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1、、RCC-M2、3C3300RCC－M－C3300ASME--NCASME--UG-27。p0.385kSδ=pRi/kS-0.6p1p=kSδ/Ri+0.6δ2《》GB150p0.4kSδ=pRi/kS-0.5p3p=kSδ/Ri+0.5δ4CODAP-90GB150。GB150。CODAP-90δ/Do0.32。p0.381kSRCC-M-C3300、ASME--NC、ASME--UG-270.385kS。kS-0.6pkS-0.5p。。。。22.1pMPaδmmδnmmRimmRommDimmDommK=Do/DiσMPaσσtSMPakGB150Φ2.2DoDiK。K=Do/Di≤1.2。Do/Di＞1.2。。。KASME--NC、ASME--UG-27RCC－M－C3300GB1503.4%。4··74。6)。。。。2.2。、、。。、。。。。。。。。。。。。。、。2.3。δ=pDi/2kS5p=2kSδ/Di6p/kS=K-1kS/p=1/K-172.4RCC-M-C3320δRi/2p0.385kS。。。1、1RiRorpipo,σr,σt。、σrr=Ri=-piσrr=Ro=-po88。σrσtσr=Ri2pi-Ro2po/Ro2-Ri2-pi-poRi2Ro2/r2Ro2-Ri29σt=Ri2pi-Ro2po/Ro2-Ri2+pi-poRi2Ro2/r2Ro2-Ri210σr+σt=2Ri2pi-5··20092Ro2po/Ro2-Ri2,。po=0σr=Ri2pi/Ro2-Ri21-Ro2/r211σt=Ri2pi/Ro2-Ri21+Ro2/r2121-Ro2/r21+Ro2/r2σrσt。r=Riσtσtmax。σtmax=piRi2+Ro2/Ro2-Ri2=2pi/K2-113Ro/Ri=Kσtmax=piK2+1/K2-114σtmaxRiσtmaxRo。σt。r=Roσtσtmin。σtmin=2Ri2pi/Ro2-Ri215Ro/Ri=Kσtmin=2pi/K2-116σtσtmax/σtmin=K2+1/217。σt。σtmin100Ro=1.1Riσtmaxσtmin10.5%。Ro≈RiRi2+Ro2=2Ri2Ri+Ro=2Riσtmaxσtminσtσt。σt=piRi/Ro-Ri=pi/K-118185～7。2.52.5.114σtmax5:σtmax/σt=1+K2/1+K19σt100K=1.1,σtσtmax5%,K=1.210%。K=1.523%。。。5。δ=pDi/2Sk5DiDiDi,。po=0pipi=p。2.5.2RCC-M-C3300ASME--NC7kS/p=1/K-10.67:kS/p=1/K-1+0.620:p/kS=K-1/0.6K+0.421Do/Di=K20RCC-M-C3300ASME--NC1。5δ=pDi/2kSDm1=20.5Di+0.6δDiδ=p20.5Di+0.6δ/2kS。1δ=pRi/kS-0.6p。K=1.5δ=0.5Rip=0.385kS。δ0.5Rip0.385kS。。2.5.3GB150GB150Dm=Do+Di/2δ=pDi/2SkDiDm1=20.5Di+0.5δ5Di,3:δ=pDo+Di/4×kS=pRi/kS-0.5pK=Do/Di3kS/p=K+1/2K-122p/kS=2K-1/K+123δ=0.5Ri3p=0.40kS。δ0.5Rip0.40kS。RCC-M-C3300ASME--NC200.60.5,,GB150,5Di。2.5.4RCC-M、ASME-GB150,6··74σσσσσσ5Di,。GB150RCC-M-C3300ASME--NC0.6×2=1.2Di,。RCC-M-C3300ASME--NCGB1500.20.1。RCC-M-C3300、ASME--NCGB15014σtmax2022kSσ。RCC-M-C3300、ASME--NCσσtmaxσ/σtmax=K+10.6K+0.4/K2+124GB150σσtmaxσ/σtmax=K+12/2K2+125σtσtmax11Kσσtσtmax。,σtσtmax。K≤1.5ASME--NCRCC-M-C3300σ1%GB150K=1.2,σσtmax0.8%δ/Ri=0.5K=1.5,GB150σσtmax3.815%。δδn、。3K。ASME--NC、ASME--UG-27、RCC－M－C3300GB150。。。。、。。[1]ASMEBOILER&PRESSUREVESSELCO-DE--2004-RULESFORCONSTRUCTI-ONNUCLEARFACILITYCOMPONENTS[2]ASMEBOILER&PRESSUREVESSELCO-DE--2004-RULESFORCONSTRUCTI-ONOFPRESSUREVESSELS[3]RCC-M-2000DESIGNANDCONSTRUCT-IONRULLSFORMECHANICALCOMPON-ENTSOFPWRNUCLEARISLANDS[4]GB150-1998[5]CODAP-1990FRENCHCODEFORCONS-TRUCTIONOFUNFIREDPRESSUREVES-SELS[6]S.1964[7]2005[8]GB150-897··