含缺陷钢结构焊接接头检测与评估

doi:10.3901/JME.2021.24.223

机械工程学报 ›› 2021, Vol. 57 ›› Issue (24): 223-232.doi: 10.3901/JME.2021.24.223

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含缺陷钢结构焊接接头检测与评估

谢琦¹, 王娜², 杨雅静², 段斌¹, 马德志¹, 有移亮², 吴素君²

1. 中冶建筑研究总院有限公司北京 100088;
2. 北京航空航天大学材料科学与工程学院北京 100191

收稿日期:2021-01-11 修回日期:2021-08-14 出版日期:2021-12-20 发布日期:2022-02-28
通讯作者: 有移亮(通信作者),男,1979年出生,博士,副教授。主要研究方向为机械(电)装备失效分析、安全评价、健康监测。E-mail:yyl@buaa.edu.cn
作者简介:谢琦,男,1972年出生,硕士,教授级高级工程师。主要研究方向为钢结构焊接及缺陷无损探伤检测。E-mail:xieqi72@126.com
基金资助:
国家钢结构工程技术研究中心开放基金资助项目（2016YZBKy02）。

Detection and Evaluation of Welded Joints of Steel Structures with Defects

XIE Qi¹, WANG Na², YANG Yajing², DUAN Bin¹, MA Dezhi¹, YOU Yiliang², WU Sujun²

1. China Metallurgical Construction Research Institute, Beijing 100088;
2. School of Materials Science and Engineering, Beihang University, Beijing 100191

Received:2021-01-11 Revised:2021-08-14 Online:2021-12-20 Published:2022-02-28

摘要/Abstract

摘要： 由于焊接热过程的作用，焊接接头较容易产生组织性能劣化、残余应力、应力集中以及各种焊接缺陷。焊接缺陷的存在严重影响了焊接结构件的质量和安全使用，因此对含缺陷焊接接头进行安全性评估具有重要的工程应用价值。基于综合考虑含缺陷焊接接头的缺陷检测手段和BS 7910缺陷规则化表征处理的方法，对BS 7910中失效评估图的级别以及相应级别下针对含缺陷焊接接头评估点坐标确定过程中所涉及的应力种类和修正因子进行探讨，为工程实际利用BS 7910对焊接接头进行评估时的缺陷检测手段选择、缺陷规则化表征处理以及失效评估图级别的选择、评估点坐标的确定提供参考。

关键词: 缺陷检测, BS 7910, 缺陷规则化表征, 失效评估图

Abstract: Due to the welding heat process, the welded joints tend to have deterioration of structural properties, large welding residual stress, stress concentration and various welding defects. The evaluation of the safety of the welded joints with defects has important engineering application value for ensuring the safe use of the welded structure. Based on the existing methods for detecting defects in defective joints and the method of regularized characterization of defects according to BS 7910, the level of failure assessment diagram in BS 7910 and the types of stresses and correction factors involved in the determination of the coordinates of the evaluation points of defective joints are introduced. Reference is provided for the selection of defect detection methods, the processing of regularized characterization of defects, the selection of failure assessment diagram level, and the determination of the evaluation point coordinates for the actual evaluation of the welded joints by BS 7910.

Key words: defect detection, BS 7910, regularized characterization of defects, failure assessment diagram

中图分类号:

TG441

谢琦, 王娜, 杨雅静, 段斌, 马德志, 有移亮, 吴素君. 含缺陷钢结构焊接接头检测与评估[J]. 机械工程学报, 2021, 57(24): 223-232.

XIE Qi, WANG Na, YANG Yajing, DUAN Bin, MA Dezhi, YOU Yiliang, WU Sujun. Detection and Evaluation of Welded Joints of Steel Structures with Defects[J]. Journal of Mechanical Engineering, 2021, 57(24): 223-232.

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含缺陷钢结构焊接接头检测与评估

Detection and Evaluation of Welded Joints of Steel Structures with Defects

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