交叉加劲钢板剪力墙弹性屈曲研究  

Elastic buckling Behavior of Diagonally Stiffened Steel Plate Shear Wall

作　　者：李卫宇 李生辉[2] 张明坤[2] 王潭潭[2] 黄进华[2] 

机构地区：[1]中国煤炭科工集团重庆设计研究院,400016 [2]西安建筑科技大学土木工程学院,710055

出　　处：《特种结构》2012年第1期19-22,61,共5页Special Structures

摘　　要：用有限元方法对交叉加劲钢板剪力墙的弹性屈曲性能进行了研究,重点研究了加劲肋与墙板的刚度比、墙板高厚比、边长比以及加劲肋宽厚比等对弹性屈曲系数k的影响,同时与十字加劲板的抗剪屈曲性能进行了对比。研究结果表明,设置交叉加劲肋能显著提高钢板剪力墙的弹性屈曲荷载;屈曲系数k随着墙板边长比、高厚比以及加劲肋宽厚比的增大而趋于减小;本文给出的交叉加劲板弹性屈曲系数k的计算公式与有限元法的结果较吻合。The elastic buckling behavior of diagonally stiffened steel plate shear wall was studied by employing fi- nite element analysis software ANSYS. Special attention was paid on the influence of the parameters on the buckling co- efficient of the panel. These parameters included stiffness ratio of stiffener to panel, depth-thickness ratio of the panel, aspect ratio of the panel, and width to thickness ratio of stiffener. In addition, the elastic buckling behavior of the di- agonally stiffened panel and the cross stiffened panel was compared. The results show that the diagonal stiffener can significantly increase the elastic buckling load of the steel plate shear wall. With the increasing of aspect ratio, depth- thickness ratio of the panel and width to thickness ratio of the stiffener, the buckling coefficient is decreasing gradual- ly. Finally, the formulas are given to predict the buckling coefficient of the diagonally stiffened steel plate shear wall.

关 键 词：钢板剪力墙 弹性屈曲 交叉加劲肋 屈曲系数 肋板刚度比 

分 类 号：TU398.2[建筑科学—结构工程]