大型焊接结构焊缝裂纹尖端张开位移试验研究  

Study on Welded Joints of Large Structure for Crack Tip Open Displacement

作　　者：余启明[1] 孙清华 何晓鸣[1] 张智[1] 

机构地区：[1]武汉工业学院土建学院,武汉430023 [2]武汉市公路勘察设计院,武汉430051

出　　处：《水科学与工程技术》2012年第2期31-33,共3页Water Sciences and Engineering Technology

基　　金：国家自然科学基金(51009111)

摘　　要：对大型焊接结构焊缝进行了裂纹尖端张开位移(CTOD)断裂韧度试验,测试了其焊缝的CTOD特征值,得出相应的结论。Based on BS7448 fracture toughness test experiment standard and DNV-OS-C401, the analysis of the welded seam of structure is extended to three point bending specimen with a center crack were carried out, the CTOD value of the welded zone were obtain.

关 键 词：Q420qE 裂纹尖端张开位移(CTOD) 断裂韧性 

分 类 号：TV34[水利工程—水工结构工程]