摘要
利用有限元软件对加劲肋加强的K形箱型节点在一侧支管轴向受拉一侧支管轴向受压作用下的极限承载力进行了研究,在现行钢结构设计规范中关于直接焊接相贯节点极限承载力公式的基础上引入加劲肋对节点极限承载力加强部分NS,建立了加劲肋加强K形箱型节点极限承载力设计公式。分析结果表明:随着τ的增加,K形箱型节点极限承载力提高部分NS显著增加;η的增加能显著提高K形箱型节点的极限承载力提高部分NS;β对K形箱型节点极限承载力提高部分NS的影响较小。
Nonlinear finite element analysis of the ultimate strength on tubular K-Joints which one side bearing tension and one side bearing pressure is carried out based on the design formula of unreinforced tubular K-joints in the code for design of steel structure, parameter NS has been used to evaluate the ultimate which one side bearing tension and one side bearing pressure of reinforced K-joints. From the analysis result, the following conclusions can be obtained: with the increase of t, the ultimate bearing capacity of K-type box nodes will also increase, with an increase of about 30%. The increase of η can also significantly increase the ultimate bearing capacity of K-type nodes;b has less effect on N_S.
作者
袁西贵
刘远征
王旭
袁波
Yuan Xigui;Liu Yuanzheng;Wang Xu;Yuan Bo(Business Administration and Real Estate Branch,Chengdu Polytechnic,610000,Chengdu,China;Space Structures Research Center,Guizhou University,550003,Guiyang,China)
出处
《应用力学学报》
CAS
CSCD
北大核心
2019年第6期1384-1389,I0009,共7页
Chinese Journal of Applied Mechanics
基金
国家自然科学基金(51168010)
