ML18114A592

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Submits Response to 790518 Request for Info Concerning Review of Methodology in Use of Oil Structure Interaction
ML18114A592
Person / Time
Site: Surry  Dominion icon.png
Issue date: 05/24/1979
From: Spencer W
VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To: Stello V
Office of Nuclear Reactor Regulation
References
392-051879, 392-51879, NUDOCS 7905250092
Download: ML18114A592 (33)
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{{#Wiki_filter:,. VIRGINIA ELECTRIC AND POWER COMPANY RrcHMOND,VIRGINJ:A 23261 May -24,. 1979 Mr. Victor Stello, Jr., Director Division of Operating Reactors Office of Nuclear Reactors Regulation U. s. Nuclear Regulatory Commission Washington, D. t. 20555

Dear Mr. Stello:

Serial No.,392/051879 PSE&C/CMRjr.: jpj Docket Nos.:. 50-280 50-281 License Nos.: DPR-32 DPR-37 We have received your letter of May 18, 1979* concerning information required for your review of our methodology in the use of soil *structure inter-action. Our response is contained irt the attached document entitled 11Response to NRC letter of May 18~ 1979Coricerni_ng Use*of Soil Structure Interaction. 11 If you should require additional information, please contact us as soon as possible. Attachment* W. C. Spencer Vice President - Power Station Engineering & Construction

  • Services 79052 5009..Z.;1
  • . ;J.-*.t,,,..

ATTACHMENT RESPONSE TO NRC LETT'-!R OF MAY 18, 1979 CONCERNING USE OF SOIL STRUCTURE INTEPACTION. MAY 24, 1979 SURRY POWER. STATION UNITS 1 AND 2 VIRGINIA ELECTRIC AND PO~ER -COMPANY

l May 24, 1979 Dockets Nos. 50-280 and 50-281 USE OF SOIL PROPERTIES IN DEVELOPMENT-OF SOIL-STRUCTURE INTERACTION AMPLIFIED RESPONSE SPECTF.A The following procedures we:re followed to obtain soil properties for the soil-structure interaction analyses at ;he Surry site for development of SSI based ARS: First, a small strain soil profile was developed from the best available soil data, including cross hole seismic shear wave velocity measurements, as well as data from borings and samples. Second, the effect of an earthquake in the free field was evaluated using the SHAKE computer program. The control motion was specified at the surface of the free field; two ~eal records were used - El Centro and Taft - normalized to thP. acceleration level of the specified desigri earthquake (OBE or DBE). The program iterated to obtain values of shear modulus and damping compatible with the levels of stra.in developed during the earthquake. The average of the results from the two records was 4~ed in further analyses and is here called the*strain compatible, ~ree field profile. Third, the moduli and material damping for the strain compatible, free field profile were used for the REFIBID/FRIDAY analyses. Fourth, the motion at the base of the profile obtained in the SHAKE analysis of the free field was Jr.put to several profiles representing the soil column under the Category I buildings. The top layers of these profiles had masses and fundamental periods equivalent to those of the corresponding buildings. The small strain values of soil shear moduli were adjusted to account for the additional static stresses imposed by the buildings. The computer program SHAKE was run to obtain strain compatible moduli and damping v::ilues for each building profile. The average of results for the two time histories established each profile. Fifth, the strain compatible properti~s under each building were used in the finite element dynamic an~lyses as soil properties directly under the corresponding buildings. The strain compatible, free field soil properties were used for the elements representing I the free field. Strain compatible soil properties were interpolated between these values for two columns ~f elements adjacent.to the building. Sixth, no further iteration on soil properties was performed in either the REFUND/FRIDAY or the finite element analysis.

\\ SHAKE ANALYSIS SURRY POWER STATION~ UNITS 1 AND 2 The effect of increasing and decreasing the average lov strain shear moduli (Gmax) by a factor of 50 percent was evaluated with SHAKE. The El Centro and Taft earthquake records, normalized for the DBE, were input at the . ground surface in the free field, deconvolutE:!d to the base layer and then amplified up.through the soil to the cpntaimnent structure. All soil plrameters other than the low strain shear*moduli remained unchanged. The.depth of the soil profile for the.analysis using one* half .of the' average low strain shear modulus (Gn:ie.x) was reduced from 406 ft to 261 rt. The use of such low values of. shea:r moduli with a deep soil profile causes the iterations for st:r,-aln dependent properties to diverge. Convergence was attained by eliminating the frequency content of the tinie histories above_ 10 hz :and by esteblishing the_ half space at a higher elevation. The full profile was.used in the soil-structure interaction analysis, using extrapolated v~lues. of.* strain compatible modulus and damping for the bottom -layers.of the. profile.* The strain compatible soil properties for average Gmax plus 50 percent and average Gmax minus 50. perc~nt are.iisted<on Tables 2-i2 and ?-13, for the free-field and under the reactor co'ntaininent, re specti v:ely. i Strai~ compatible sQil properties for-average Gmax are included in Tables 2. 4. 2-1 and 2. 4. 2-2 for the free~ftt3ld,and containment_;. respectively.

h-1284622-23 05/10/79 042 SURRY POHER STATION,, UNITS 1 & 2 TABLE 2.4.2-1 STRAIN COMPATIBLE SOIL PROPERTIES Free Field Gmax DBE= 0.15g OBE = 0.07g Top Low Strain Total Shear Modulus Shear Modulus of Val.ues - Unit Ucsf) Damping llcsf) Damping Thick-Layer ness No.. (ft) Layer Gmax Cs wt Taft E1Centro Aver-Taft ElCentro Aver-Taft E1Centro Aver-.Taft E1Centro Aver-1 2 3 5 If, a g 10 11 12 Elev. (ksf}..lll!fil_ (kcf).:::S.;::;o.;;;:i=l~Un=it.:: S69E - N-S ~ S69E N-S ~ S69E N-S !!9!L_ S69E N-S !!9!L_ 21 +26 1585 25 +5 3310 20 -:-20 3310 25 -IJO 3310 25 -65 3310 33 -90 3530

  • . 2.3

-123 35JG 34 - -157 3530 . 45 -190 3530 45 -235 3530 50 -280 8225 50 -330 8225 .120 Pleisto-581 cene Clay .120 Pleisto-1859 cene Sand .120 Pleisto-793 cene Clay

  • . 110 Miocene Clay

.110 Miocene Clay

  • 120 Miocene.

ciay -* 12, Piocene Clay

  • 120 -' Miocene Clay 760 881 976 908 547 1746 766 797 895 909 B79 890

.120 Miocene Clay 871 843 .120 Miocene Clay 851J 742 .135 Eocene Sands 5q97 lt018 .135 Paleocene 4696 Sands 3309 564 .069 -072 .071 840 823 832 .051 .051 .051 1802 .071 .076 .074 2468 2380 2421l .044 .048 .046 780 -.070 .071 .071 1255 1201 1228 .052 .051J .053 778 .068 .* 067 .068 111;9 1155 1152 .053 .053 .053 888 .060 -.060 .060 1190 1261 1226 .050 .049 943 *.056 .058 .057 1476 1CJ05. 1441 .041 .0113 898 .055 .05~ -.056 1425 1323 1374 .0111 .0113 .042 899

053

.053 .053 1363 1301J il36 .040 .042 857 .051 .052 .052 1349 1341J 1347 .039 .039 .039 7!t8 .049 .053 .051 1298 1301 1300 .038 .038 .038 4758 .031l .051 .0"3 6459 6195 6327 .024 .027 .026 4003 .041 .059 .050 6105 51554 588-() .02(, .031 .029

. h-1284622-24 05/10/79 042 SURRY POWER *STATION* UNITS 1 & 2 TABLE 2.4.2-2 STRAIN COMPATIBLE SOIL PROPERTIES Reactor containment Gmax* DBE= 0.1~ OBE = 0.07g Top Low Strain Total Shear Modulus Shear Modulus Thick-

  • of Values*

Unit lltsf) .,Damoing 1Itsf) Da111Ding Layer_ness *.Layer Gmax Cs Wt. Taft ElCentro Aver-Taft ElCen.tro Aver-Taft ElCentJ:O Aver-Taft ElCentro Aver-

  • No *. (ft)

Elev. lksf)* ~ (kc£) Soil. Unit_S69E N-S ~-~ H-S ~S69E N-S ~S69E N-S ~ e 1 21 +26. 1073.1106 Structure .2 45 +5 1073.110ft Structure-3 25 -40 : 3310 *

.110 Miocene 720 728

.724

.012

.071 .. 072 1175 1138 1157 .051J .055 .055 Clay 4 25 '--65 3310 ,.no Hiocene 728 861

  • 795

.068 .062 .065 1121 1196 1159 .0,53 .051 .052 Clay ...

  • 5

. 33 -90 3530 .120* Miocene 959

  • 8.45 902

.058 .062 .060 11J23 1405 1411l.* 044 *..ou .044 Clay 6 33

  • -123. 3530

.120 Miocene 935 .881 '90.8-.oss .. 057 .05.6 1396 1299 131J8 .OIJ2. .04-5 .0114 Clay . 1. .. '34

    • .*.:.15;;
  • 3S3~
.120,,*filucen~

,on. 878 BS~ .CS'-,. .IJSS .055 1325 .1343 1331J .042

  • .0111.. *.042.

Cl.ay t, 853 1325 8

  • 45.,. -190 3530

.,20 Miocerie 799 826 *.* 053 .OS4 .* 054 *. 1318 1312 .OllO .040 .040 Clay e 9 45

..235 **. 3530

.120 Miocene 838

  • 751 79.5

.050

  • .053

.052 1284 1269 1277 .039 .039 .*.039 Clay 10 50 * * -280 8225 .* 135 Eocene 5430. 3937,.4684..035 .053 .044 6509 6239 6374 .024 .021 .026' Sands .11 '*SO*

..330. 8225

.us* Palf!OCene 4518 3225 .3872 .043 ..0611

.os2 6117

~721 5919 .026 .030 .029 Sands

SURRY. POWER STATION, UNITS 1 AND 2 TABLE 2-13 STRAIN COMPATIBLE SOIL PROPERTIES Reactor Contaimnent Average.Gmax + 561** (DBE} Average Gmax - 501 (DBE} Top Low Strain Tota1 ShearModu1us Shear Modu1us Thick-* of Va1ues Unit (ksf} DamEing** fksf} . Da!!!!ing Layer ness Layer Gmax Cs wt Taft E1Centro Aver-.Taft E1Centro Aver-Taft E1Cexttro Aver~ Taft E1Centro Aver- ~ . (fti E1ev. (ksf)..l!rua (kcfl Soi1 Unit S69E N-S ~ S69E N-S ~S69E N-S ~ S69E N-S ~ 1 21 +26 1073.1106 Structure e 2 ll5 +5 1073.1106 structure 3 25 -40 3310 .110 Miocene 1337 1255

  • 1296.

.064 .067 .066 310 330 320 .076 .on .075 ,. C1ay 4 25 -65 3310 .110 Miocene 1261 1278 1269 ~063 .063 .063 308 279 294 .072 .077 .075 C1ay 5 33

  • . -90. 3530
  • ,.120 Miocene 1549 1635 1592

.055 .053 .054 335 349. 3112 .068 .067 ~068 C1ay 6 33 ... 123 *3530 ~120.Miocene 1617 1478 1548 .051 .054 .053 333 299 316 .065 .069 .067 C1ay i21tt 1 . 34

.1!-l 3530

.12(, Y.io.:-sma 15511 1478 1518 .0.49. .051 .050 310 292 .063 .072. .068 Cli'\\y

9 45*

-190 3S30 .120 Miocene 1:;2c 1483 1505 .047. *~0*0 .048 305 209

    • 257

.061 .084 .073 C1ay 9 4S -235 3530 .120 Miocene

  • 14q9 1406 1428

.047 .0117 .047 Clay 10 50 '-280 8225

  • . 135
  • Eocene 8798.

7790. 8294

  • . 031

.038 .034 Sands '11

  • 50

-330 8225

  • .'135 Paleocene 791l1 6918 71l3()..035

.042 .039 Sands

SURRY POWER STATION. UNITS 1 AND 2 TABLE 2-111 STRAIN COMPATmLE SOIL PROPERTIES Free Field Average*Gmax + 501 CDBE) Average Gmax - 501 (DBE) Top*.. Low Strain Total Shear Modulus Shear Modulus Thick-: of Values Unit. &ksf). Damping lksf) . Da~ing Layer*ness ,_Layer Gmax Cs Wt .* Taft ElCentro Aver-Taft. ElCentro Aver-Taft ElCentro Aver-Taft ElCentro Aver-No. (ft) Elev. (ksf) J!e!!l_ Ckcf) Soi1 Uilit S69E. N-S ~ S69E N-S ~~ N-S ~-S69E N-S .!!9!L-1 21 +26..1585 .120 Pleisto-1058 1038 1048 .058 .059 .059 192 172 182 .090 .094 .092 e cene Clay 2 25 +5 3310 .120 Pleisto-* 3351 31119 3250 .05..

  • .060

.057 672 674 673 *.099 .098. .099 cene*s.and 3 20 -20

  • 3310

.120 Pleisto-11163 1367 1415 .062 .065 .064 334 359 347 .07& .0711 .075 cene Clay 4-25 -1to 3310 .110 Miocene

  • 1290 1263 1277

.0611 .065 .065 351 334 343 .070 .012 .071 ciay .5 25 '.'"65

  • 3310

.110* Miocene 1287 1330. 1309 .061..* 060 .061 323 329 326 *.010 .069 .070

  • Clay f,

33 -90 3530 .120 Miocene 1665 1656 1661.* 052

  • .052

.052 340 358

  • _3_49

.066 ~065 .066 Clay 7 33 *.. *.,.123 **. 3530 *.* .120 Miocene 1629 1475 1552..050 .053 .052_, 328 . 316 322...064 .065 .065

  • clay.

8 3'4* - : :-157.. 3530 .120 Mi,:,cene 1568 . 11l35

  • 1~02 *.049

.051 .050 3~7 271 299 .061 .en .066 e C.lay .9 45

  • -190. 3530

.120 Miocene 1531

  • 1426
  • 1479

.047 .049 .04.IJ 316 219 268 .059 .080 .070 Cl.ay 10 45 -235 3530 .120. Miocene 1455. 1412 11J33 .046 .o*n .o*n Clay '11 50 -280 8225 -135 Eocene 8723 7903: 831'3 .031

  • .037

.035 Sands 12 50 -330. 8225 .135 Paleocene 7953 6831 7392 .031J .* 043 .039 Sands

RESPONSE SPECTRA AT BASE OF CONTAINMENT SURRY POWER STATION - UNITS 1 AND 2 The ground response spectra at_ the ba_se 'of the reactor contain-ment structure were-calculated and plotted U8ing SHAKE. Th~ artificial earthquake developed for the Surry site was normalized to the Design Basis Earthquake (DBE) maximum acceieration of.15g and input at the ground surface of the free-field profile.* The earthquake motion was deconvoluted to the base of the profile and the computed motion at elevation -40 ft, the containment founding gi-ade, was used to calculate the real velocity and acceleration response _spectra and the tripartite plot of real displacement, pseudovelocity and psaudoacceleration vs. frequency. These spectra are plotted for dair::ning ratios of.5, 1.0, and J.O percent. Response *spectr.a were calculated for tr.ree soil profiles, represent-ed by the average low -strain shear modulus,,Gmax, calculated from seismic cross-hole surveys, Gmax plus 50%~ and-Gmax minus 50%.

  • The spectra for each soil profile are plotted on Figs *.3-3, 3'.""'.4,* and 3'.'"5 respect-ively.

Also plotted on these figures is the envelope for.5 percent damping, as presented on Fi~re 2~5~5° of the Surry 1_ arid 2 FSAR.

I:

e RUN NUMBER S1762941 061779 r! l'TI

r, -

C C ~ I'll n C z Cl ~ Q ....J,.~L-~_.:::.:::._u.~~~~:.LLL.L~:_~.:1..~~~~~::::ll.LI.-L...LJC.-::L.-~1--~~:_:::.:~::.i::::::~s:il'.-.LIL..1.i~ ARTIFICIAL* EQ. (DBEl-FREE FIELD FREF. f'lELD OECCHVOLUTEl-60XOttRX) SPECTRA FOR TOP OF LRYEft 4 ORtlP ING.'IALUfS l!l 0,1)06 t!> o.oio. A O ~030 FIGURE.3-3 GROUND RESPONSE SPECTRA AVERAGE Gmax SURRY POWER UNITS l & 2

,:r 111 IC C:

111

z:

n i... ~ e**** RUN NUMBER 51752940 051779 VELOCITY IINCHES/SECONDi ARTIFICIAL Ell FREE FIELD FREE FiELD DEC~NVOLUTEl+&ilZGIIAXl SPECTRA FOR.TOP OF LAYEi, 4 DA"PJNOYALUE8 m o.oo& c, 0.010 .& 0-030 . FIGURE 3-4 GROUND RESPONSE SPECTRA AVERAGE G11a.x +* 50% SURRY POWER STATION UNITS 1 & 2. 111 ':'II... 0 C en 111 n 0 :z: C Cl)

ii,

'"1 C C: z n -< - NI

  • e RUN NUHBER 61752942 061779 VELOCITY 1IHCHE8/8ECONDI ART EG!DBE>-FREE FJELD FREE. FIELD oEc.;~voLUTEIDftAXJ **

SPECTRA. FOR TOP OF LAYER,- 4. DANI' ING VALUES . l!l o.oos (!). 0,0\\0 a D,'o,o FIGURE 3-5

Ill...

. Cl Q n Cl z Q (I) GROUND RESPONSE SPECTRA __ AVERAGE ~-- _SO% ___ _ SURRI POWER STATION UNITS 1 & 2

. SURRY POWER STATION- - UNITS 1.AND 2 . STRUCTURAL DAMPING 5% DBE = FOR ALL CURVF.S SOIL-MATERIAL DAMPING LOW STRAIN G = '5% G + 50% FROM SHAKE FIRST ITERATION FROM SHAKE LAST' ITERATION FRO?-(SHAKE._ G - 50% FROM SHAKE EQUIPMENT. DAMPING ARS CURVES PROVIDED FOR EQUIPMENT. DAMPINGS OF.-0.5~, 1.()%, and J.0% USED OUTPUT VALUES FROM SHAKE RUN'

L 2.00 I.BO 1.60 1.40 <.!) ~ 1.20 0 ~ o:: 1.00 w ..J w u U 0.80 0.60 0.40 0.20 0.0 DAMP 0.5% 'I\\ ~ /. ~ \\_ A /';..,e'. ~ \\ V*\\" I \\"""'!* ~~. ~~ v,..:: I'.. . -(i\\ ~,. '::I ~ I'.

  • v

~' ~~- '-----* L...._......._.,,.,,,. _.J'W ~~: i,~* -~ 0.0 0.10 0.20 0.30 0.40 0.50 0.60 0.70 _0.80 0.90 1.00

  • 1.10 1.20 PERIOD-SECONDS LEGEND LOW STRAIN G FIRST ITERATION FROM 8HAKE LAST ITERATION FROM SHAKE S~ISMIC ANALYSIS OF CONTAINMENT t-)ORIZONTAL SSE HORIZONTAL RESPONSE SPECTRUM AT MAT

~URRY POWER STATION - UNITS I AND 2

2.00 I.BO 1.60 1.40 (!) ~ 1.20 0 1- <t o:: 1.00 w ..J w u* U 0.80 <{ 0.60 0.40 0.20 0.0 ~ " "" hr f<. ~ IJ~'j ~- ./ ~ rtt:Jt. :.r~ \\ DAMP 1.0% \\ J I'... 7 ~ ~ p ~ r,,-. /,,,.-...... ::::--... ~ -* ~ 1i----*-,-,_ - . 0.0 0.10 0.20 0.30 0.40 0.50 0.60 0.'?'0 0.80 0.90 1.00 1.10 1.20 PERIOD-SECONDS. LEGEND LOW STRAIN G FIRST ITERATION FROM SHAKE LAST ITERATION FROM SHAKE SEISMIC' ANALYSIS OF*CONTAINMENT HORIZONTAL SSE HORIZONTAL RESPONSE SPECTRUM AT MAT . SURRY PO'NER STATION-UNITS I AND 2 i

  • I

2.00 I.BO DAMP 3.0% 1.60 1.40 (!) I z 1.20 0 t- <( 0:: 1.00 UJ __J UJ u ~- 0.80 0.60 0.40 0.20 /'-U':'-L----:-= ~ ~. I~ ~ I~ ~;~ ~ -- P= -~....... ---*~ ~---* -~ 0.0 0.0 0.10 0.20 0.30 0.40 _0.50 0.60 0.70 0.80 0.90 1.00 1.10 - 1.20 PERIOD-_SECONDS LEGEND

LOW STRAIN G

FIRST ITERATION FROM SHAKE

-- * ~ LAST ITERATION FROM SHAKE SEISMIC ANALYSIS OF CONTAINMENT HORIZONTAL SSE HORIZONTAL RESPONSE SPECTRUM AT MAT SURRY POWER STATION-UNITS I AND 2

2.60...---.-----.-------....---~--------.---...---,-----,-----. 2.40 t----+----+---+----+----'---t-----t---*t----+---t------+----+---------1 DAMP 0.50% 2.20 t----+----+---+----t+--+----t-----t----1----,--+---t------+----+----t 2.00.__--+------+---i---+t-+--+----+---..... ---+-----+----t-----+-----,-1 1.80 t-----+-----+---+---t-t.-+---t-----+---1----'---t-----t---+----+-----t 1.60.__--+------+--+-llr+-t-+--+----+--- -+-------+---t------+-----'-1 <!) I z ~ 1.40 t----+----t---t-t-t-t--t-\\-+----t---+-------+---+-----t---+--,----t ~ I \\ ~* i:i:J t.20 ~ I\\ '~' I <t I I \\ I', ~i 1.00 1----+----l--+-t--...l-fl--l....a+--J'---++-+ ,t-+-+------lf+-l\\+----------~--------t 'V

f. I. I \\1~ \\ - '\\\\

~ ii i"'\\!~ l ~ \\ ~ 0.80 --f----.t+.:+-r1 ---"-~t+--. -1*,-+-\\-.

  • . -(~----:, -----'-------------1

, 1,* L 1, \\J * ~ ~* ~JI /~\\ ..,.J \\ ' 0.60 1-,---,---+----+-lc--t,i.il i--',rl'-l+t' 1~'f!~.__-+--,'-----fl<.~-tl---!----'---+------,t---+----t--------t

f/ i** HJ.

l fq I

f.

\\lr'-\\\\ ~* a.40 i---+----,t+i.1,,'1--+V+-t---,-'---t---+--+-_,,.__-t-___.k-+,t#"~~~... ~---. -+---+----;,. ~v ~~-~-~-~~~ 0.20 1-----1:..Q,-+-..... ~... --------+---+-----+---'----+----l---+-----+----t -.....J "-~* i;,11.!'liJ,- 0.0 ~_......_ _ o.o 0.10

  • 6.20
  • 0.3b
  • _ 0.40
  • o.50.* a.so rfro o.80 o.90 1.00 1.10 1.20 PERIOD-SECONDS LEGEND.

LOW STRAIN G

FIRST ITERATION.FROM SHAKE

-- * -- LAST ITERATION FROM SHAKE SEISMIC.*ANALYSIS *oF CON.TAINMENT HORIZONTAL sse: - HORIZON~fAL RESPONSE* SPECTRUM AT OPERATING FLOOR SURRY POWER STATION-UNITS 1 AND 2

2.00 1.80 1.60 1.40 (!) I z 1.20 0 1-- <t ' 0:: 1.00 w _J w <.) ~.0.80 0:60 .0.40 ,0.20 0.0 ~ r.J lJ I I J' r \\ ti \\ I ll /\\ *.,, .I.~ v* )Y ~-<r n \\ f, ~~ I f ,(~(\\ \\ \\. u I ' \\)~

V

~--------------, I I

r.

DA.MP 1.0% J

I

~J~ \\ I --.J "~ ~ '. ) ~., '~ .s* ., *-~ -- ---== 0.0 0.10 0.20 0;30.* 0.40 0.50

  • 0.60 0.70
  • 0.80 0.90 1.00.

1.10 1.20 PERIOD-SECONDS LEGEND LOW STRAIN G. _;_ --- FIRST ITERATION FROM SHAKE L*AST. ITERATION FROM SHAKE SEISMIC ANALYSIS OF. CONTAINMENT HORIZONTAL SSE. HORIZONTAL RESPONSE SPECTRUM AT. * ** OPERATING* FLOOR SURRY POWER STATION -UNITS I AND '2

2.00 1.80 1.60 _1.40 ' (!) I Z 1.20 0 -~ Cl:: LOO w _J w u ~ 0.80 . 0.60 0.40 0.20 0.0 0.0 DAMP 3.0°/o A /" \\ r\\ A 1r! /' ;~J ,.. ) \\ ~" r--,. I ),. I\\ ~.j'-** ~ ~ ~ 1(\\l r ~ \\:.,* /,....,,/ ~ 0.10 0.20 0.30 0.40 0.50 0.60 0.70. 0.80 0.90 1.00 I.IO

  • 1.20 PERIOD-SECONDS LEGEND

.,.......--- LOW STRAIN G - -- FIRST ITERATION FROM SHAKE LAST ITERATION FROM SHAKE . SEISMIC ANALYSIS OF CONTAINMENT HORIZ.ONTAL _*.SSE HORIZONTAL R.ESPONSE SPECTRUM AT.* -OPERATING FLOOR SURRY POWER STA'rlON-UNITS I AND 2

3,00 2.80 . 2.60 2.40 2.20 2.00 1.80 (!) I z 0.:: 1.60 <[ 0::: w ..J 1.40 w* u u <[ 1.20 1.00 0.80 0.60 0.40 ~ r'{ I~ I) Jn ' \\ I ~ f\\ l... \\ j,.._ J. ! \\ \\ l."' t' f\\ r ! ;'\\J 'l!f I. ~* DAMP 0.50% I A y, \\' ~ J I I 'I I ' I N I \\,, A.\\ I

  • \\ ~ r I \\ \\

I. V ~--' A ~. \\\\ \\J 'Q' \\\\ J \\\\\\.r i,,.., \\\\v I' ~- ./.. \\'l hi\\~ H'~ v -~ 0.20 :#r ,v 0.0 0.0 0.10 0.20 o.30 o.40 o:50 0.60. 0.10 o.eo 0.90 1.00 1.10 1.20 PERIQD.. SECONOS LEGEND --- LOW STRAIN G FIRST ITERATION FROM SHAKE

  • -*. LAST ITERATION FROM SHAK~

SEISMIC AN~LYSIS OF CONTAINMENT

  • HORIZONTAL SSE HORIZONTAL. RESPONSE SPECTRUM AT.

SPRINGL INE SURRY POWER STATION-UNITS 1 AND 2

2,00 1.80 1.60

  • . l.40

(!) I z 1.20 0 I- <( a:: 1.00 w .....I w 0 0 0.80 <( 0.60 0.40 j I I j I f,111'..., "J-' I ~, \\ ~ l

  • n

".1 \\ I\\ \\~ ! *~ .'1) I DAMP 1:0% t {. I I l ~.. I V' I I . \\ I . \\ 1 I .. (\\ -. ! \\] ~~ .~ l. "J ~- .*~ ~

i.

~,r \\

  • ~

'~ ~- ~ ~-* ~ ~~ jf\\/ ~~ 7 V j 0.20 0.0 0.0 0.10 0.20 0.30 LEGEND 0.40 0.50 0.60 0.70 PERIOD-SECONDS I 0.90

  • 1.00

. 1.10 LOW STRAIN G _____.:, FIRST ITE~ATION FROM SHAK~

LAST ITERATION FROM SHAKE '

SEISMIC ANAL vs*1s.OF CONTAINMENT HORIZONTAL SSE. HORIZONTAL RESPCN.SE SPECTRUM AT SRINGUNE SURRY POWER STATION -UNITS 1 AND 2 . 1.20

. 2.00 1.80 l.60 1!1-0 (.!) ~ _ 1.20 0 ~ a:: 1.00 . LaJ ...J w u u 0.80 <l 0.60 0.40 . 0.20 0.0 1 ) j I lh [.""I """' I ..::-~..rr* DAMP 3.0% A N l~- fl -'(') -;x*.. '\\ /\\. \\...... ' \\ ,..._J,.._ ~.J ~ ... - ~: r--.., II ~ ~ ~*. .y ~ '-'s ~ 0.00 0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.80 0.90 1.00 1.10 1.20 PERIOD-SECONDS LEGE-ND LOW STRAIN G FIRST ITERATION FROM SHAKE LAST ITERATION FROM SHAKE SEISMIC ANALYSIS OF CONTAINMENT HORIZONTAL SSE HORIZONTAL. RESPONSE SPECTRUM AT SPRINGL.IN£* SURRY POWER STATION-UNIT _1 AND 2

2.0 1.8 1.6 1.4 (!) I 1.2 z 0 I- ~ 1.0 w _J w u u 0.8 <( 0.6 0.4 0.2 M '\\ ~ '{' '~ '" 'r,l 1v' I I DAMP 0.5% /\\ A " 'µ,'\\\\J,,, ~-~ ~ 0 J,., -~ ~==--~-= ~---*

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~~ IJ""-' ~ ~v-""""' ~!'"- 0.0 0.0 0.10 LEGEND 0.20 o.3o 0.40 o.50 o.Go o.70 o.eio o.90 PERIOD-SECONDS 1.00 1.10

G +50% FROM SHAKE

- -- LAST ITERATION FROM SHAKE -- - -- G - 50% FROM SHAKE SEISMIC ANALYSIS OF CONTAINMENT HORIZONTAL SSE HORIZONTAL RESPONSE SPECTRUM AT MAT SURRY POWER STATION - UNITS 1 AND 2 1.20

2.00 1.80 1.60 1.40 ~ I 1.20 z 0 ~ a::: l. 00 w ...J w u o .80 <( .60 .40 .20 . 00 - J!' ~-!~~ .r J'"'.., I<,--

  • I

~~ ~ /\\]_ I 'J 'I. '-J J.,vr I ~-"-,,. r""'-' ' /*..._/ I I DAMP 1.00% ~ ~ ~ ~ ~*,'~ -~, .... __ *-----"'"--~. -~ 0.00 0.10 0.20 0.30 0.40 0.5p 0.60 0.70. o:so 0.90 1.00 1.10 1.20 PER IOD-SECON OS LEGEND

* G + 50 % FROM SHAKE LAST ITERATION FROM SHAKE G - 50 % FROM SHAKE SEISMIC ANALYSIS OF CONTAINMENT HORIZONTAL DBE HORIZONTAL RESPON3E SPECTRUM AT MAT SURRY POWER STATION - UNITS 1 AND 2

\\ 2.00 I.BO 1.60 1.40 . (!) I Z 1.20 0 1- <t ~ 1.00 _J w u ~ 0.80 0.60 0.40 0.20 o.o A ~ ~ ....... -.-, --~.... --- DAMP 3.0 o/o F>-- .~ I',.... I_.. ,*- '-:~: *--,-~

-~.C:...-:::. r:,:i".::..-- ~!"'- ----:::

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  • PERIOD-SECONDS LEGEND:

G + 50% FROM SHAKE

LAST ITERATION FROM SHAKE

-*-*--- G-50% FROM SHAKE SEISMIC ANALYSIS OF CONTAINMENT HORIZONtAL SSE HORIZONTAL RESPONSE SPECTRUM ATMAT SURRY POWER STATION-UNITS I AND 2

2.00

1. 80 1.60 1.40

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Z 1.20 0

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G + 50% FROM SHAKE LAST ITERATION FROM SHAKE G -

50% FROM SHAKE SEISMIC ANAL YSIS<OF CONTAINMENT HORIZONTAL SSE HORIZONTAL RESPONSE: SPECTRUM AT OPERATING FLOOR SURRY POWER STATION - UNITS 1 AND 2

.. ".. ~------- 2.00--------------------.--......... --...... ---.---.----.--- l.801------+---+----+---+----+---l----+----l-----+---+----+----t DAMP 1.0% 1.60t-----+---t-----+----,t-----+----~-----,--;~-----t-----+--- 1.401-----+---t----+---t----+------lf----+-----,f-----+---t----+---t (!) I 1.201------+---t-----+---t-----+-----if----+----+---+----+----,r-----f z 0 ~ f'\\ 0:: 1.001-----+---t-----+-----ll+--l-+-+----+------lf---~1'-----+----,f-----+---t---.,-i i O.BOt-----+---t-----+f"\\--i--V--+-fJ __ \\~l'-ti--A _ __,f\\-11-----,,*!----+------it-----+---t----t ~ ~ I\\,,,, ~ I~, r-1 I I\\ f \\ ! '\\. I/ 1 \\ 0.60-1---+---f+f.-,"4* v-1-~+-r-\\-ij'--+\\-+-,.J..--.Ao.~.+---"1'-J'rf<-*-_* ~~-1---\\-.1-;1-v-"'-~,-1--/.. -c_-*-+-,."--+----+----I 0401---~+-~H~f-ll---.l,l-\\[7'C/--"'---t~--,t-.-/-/~..-,.~"'.,~~ .* ~~1'-!r+.ii**f---r-f~~...3,,__~...__~t--~-+-~--i I '* *I 'Iii':~ ~ 'I""\\ /*v*,..... -~-- ~ 0 JJ J\\,_ 1 0,2 ~- r v ,1 \\' "'t"',',1 ' O.Q.____....._ __ __._.....,..~ 0.00 0.10 0.20 0.30 OM> 0.50 0.60 C.70 0.80 0.90 1.00 1.10 1.20 PERIOD-SECONDS LEGEND

G+50% FROM SHAKE

LAST ITERATION FROM SHAKE

-*-*- G-50% FROM SHAKE SEISMIC, ANALYSIS OF CONTAINMENT HORIZONTAL SSE HORIZONYAL RESPONSE SPECTRUM AT OPERt\\TI NG FLOOR SURRY POWER STATION - UNI TS 1 AND 2

~ 2.0 0 1.8 0 1.6 o~ 1.4 0 (!) I z 1.2 0 0 ~ a: 1.0 . ILi ....I ILi U 0.8 u c:r 0 0 0.6 0. 0.4 0 0.2 0 0.00 I V-v.'f .... ~.

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G+ 50% FROM SHAKE

LAST ITERATION FROM SHAKE

  • -*----* G-50% FROM SHAKE SEISMIC ANALYSIS OF CONTAINMENT HORI.ZONTAL SSE HORIZONTAL RF.SPONSE SPECTRUM AT OPERATING FLOOR SURRY POWER. 1STAT*ON-UNITS 1 AND 2

g.oo I. 8 0 1.60 1.40 C) . 2* 1.20 0 ~ a:: 1.0 0 lJJ _J lJJ (.) u 0.8 0 .. <t 0.60 0.40 0.20 o.o ]) ~~ J .,.r j l_k; J,',.., I \\I I

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G + 50%.FROM SHAKE LAST ITERATION FROM SHAKE

  • G-50% FROM SHAKE

.SEI.SMIC ANALYSIS OF CONTAINMENT HORIZONTAL *ssE HORIZONTAL RESPONSE SPECTRUM AT SPRINGUNE . SURRY POWF;*R-STATION UNITS 1 AND 2

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.1. 20 PERIOD:...SECONDS LEGEND

'-- G + 50 % FROM SH AKE

-- LAST ITERATION FROM SHAKE

  • -*-* -.
  • G-50% FROM SHAK_E SElSM-IC A[~ALYSIS OF CONTAINMENT HORIZONTAL SSE HORIZONTAL RESPCNSE SPECTRUM AT SPR INGLINE SURRY POWER STATION-UNITS 1 AND 2

2.00 1.80 1.60 1.40 . (!) I z 1.20 0

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.1.00 1.10 1.20 PERIOD-SECO NOS LEGEND G + 50 % FROM SHAKE LAST ITERATION FROM SHAKE G - 50% FROM SHAKE SEISMIC ANALYSIS OF CONTAINMENT HORIZONTAL *ssE HORIZONTAL RCSPONSE SPECTRUM . AT SPRING LINC: SURRY POWER S rA;TION-UNITS 1 AND 2

.,l "-~ cc,---------- . 2.00 1.8 0 1.6 1.4 (.!). I z 1.2 0 ~ 1.0 w .:.J w u U 0.8 <[ 0 0 0 0 0 0.6 0 OA 0 0.2 0 V 0.0 r J r I u \\ ~ \\ \\ l* o:oo 0.10 0.20 . o.30 o.40 o.so o.so 0.10 0.eo o.9o 1.00 1.10 1.20 . PERIOD-SECONDS SURRY CONTAINME~T ARS AT OPER. FLOOR HORIZONTAL DBE 0SC. DAMPING = 112 °/o.

  • LAST ITERATION.. '

PEAK BROADENED:t 15°/o SUR~Y POWER STATI0'\\1-IJNITS I AND 2

2.00 1.80 1.60 - 1:40 z 1.20 0 -~ a:: 1.00 w ..J w 8 0.80 <( 0.60 0.40 0.20 o.o --l W. r r-'" / \\ ,--J

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\\ - \\ \\ o.oo 0.10 0.20 -o.30 o.40 o.5o o.so o.~1*0 o.ao o.90 1.00 - 1.10 1.20 PERIOD.. SECONDS -_ -SlJR~Y CONTAINMENT ARS AT SPRiNGLINE HORIZONTAL DBE OSC. DAMPING = 1/2 % -LAST l,TERATION PEAK 'OROADENEO +/-15% SURRY POWER STATION - UNITS I AND 2 - I !}}

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