ML14161A088

Final Safety Analysis Report, Amendment 112 - Figure 2.5-585, Remedial Treatment for Potential Soil Liquefaction Stability Analysis Summary

ML14161A088
Person / Time
Site:	Watts Bar
Issue date:	05/30/2014
From:	Tennessee Valley Authority
To:	Office of Nuclear Reactor Regulation
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REVISED BY AMENDMENT 59 FIGtfRE 2.5583 G;;:TTq BAR NUCLEAK iil'PI.IT FEMEDIAL T R E A T H i A i COR POTEN [ I A L S O I L ~ I Q U E F A ~ T I O N S T A B I L I T Y ANALYSIS SLIbIMARY LOAD D I AGRAfq OE~GROUND BARRIER IC ?D EARTH EARTH

['RESSUR PRESSURE PASSIVE DY N NOTE A: EARTH PASS1 \CE INTERFACE BETWEEN PRESSURE EARTH BAG K F I LL COFlPACTED PRES-TO 100% OF Ei'd MAX.

AND 9% OF rd T-!AX. 0 -- ANGLE OF F P I L U R E PLFf'E SURE.

hEdA LYs I s CASES DESCRIPTION FACTOR OF SAFETY CPSE E - DURING E A R T ~ Q U A K EBUT PRIOR TO LIQUEFACTION (REDtiCED PASSIVE FRESSURE ASSUMED TO ACT)

II I AFTER EARTHQ~AKE AND AFTER ~ I ~ U E F A ~ T I O N (NO PASSIVE PRESSURE ASSUi4ER)

FR - S L I D I N G ?ESISTANCE DUE TO THE SHEAR STRENGTH O F THE CDfrlPACYXl F I L L .

FR = 'ENEFF TAN 4 f- CL FW - H O R I Z L ~ I ~S~EL I 5 l i i FGPCE C 4 : ' X E 6'; HE hCCLLERATI0N .IF THE U ~ ~ R G R O U NBARRIER.

5 Fw = Wag,(Fwx = FN COS 9)

EARTH PRESSURE

• ifHzKa I

!E,G,;~ EA COS 8)

EA * = -f 2

EAD

- 5YNAftqIC EARTH PRESSURE * = EA ag. (EADX = EAD COS El)

EP - PASSIVE EARTH PRESSURE * = 8H2Kp, (Epx = E p COS 81 2

PD e DYNAMIC PASSIVE EARTH PRESSURE * = EP ag. (EPDX = EPL ccs a i W - WEIGHT OF BARRIER, Wx = W SIN 0 9 .. 1NCLUDES WI:TER PRESSURE MATERIAL ?ROPERTIES U N I T WEIGHTS { P C F ) R TEST ( N A T ' L MOISTURE)

-bY k SAT

_c If SUB 4 C(TSF) 4 CITSF)

I N S I T U I4ATERIALS A L L U V I A L CLAYS AND SILT5 I20 t 23 61 28" 0.4 14" 0.2 A L L U V I A L SANDS PRIG2 TO EAHT tlr!lJE;KE 1'9 124 62 25" 0.4 14" 0.2 DURING EAFTHQUAKE 119 124 62 20" 0.2 loo 0.1 AFTER L I Q L E F A C T I O N - 120 58 - - 0" 0 BASEL GRAVEL 720 7 30 68 30" 0 COI4PACTED F I L L (BORROW MATERIALS)

@ 95% $!$qAX TRENCH A 117 126 64 15O 0.1 TRENCH B 117 126 64 15" 0.1

@ 100% Q ~ A X TRENCH A 123 130 68 74.0 0.25 TRENCH 3 123 130 68 14" 0,35 f,P0 i L 14ATER IAL 110 115 53 24" 0 Q TEST R & S TEST CRUSHED STONE ji C(TSF} 9 C(TSF) 1032 SECTION MATERIAL 135 143 81 39" 1 .o 405 0.5 1075 SECTION MATERIAL 135 143 ai 43" 0 40" 0 UIjEESGRONID BhRR I ER AtUXYS 1S SLPTWiY SAFETY FAC,TORS SAFETY FACTORS TRENCH AI TRENCH E l POST ,.

0+78 1.36 1.62 3.09 4.79 Ot50 1 .85 1.4810 7.00 18.32l 1j-28 1.53 7.56 5.44 7.20 1+oo 1.93 1.43" 6.00 18.1311 1+78 1.42 1.44 5.54 8.37 14-50 1.83 1.61" 4.57 29.71 l1 2 E28 1.35 1.35 10.32 78.43 2+00 1.78 1.741° 5.24 24.03

2+78 1.42 1.45 6.98 8.14 2+50 1.00 1 .8811 2.28 70.0212 3+28 1.25 1.20 4.55 4.65 3+00 1.39 1 .064 2.57 4.14" 3t78 1.22 1.21 4.05 4.21 3+50 2.21 1.094 8.73 4.374 4+28 1.23 1.16 4.07 4:63 41-00 1.7s NA f 6.57 NA 44-78 1.17 1.12 3.05 3.31 4+50 1.78 NA 17.50 NA 5+28 1.11 1.10 2.69 2.90 54-00 1 .e2 NA 18.49 NA 5+78 1.03 5.77 7.63 2.34 54-50 2.26 NA 34.39 NA 6+28 7.05 1.11 1.66 2.02 6+00 2.15 NA 32.65 NA 6+782 7+28 1-20 1.23 1.79 1.87 71-78 1.16 1.11 1.66 1.62 et28 1.22 1.17 1.64 1.76 3+78 1.22 1.17 1.66 1-67 9+78 1.41 1.32 2.20 1.98 NOTES :

1- SEE FICURE 2.5-586 FOR A PLAN SHOWING THE LOCATIONS OF THE CROSS-SECTIONS.

2. NOT INCLUDED. S O I L PROFILE NOT I D E N T I F I E D .

3 . FAILURE PLAN 114 COMPACTED F I L L IMMEDIATELY ABOVE CRUSHED STONE.

4. F A I L U R E PLANE A T INTERFACE OF 95%/100;' ~ D ~ I A X COflPACTE2 ' !LL.

5. S T A B I L I T Y DURING EARTHQUAKE INGLURING PASSIVE PRESSURE CALCULATED USING REDUCER STRENGTHS.

6. S T A B I L I T Y AFTER E A R T ~ Q U A K ASSUMING NO PASSIVE PRESSURE.

7. MATERIAL FROM ORIGINAL POWERH~US EXCAVATION, INCLJDES BASEL GRAVEL AND SHALE BLASTED FROfil EXCAVATION. SPREAD BY PANS AND ONLY C ~ ~ I P A C T I 0 IS N BY SPREADIPIG EQUIPMENT.

8, FAILURE PLANE AT BASE OF CROSS-SECTION.

9. THE USE O f CRUSHED STONE AS WELL AS EARTHFILL ALLOWED FOR SEVERAL POTENTIAL FAILURE PLANES. THE FACTORS-OF-SAFETY GIVEN REPRESENT THE ~ I I N I ~ UFS M FOR POTENTIAL FAILURE PLANES OTHER THAN THAT I

~

GIVEN I N NOTE. 8.

10. FAILURE PLANE AT IJJTERFACE BETWEEN IC12 CRUSHED STONE MATERIAL AND 95% r n f i l ~ xCCYIPACTED F I L L .

1;. F l i i t f R E PLANE AT INTERFACE B E T K E N :3;2 AJD ,075 CRUSHED STCiNE [{ATERIALS.

12. FAILURE PLANE AT INTERFACE BETMEEN 1075 CRUSHED STONE MATERIAL AND 100% SOpl~xCOMP.ICTED F I L L .

13. NA-NOT A V A r ~ A B ~ E - OTHER ~ ~ O DEFINED POTENTIAL FAILURE PLANE.