浦东国际机场钢屋架上弦主梁的残余应力测定与分析  

ANALYSIS OF RESIDUAL STRESSES IN GIRDER OF Pu-Dong INTERNATIONAL AIRPORT ROOF TRUSS

作　　者：杨于兴[1] 张榴凤[1] 

机构地区：[1]上海交通大学国家教委高温材料及高温测试开放实验室,上海200030

出　　处：《理化检验（物理分册）》1999年第8期351-353,共3页Physical Testing and Chemical Analysis(Part A:Physical Testing)

摘　　要：利用X射线应力测定技术对浦东国际机场钢屋架上弦主梁的残余应力进行现场测定。简要阐明了造成不同焊缝应力分布的原因及火工校弯成形工艺对构件残余应力分布的影响。Residual stresses in girder of Pu-Dong international airport roof truss is measured by X-ray technique. The reasons for different mode of welding residual stress distribution and influence of flame curving on steel structure are discussed.

关 键 词：X射线应力测定 焊接应力 热应力 钢屋架 

分 类 号：TG404[金属学及工艺—焊接] O348.6[理学—固体力学]