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Elasto-Plastic Behaviour on Column-to-Beam Joint Panel under Two Direction Shear force

双向剪力作用下柱梁节点板的弹塑性行为

基本信息

批准号：
13450224
负责人：
TABUCHI Mototsugu
金额：
$ 4.8万
依托单位：
Kobe University
依托单位国家：
日本
项目类别：
Grant-in-Aid for Scientific Research (B)
财政年份：
2001
资助国家：
日本
起止时间：
2001 至 2003
项目状态：
已结题

来源：
https://kaken.nii.ac.jp/en/grant/KAKENHI-PROJECT-13450224/
关键词：
Joint panel Square hollow section Circular hollow section Space assemblage test Shear strength Finite element analysis Panel aspect ratio Axial force ratio 柱梁接合部パネル 2方向加力角形綱管全塑性せん断耐力実大実験

项目摘要

This report presents the results of experimental and analytical study on the shear behavior of hollow section column-to-H beam joint panels subjected to two direction force in space assemblages. Ten Tests were carried out using connection assemblages subjected to cyclic lateral loading. Test specimens are as follows :1. Five space assemblages with square hollow section panel: aspect ratio = 1.0, 1.5, 2.0, axial force ratio =0, 0.25, 0.52. Three plane assemblages with square hollow section panel: aspect ratio = 1.0, 1.5, 2.0, axial force ratio =03. Two space assemblages with circular hollow section panel: aspect ratio = 1.5, axial force ratio =0, 0.5The following conclusions can be made :1. The shear strength of the joint panels subjected to two directions force is more than it of the joint panels subjected to one direction force.2. In the case of plane assemblages subjected to one direction force, the aspect ratio of joint panels has no influence on the shear strength of the joint panels. On the other hand, in the case of space assemblages subjected to two directions force, the shear strength decreases as the aspect ratio of joint panel, because bending moment of the joint panels affects the distribution of the shear stress.3. The lowering ratio of shear strength with the increasing ratio of the aspect ratio in the case of circular hollow section panels is less than it in the case of square hollow section panels.4. The beam webs connecting the joint panels reduce the axial force of the joint panels. So, the axial force ratio of the joint panels in space assemblages is less than it in plane assemblages.

本报告介绍了空间组合中空心截面柱与 H 梁接头板在两个方向力作用下的剪切行为的实验和分析研究结果。使用承受循环横向载荷的连接组件进行了十次测试。测试样品如下： 1．方形空心型材五空间组合体：长宽比=1.0、1.5、2.0，轴力比=0、0.25、0.52。方形空心截面板的三个平面组合体：长宽比=1.0、1.5、2.0，轴力比=03。圆形空心截面板的两个空间组合体：长宽比=1.5，轴力比=0、0.5可得出以下结论： 1．受两个方向力作用的接缝板的抗剪强度大于受一个方向力作用的接缝板的抗剪强度。 2．在平面组合体承受单向力的情况下，接缝板的长宽比对接缝板的抗剪强度没有影响。另一方面，在空间组合体受到两个方向力的情况下，由于节点板的弯矩影响了剪应力的分布，剪力强度随着节点板的高宽比而减小。 3．圆形空心型材板的抗剪强度随长宽比的增加而降低的比例小于方形空心型材板。 4．连接节点板的梁腹减小了节点板的轴向力。因此，空间组合体中节点板的轴力比小于平面组合体中的节点板的轴力比。