ML19323F461

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Slide Presentation Entitled, Reactor Vessel Asymmetric Pressure Loads, from 800507 Meeting W/Util
ML19323F461
Person / Time
Site: Fort Calhoun Omaha Public Power District icon.png
Issue date: 05/07/1980
From:
ABB COMBUSTION ENGINEERING NUCLEAR FUEL (FORMERLY
To:
Shared Package
ML19323F456 List:
References
NUDOCS 8005290048
Download: ML19323F461 (37)


Text

{{#Wiki_filter:0 s O ENCLOSURE 2 SLIDES PRESENTED IN MAY 7, 1980 MEETING WITH OPPD k l i l 8 0052 90 M

i s . REACTOR VESSEL ASYMMETRIC PLANT PRESSURE LOADS GEOMEIRY 1r SS AND CALCULATE EVALUATE ENERGY i SUB- 4 FOUNDATIONS RELEASES , CoMPAR ENT AND WALLS pR g E JL g 0 N EVALUATE LOADS SUPPORTS START DEFINE y DESCRIBE PIPE ECCS PIPING BREAKS GEOMETRY 1 r 1 r 9 1r OEFINE DEFINE PLASTIC BEHAV1080p STRUCTURAL DETAIN . E CCS PtPl44 FOUNDATION -D RCS COMPONENT-# ANALYSl$ -# Colo LEG -5 4 BCC$ PIPlNG PREPARE PROPERTIES -.D SUPPORTS OF RCS PIPE MOTION ANALYSIS BVALUATION REPORTS d L d b 7i JL JL JL OBTAIN 3 5 VESSEL ' -# W MOTION T r M .CliL'ATi';

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STRUCTURAL ANALYSIS OF FORT CALHOUN REACTOR COOLANT SYSTEM REACTOR MODEL PLANT SPECIFIC REACTOR IHTERNALS MODEL PLANT SPECIFIC THRUST & JET IMPINGEMENT FORCES PLANT SPECIFIC SUBCOMPARTMENT PRESSURES PLANT SPECIFIC INTERHAL ASYMMETRIC LOADS SCALED FROM GEliERIC , 1 l

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i CIRCUMFERENTIAL CRACK OPENING 30". DIN 4ETER TERMINAL END - . CRACK INCLUDED FLOW FLOW RATE (GPM) LENGTH ANGLE AREA Co = .6 CD = .3 OIJ') 8' 300 (.001) 1

                                                                                                                                                          . 5 16"                                 600                      (.010)                                10                                                 5                     ,1 20"                                 750                          .04                               40                                              20 24"                                 900                          .10                             100                                               50 32"                            120                               .40                        \a00                                                 200 g-e                                                                                                  O
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( + 0 0 G PM) l 40 G PM N ,

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                                                    *                                                                         >+ 0 YEA RS CRITIC A L LENGTH N                                                                       .

F , ( DURING SS E) l q. 240 1 i s

                                                                                                                                                                       )

j l 3 0 " D I A f1 E TE R COLD LEG TERnlNAL END C I R C.UMF E R EN TI A L CRAcx O PE N IN Cr

FFACTURE MECHAMICS EVAL.uATION OF FORT CALHOUN COLD LEG SAFE END I. DATA BASE - 1/2 CIRCUMFERENTIAL CRACK . MATFRIAL SA,516 GR70

                                                        ~~ 2000    M
                             ,                    JIC IN2
  • BASED Oil PRECRACKED INSTRUMEi1TED CHARPY (K IC % 250 KSI )

t/lif PIPE 30" ID, 2.5" THK A. " FREE" PIPE OPEllINGARgA JI SUDDENLY APPEARING CRACK (DYNAMIC) 5. 3 Ill 1250 "LEAKIHG" CRACK (STATIC) 2.6 IN 2 B. SAFE END IN SYSTEM - L/ID RATIO = 7.7 OPENING AREA

                                                                    ~                JI 6' LEAKING" CRACK (STATIC)                     1.36 IN2           325 SUDDENLY APPEARING CRACK W/SSE (DYNAMIC)       1.65 IN2 '         440' l
         ' MAXIMUM OPENING AREA AND J I DUE TO PRESSURE ARE LARGER BUT
    -      BY THE TIME SEISMIC LOADINGS ARE TRANSMITTED DYNAMIC EFFECTS DUE TO PRESSURE HAVE CEASED.

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2 1 - , , B T ~SA-l82. P-3/6 ASTN1 AAsl

SA s o 8-64 g4 c e PBM --J &
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                                       =T C ALH oo A)                R\/ lpWT                        No&W REGION i

P O W F- H I 1. "' " ~ ' l *- - SYSTEMS - ca aro. teim,<. ..c

                                                                                                              --*                                                                        ,                   Cakwletaan Number                                                                            Rev.
                                                                                                     ~ .:

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a = HALF CRACK LENGTH - i -

                                                 ~           ~
                                                         -.                    ,           '., GEbMETRY OF PIPE WITb HYPOTHETICAL l{hL.E' C IPluM6%euh.T C.BAC.K                                                                                                                                                                             -
                                                                   .                                                                                                                 .,                .                                                  ?..:

1

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i . . . 1 . . W. . m -

I'I . PROPOSED ANALYSES - " FREE PIPE - 1/2 CIRCUMFEREliCE CRACK , A. MATERIAL - SA516 GR70 IR-LB JIC= 2000 IN2 PIPE 24" ID, 2.4" THK 0PEilING AREA Ji SUDDENLY APPEARING CRACK (DYNAMIC)

                     *TO BE CALCULATED COMPARE A                 J 24,[A30"           I(24")[JI (30")        JI (24")         J IC B. MATERIAL SA-182 F316 J IC - TO BE OBTAINED FROM PRECRACKED CHARPY OPENING AREA               J i

SUDDENLY APPEARING CRACK (DYNAMIC) + +

                     +TO BE CALCULATED COMPARE    J i J IC C. 24" SAFE END IN SYSTEM             L/ID RATIO = 8.6
                   , APPLY RESULTS OF STUDY OF 30" PIPE Ill SYSTEM TO 24" PIPE.

DESIGil BASIS: 0.~1 AREA CRACK WITH CPEillilG TIME = 12 M SEC. l

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                                                   .                                                                                   ~
                                           ) l GPt1 10 GPM N 40 GPM                                                                152*
                                                ,                                                                       (400GPM)
                                                                                                   \                               '

l 1

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F 2 9' D I A P', E TE R C IR CUM F E R EN TI A L CRACK , o 4 ( I 9 6

                                                                                      )                           .

4

STRUCTURAL EVALUATION (JULY 1 REPORT) RCS AllALYSIS THRUST FORCE =- 0.1 x EXISTING

                                            =

SUBC0f1PARTiiENT PRESSURE 0.2 x EXISTIi1G (HORIZONTAL)

                                            =

0.4 x EXISTING (VERTICAL) INTERHAL HYDRAULICS = EXISTIllG RV INTERilALS & FUEL - EXISTI'-lG (2A) BREAK i 9 1

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