FPSO典型焊接节点残余应力试验研究  

Experimental study of typical welding joints of FPSO

作　　者：卫涛[1] 李良碧[1,2] 蒋文进 周宏[1,2] 

机构地区：[1]江苏科技大学船舶与海洋工程学院,江苏镇江212003 [2]江苏现代造船技术有限公司,江苏镇江212003

出　　处：《江苏科技大学学报（自然科学版）》2015年第2期128-130,共3页Journal of Jiangsu University of Science and Technology:Natural Science Edition

基　　金：国家自然科学基金资助项目(51109110;51479084);江苏省自然科学基金资助项目(BK2011508)

摘　　要：高强度钢材料对焊接残余应力非常敏感,严重影响FPSO的安全可靠性,因此有必要对FPSO典型焊接节点的残余应力进行分析研究.文中选取能代表FPSO典型焊接结构形式的一种焊接节点进行试验研究,采用X射线无损检测法,对典型焊接节点的残余应力进行试验测量.根据试验测量结果,分析了FPSO典型焊接节点的残余应力分布规律.High strength steel material is very sensitive to the welding residual stress , and it seriously affects the safety and the reliability of FPSO .So research of the typical welded joints of FPSO structure is necessary .In the paper , a typical welded joint of FPSO is selected , its welding residual stresses are measured with X -ray nonde-structive method , and the distribution of the welding residual stresses of the typical welded joints of FPSO struc -ture are analysed based on the experimental results .

关 键 词：FPSO 焊接节点 残余应力 

分 类 号：U671.8[交通运输工程—船舶及航道工程]