ML19308D655
| ML19308D655 | |
| Person / Time | |
|---|---|
| Site: | Crystal River, 05000303  |
| Issue date: | 08/28/1970 |
| From: | FLORIDA POWER CORP. |
| To: | |
| Shared Package | |
| ML19308D656 | List: |
| References | |
| NUDOCS 8003120705 | |
| Download: ML19308D655 (80) | |
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- x TABLE OF CONTENTS I Summary 3-2 Test Discription- 3 -3 Test. Purpose 3-3 Test Procedure 3 -3 Conclusions 3-5
-. II Test Series FPC-1, long-term Dynamic tests 3-6 (A) Test Description 3 -7 (B) Test Results 3-13
'III Test Series'FPC-2, Short-term Dynamic Tests 3-16
< (A) Test Description 3-17
'( D) Test.Results 3 -7.3 IV Test Series FPC-10, Tendon Tensile Tests 3-26 (A) Test Description 3-27 (B) Test Results 3-31 V Test Series FPC-ll, Button-Head Tests 3-36
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(A) Test. Description 3-37 (B) Test Results 3-45 VI Appendix C 3-53 4% l l
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<f -TEST DESCRIPTION:
-~ v The test program on 1170 ton Prescon tendons was broken up into three (3) parts:
Part'I: Tests on Dead End Anchorage Part II: Tests on Stressing End Anchorage Part III: Tendon Performance Part III: Tendon Performance The'following properties were investigated and are reported herein:
- 1. Series FPC-1:
Long-term Dynamic tests
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Tendon behavior under dynamic ' 3ading with average amplitude and long duration.
- 2. Series FPC-2:
Short-term Dynamic tests
~
Tendon behavior under dynamic loading with
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large amplitude and short duration.
- 3. Series FPC-lO:
Tendon tensile tests Determination of tendon ultimate capacity and corresponding elongation.
- 4. Series FPC-ll:
Button-head tests Determination of button-head parameters and - proper anchoring configuration. TEST PURPOSE: The purpose of this series was to show that the tendons which will be used in the Crystal River Unit #3 Reactor Containment Building perform adequately under static as well.as dynamic loading. t ~ TEST PROCELURE: All the tendons and samples tested were 7mm diameter l low-relaxation prestressing wire according to ASTM
.- A421-65 with the following minimum physical properties:
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192,000 psi Minimum' elongation in 10 ins. 4.0 % The_ entire test program was run in duplicate for wire
.from two different suppliers, namely:
aw Richard Johnson and Nephew Limited - Ambergate, England Shinko Wire, Company, Ltd. - Amagasaki, Japan A. series (FPC-ll) of wire samples with variable button-head parameters was tested in a tensile testing mach-ine. Prior to testing, the two button-heads on each . sample were identified and recorded in regard to their parameters. The specimens weco loaded up to failure, recor6_.tg breaking load and elongation and location of failure. The' findings were used to establish proper limits for the button-head parameters and show the re-liability of the anchoring method. s In the dynamic tests (FPC-1, FPC-2) repreaentative ten-dons containing approximately 10% of the wires of an actual tendon, were subjected to either an average load amplitude _for.several hundred thousand load changes _ or to a relatively large amplitude for a small number of cycles. The anchorage properties for each tendon
.were recorded both prior to and after testing.
Tendon tensile tests (FPC-10) were run to demonstrate the satisfactory behavior of a full size tendon under static loading and to show the mode of fe.ilure. One .. tendon of each wire type was tested under actual job conditions: 'one end having a shop-installed washer _ and the other end field-button-headed. A transition cone'and extension pipe were built into the test block u. to-represent-actual. conditions. The tendons were stress- gs\ ed to their ultimate capacity, recording pressure gauge reading -and elongations.- 3 J --- ~ , ,n - _ ,-
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Both wire types behaved satisfactorily _under dynamic loading and in the button-head tests. The Shinko wire fulfilled the acceptance criteria set for the tendon tensile test. The Johnson wire tendon developed 96.7% of^the required capacity.- For dis-cussion on the Johnson wire test results refer to tendon tensile test FPC-10.2. Part I and II document that both wire types behave satisfactorily at low temperatures. b e-99 se W dB
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TEST PURPOSE: To demonstrate that the tendon will perform satisfactorily under dynamic loading with average amplitude and long duration. ACCEPTANCE CRITERIA:
. There shall be no failure in wires or button-heads when subjected to 500,000 cycles from 60% to 66% of the minimum guaranteed ultimate strength.
TEST FACILITY: Fatigue Testing Machine at the Structural Fatigue Research Laboratory Balcones Research Center, The University of
. Texas, Austin, Texas.
TEST ARRANGEMENT: Test tendons consisting of 17 wires substituted for the actual 163 wire tendons. The loading ram was suspended
.. from a pair of heavy I beams. The tendons, tested in vertical position, beared on the top flanges of these beams. The top anchorages showed the same build-up as a regular anchorage, namely: bearing plate, shims, stress-ing washer. After a trial run up to 300,000 cycles with
- the rig used in Test Series FPC-2, it was obvious that a more rigid and better controlled set-up had to be built.
The two vertical guides were replaced by stiffer profiles and connected to the floor. The swivel pin connecting the loading yoke to the supporting guide was replaced by a stronger, high strength bar. Instead of letting the tendon bear directly on the yoke, a pivot was added to h allow the tendon to remain in perfect vertical position l
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' I 3-10 Relationship between Ram Load and Tendon Load:
Tendon h Ram Pivot c 22-1/4" p Swivel __ 32-1/4" _
. Support Guide T - = Tendon Load R = Ram Load R= 1.45 R T= ,2 EQ UIPMENT:
Riehle-Los Fatigue Testing Machine consisting basically of a loading unit, a pulsator and a console unit. 4 The loading unit is a hydraulic ram with a ball bearing on either end. The pulsator regulates the flow of oil to and from the loading unit, that is, it takes oil from the cylinder circuit on the up stroke and then forces it back on the down stroke. , m W
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addition to operating controls and much 2 the electrical equipment. TENDON INSTALLATION: All ine tendons were shop fabricated. They were inserted into the test rig from the top where they were shimmed against the bearing plate. The pivot-rod was screwed into the bottom washer and se-cured against the saddle with the pin. The ram length was adjusted and the set-up, ram and tendon checked for alignment in vertical direction. ' TEST PROCEDURE: The hardness was measured on all anchor components prior to tendon a s sembling . Four (4) readings per washer and one (1) on each shim and bearing plate were recorded. All button-heads were inspected as to ~ s diameter, splits, cracks or flaws. The eccentricity was checked to be s cmaller than 0.010" on random samples during button-heading. The tendons were loaded at tha rate of 25% of the initial load per minute until the initial load was reached, which was held for at least ten minutes before the cycling was started. This initial load corresponded to the upper load limit. The machine was adjusted to the two (2) load limits . Once the machine stabilized, the cycling rate.was increased to approximately 300 cycles per minute and the counter started. The running time per test was 27 - 28 hours for 500,000 cycles, during which the rate of cycling was checked several times with a stop watch and found to be consistent. ' The load limits were set as follows: 1 d
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Upper Limit: 69.5% of ram capacity Tendon Load = 0.695 160 1.45 = 161. 2 kips corresponding to 66.2% of the tendon's guaranteed
.. ultimate load.
Lower Limit: 63% of ram capacity Tendon Load = 0.63 160 1.45 = 146.2 kips corresponding to 60.1% of the tendon's guaranteed ultimate load. 4s After testing, all the wires and button-heads were inspected as to any change that might have occurred during the test. TENDON PARAMETERS:
~
Tes t No. Wire Type Cutting Length Washer: Brinell- Button-Head (inches) Hardness Range Dia . Range FPC-1.1 Johnson 85 193/215 0.424 - 0.438 FPC-1.2 Shinko 85 197/195 0.423 - 0.435 FP C- 1. 3 Johnson 85 197/197 0.425 - 0.438 FPC- 1. 4 Shinko 85 206/197 0.437 - 0.450
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s N -- Test No. Total Rate of Cycling FPC-1.1 '500200 310 ' FPC-1. 2 516500 310 FPC-1. 3 504080 300-FPC-1.4 889020 290 The'e was'na wire or button-head failure in any one of the tests. The button-head inspection didn't show
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any noticeable change in the button-head configuration as a result of the test. CONCLUSIONS: The tendons performed satisfactorily. There is no ,, doubt that the tendons are capable of enduring a much . .s - higher number of stress changes than the specified , 500,000 cycles. bh W
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TEST PURPOSE: f~ To demonstrate that the tendon will perform satisfactorily under dynamic loading with large amplitude but short duration. ACCEPTANCE CRITERIA:
, There shall be no failure in wires or button-heads when subjected to a minimum of 50 cycles to the following per-2000
_ centages of the minimum guaranteed strength of 60 i L+100 TEST FACILITY: Fatigue Testing Machine at the Structural Fatigue Research Laboratory, Balcones Research Center, The University of Texas, Austin, Texas. TEST ARRANGEMENT: The test tendons substituting for the actual tendons consisted of 17 - 7mm diameter wires. The tendons were tested in vertical position. The top anchorages bearing on the top flanges of a pair of heavy I beams showed the same build up as a regular anchorage namely: bearing plate, shims, stressing washer. At the bottom the shims beared directly on the loading yoke. This joke had a swivel 1 connection.to the supporting column on one side and was ( guided on the other side to allow free vertical movement but to prevent any lateral misalignment. 1 4h ' W l j
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Swivel 32" _
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Support Guide T = Tendon Load R = Ram Load T = 32 21 R = 1. 524 R 50UIPMENT: Riehle-Los Fatigue Testing Machine as used for test series FPC-1. Maximum static capacity - 160 tons. TENDON INSTALLAT7ON: , l The tendone were partially shop fabricated with one end l anchor attached. They were inserted into the test r.ig i frot the top and field button-headed on the lower end. 4 w l
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3-21 The bottom anchor was shimed off against the yoke and the ram length adjusted. The set-up, ram and tendon, was checked for alignment in vertical direction.
~
TEST PROCLTIORE: The hardness on all anchor components was measured prior _ to tendon assembling. Four readings per washer and one ' reading on each shim and bearing plate were recorded. All _ button-heads were inspected and documented as to diameter, . splits, cracks, or flaws. The eccentricity was checked to ,_ be smaller than 0.010" en random samples during button-heading. The tendons were locied at the rate of 25% of the initial - load per minute until >e initial load was reached, which s. was held for at least ten minutes before the cycling was - started. This initial load corresponded to the upper load limit. The starting time, from first cycle until the machine was adjusted to the two preset load limits, varied from test to test. Once the machine stabilized on these two ' listits , the cycling rate was increased to approximately 100 cycles per minute (adjusting period) . The rate of
~
cycling ww: then checked with a stop watch during two 1 minute periods for each tendon test. The number of
^
cycles was read.at the built-in automatic counter. The load limits were set as follows: " Upper Limit: 72.5% of ram capacity - Tendon Load = 0.725-160 1.524=176.8 kips corresponding to 72.6% of the-tendon's , guaranteed ultimate load. u,
)
Lower Limit: 49.5% of ram capacity " Tendon Load = 0.495 160 1.524=120.7 kips i J ~
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corresponding to 49.6% of the tendon's guaranteed ultimate load which is in excess of the stress levels required by
~
2000 f 60 t L+100 = 170; 121 kips using L = 100 feet for the length of the shortest tendon in the structure. After testing all the wires and button-heads were inspected as to any change that might have occurred during the test.
~ TENDON PARAMETERS:
- Te s t. No . Wire Type Cutting Length Washer: Brinell-- Button-Head (inches) Hardness Range Dia. Range FPC-2.1 Shinko 96 197/215 0.432-0.453 FPC -2 . 2 shinko 96 197/211 0.439-0.452
., FPC -2 . 3 Johnson 96 197/202 0.430-0.453 s FP C -2 . 4 Johnson 96 192/193 0.440-0.453 h=W
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3-25 Test No. N N- Rate of Cycling _ Check 1 Check 2 FPC-2.1 1210 460 100 100 - FPC-2 . 2 820 390 60 140 FP C-2 . 3 610 410 80 120 - FPC-2 .4 470 27L 120 130 There was no wire or button-head failure in any one of the tests. The button-head inspection didn' t show any noticeable change in the button-head configuration as a result of the test. l CONCLUSIONS: # The tendons performed satisfactorily. Even though the magnitude of the stress-amplitude is relatively high there is no doubt, that the tendons are capable of en- _ during a much higher number of stress changes than the specified 50 cycles. l l J
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M IV TEST SERIES FPC-10 TENDON TENSILE TESTS s a
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' ' ' 3-28 TEST PURPOSE:
'ro determine the ultimate capacity and corresponding elongation of the tendon.
ACCEPTANCE CRITERIA:- The first wire break shall occur at an average wire stress equal to or higher than 240,000 psi. The tendon's ulti-mate capacity shall exceed 2334 kips and the correspond-ing elongation has to be equal to or greater than 2.5%. TEST ARRANGEMENT: The test arrangement consisted of the following components:
- 1. Three (3) - concrete blocks 48" x 48", total length 9'6".
~
- 2. Test Anchoring Block 48" x 48" x 48" with bearing plate, trumpet, transition cone and extension pipe.
- 3. -Ram base plate.
4.- Stressing unit, ram with pull rod and stressing
.' nut, and pressure gauge.
1
- 5. Pumping unit.
- 6. 163-wire (7mm 5) test tendon with stressing end anchorage on the' anchoring block and an externally :
threaded anchor head on the other end.
- 7. Transit.to measure tendon elongation.
EQUIPMENT: s
- 1. Rgg1 Two-way acting hydraulic ram with center hole.
Capacity: Approximately 1200 tons at 10,000 psi hydraulic pressure. Effective ram area: 243.7 sq. in. Travel: 18 inches Pressure gauge: Dial range 10,000 psi 4 Accuracy. of Pressure Readings f; 25 psi / 2., Pump: High pressure hydraulic pump, maximum working pressure 10,000 psi [~ 3. Scale Bar: Attached to the pullrod to measure the-tendon elongation. , I Accuracy of elongation readings f; 0.01" j i
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~l 3-29 1 TENDON INSTALLATION:
An anchoring block from a previous test was used. A transition cone was welded to the inside of the trumpet at a distance of 24" from the backside of the bearing pla te . A 5'5/8" I.D. extension pipe was welded to the back end of the transition cone and the space between l pipe, cone, and trumpet was filled with high strength concrete. The wires were button-headed on one end and threaded through the first washer, anchoring block -4 and the second washer and then field-button-headed. . The anchoring block-was then moved in place and the tendon pulled through the test stand. The anchoring end was shimmed with a series of stacked shims with a total length of 13 1/4" and the other end coupled to the' pull rod. TEST PROCEDURE: s The tendon was stressed in stages. The load stages were set at pressure readings mentioned .on pages C- 23 through C- 2A For each stage, gauge pressure and elongation were read and recorded. Test FPC-10.1 ._ (Shinko wire) was concluded, when the ram's capacity was reached without breaking any ' ires. Test FPC-10.2 (Johnson wire) was terminated when it was apparent that elongation was reached without increasing the load. The tendon capacity was defined as the load corresponding to the highest pressure reading reached. The resulta . were plotted in force-strain curves.
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Test No. FPC-10.1 no wire breaks - FPC-10.2 L = G'-O 1/2" L2 = 4 ' -5 " L ~ " 3" L = l!'-2" 4 L c = 2 ' -E " J L '~ !" ~~ l 6" W v I
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_. _ .m . m 4 LS' 3. 3-34 Y CONCLUSIONS: TEST FPC-10.1:
~
Due to the limited capacity of the ram, it was not ! possible to. fail the tendon. The tendon capacity i proved to.be greater than the maximum load of l 2364~ kips at which the elongation amounted to 2.66% j
.or.more.than the required:2.5% at ultimate. The tendon behaved' satisfactorily.
TEST FPC-10.2 : i: The 'first wire break occurred at an average wire stress
, of.231,000 psi. The tendon capacity was determined -
- . to be.2257.6 kips and-the correspondent elongation 4
to 2.96%. L All six breaks were located in the free length of the
~
. wire-(compare failure locations, page 33) , neither in the-anchorage zone nor in the region where the tran-
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sition cone touched the wire. During the button-head tests (FPC-11) 5 wire breaks in f -113 fell below the minimum requirement of 240,000 psi. The' mill certificates for this shipment of wire indicated strengths.in excess of 240,000 psi with the lowest test result of-240,800 psi. It abould be noted that neither
,, the wire used in the button-head' tests (FPC-ll) nor the
-wire used in the-tendon tensile test (FPC-10.2) could be
. _ . directly related to a specific test number in the mill certificate. The-two series of tests were intended to j , cdevelop. representative information for the typical wire
-properties.- The' apparent. discrepancy of the mill certi-
_ .ficate test results-compared with the tendon tensile test , and button-head tests-cannot be. fully resolved on the in-l- w l : _. formation available from these tests. , l. l-i a y .. ~ -, -
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However, the wire. tested indicated ~some degree of .~ corrosion. The severity of corrosion was such that . the wire would' have been rejected for use in this . nuclear' containment' structure. The' corrosion that had occurred on the wire was pri- ~ marily-due to inadequate protection for shipping and
~
the long. storage time before usage in the test program.
- The corroded wire was included in the two tests _
;FPC-10.2 and FPC-ll as construction schedule commit- .
- ments made it impossible to order further material.
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M e en I i V TEST SERIES FPC-ll BUTTON-HEAD TESTS I l 4 l l r - l l h o ,,..
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/ INTRODUCTION:
I ~In a button-head anchorage, there are seven (7) charac-teristics which might have an influence on the wire's performance, namely:
- 1. Anchor Hardness
[ 2. Drillhole Diameter
- 3. Drillhole Shape
- 4. Button-Head Shape
- 5. Button-Head Diameter
- 6. Button-Head. Eccentricity
- 7. Splits or Cracks in Button-Head
- 1. Anchor Haroness:
The washer material has a Brinell Hardness range of 200 to about 260.
- 2. Drillhole Diameter:
The tendon washers are drilled with a "L"-drill, which means a drillhole diameter of 0.290" (+0. 010 " -0.003"). Prior to this test series on 7mm wire, tests conducted
, on 1/4" diameter wire showed no measurable influence of the drillhole diameter on the button-head perform-ance, as long as it varied within reasonable limits.
{ Graph I shows the test results on samples with variable drillhole diameter and a critical button-head configuration, that is, a range of diameter and eccen-tricity where the wire Nveloped "near button-head breaks".
- 3. Drillhole Shape:
_, Prescon uses a straight drillhole based on the experi-ence that the button-head seats itself in the relatively _ soft material, thereby eliminating tha necessity of counter-sinking the hole. Most of the samples in _ graph I had a straight drillhole. The symbols marked (B) represent samples.with counter-sunk holes.
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i 240 - - - - - Elongation (%) l I i l l l l l 2 3 4 5 6 7 8 t oavc e A Y p Average (28 Samples) (51 Samples) l Tensile Strength 249,800 ci 252,400 psi Elongation
)
6.1% 4.6% v 3 (see next page for symbols) I J _.m , _ _ . . . . _
~
3-40
'~ Symbols used in the graph:
Drillhole diameter Break within 1/2" Break of Button-Head In Free Wire F= 0.257" e O 17/64 = 0.266" A A I= 0.272" y V J= 0.277" E O 9 4
=4 m
Aa-W e
- l' r
~
3-41
- 4. Button-Head Shape: 3 /
Prescon uses for 7mm diameter wires a spherical button-head with a' bearing shoulder. Button-Head Diameter:
- 5. (See comment under item 6)
- 6. Buttoa-Head Eccentricity:
These two are the most critical parameters in regard to the button-head's performance. Even so, there is generally a relatively wide range for diameter as well as for eccentricity which allows the button-head to develop the full actual strength of the wire.
- 7. Splits and Cracks in Button-Heads:
Splits and cracks in button-heads are dependent on the wire material. Harder wire tends to split easier than the softer, more ductile wire. The incidence of cracks can not be controlled. Button-heads which do not have the correct configuration might not develop the actual ultimate strength or elongation of ~ the basic wire. Unsatisfactory button-heads show two charac-teristic but distinctive types of failure: Button-head failure, generally a brittle fracture in the head caused by defects. Near button-head failure, a ductile fracture close to the button-head often caused by eccentric bearing on the washer. Whereas " button-head failures" often occur at low breaking [ load and small elongation, the "near button-head failures" generally show sufficient strength but do not reach the l l actual elongation of the wire. Both failure types are i-
- premature and can be controlled by correcting the button-
~
head configuration. A correct button-hwad will develop the actual physical pro- -
.w _/
.perties of the basic wire and the wire will therefore fail at any location along its axis. The failure can be close to 1
m.. . . _ _ _ _ . . , _ _ _ . . _ . _ ,
-.- t-3-42 l
(~ the , button-head without being termed a "near button-head failure", ~ as long as the strength and elongation at failure are sufficient and as long as.the failure location is not repeatable. PURPOSE: To establish the proper button-head configuration. ACCEPTANCE CRITERIA: The button-head should develop the minimum guaranteed strength of the wire. The proper button-head configuration is the one which does not show any predetermined failure location along the wire's axis. The failure location is not repeatable. PROCEDURE: The samples were tested on a tensile testing machine at Trinity Testing Laboratories. Prior to testing, the two button-heads on each sample are identified and recorded in regard to diameter, eccentricity, and cracks. The samples were loaded to failure with a constant rate. A dial indicator which measured the elongation was zeroed at a force reading of 1000 pounds and was read at failure. The tested samples were labeled and stored. The test series was run for both types of wire by varying the ., button-head size, eccentricity and anchor hardness. SAMPLE PROPERTIES: ] Wire Diameter: 0.276" 1,0.002" Drillhole Diameter: 0.290" (+0,010" -0. 0 03 ") Drillhole Shape: straight Anchor Brinell Hardness: Johnson Wire Shinko Wire
'- Range I A260 h260
~ Range II <200 Range III 200 - 220
%. . ,,1 , % ;-, . . . - . . ~ . - . . - -----s - - - ---,---. - . - - - - - - - -
.~ . .
*~
3-42 Sample Length: Measured from bearing surface to bearing surface. C 3
& $ =
Button-Head Diameter: - Thu button-heads were measured with a micrometer. The recorded diameter is the maximum diameter. ~ Accuracy 1,0.001" Button-Head Eccentricity: The eccentricity was measured with a dial' indicator specially set up, so that it indicates any deviation -~ from the wire axis. / Accuracy +0.001" Cracks: Cracks and Splits were measured using an optical
~
comparator.. Accuracy: Crack length and width 1,0.005" Angle +5 The total number of cracks per button-head was re-
- corded. Crack length, width and angle refer to the
~~
worst. crack per head. Test-Readings:
~
t The force reading - recorded is the ' maximum reached machine reading. Accuracy 1,25 lbs. The elongation reading corresponds to the sample
- j. elongation between a load reading of 1000 lbs. and failure. It-was read at the' time of failure on a
)
I dial indicator zerced at 1000 lbs. '
~
- Accuracy 1,0_. 005 "-
M W< =-.uw+o' % g. m qq . y ,p . _7 3g ._, _
-._-_.w=. -;.=--
- - - - . =
i r 4 -( .
.i .~ 3-44 n
Sample Strength: The actual' ultimate tensile strength of the test sample is determined accord-ing to the maximum gauge reading on the Tinius Olsen Testing Machine. Elongation: The elongation is read on a dial indicator mounted on the testing machine. The in-dicator is read at the moment the wire failure occurs. Failure Location: The tested samples will be grouped according to the location of the failure
~
along the sample length. Group A B C e .. N sr Free Length Near Head In Head 4 4 1 e.m W
+w.=4mm-,.ve= $s=- e e.ee,+. .ew-*-m94 f . -e.- . < . . . .
O. 8 TI h . e" 7 b e-%e b w .
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- . 4.. Ihe v.4p..',h _ >
k 3-45 N e 8e. (B) TEST RESULTS 4 i i l l W WW ) l c I
n Summary of R77ults: 3-46 e
-.- Tested Button-Head Range Shinko Johnson l
Anchor-Hardness
.. 2 260 200-220 <200 2260 l Minimum Diameter 0.388 0.408 0.398 0.386 1 ~
Maximum Diameter 0.452 0.443 0.449 0.470 l Minimum Eccentricity 0 0.008 0.008 0.001 Maximum Eccentricity 0.032 0.022 0.0225 0.027 SHINKO WIRE Hardness Range Total Near Free Samples Button-Head Wire Failures Failures
>260 106 1 105 200-220 13 1 12
< 200 26 17 9 Average Strength (psi) 267,250 265,530 Minimum Strength (psi) 265,700 260,700 Maximum Strength (psi) 269,900 271,600 Average Elongation (%) 6.72 7.05 approx. gage Minimum Elongation (%) 5.71 6.28 length
~~
Maximum Elongation (%) 7.84 7.78 15.5"-16.5" JOHNSON WIRE Hardness Range Total Near Free Samples Button-Head Wire Failures Failures
>260 113 3 110 Average Strength (psi) 246,390 Minimum Strength (psi) 238,100 ~
Maximum Strength (psi) 254,000 Average Elongation (%) 5.45 approx. gage Minimum Elongation (%) 4.51 length Maximum Elongation (%) 6.25 15.5"-16.5" ume
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3-51 Graphs II ano III show the tested range of button-head Jiameter and eccentricity for the respecitve wire type. Strength-and elongation of all tested samples are plotted in graph IV. All samples with an anchor hardness greater than 200 Brinell
- performed satisfactorily. The total of five breaks close to -
the button-head can be termed " wire failures' as they don't exhibit any reduction in strength nor elongation and show no - reproduceability. The samples with an anchor hardness of less than 200 Brinell show a definice trend to develop "near ~ button-head failures", with satisfactory strength but some of them with a slightly reduced elongation. crack length, width and angle for all button-heads on samples with " wire
. failures"~are plotted in graph V. The tests covered a wide s range of crack dimensionc. All those cracks shown on the #
graph did definitely not have any influence on the button-head's performance. None of the "near button-head failures" showed any relationship between crack size or location and failure type. " CONCLUSION: For an anchor hardness range 200-320 Brinell, the test-
;
ed button-heads developed the strength and elongation { at failure of the basic wire. The failure location is not repeatable. Cracks in a but. ton-head did not have l any bearing on its performance. 1 l The following button-head limitations will be used in - tendon fabrication: Anchor Hardness 200-320 Brinell ~ hl i MO y; y wmm..m .*~.-ww. mw- + +-n--' .s~~'-**+=*m ;.w- ~a ~qm
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. Eccentricity ~ e1 0.015"
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3-53 d' N a tw ao em V APPENDIX C W W 4 m4 e6 e 1 es esG
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,.;
7 e TABLE OF~ CONTENTS , ' C-I Wire Certificates , C-2 C-II Dynamic Tests C-7 C-III Tendon Tensile Tests C-14 C-IV . Button-Head Tests C-25 4 4 I v' . 4
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C-3 SHINICO WIRE COMPANY, LTD. yo. ou. - a-oo.cuo. m asm. 4 ~ Mar. 24, 1969 TEST RESULTS p.,, No. TS 44-10 _. Name of Commodity i Uncoated Stress-Relieved Wire for Prestressed Concrete Type & Grade : Low Relaxation Quality Specification Client's requirement & ASTM A421-65
- 1. Dimensions Results Item Unit Specification g ; m Diameter and Tolerance in. =aume= 0.276 i 0.002 0.276 0.277 Inside Diameter in. mm - - -
Outside Diameter in. mm - - -
- 2. Physical Properties
. . Results item Unit Specification
.s, 1'iOOOpsi Tensile strength w min. 240 254.8 258.1
. n. _t .. ._. .. n 9 y g field Strength (> 1.0) 1,000 psi min. 192 232 238 Elongation in 10 inch ?6 min. 4.0 7.1 8.1 Cending (Radius ) times - - -
Reduction of area ?6 now. 0.0598 0.0598 0.061 1 Relex. afterMour 96 - 1.00 Relax.after 40 years % max. 3.5 *2.00 Notet
- Measured up to 1,000 hours and extrapolated to 40 years.
- 3. Material
_ Chemical Composition (?6) Spec. C Mn Si P S l l l l lient No. ,0.72-0.93 0.40-1,10 0.10-0.35 I max 0.040 ma" 0.050 _ V 4333 0.85 0.80 0.26 0.022 0.016
- 4. Finish Indentation :
is is 10 $tridg that the above particulars are correct retstatssis containt instner P(I
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J~/L
--r Chief of Technical Section H. Tsubono
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C-4 N RICH ARD JOHNSON & NEPHEW LIMITED v a 2ngantzzg3 vigsn AMBERGATE CERTIFICATE OF TESTS No. 460 L. l HIGH TENSILE WIRE SPECIALLY. PRODUCED FOR "PRESTRE55ED" CONCRETE WORK 2 The Prescon Corporation, 3 Mosers. Corpua Christi State National Building Y Order *No. - Date 11 3.69. t: g Box Co 2723,Christi' osaa 78403 U.S.A. RJN Order No. 85095 ~'"::: - Wh DWm. Typ. Sp.casados Cod Dhn, g ---7; To ASTM A. 421 Type B.A. MARK Ne6 ----'
.276" Plain B.S. 240,000 p.s.i. !!IN. 8ft. 58/179 i :~
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'** n.s.i. l%- 1% j 6/1822 .2-76 14000 247520 220640 224000 Graph No. 2007 :: --
.276 15000 250880 232288 -
6/1821 .276 14800 247520 225568
.276 14900 249312 228928 w -
6/1810 .276 14000 247520 228032
.276 14500 242368 222208 -
6/1813 .276 15450 258272 230496 235648 ----
.276 15250 254912 229824 :::;
6/1816 .276 15000 264320 244160 *
;;;
.276 14800 247520 227360 ----
6/1823 .276 15000 250800 229824 *
.276 14700 245728 224000
- 6/1819 276 15450 258272 233856 ----
.276 15300 255808 235648 :::-
6/1820 276 15250 254912 233856 *
.276 14950 249904 229824 ---- ^
6/1818 .276 14900 249312 227360 -
.276 15250 254912 233184 :::: /
6/1811 .276 15300 255808 237440
- 276 14950 249984 228928 :::~
6/1814 276 15300 255808 238336 -
- 'sP1
.276 1515C 253244 235648 -
6/1815 276 14900 249312 228032 *
- 4*
.276 14800 247520 227360 :$
6/1812 276 14550 243264 222208 - - 276 14400 240800 219072 : t 6/1817 .276 15000 250880 228032 -
- I'
.276 14650 244832 225568 -
if
- 2_
3 tress / strain 6 gram enslosed is triplisate. - Elongation on 10" Gauge Length, mot less than 4.Of. at Rupture. {:, Heat 30 58/179 c h i '=1 ca=eaitian i- Carbon .81 2"E ! Silicon .205 - :::7 Bulphur .045 :::: Phosphorus .015 ' +-- - Manganess .60 t-- Z j ____ Each cod labened with a tin The above wire was sent to > Huskisson Dock, Liverpool. ::" tally brenns Test No. and the -- For shipnent per o.s. /UCYTHIA. Cert:6cate No. 460 L. ]
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We certify that the wire covered by this certa 6cate ( 14 Coils 3 T. 3 :::- _ tested as above and conforms to the requirements of your speci6 cation. (7,1 cwts Pounde p )grig Ibs) has been --: : Signedfor and os behalf of RlWOHN N) NEPHEW LTD. ::::
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CONSULTING ENGINEER 20o2 SCENIC Det!VE AUSTIN TEXAS 78703 sta oL 4-teos May 18, 1970 The Prescon Corporation P.O. Box 1+087 Corpus Christi, Texas 78708 Atta Mr. Glenn T. Johnson Dear Mr. .Tohnson Attached is a report entitled " Report On Dynamic Tests FPC1 and FPC2 " dated May 15, 1970. This roport covers tho fatiguo test results of eight specimens FPC2. Test serios FPC1 vore, long four each term for FPC1 tests and test while serios FPC2 uoro short term dynamic tests. The test setup for both series is described in the report together with the proceduro used. The results are prosonted in a tabular form giving the cyclos for cach specimon. The requirements for FPC1 specimens were 500,000 cyclos from a minimum load of 146.2 to a maximum load of 161.2 kips.. You will notice that all specimons sustained the required cycles. Wo have run the fourth spe-cimen to 889,020 cyclos. Those tondons showed no f ailures anywhere and there is no doubt that they could enduro the stress rango into millions of cyclos. The roquiromonts for FPC2 ucre pulsation from a minimum load of 119 5 to a maximum load of 170 7 kips.- The specimens performod well and no failuro was observed anywhero in any of the tests. Actually those tendons can endure at this range of loading higher number of cycles than the prescribed 50 cyclos. . g
.. Very truly yours, A..A Tof ac egd
r . - C-9 E I i D.
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Bearing Plate Shims Washer L- W S D K N M D E T D D 3 4 1 2 11" 6" la 4.29" 6" 3" 1" 33/8" 4" 1 7/8"4" l 3/4" F.'a teria l: C1045 H. R. - ANCHOR COMPONENTS
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- O' C-10 WASHER HARDNESS
- - a , b, c, d = Readings ab cd n Clark Standard g' gg hardness tester Rockwell B Scale ~
d Equiva-Washer Rockwell B Readings lent on No. Average Brinell a b c d Scale FPC-1. lA 93 95 92 96 94 193 FPC-1.lB 99 97 95 97 97 215 FPC-1. 2 A 94.5 93 97.5 95 95 197 FPC-1. 2 B 96 96 92 94 94.5 197 FPC-1.3A 95 94.5 95 95 95 197 FPC-1. 3 B 97.5 93 94 94.5 95 197 FPC-1. 4A 96 94 95 100 96 206 FPC-1. 4 B 98 90 98 94 95 197 i Hardness Range g HARDNESS OF NIMS AND BEARING PLATES , as measured on a PHL Detroit testing machine (Brinell Scale) Test Number FPC-1.1 FP C-1. 2 FPC-1. 3 FPC-1. 4 Shim A 187 187 187 187 Shim B 179 187 187 179
. Bearing Plate 207 187 187 197 e
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hardness tester j Rockwell B scale a ! Equ iva - Washer 'Rockwell B Readings . Lent on - No. ^Vera9e Brinell a b c d Scale F PC -2 .' lA 94.5 93 94 97.5 95 197 . FPC-2 . lB 99 95 97 97 97 215 FPC-2 . 2A 95 94 98 94 95 197 FPC-2 . 2 B 94.5 98 95 97 96.5 211 FPC -2 . 3 A 93.5 97.5 93 96.5 95 197 FPC-2 . 3 B 95 98 95 94 95.5 202 FPC-2. 4A 94 94 92 94 93.5 192 ., FPC-2 . 4 B 93 92.5 97.5 94 94 193 Max. 99 230 Hardness Range Min. 92 183 Hardness of Shims and Bearing Plates as measured on a PHL Detroit testing machine (Brinell Scale) Test Number FPC-2.1 FPC-2 . 2 FPC-2.3 FPC-2.4 I Shim A 187 187 187 197 Shim B 187 197 197 183 Bearing Plate 197 217 197 217 ,] tum.
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C-12 Test FPC-1.1 Test FPC-1.2 Top Anchor Bottom Anchor Top Anchor Bottom Anchor No. Splits No. Splits No. Splits
- E *
.41 B.H. B.H. B.H. B.F.
No. Dia. L M S Dia. L M S Dia L M S Dia. L M S 1 428 430 428 427 2 432 1 425 428 426 3 425 436 1 427 427 4 428 438 428 434 5 435 1 435 430 433 6 433 435 426 426 7 434 429 427 432 8 424 1 436 1 428 435 9 436 430 1 433 424 10 429 428 1 428 435
~
11 432 424 426 _ 430 12 428 428 1 ,333 430 13 435 1 435 1 425 424 14 436 1 433 428 435 15 430 437 2 427 426 16 436 1 1 427 429 423
- 17. 436 433 2 427 423 Test FPC-1.3 Test FPC-1.4 1 425 426 1 440 2 442 2 430 426 440 1 440 3 438 431 446 440 4 425 425 438 440 5 425 425 442 1 451 1 6 428 1 427 441 1 444 1 7 425 433 437 449
. 8 431 1 430 443 2 440 9 428 1 431 439 1 440 10 434 432 450 1 441 11 427 435 448 441 12 426 1 433 448 441 13 433 429 1 442 2 446 1 14 435 430 437 439 15 430 435 441 1 441 16 430 430 442 440 17 429 1 435 438 441 BUTTON-HEAD PROPERTIES B.H. Dia.: 428=0.428"
- Splits L: Large M: Medium S: Small
...- ., n. ~- .,~ - --.- -- -..- - . --
Cl3 Test FPC-2.1 Test FPC-2.2 Top Anchor Bottom Anchor Top Anchor Bottom Anchor
]
Wire' B.H. No. Splits B.H. No. Splits B.H. No. Split $ B.H. No. Split $ D. Dia. L M S Dia. L M S Dia. Dia. L M S L M S 1 447 440 445 _ 452 2 439 439 445 453 3 439 441 439 451 4 447 452 1 440 445 1 5 440 441 443 448 6 453 447 444 440 7 439 438 440 453 8 1447 449 444 440 9 445 439 440 447 10 432 450 447 440 1 - 11 437 439 443 450 12 445 438 441 450 13 453 438 440 447 14 453 442 439 439 15 445 439 439 451 1 16 449 448 1 439 449 17 440 445 447 451 Test FPC-2.3 Test FPC-2.4 j 1 450 444 1 452 1 442 1 2 l453 1 444 1 453 443 3 i 449 1 443 447 1 441 1 4 !447 1 2 443 452 447 5 l 453 1 447 1 453 445 6 444 l 443 1 451 446 7 452 l 435 451 449 8 452 1 443 1 449 1 443 9 440 1 443 453 1 441 1 10 447 430 452 1 2 443 11 450 1 429 440 442 1 _ 12 447 444 450 1 1 445 1 13 453 1 1 440 452 1 442 14 448 440 452 2 442 1 - 15 448 444 451 1 1 446 16 445 1 444 453 441 17 447 446 453 1 440 -' BUTTONdIEAD PROPERTIES
)
V ' O.H. Dia.: 428=0.428"
- Splits L: Large ;
M: Medium j , S: Small
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EARLE M. JORGENSEN CO. STEEL CERTIFIED TEST REPORT l THE PRESCON CORPORATION P O BOX 4087 CORPUS CHRISTI TEXAS 78408 ATTN Mt BUDDY FIELDS v0UR ORDER OUR INVOICE eATE 3/25/70 NuusER 3752 NuweER 97576 H DESCRIPTION & SPECIFICATIONS QUANTITv S SIZE 1 BETHLEHEM 1042 PRESSED HR 1 PC 10-3/4"ROUN7 CITT O'6" (6")
- BETHLEHEM 1042 PRESSED HR 1 PC 11-1/2" ROUND C11T O'6" (6")
3 CHEMICAL ANALYSIS ,,, AuS 230: H E AT NO. C MN PHOS SUL SIL Ni CR CU MO CO F S i 647 X 013 .45 .71 006 .024 FINS a 322 Z 429 .46 .80 .012 .022 .20 FINE 3 MECHANICAL PROPERTIES viELD TENSILE ELONG. ' RED. OF ROCK. E g M M
! M ARDEN ABILITv THOUSAND STR E NGTH % IN AREA eniestLL WELL E y h [ C THOUSAND N , a p ,
LDS/SQ IN Leg /go. gN lN. % D O O e i 647 1 013 54,000 95,000 20.07, 35.7% a 322 Z 429 57s000 1 00s000 15.07, 22.0% e We hereby certify that the motorial covered by this report hos been inspected in occareente with, and hos been fevnd to meet, the requirements described herein, including any specificefiens forming a port of the description, and test results are on file subject to enemination. susscRinED AND SWORN TO BEFORE ME l p p
". 25m oxy Or MARCH i o.10-- EAR . JORGENSEN CO.
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RELATIONSHIP BETWEEN / _. PRESSURE READING AND TENDON FORCE
- The product of ram area times pressure reading does not necessarily ex- '
press the true force as transmitted to the tendon. There is some friction and inaccuracy in the stressing equipment which cause a (usually small) difference between these two values. By calibrating with a load cell, the true pull rod force can be measured and the difference determined
}
and token into account. R = Pressure Reading (lbs/sq. in.) A = Ram Area - 243. 7 sq. in. K = Correction Factor
~
T = True Tendon Force (lbs.) J L,L'L' 1 2 3 4
= L ad Cell Readings for Different Loading Cycles ,
. L,
= Average Load Cell Reading C = Load Cell Correction -
F = Load Cell Scale Factor - 15.0 T= (La + C) F K = T/ R A
- Load cell test on stressing equipment, August 12, 1969.
- s. , ,
J
C-17 TRANSDUCERS, INC. 11971 E. RiveraRoad
.. Santa Fe Springs, California 90670 CALIBRATION DATA Instrument: M DX - 10 Calibration Setting: 98,836 Serial No. : 157 Capacity: 1,500,000 Pounds Force Transducers: PCL 1. SM# Scale Factor: 15.0 Pounds Forcetount Serial No. : 4387 Temperature: 75* F Bridge: Sincle Date: 7/26/6 7 Load Compression Load Tension Load Pounds Force Instrument Reading Instrument Reading 0 0000 150,000 9,700 300.000 19,620 450.000 29.630 600.000 39.710 750.000 49.850 i
.. 900,000 60,005 l 1,050,000 I 70,185 l 1,200,000 80,370 ! 1,350,000 90,600 1,500,000 100,833 Calibration tra able t N . S. i I \\ f \ Certified by: 'h - L. OL 4 - ( Form No. : SPMC-109
TRANSDUCERS, INC. i 11971 East Rivera Road C-18 m... m c_.. m g.. g nney ___ l EMT M~nL ----~~- '
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_ -.._ _ .. _ . _ . ~ . .. ._ C . R Li La L3 L4 L, C T K a (psi) (Ibs.) (psi) 500 7240 7358 7470 7?95 7366 240 114,090 0.t 163 7 1000 14757 14526 14376 14350 14502 350 22':,780 0.9154 13 1500 22538 22385 22530 22700 22538 380 343,770 0.9404 10
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2000 30342 30422 30590 30700 30514 360 463,110 0.9502 11 2500 38726 38940 39120 39260 39012 290 589,530 0.9676 17 3000 46866 46800 47170 47030 46967 195 707,430 0.9676 7 3500 54280 55018 55480 55160 54985 80 825,975 0.9684 37 4000 62468 62974 63470 63400 63078 - 55 945,345 0.9698 31 4500 70490 70920 71300 71560 71068 -195 1,063,090 0.9694 33 5000 79080 79010 79640 79720 79363 -355 1,185,120 0.9726 20 5500 86780 87030 87510 87450 87193 -520 1,300,095 0.9700 23 6000 95266 95200 95440 95765 95418 -700 1,420,770 0.9717 17 e4 e m
._ . . 2 -. :
ay > C .- Assuming that the True Load - Pressure Reading Curve is a straight line through the whole gauge range (which is not necessarily true but proved to be real close for pressure readings from 2500 to 6,000 psi), the actual load can be calculated to: T=KRA a Average correction factor: K a
= 0.970 T = 0.970 243.7 R = 236.4 R -
~
The tendon forces as shown in the test reading tables are computed using this relationship, s
'r
~-
4 M 1 u . m > e&
. ~=
_ __ -- - . _ . , - _...._m2 ..m___ 4 '% % C-21
~
REIATIONSHIP BETWEEN OBSERVED ELONGATION AND TRUE ELONGATION The measured alongations include concrete shortening and pull rod elongation. R = Pressure Readin'g (lbs/sq. in.) e = True Elongation (in.) e = Observed Elongation (in.) 9 e = Concrete Shortening (in. ) e = Pull Rod Elongation (in.) p e = e -e -e p Concrete Shortening: e = 'c 1 !cl +Ic2 c2 c1 c2 Test Stand: f = 236.4.R / (48 - 7.25 [) = 0.1105 R c1 ,
= 114 "
[cl 6 E - 6.10 psi
, 3 Anchoring Block:
f = 236.4 R / (48 - 5.75 f) = 0.1075 R 2 , [2 = 48" E c2 = 4.5 10 psi
~E is based on Modulus measurements on a similar test block (compare d
page A-44) . E c2 is calculated from an average strength determined with a concrete ' test hammer.
-\
C-2 2, l e. l
-6 -- I e
c
=1 D.1105 5 6 1144.5+ 0.1075= 3.48)R26 10- 6. R 10 ;
i I Pull Rod Elongation: e 9
=
f.9 [p /E9 fp= 236.4 R / 3.75 [= 5.351 R [ = 72" P 6 E = 30.10 psi 4 p .-
=_S.351 72 .R 10 -6 = 12. 84 10, 6 R e
P 30 ,_
-6 e=e - 16.1 10 R -
o 4 The elongation e in the test reading tables is corrected accordingly. '" v-w mes v
.a
\
J-
. _,y, _
. . . . , . :.. ~.. - - - . . .x. -
~ - - . . - - - .
4 4 c-23
.i TEST READINGS (FO9.CES ANT ETONGATION COMCTED, SEE PAGES LOAD '
37ag HYMAULC TEfGCN j *i.'!5iE I SCAT.E PRESSU'iE FORCE STRESS l R E. ..J o ELONGATION P.EMARKS 7 PSI KlPS KSI ; l l N S. It4 S. %. I 1 500 118.2 12.2 1.00 2 1000 236.4 24.3_ 1.15 0.14 0.07 _3 2000 472.8 48.6 1.38 0.36 0.18 4 3000 709.2 72.9 1.60 0.56 0.28 5 4000 945.6 97.3 1.81 0.75 0.38 I 6 5000 1182.0 121.6 2.00 0.93 0.47
~
_7 _6000 _ l418.4 _145.9 2.22 1.13 0.57 _.._________- 8 7000 1654.81 170.2 2.44 1.34 0.68 9 7900 1867.6l192.1 2.66 1.54 0.78 10 8500 2009.4 206.7 2.B3 1.70 0.86 11 9000 2127.6 218.8 3.09 1.95 0.99 12 9250 2186.7 '224.9 3.38 I 2.24 1.14 3 13 9500 2245.8 231.0 3.82 l 2.68 1.36 l 14 9550 2257.6 232.2 4.25 3.11 ! 1.58 l 15 9600 2269.4 233.4 4.50 3.35 3 1.70 l 16 9650 2281.3 234.6, 4.60 3.45 1.75 17 9700 2293.1 235.8! 4.80 ! 3.65 1.85 i 18 9750 l2304.9 237.ll 5.00 ' 3.85 1.95 l19 9800 12316.7 238.3 5.25 4.10 2.08 i 20 9850 2328.5 239.5 5.35 4.20 2_13
! 21 9900 .2340.4 240.7! 5.53 4.38 2.22 f 22 9950 i2352.2 241.9l 5.85 4.70 2.39
! 23 9950 2352.2 241.9 5.98 4.83 2.45 Load held for one hour l 24 10000 2364.0 243.1 6.41 5.25 1 2.66 then tendon unloaded
! l l l No Wire Breaks i l ! !. f I l l l, !
I ' l r, --t.- I L _! I I
.i : l
. ! l !
[ I l I
! I_ '
i
} .. . . !
I _.. . . l. . 5
- - _. t l i r*'.m - 9-FPC-10.1 SHINKO WIRE 7-10-70
___ J
, _9 a l 6 4
L T!:S l' !EA Dl,NGS (l'07Cl:S AN' EIO p PION COOR7'CTED, SEE PAGES l
- .-5 . S- '
$3 ELONGATION REMARKS l
PSI K:.*S KS! l N S. It:G. % 4 i , 1,,_f, 500 118.2 12.2 1.00 ,
,, 2 _ j._ 1000 l 236.4' 24.3 1 13 0.J 2 0.06 I l
,3 . 2J p_Q._ 472.8 48.i 1.37 0.35 0.18
.' 4 3000 709.21 72.9 1.57 0.53 0.27 f5 l 4000f945.6!97.3 1.80 0.74 0.38 l (_ 6 5000 ll82.0 I121.d 2.01 0.94 0.48 l
- 7 I 6000 1418.4 145.9 2.21 1.12 0.57 8 ! 7000 1654.8 170.2 2.43 1.33 0.68 9 7900 1867.6 192.1 2.63 1.51 0.77
, l0 _
8500 2009.4 206.7 2.88 1.75 0.89 11 9000 2127.4 218.8 4.07 2.93 1.49
,1.2., .
9200 2174.9 223.7 5.07 3 . 9_1 1.99 13 9300 2198.5 226.1 5.46 4.32 2.10 14 9400 2222.2 228.6 6.03 4.89 2.48 15 9500 2245.8 231.0 6.45 5.31 2.70 1 Wire break
' 16 9550 2257.6'233.6 6.97 5.83 2.96 1 Wire break 17 9525 2251.7 234.5 7.37 6.23 3.16 1 Wire break
$ 18 9500 2245.8 235.3 7.60 6.46 3.28 2 Wire breaks 19 9400 2222.2 235.8 7.74 6.60 3.35 1 wirn break 4
./
/
l l. I f
- h i
t k
~
i ;
?
. i 3
, ! js
,.acS T ., W. - -
FPC-10.2 JOHNSON WIRE 7-13-70 I 1 Mam e w ms
% w 3 s ---ym 4
- n. ~_ -.-w-- ._ - . -_. . T~i - _ ' -- - -~~ - - - - - - ~ ' -~
C-25 MO e*4 p+ m C-IV
.. BUTTON-HEAD TESTS O =
eH l
m . . - . w--- - .- - - - , , a vi T s , ..mu-. _2. , , ,, m , ~~ ' . , ~ ~ ' ~ . .. -+"
$- h C-26 M
w SHINKO WIRE
. ANCHOR HARDNESS 7260 ase W
r-- C Samplo S:mplo Button-Hond crackn Randinor: Calc. E'ailur ! StrengthLocati :
~
Ro. Length Diam. Eccent. No. Lgth. Width Angle Force Elong. Elong . */.
'~ , x ,5 g O/36 0.00 4 / a 2/o 0 030 f* /.5 70 o 263 2 A b 32 0/SC o.00 2 / d2/E o /20 o' / 05 5 6.66 a a 438 a.004 3 0 /fs 0025 a ' / C / 2.7 262 9 d S b l5y 6' a #35 aood f 9./ 73 s of.C D' ,usf 7/C a 0 439 d A905 / a /95 0 020 d' /5BW 26.f.9 d 3 b l593 32 0937 0.00/S 2 p./75 0.025 0* A/35 7/6
.n_ 7 d43C 000/ 0 /59).) Kdf A
~
b lW 0.435 00025 / a//9 ).ofo 0* /o26~ s.46 _g_ 2f C.$3V O002 0 Mb] 26/.5 A 5 b J2 9. //3V a 024 / d./20 00/5 0* /. 0f.5 .1. 79 a is s. 4.35~ Q002E d /Sco.? 3%C A b b 575 p./G6~ 0.00/ 0 .4 32 7/5 a D. 4/.39 a 005 / 0Sb5 9. aSo .S ' /5fas 26%3^ A 7 s 5 .y 7 anse aooc i a/fs p. ,4, s-i.ogs c7/ 8 a By7 a. gs, Q.436 0 0 0 /. 5 0 Bs?.o Es/E A
, s. 0,2 , s/,, _2 gio ss ,xir.5 ys, a O. 43 5 a003 0 /5733 2dC2 A
$ b 5 2$ x- a432 0 0 A/45" X23 a d.434 0095 O LBJJJ 24/.5~ d l0 b l5 </l G.M5 002/5 9 .d? 7/2 a a o.!'3 0 002 O B 7s.? !b32 A ll b 55is A J:'T 0 Q Ajff
- u 3/
a 2227 a m2s / 9 /50 00/5 0* /.5l50 325 ./ b 2.429 a$o25~ / , d//5 0. 0/d 9' /45 R2 '.
/.S a
/.575s i p.123 a <?>4 0 /5a*?.9 2d/3' /
d.96 b a fff 6 09/.5 9 A//O of l 5 a is a 425 2004 Q /57s] fd3.2 4 b l575 d.421 000/ 0 /./23~ Zo; a a #22 do.?/B O A57x) 2s32 ' 5 b K a#22 0.0025 9 A /f.5 E$/ l
,g a
,iggt aufE S.aLTS O /562) 2C/ 5 A
, b J2 O.//22 0pa25' O /.9.L-T' C7? a is D.427 O 99/ 0 /5 7J) fre2 Af I?i b l55 p. #25 2.00f / O.//O a /0 0* //.99 4'fo jy a f 0$29 0. %/ $ .57JJ 2 A' 2 A 73 .5 a#29 0.004 b 9 A/i> 229
,, a g 0.423 a 003 o /5 60) 2 SAC A i b a 423 0.003 o /./65 7 99 '
a y'fE o. 425 p.002 0 5 659 Js' 2.,2 A l0 b d 0.V/7 Q.0925 0 /.099 dff 9., l
~
cr.28 - r S mplo S mpic Button -Hvd Cracks Readingo Calc. Failur ! N2. Length Diam. Eccent. No. Lgth. Width Angle Force StrengthLocati 3 Elong. Elong. % e !/9 I,l x b 5 p. 4'f/ d.092 a >off G 0 /5cGo 262.4 A/d? K2d
.4
)
t lS32g 9.422 o. 00f 0 /Sdn ff/5 A E2 b a $20 D.005 0 /oof C.54/ a a #2/ aoffs / A/90 asee O' /5/30 ftf4 Af N b lS a$2/ s. 00 5 / a//S Ao/S 3" //B d97 g x 3gt a 42/ a00/6 6 / Bus 26d.5 A b t2 d$22 / 902 S 0 /. /$5' d.12 x gt d. #f2 0.00/
,3 SA G d6KoD 22 2 A b 0./f3 0.00/ 0 //d5 UO a y D.422 d.Jo/5 / d/CE OO(5 o' /Stos 22:& A 5 b 32 0 $20 0.00 2 / d./70 0.0/5 O' /:09) d. 7f a_ $.42/ A #42 / 9 /49 $0/S 2' /5:* > - fic' A 5 Af l b 0.$20 9. $12 / 8./29 d.$/S 0' A//f df7 0 ~
a p. f22 d0225' O /6L SI ,' St3 E~ A'f b C 4/f d002 0 i. u? i~. .of a ! 9.4?2 0.023 0 /Sb 245.7 A N b 2 9.o20 0.09/ 0 402C cc12 a 0. 4/9 9 def 9 /Sidy fdA5" A b0 b lS G. f// 0 ' d.003 A 210 6 d.3 a 1 0 ///2 d.99/5 $ /s 6 50 2d20 A N 5 lIl D.4/5 0. 002C 0 4/20 d.y5 a G.472 e. 9225 2 /57s9 ft_72 A 5 b b,7i d. ///2 9.92/s O / Ofa f76 y gE2 G. ///G 0.0225 9.C35 2 225 0' /4(30 262 4 .A a / b 0.///2 9.29/5 0 A OY) /$5 a a ///9 o.002 0 /Sdn 2CAC -f M b /e'7 i a 47, a,,re s /.,,a agy a , 6.4/3 a 0:2 0 /5550 flo.7 A 5 b lS $ d V/2 9.]]2 $ / 0 70 465
a 0 090fs 0 Mfod 26/E A ! N b lSb s $of 43 70.9/ 1 T S / #5 20
~
\ a S 6. 3/9 d. Go2 / A/95 9. 9/6 O' /5fsJ ff.</9 Ba 5 5 NT2 /. V22 O.*00 / 0./30 0.030 5* A 255 C.53 a 9.39/ 2. 22 C / 2./50 0.JAo O* /57do .2dl. 2 A 5 b lSh 0.Us/ 0.002 5 / 0.K45 0.Ji/B $' AM 6 42 -- y a ,g d.402 0.021 0 /5d&V? ff/,5 A_ f - l b .N 0. 43 2 9.00/5 0 A/.fd X37 a 0.00/ O.002 0 4570) f/3.2 A,_ A9 b ,g:S a o.4st o.oc2 0 z/s
/./ss _
Tg g% f 9y QM "*%,W,mo
l c , sample sample Button-Head Cracks Readings Calc. Failur ! No. Length Diam. Eccent. No. Lgth. Width Angle orce rengthLocati : t ,g3 0.397 0.002 t' /S7dd 22.2 A ll b 32 0. 399 0.002 0 x /so 7 /2 3, t ,g. g
~
d.405 0.0025 0 5 750 2 64.0 A b 32 0 400 d.0025 $ A/.55 ?l/3 a
~
g e.403 0 9 45760 2 43.2 A b 32 0.395 .0.002 0 A//3 Adf 0.319 p.00/ G Miso .ff.2 # A llh xb N3 /c 0. 00/ Q.092 0 A/79 %23 43 xb yUA 3 s.Vss apas 2 0.us aon o' /scsa 2cxs A 0.00f d09ff 0 /.$$ 245 a p a//#3 a 00/ 0 5 600 2/6 A b l55 0.0/2 0.007 G 4 930 d.ff , 47 _,a_j3 yg 0 V V.?
,.pp, 0.Do/
y
/ 0. 2/O s.pg, Q0/5 6 #
56)0 fdAS W l p.es33 ,, ,g 45o /,sg3 g,57 Y 5a l5 2y O. //V3 d.odV 0 5 900 2d.ll/ A 0;VOo a0025 0 / /03 21f g a_ ]_ 0. VV/ 0.002S 0 6 639 2d2Y d
,3]/C b 0. VV/ d.#035 / 9./70 C. G/0 //S' //90 To/
a G.402 6.op75 0 /5 700 .fG. 2 A 50 b lb 5y 0 0.4S9 d.de/S / QA9 f.76 a
/5p p6.4;ig f(/2 9. p of / 0.2/9 o.ofs O' BC50 2/29 )
5/ , 9 n oogg , ,,pg , , , , n a ,,,53 g, y, a H 0. V44 0.006 / 0. 240 00/G 40* /ffGo 269. 7 A b 0. UV2 0.003 0 Aof0 ( 99 a # 0. ff/ 0.00 5 0 /SSEO 2d2. V A b 55 G. 44/ f.dozs 0 / /50 R33 a N i l5 75 p 0. /// d0925 0 5 550 260.7 A A ff/ 0.s06 0 /. / 2 0 7/4 55 [a l5 4g O. ##/ 0.008 0 /5 700 2G32 A
- 6. Ulf 0.0055 0 /,/to X37 a i 0. 4/0 0.00 0 / 9/Us 002G O' B LKo 2CX4 A b lSi 0. ## o.00f / 0./rs 0.021 0* /o/o d.70 S
a 0. 409 0.00 2 0 /Effe 2CZ# .A b lY d V/2 0.005 0 //a5 / 95 a 0. 007 9.0045 / d./70 0.0/E 6* 5 909 fdd. C A N lS3 b ie~ 0 4/4 0 00.6 / 0./30 asps /$
- Ad55 d.S6 a o. V//2 0.00 7 0 45150 2/X4 A
~
N i lI3.22 0. W/ 0.003 5 0 A /f0 9739 a o. 4// 0.cozs 0 ' 5950 26E4 A SO b lS.yx2 6. 9/ 0.o00 0 A/c5 7 24 f .
I 4 #d'J 5507 ..W 90O 9 GSE*O / 5 / 90*/ J//f'd EE
,V 6 ffE G0/9/ p $A?9 lbf *O TES
- Y r 5? *f OdGY Q S&/OQ ///h */ 9 y
f Cf'fZ G90ff 0 S/99'O fff/ *G S, e
\ b000 f
84 9 S'9 98 09/57 GSPY Q 0 Shh *G 52 99'o Sha # TgY 9 e 'N C/Z S$/*/ Q fdd'f EEGV // 06 9 9 J' /7XJZ GS/S/ ,OF a GP G S1/*G
/
i 56/O W A9# D gig e y
//*J SY/ '/ O 54 00 '9 10h *G j.9,/ 9 f 8?.7? 0G09/ c53 G5/ */ ///p *Q e *93 Q / fGh *G /
E/X .C5/ */ C O/G *G $Ch 'O EQ ,, 9 y y /7*A.sg cfggj , pg- Sop c go;p , gnsp p ggg p s e
// J SE/*/ 6 7/09 4 04 'O fej 9 gj f f:fff Cc/5/ G 4/GD 904 'G ' e LY} Gl0/ $ C/G 'f gdf *0 $ 9 (,
,- 7ll
? *: E cc(S7 p g/cG *d pop 'O T
' J/ Z SF/*/ C 7600 0 JG4 *G 9 gg
;* CXX c?E/ fpj 6 E//O 'S Soft p i e l .?? 7 CtC7 ,OS TCc *c SP/*O E 5/cc'd 6G4 *e 9 p_5 y i ,,
f i S:)J! cciS/ e Gi 5lc p of/c / //o*G fonv E E'X ff/7 C S/G *p 9ph'O 9 p,
'~
,- grll T T
' /dd CGZ?/ Q 2/c 's 40/7'G f ."-Z goc */ p pcc s top o y, , 9 y ! -xsz c.rsr/ o cic o seg c T/ i 9
-L */ Ffc V O c/c 'G fd$ v 9
,'l~ZSZ :SES/ G G/6 'O SC// *G gg T I T Sy iszz cw y d 9
,' :/s: csss/ o r//c v 962 v tio p yss p zry, T e 39 ri *.F coz y . I
( SE/*/
!*i 5 CFGf/
c55 0 0 FC/c'O 40h *C 0/G G GC// 'O , 6 I 97 9 e yy CFX G/C */ Q S0ZG 'G PG$ 'O 9 ES[ GSS[/ 0 $/$*$ $Of*G f S/ 99 l EJ? EfC / G S/00 # yC# *$ g 9 f -*~=; cGy/ /y ' fp o Shoon G/p *O '
?? *,9 C/07 d p 9 CCS 'G* f/// 'O 7' . ' ' 7 'C/S7 G f69*G f;C4 */ ~I$ T
.is:c G pop *p //4 o c// /
sc ,, 9 39
.-* l*)Xf ccf97 C SS00D bey /*G T
- l Ch*/ Cf97 9 5000 //# *O g y, 9 r /ff/ cfCP/ p Accw 3/# v ./ ' ,y Q'
1 % -buoI2 *buoIH 7"q25 casas 6 assod GI uy yapTM ya6q -oN *auosos *muTa ya6ueq +cN 1
- nTT?A ~3Ie3 .buipeou s>[a uaa pean-uoaang OTdmes oTdmus
-0C-3 o o
C Simplo Samplo Button-Head Crec k9 Readings Calc. Pallna No. Length Diam. Eccent. No. Lgth. Width Angle Force Strength hd Elong. Elong. % l t C,447 6,0XS / 0,/BS de/0 6' /565h .%5 7 4 2 did$$ a O//
~
b l 6273 ddd2 65* b /73 750 ' o,444 8.6D6 / A /.25 a683 5' / 55700 2&&. 5 A 02 ? /5%fe g ggg g gos - - - - xgo g,g 7 , a 4,d4 7 d,dd& 0 -
/4 m 2% A',7 ' L b l$4 6./d8 d,d/$ 2 0,250 d,250 d50 /,6&D 6,9E '
d, ddC 6.D/2 0 - -
~
/6 950 2d76 A g4 .n_
b /5Y 0,dd6 6,dd6 0 - -
~
A020 6. 72 85 '- n ##d ^M ' ~ ~ b lh/$ A,447 d,OA/S l C.306 8.66 5 BO* /, /80 %2d
. a 0,dd7 0,0/2 0 - - ~
/& J6n F49 2 /
b l6fl4 didd7 6,0M5 0 - - ~ A/270 704 a 6,dd6 d,00/ 0 - - - Jcgo5 zc,4,5 < f b l5ll8 didSO 8,oM / G,225 d020 /C /, /75 '777' a b,447 a/k135 / d /&O 0. Dio a /& 6 03 244.2 ' L b l$4 di/dd 0, n/d 2 0,220 dMS .90' A/35 7,47 : gg a 0,450 6605 6 - - - 1590s EdC E A
- b l5?32 0,447 d.D/& / 0,/45 0 d5 /, / 73 7,75 i a 8,44A n,0/0 8 - - -
/R990 72, = 4 h4 i
b 6,dS2 A.8/2 0 - ~ ~ AO:f5 M a 0,dd6 6.8D8 0 - - -
/4000 2482 ' /
b l5ld' 8,4/5 6,60 9 / O/do anio O /,/25 738
- a. da /d 7 dD/d 2 d206 O 45 /6003 22,2 A b lY32 d 444, 0 M45 A - - ~
A /70 7&9 a_ did3/ 0,os2 ~ ~ - - Moso 269,/ A a b l5 32 0,426 0.d00 - - - -
/. /75 7.56 a A,dZ8 d,dDS -- - - -
/Com 268 2 4 N i No 6, 438 d60/s - - - -
/,pos 7,53 I ">u.s A
~
a 6,429 d,Do/S O/ES da/o a /S900 : VS T /5N/32 0,432 /) t 9,jpS ij,oi.7 o /,/45 7 j7 a 0,d27 A0026 - - - -
/s996 7&74 4 b l5b 0, dPA 8,d30 doans - -
~ -
422S 247 a 6,M2 - - - - 14860 2d?> / A 97 b / 5 '54 a ding oss25 - - -- -
/,/g5 7/2 '
a d 429 0,024 2 0,240 0 36* /5950 24 7,4- A b 5 O Oi/?S dA2 / ans O =rs* /,/#O 7,/3 a 6,425 0.azz 2 a2s0 e so /soso z69,I A
- W b l5 & 6,d?7 ms 2 dz/o 6 45' /aan 4, 74, a O.424 0,07K 2 D,2/S O 56* /&non 248,2 A 0 b lb di4}'S d,026, 0 - - ~ /,4%S &i46
C'32 - Sample Sample Dutton-IIead Crncks Reedinar CaIc. Failur No. Length Diam. Eccent. No. Lgth. Width Angle Force Strength t.ocati ] Elong. Elong. %
.n_ d.42S o, ors 2 c,zs O Bo* /& &)n 248,2 A D M/ b IG o,srA o,oz, e sin n xs- /.iss z22
.n_ 6 d24 d,02/ / 0.2nc 0 45* /4oso 249,1 A lO2 b lY32 d,426 0,62A I o. n Q RS* A /.5 9 ToA a d.d2A an2s 2 67do o An* /&mo 26 8.2 A lOd b lb?32 0,427 o.orns / n. 22n o 45' A/75 7.73
.n_ n,429 0,ozd6 'a o.zdo o 55 /tdso fe?, / A '
/05 b /S% s,4pn o o2s i o. no o ss- g/m 4 sty n_ b.489 0 025 / 8,2/0 0 55' /4//d 249?9 4
/06 s /54/4 a/27 0.02 7 4 02d5 0 55' /.Ms 75/
a 0.427 6,626 / 0, 2"O 6 55' /(,650 pxq, / A
/67 b /5'% g 429 o,ngsg o - -
/,jso 49o
_a._ !. b a b , a b a
.s b
.a_,
b a g L a { b a b b a ~ b b
.aL, b
)
a_ , s b
.a ,,
b ee' %+= OM+ e *~%-y r 71 - *- 4 Ip- gm MNp
P , .
; C-33 r~
SHINKO WIRE ANCHOR HARDNESS < 200 4
-m ea MM sw
.w igp_ gs g.#g m . 4 --as ~. . - .m
I , $ c S mplo Simple Button-H,nd Cracks Readinar Calc. Failur a No. Length Diam. Eccent. No. Lgth. Width Angle e LocatiO x 0.448 00/4 3 03x 0.00 5 45 /5.950 267.4 A
~
l0l b l5$8 0.447 0.0/5 2 0.240 0.00 s 5O' I.685 4 14
,gy a 15 zu o.448 0.0/55 3 0.275 0.00 5 50' /6000 248.2 Bs
~
b /32 0.447 0.0/5 / 0 200 0 50' /. /40 7.2R a 0.444 n.0/2 0 - - - 15950 24 7.4 Ba
//O b j9VIS g,44S 9,9,39 3 g,ggo g,ogg go a ,,93 9 ,, g 4 l 45' /6000 248.2 8a 0.444 0.0/35 2 o.246 0 lll xb 15fs 2 52 0.448 0.0/65 3 0.250 0.00 6 50' /.o50 6.68 o.44 5 0.0/55 / o.226 aoos 50" 16.900 266.G Bs ll2 xh 15"l/4 0.448 0.0095 / o.220 0.005 50' O.'9'50 C. 06 a o.449 0.0/6 2 0.250 0.00 5 50' /$900 946.5 A ll3 T /5f32 o.448 0.o /0 3 aggs o.cos so- 1.880 6.87 a 3 0.44 5 0.0/76 0 - - -
15.900 26 6. 5 A b o*44b o ol6 0 - - ~
- l. l40 7.2h 1
,,3 a 23 0.449 a. 0/05. 2 0.300 0.005 5 O" /6000 768.2 A b E bA o.$45 0.0/35 0 -
- l. 'll5 7.09 a 25 D.445 00/7 3 0.245 0.00 5 S O' /5.950 267.4 A llI b 10
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32 0.44 5 0.008 l o.24 0 0 50" I.I20 7./3 a 0.44 8 0.0/2 I o.22 5 0 50' /5900 26 6. 5 Bs S? b I5 b2 0.446 o,o/75 2 0./90 0 55' O.99 6 4. 3(s lld, a o.4to 0.o/0 0 - - 15950 267. f A b l6 'il8 o.4/5 0. ol05 0 - -
/./95 7.4/
a 0.4/B 0.0/3 0 - - - l595'O 267.4 Ba IIS b /6Y/6 o.411 0.009 0 - - - J. No S.54 ll# a 0.4/7 0.01i 5 0 - - - 15.9cc 266.6 A b l6b O.4/4 00085 0 - - - I.06 5 4.60 a o 4/7 0.0/3 0 - - - 15950 267.4 Ba ll b lI O 0.4/5 0.0//5 0 -
/.d40 6 45
' N.
a 0.424 0.0/3 0 - - - 15.900 246.5 8a b lb'YO 0.4/4 a.0/2 0 - - 0420 S. 7/ o.4/8 0.0/36 0 i6900 266.5 Ba a
/?E b lbYlfo 0.408 0.009 O - -
- j. j50 7.lg i
lA",, a o.409 0.olo5 0 - - -
/5.900 266.5 Bs I i lbYl4 0.417 0.0/25 0 - - -
I.020 4.55 a 0.4/5 0.oll5 0 - - - 15350 267.4 66
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'N b l6'/8 0.4l7 0.oll5 0 - - -
/.090 6. 7(s lA, a 0.398 0.0/56 0 -
Ca b l(oY52 0.4'l7 0.01I O -- - - 0.770 4.78 a 0.4/3 0.0/3 0 - - -
/6,000 268.2 Bs lA? b lb'I8 0.410 0.0/2 0 - - -
I.0/5 6.21 s= .
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r c Srmplo S mplo Bu t ton-Head Crecks Rnedings Calc. Failur : l N3. Length Diam. Eccent. No. Lgth. Width Angle Force StrengthLocati : Elong. Elong. % I x 2 0.C3 a.0226 3 0.240 0 60 /5850 24 9. 7 Ba b $ A 0.lh0 0.0 /$ $ 0.260 0 $5 /.090 b.88 , , , 0.443 0.020 3 0.25c o.00 5 to /6000 24R 2 8a b lE 0 $$2 0.ol.$ b 0.2$0 0 50 0.'590 b.20 l a 0.4/O n.00 9 0 - - -
/&.' too 24 9.9
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- l. 'l46 7.l$
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15.900 7&&. G A SA G.$/l 0.0/05 0 b - ~ ~
$l76 7.30
/$. x 3j fs_4/I 0.0/0 0 - - -
/4.100 249.9 Bo b !(o 132 0.4/3 0.0 /0 0 - - -
/.090 6.77 a s O.409 0.oll 0 - - -
l5.400 2t,b. 5 Bs
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s c Sample Sample Button-Head Cracks Readings Calc. Failur a No. Length Diam. Eccent. No. Lgth. Width Angle orce rengthLocati ) L 7/ 0 Q.oll O - - - 15.150 247.4 A lES b /5 t8 n.432 43$ o.OI4 j o.igo O 45 ,, jo 5 .* 9S
/28 a 21 n.43/ o.0i/5 0 - - -
16.050 2 s 4. / A 3 /B $2 0.43 0 0.o/45 0 -
/.'/4 5 532 a o.435 0.012 2 0.150 0 45 15.900 266 5 A
/O 15V8 , g, ,,5 g b g,43, g g,39 99 ,, ,,9 ,, g g lSl xb l0 Ylio is O.433 0.0/45 2 0.205 0 50 15950 267.4 A 0.425 0.0/35 2 0.170 0 50 I. 'I 75 7.37 lSE xb l0 132 29L o.43 4 o.oits 2 o./95 O 45 15.900 24 6's A c.429 0.013 o - - -
7,';49 7. 9l a 7 o.43 0 0.0/3 / o.170 0 50 15900 246.5 Ba l b l5 l0 0.43 0 0.0/45 0 - - -
/.155 7.'28 a 7 o.43 l 0.0/25 O - - -
/5.900 246. 5 A b !5l/ o.43 0 0. ol4- 2 o.2l0 0 55 l. 'l45 7.2l l5 a ig 0.432 0.0/25 2 0.23 0 0 50 /6.mo 248.2 A b 15 //4 0.433 0.01 5 2 0.215 0 50 /. /lo 4.96 a 0.432 0.0/3 I 0/B5 0 45 15950 247.4 A b 5,I8 0.432 0.0 / 4 3 0.195 0 50 1.'I70 7.37 ,
a 26 0.44 2 0.0155 I 0.28 5 0.00 5 50 15950 267.4 A ll b l0 32 0.440 0.ol4 2 9.24 5 0 50 /.I45 7.26 5 a 3 0.44 2 0.0235 4 0.22 6 0 35 /4000 24 8.2 A s l5I4 0.443 00/6 0 - - - I.22 5 7.78 a 25 0.44I 0.022 6 0.250 0.005 5O /6000 268.2 A lSl b l0Y32 0.44l 0.0/55 3 0240 0.005 50 /.'/75 7.48 a 0.408 0.008 0 - - -
/5.950 267.4 A M5 b 16'/a 0. sis o.oio5 i o. iso O 45 i 'i ,o ,. 2g a
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_ u. _ _ ._ u_._____._ _ _ _ _ _ _ _ _ . _ _ . _ _ _ . _ i~ . t c Sample Sample Button-Head Cracks Readings Calc. Failur a No. Length Diam. Eccene. No. Lgth. Width Angle e engthLocatio x e. V//S oosts 2 0./fo ap3o O' /G7.n 2fs. 4 A I b N'g 32 a VV3 amis 2 9.175 0.025 0* a330 5.93 a 9.443 a0025' 2 o.220 0.05) O* .C'750 24%3 A 2 b $/>/g a VVf aoos t/ o.zos 0. 03o to* o./75 3.46 a 9.JV/ 0.00/ 2 0. /9o 0.035 E* /4900 2ff/ A - 3 b lb 0.VV7 D.0/0 4 0./ 70 2.03o O' o.9fo C.27 x 0.GZO 0.00 0 3 a200 0.030 O' /#930 250:G A h b k/7 d 40/ 0.00/ 3 a/35 0.olo P a /E5 3 f/
.a_ ,3 .g. 2.02G 000?S 3 d. /50 0.055 0' /# 730 2ff. 4 A 32 0 4//V o.oo7 3 0*
b 0. zoo 0.025 0. 12s .5 47 a 23 d.VV2 0.03[ 2 0.//o 0.0/5 0' /$dQ' 2 200 / A b 37 9.VVE b 0,ao3 3 0.72o 0.oGo //5* 0.7/E .3 33 a /C 0. V33 00o2G 3 0./ 70 0.050 0' /Vf00 2l// 0 A Y b $ Ti a yp3 a9055 g o./go a.oz.s 0- p.pga .5. 7c a d.VV2 a 0035 V a//o 0.o30 O' /$Pbo 2ff.4 A l 0 Vd'i 1 00!/5 .3 0* d.f75 .5 Of b 9. id 0.060 a x fs G
- 0. V#' 2 a002 S O. /70 o.055 0' /f?Eo 2//Z3 A b 0.U#2 0.005 3 e/99 0.030 0* 9. dio 37{
a G.003 0.00 9 2 0 /90 0.02S d' / #900 2/ff A
/0 y $,2772 4, pyy 9, on, 3 g,,gp g_sp5 9o 9, pyg _33g ll a
5gy a 439 anos V 0./75 0. 03 5 O' /Udpo 244.1 A b 32 9. V36 o.oot V 0.Its 9.p30 0* 9. 196 .5..M
,, a N 29
- 0. 439 0 00s 4 8.//S as30 0' /VdSt? 2DK & A b T2 M35 0.002 4 a/75 0.035 O' O.79D /.? 97 N
a j_5 9. f39 0. 00V 2 s./75 0.040 0* /V600 2V4. / A b 5 32 AV!/2 o.96 4 3 /./79 f.o35 O* o. /75 .5# a 29 A !!/ o.002 4 0.2l'o 9 930 O* /4050 2//22 A Y' u lO2 0.4V2 ados 3 0,/G O.ot/o 0* O.7de 4f0
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$E! 9. 926 d0o2s 3 d./So 0.020 0' /0550 2/3.9 A b 3 6. G37 0 003 2 0,/25 0.030 0' O.foo E tt'
- a y //V2 0.0s/ 2 0./7o 0.040 Q* /#/00 2 44. / A T 5 32 0. ff/ d.sp/ 3 6./60 0.opo 9' O.f/5 3. 73 a
5s i 0. 43 1 a 0005 3 9./20 6.030 0* /46op 2/4/ A T 75 0. 439 0.00S 3 0.//0 0.02D O' O./20 L /5
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,3 22 ' d. Uf2 0.006 0 0./35 0. 0 30 o' /4700 2d6.4 A b 3 O. 443 0.00 5 3 9./20 0. 0 00 0' O.930 5./5
' ,, a_ ?9 73AI 9.439 aoof 3 9./fo 0.03 0 d* / 0 700 2flV A h d. $31 0.00/ 3 6./Y3 0.035 0* 6.//0 .5 53 m a jg 0. V39 0.005 3 6./55 0010 O* /#350 2 00. 6 A
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C-k0 S mplo Simplo Button-H*ad Cracks Readinqr Cale. Failu No. Length Diam. Eccent. No. Lgth. Width Angle Force StrengthLocati Elong. Elong.% n_ O.43/ n.002 4 O/50 a030 o' /4700 9;f6. 4 A 3 _.ll b S 0,432 0.CO2 4 0,/55 0 6d0 0* 6.9 70 &.C4 a n,436 0.6956 3 n /75 605n 0" /d7m Ddd. 4 4 20 b lbb2 0,d3 7 2.s17 d d. /66 .030 d' 6. 730 4,87 a L l3/ /).d(5 4 3/% 0.00D 0* /J7D Dd73 4 29 b /6 h 3,dsd s,oss / 3./so a 60 d* c.3ds 5 89 .
._n_ O,J!' n.b.ss 3 6 //5 0000 0 /d2an C28, / A 0l b lb$32 J.44 a , ')_ 6 5 '3 v./d6 36 30 0' n,RJo 6Dd
_n_ 6,d32 080D6 d J.Ida O.6CE 0" /d700 Cds. J A
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D5 b /4ffo g,gcc g. sos 4 c.,,;.9 ao.25 J'- 0.g50 5.so a 3.a'So n.doas 4 3./25 s.005 o' /J300 C N .'7 A 06 b /4//SD o. dss 1,oos + nAo 6.0/0 O* a 770 d.30 a 3.43 7 6.6035 9 0,/75 2.aS6 0 /d550 DJ3.9 4 b lhV/b ),836 0.006 Y ) >] 0.830 0' 0KO 6 35 N a 0.430 0,60 3 4 2./IO a905 6 M4Do ad/.4 4 b /d 6,43/ Gooc R b./45 00/0 6' O.8 50 5s/
~m' a J 432 0,m2 S a/30 3.0/5 O' /ddOO 2d/d A b /6!/4 0.436 nosc, 9 aM) D.JJa c' o, 72 5 4. 5/ '
U-,
a 6.433 D,et.4*
4 1 /40 0,6dd O' /d t o 2ds. / 4 .
b l6lhD O.433 6.63d5 4 0,MD 0035 0 0.Mo 6. 2d a 6 42/ &aOS 3 6Po 6n20 C* M5cc 2 43 / A b lbh6 8, d2d & dos S d/98 66 % 0' O.$95 $57 a d,425 0.0005 5 0,/30 0D26 0' /d75c .cd73 Ba.
b lb S did20 dAoD .G $25 0.020 0 n,3)Q 6,63 a 6,d *C 0.6045 8 6.lsa do2n 0* /ddf6 OJ2.2 4 h Ib S2 ),02d 6,dD 2C 8 0. /d5 0./)30 /5' O,860 5, ?4 a 0 42/ o.067c 5 a./So 0630 6" /4d00 2d/. 4 A N b lb?d d /20 Sm/5 6 0./d0 0. 0/6 0 0,33 5 6,3d a , adod d, in ', 4 a /60 6.046 O' /dADn Edd g,ggo .=g g, a 5 0.d/5 0.0636 4 a/00 a6m O' M5do 245,/ A b 0 0,4/3 8,($25 $ 0,/20 8 0/5 0' ) }35 5, 7Q "l a a,5/5 0,MS 6 :0./23 n,0/n 60 /d7do 244../ A b l b lbYS264/3 0d205 4 6/D5 D.033 0' d835 6. / '7 .l a 4.432 0.60M 4 0,/db ddD5 d' /4400 24/,4 4 b b 8,4/5 06&S / $,/40 0,g56 0* d890 f* 60 9
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C Sample Sample Button-Head Cracks Readincs Calc. Failur a No. Length Diam. Eccent. No. Lgth. Width Angle Force StrengthLocatio Elong. Elong.%
t C, 4/D &&os< 0 6/.2S Ga86 O /ddon .widR 4 ll b NYo '
. i, 4/& 6.6ns 0 0/DC 0. 9 ) d' ,0.896 5. 6R a 0, d/7 6.669 3 6./d0 GAdo O' /d500 243,/ A k.2 b N ?-G 6, dad 6.05 0 B o,/90 0070 o' O.390 E.49 a 6.d/6 6.m?E 5 6.135 0.036 O' /d6an 244.8 A U b lb56 0. 4/4 ano/5 4 6.//5 aooo c'" 14/5 5. 5 3 x 6. 4 05 n.oo/ 2 0, /lo n.oD5 0 /ddso Dd2. Q A N
b lb Y8 6.4/5 n. ms 4 6. /'So cons 6* dA4s 5.36 l a 6 //5 6.604 d 6./25 0.025 0* /ddon D443 A O b lbbD6.d/3 0.00 3 2 0,/J0 do26 0' G895 5.50 a 6.294 d. CGI 3 0 /.25 0.a30 6' / dam 2 49'S A N 5 lbY 6, d64 6.rM S 9 6./d5 GDdo d' G855 5.34 l a 6.32C GC30 / 0.68n 60/5 A' /4.Soo 245 / A l b lb O' G. ?$-] $, * D 3 6 /.20 0.025 A' d,855 5.07 a 6.323 d.6':C 4 6 //0 0.n3S O' /d350 2do. 6 A b IbllA &,R)?6 6,*iG D 0 ~~~~~ dA30 5. // a C,? F 6,M25 / 6./35 0.030 0* /d650 2d5. co A b lb'l32 0,d6/ n/63f 5 6./40 C,000 0* 6855 5.27 a s',466 0.00 5 3 8./3S &640 0" /dd50 242.2 A 50 h lb54 6.dGI 6,6 M S 2 C. //0 6 030 0 O.350 5.23 a 6.S)2 6.66 4 4 0 /la 6,6/5 d' /d&O3 2 44.8 A 6l E b l5 l32 6, d6 3 0.6025 2 6 130 0 626 6* 6, 8 70 5.54 a aRO6 6.60 4 2 6125 0.030 d' /dddo 244.e A b k'*bD' 0./03 6.00 7 A 0 /d0 6045 0' d.9/0 6.59
.. a 6,393 6.DD35 o a /40 0.030 C* /#460 244.8 4
" !.-Y.,.- C 39/ 9 b 0.600 & 0 96 0old O~ 08s5 5.34 a C,!:t! 6.00/5 2 D./00 6.0to 6' /4'Gm 244.6 A b l$k 6.46/ O.006 9 G/dC O.0/0 n' 6.3 70 5. ~3 7 a CidC4 6M35 5 6./60 6.625 n' /4450 242,2 A 55 b l6 'h C.40/ 6.604 d a'/dC 6.035 6* G845 &20
, a 6.ddd 6,603 3 6D36 OSCE d5* /dson 2Bg. 7 A b l55- 6,d4d 6.60s l 6.060 b.Gon o' 6.76 5 48d
'.r7 a G,d46 46/O / 6 695 6.00 5 n* /$350 246,& A
!b l55 6.443 6,664 l 6 ' -
d.876 KE2 : rg la -. 6,447 G0 5 :2 a2f6 d.6/K 60* /440n 244.8 A l b l5Y5 I& dd& .D, dad 2 0260 0030 0' d830 5.69 6.d45 6.04o 80/6 0* /43so 2da d
'n) .a 66// A
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lb lY 6.dd7 d,60/ / a /do dodo O* O 775 4.92 n.ds'o 6 6/35 / a /40 d625 0 /4360 239.'7 A y a',',y2 b 6.dd5 C 066 5 0/50 A.Dio d5' 0, 75 6 4.80 F.
C Samplo S::mplo Button-Hwad Cracks Readings Calc. Failura No. Length Diam. Eccent. No. Lgth. Width Angle Force StrengthLocati : Elong. Eloag. %
, t 0 445 0,01o 0 0000 6noo 30* /ddRo 242 2 A D b ,, 32 0.446' GOODS / o./S o a n2n 0* 6,8/S S. /co o,447 acoss 4 o./So ams 65* /4260 N 258.9 A l5##l32 0,ddd aoos 9 6.6 90 0,o/0 0* 6.2/5 E.t&
a 6,dd7 0 0035 9 6/80 0.0D5 0" /d750 b8 # 2d7. B 4 b l5 5S2 6,445 a.0a85 2 6.220 anBS C* 6 855 sd2 x o,d45 a otD 0 a/Go aoto n* /d500 242.I A N b /5 l4 add 5 0 004 / 0 090 Ga/0 0 0875 5,64 a 6 0, O//5 3 0095 6,0/0 /5* /dSSO 2d3.9 A d5 y l5A fp g,444 448 g ggg 9 a zyg gg,9 go g,995 5, qg, a 04/G 6 004 6 0/dC 0.030 n* /MOOO 26/.6 A
#6 b l6032 0,4/8 5 a6055 d//0 a620 C* n.920 s d,9 a 6 4/3 n.nas 4 a/45 n,03o o /d5on 243./ Ba b ! 68/5 d.02f5 3 0/30 0A39 0 6, 18 5 d,86 a did/B amd5 5 a/45 an25 6* /d500 2d3 / A b lb#ld? a4/7 d.M25 4 a/20 da/5 0* n.870 K 38 a 0,d/d 6,CDS d 6/.30 0020 6 /6/00 253,/ A b lhf8 6 d/Q 0M55 4 a,/80 6025 30* 6QSO S.95 .,
a 04/7 d,6 0 5 0 a /40 G0/S 45* /dAOC .918, / A 70 u /g% a,4g g o,,g 4 o,gg oo,g o. gpog 4,9y a ad/2 ao/25 / 0,/no 6 OIO 46' /d756 217 3 4 7/ u /6%s o,1/4 s.oogg i a17o s.a25 go- g9/g 5,g c a d4/9 ao// 9 aDoo o. 0/S 46' /5000 D5/. 5 A lS b lb?A /),d26 a6/o 9 a/d5 0,020 Bo' d8.35 5. /8 a a d/5 00/75 4 a /So n. 630 o' /d866 2da./ A l5 b l$ 6 4/4 d.ni s- 3 n./as dalo d' dAnn s.cs a o. 4/8 da nn95 3 a/40 6,020 6* /4700 D4d,4 A 74 u /4 937 a 4/9 g.mqg 5 o.2m aolo 45 aggo g, 4 g a 6.42 5 66/25 6 d/96 6&S 8" /d980 250,6 A 75 u iWB o,4/& d.cogg 5 g/po anio o- a9so ss5 a a 4/5 6,0/d 3 0,//n 60/0 30* /dBGd 248,9 & - 74 u /6%2 a 4/7 ssits e niso asio ds ascs e. 3 7 a 6,4/4 d.6/25 3 6. 6 96 ao20 A* /48m .WA. / A b lb54 0.4/3 a.b/d 2 n. M0 00to 45' 0 890 5.d4 a 0,d/7 n.0/0 2 a/AO 0.0/5 d5* /d900 2 19, 9 A b l$6 d d/7 00096 9 d //5 a0/5 30* d 745 4'85 ~ a a4/7 0nio5 3 a./d5 ams d6* /5/00 KB, / A ) b lbYd O. 4/8 8.00 75 .2 a l76 aops 45' d.Bao S.4& g a
,g g d 420 6 0/85 3 0./70 6aso Ro* /4800 2d8.1 A b 2 64/9 Do W75 6_ 1/50 0020 30' O.780 4,86 _
o at C SOmple Sample Button-Head Cracks Readince Calc. Failuri No. Length Diam. Eccent. No. Lgth. Width Angle Force StrengthLocati': Elong. Elong. %
.n_ Sd/9 d0/0 3 &?2o 063s d6* /d6so .225.6 4
*SI b b I'a l?D 6,d/8 c.n/ns 5 6/00 6.0/5 ds" 6.89a E. 6 /
. a 6.d2n dC/C5 4 6. /2) 00?) 0* /0800 248, f A
'N b lb5s 6,d/8 C.6006 3 G/20 6,025 33' dia5 A. P8
,. a G d/A d.6645 2 6/s0 6.010 .30 ' /dQ6a 24R8 4' M b lbNA 6.d/5 66076 2 C,/30 08/5 So* a Ris' 5.78 6.4 5 7 0.0/65 4 6 760 0.67E d6 /44 50 M54 d
.-: I l$!l5 % dd5700525 7 n 3/5 dc/o r'o 6800 R. 68 a 6. d54 6 6/ds 5 0.280 C d5" /d95O 260 c, A b l .s 6.455 0. 0/4E 2 0/75 0.625 25' asB5 6. 6 G a 6.459 6.025 6 O,/&a 0,6/5 30* /5006 25/,S 4
'b
. l5k 6454 66/Z 4 6./20 6005 20* dad 5 5.39 a - / G.C<B5 0 OOsa aaos n' /4956 Osa G A glb NY '45C d55' O 6/95 3 6,pso 6. ci: cc '- 0863 5.49
- .: la l l 6.d= 7 6,ci55 3 6 240 0 55* /5000 DG/ 6 A lb ' bb, I 6.d55 6.ctos 3 d2B5 d625 40' d,990 6.26
, la - 6.d53 c.cas 2 0./ns s.nn 5 O' Id950 250 6 A b l5 3.2 4A57 6.6/75 3 0.MS 4 02s M' d936 6. 9/
a: ' , . 4% 4.ce75 =- O /35 6mo /5' /dd50 245.6 4 90 ;l/W8 g.ggi lggS.3 4 g .775 go9g So o 9,gg5 5,54 a, :L- G _'is 5 OD aCD5 45* /4&O] Dd48 A 9/ b l /50 ,,645 6.6/75 d 6/36 aCOS /5' />,895 5D8 a 6 440 6'P6 R C.GOs o.035 so' M450 .cd5 & A 92 b l5Y 6./57 I'. J/) 4 0 /d6 0025 J A.890 5. 70 a 6.453 '& 6&/5 / ORG 60/5 6' /4 900 '2d9,8 A 93' b l5S, 6. 4?S 60/9 4- A/95 60DD 55' 69do 6.22
.a i:*.4 M l:.6/b i 5 4/75 6 65* /d893 .2f8. / A
'/'$ .b l$8 l .',d6 7 l/.6/95 5 6/75 6 020 O' 6.Roo 5.76 a 6.d42 16.6/7 ? OBD o.000 45' /d700 2 44.4 A 95 b /$3:2 C.d62 6 62D 9 iMD 60/C 45 C 766 d.89
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