The linear inner defect tolerances corresponding to the safety graduations are stipulated in " in use pressure vessel inspection stipulation",item 36,table 3.
《在用壓力容器檢驗(yàn)規(guī)程》第36款表3規(guī)定了相應(yīng)安全等級(jí)的線性埋藏缺陷容限,本文運(yùn)用《CVDA—84壓力容器缺陷評(píng)定規(guī)范》,對(duì)其它一切條件不變而只有應(yīng)力水平發(fā)生變化時(shí)相應(yīng)安全等級(jí)的缺陷容限的變化量和變化規(guī)律作初步探討,希望對(duì)表3從強(qiáng)制性規(guī)定轉(zhuǎn)為指導(dǎo)性條款起一定的參考和促進(jìn)作用。