含未焊透缺陷工业管道的强度分析与安全评定.pdf

28 1 Vol. 28 No. 1 2010 2 L igh t Ind ustry M ach in ery Feb. 2010 [ # ] DO I: 10. 3969 / j. issn. 1005-2895. 2010. 0 1. 026 1 2 1 1 1 1 , , , , , ( 1. 浙江大学 化工机械研究所, 浙江杭州 3 10027; 2. 金华市特种设备检测中心, 浙江金华 32 1015) : 256 4 , , / / 通过强度校核和 全评定结果表明: 在低应力情况下, 上述 4 级未焊透缺陷不影响管道的 全运行, 指 出了5在用压力管道定期检验规程6 全状况等级划分方法的保守性, 对于最大限度地发挥在用工业管道的使用效能 提高 全监管的科学性和有效性具有重要意义图 11表 7 参 8 : 压力管道; 全评定; 强度分析; 未焊透缺陷; 4 级压力管道 : TH 49 : A : 1005-2895( 2010) 01-0094-06 Strength Analy sis and Safety A ssessm en t for Indu strial P ipes Scored Con ta in ing In com p leteW elding D efects 1 2 1 1 1 1 WANG X iao-fang , WENG D i, JIN Zh-i jiang , CHEN Po , JIANG Cheng-hang , WAN X ian-p ing ( 1. Ititute of Process Equ ipm ent, Zhej iang Un iversity, H ang hou 310027, Ch ina; 2. Jinhua Spec ial Equ ipm ent T esting Center, Jinhua 3210 15, Ch ina) Abs tract: The strength of f ailure industrialp pi es containing incomp letewelding def ects scored 4 degree by regular insp ect criterionf or in-service industrial p pi elinesf inite-element streng th value has been calculated and checked w ith design by analysismethod, m eanwh ile, their saf ety are assessed by the saf ety assessm entmethodf orpressurep ipe containing incomp lete w eld ing dfe ects based on combi