宁磊;雷宏刚;闫亚杰;

• 1:太原理工大学建筑与土木工程学院

摘要(Abstract)：

针对钢结构设计规范八类构造细节中的三面围焊直角焊缝的应力集中问题,采用ABAQUS软件进行有限元计算,得出钢结构构件的整体应力集中分布,并探讨该类连接节点在改变角钢厚度、钢板厚度和焊脚尺寸等单因素,以及钢板厚度和角钢厚度共同作用时,应力集中系数的变化规律。结果表明:随着钢板厚度的增加,应力集中系数逐渐减小;钢板厚度增加到一定程度时,应力集中系数趋于稳定;随着角钢厚度的增加,应力集中系数逐渐增大;随着焊脚尺寸的增大,应力集中系数总体呈下降趋势;随着钢板厚度与角钢厚度比值的增加,应力集中系数逐渐减小,比值增加到一定程度后,应力集中系数趋于稳定。

关键词(KeyWords)： 钢结构;三面围焊直角焊缝;有限元法;应力分布;应力集中系数;钢板厚度;角钢厚度

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金资助项目(51578357)

作者(Author): 宁磊;雷宏刚;闫亚杰;

Email:

DOI:

参考文献(References)：

• [1]雷宏刚,姜丽云.钢结构设计基本原理[M].北京:科学出版社,2006:35-40.LEI Honggang,JIANG Liyun.The basic principle of steel structure design[M].Beijing:Science Press,2006:35-40.(in Chinese)
• [2]王凤蕊.角钢三面围焊设计理论方法的完善[J].江汉石油学院学报,1992,14(3):71-75.WANG Fengrui.Perfection of theoretical method for welding of three-side welded[J].Journal of Jianghan Petroleum Institute,1992,14(3):71-75.(in Chinese)
• [3]韩青,白国强,贾宗明.简化力学模型的三面围焊计算方法[J].工程建设与设计,2012(12):61-63.HAN Qing,BAI Guoqiang,JIA Zongming.Three side weld welding method for simplified mechanics model[J].Engineering Construction and Design,2012(12):61-63.(in Chinese)
• [4]王新峰,唐琰,刘军.基于ANSYS的三面围焊直角焊缝应力分析及焊缝长度比例优化[J].焊接技术,2015,44(1):69-73.WANG Xingfeng,TANG Yan,LIU Jun.Stress analysis and weld length ratio optimization of right-angle welds based on ANSYS[J].Welding Technology,2015,44(1):69-73.(in Chinese)
• [5]王新峰,贡小庚,林春明.集中载荷作用下三面围焊直角焊缝中正面焊缝应力最大值的预测模型[J].北京理工大学学报,2014,34(10):1002-1006.WANG Xinfeng,GONG Xiaogeng,LIN Chunming.Prediction model of maximum stress of frontal weld seam in rectangular welds of three-side welded by concentrated load[J].Journal of Beijing Institute of Technology,2014,34(10):1002-1006.(in Chinese)
• [6]航空工业部科学技术委员会.应力集中系数手册[M].北京:高等教育出版社,1990:3-6.Ministry of Aviation Industry Science and Technology Commission.Stress concentration factor manual[M].Beijing:Higher Education Press,1990:3-6.(in Chinese)
• [7]KANVINDE A M,GOMEZ I R,ROBERTS M,et al.Strength and ductility of fillet welds with transverse root notch[J].Journal of Constructional Steel Research,2009,65(4):948-958.
• [8]于有生,卢伟.对接接头工作应力分布及其应力集中系数的研究[J].武汉理工大学学报,2005,29(1):123-125.YU Yousheng,LU Wei.Study on stress distribution and stress concentration coefficient of butt joint[J].Journal of Wuhan University of Technology,2005,29(1):123-125.(in Chinese)
• [9]GB 50017—2003.钢结构设计规范[S].GB 50017—2003.Specification for steel structure design[S].(in Chinese)
• [10]王玉镯,傅传国.ABAQUS结构工程分析及实例详解[M].北京:中国建筑工业出版社,2010:52-56.WANG Yuzhuo,FU Chuanguo.ABAQUS structural engineering analysis and examples[M].Beijing:China Construction Industry Press,2010:52-56.(in Chinese)
• [11]李莹,黄侨,唐海红.焊接工字梁应力集中的有限元分析[J].哈尔滨工业大学学报,2008,40(12):1999-2002.LI Ying,HUANG Qiao,TANG Haihong.Concentrated stress beam welder finite element analysis[J].Journal of Harbin Institute of Technology,2008,40(12):1999-2002.(in Chinese)