（1 西安交通大学土木工程系，西安 710049； 2 西安交通大学航天航空学院，西安 710049；3 西安建筑科技大学土木工程学院，西安 710054）
［摘要］轻钢立柱墙体是冷弯薄壁型钢低层住宅体系中一种新型的墙体形式，对实际工程中常用的轻钢立柱墙体足尺试件进行了轴心荷载作用下的承载力试验研究，墙体立柱试件分为不带墙面板（2个试件）和带墙面板（1个试件）两类。在足尺试件试验研究的基础上，采用有限元分析软件ANSYS对轻钢立柱不带墙面板和带墙面板两种情况下的承载力进行了数值分析。简化分析模型假设墙板仅对立柱沿墙面方向侧移和截面扭转起支撑作用，考虑墙板参数变化对立柱承载力的影响，并将计算结果与试验结果进行了比较。分析结果表明，考虑墙板的支撑作用能显著地提高立柱的承载能力。
［关键词］轻钢墙体立柱；轴压性能；试验研究；有限元数值计算；参数分析
Study on influence of wallboard on axial strength of stud in low-rise cold-formed sheet steel house
Xiao Yu1，Zhao Guiping2，He Baokang3，Liu Qianjin3(1  Department of Civil Engineering, Xi′an Jiaotong University, Xi′an 710049, China； 2 School of Aerospace, Xi′an Jiaotong University, Xi′an 710049, China； 3 School of Civil Engineering, Xi′an University of Architecture & Technology, Xi′an 710054, China)
Abstract:The light-gauge steel wall stud is a new wall system for a low-rise cold-formed thin-wall steel house. The load carrying capacity of wall studs is studied by axial compression tests, and the sizes of specimens are the same as those in practical engineering project. The specimens of wall studs are divided into two types, i.e. the ones with panels and others without. Based on the tests, finite element analysis is used for simulating load carrying capacity of the kinds of wall studs by ANSYSTM. Simplified model considers that panels provide support to the stud along the direction of wallboard and the direction of torsion in the section of the stud. In order to study the influence of the wallboard on the load carrying capacity of the stud, parameters of the wallboard are changed. Numerical results are compared with the test results. Analysis results show that the load carrying capacity of studs is increased greatly by considering the support of panels.
Keywords:light-gauge steel wall stud； axial behavior； experiment research； finite element analysis； parameter study
作者简介：肖宇（1980-），男，硕士研究生。
参考文献
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