摘要
基于柱间支撑和泡沫混凝土的优点,提出了一种可用于结构受力的内置柱间支撑泡沫混凝土墙板。为研究该类墙板的抗侧性能,采用通用有限元分析软件建立了该类墙板的数值分析模型,通过对比分析,验证了有限元分析模型参数选取的有效性。在此基础上,分析了该类墙板的泡沫混凝土强度、钢材材质、支撑截面厚度等参数变化对结构抗侧性能的影响。采用叠加原理,推导了该类墙板的抗侧刚度和抗剪承载力计算公式,并与有限元分析结果进行了比较。研究结果表明:该墙板具有较大的水平抗侧刚度,能极大地改善钢框架结构的抗侧性能,其抗侧刚度和抗剪承载力近似计算方法具有较高的计算精度,可适用于该类墙板的工程应用。
Based on the advantages of inter column braces and foam concrete,a foam concrete wallboard with built-in column braces for structural stress was proposed.In order to study the lateral resistance performance of this kind of wallboard,the numerical analysis model of this kind of wallboard was established by using the general finite element analysis software.Through comparative analysis,the effectiveness of the parameter selection of the finite element analysis model was verified.On this basis,the influence of parameters such as foam concrete strength,steel material and thickness of braces section on the lateral resistance of the wall panels was analyzed.Based on the principle of small deformation superposition,the calculation formula of lateral stiffness of this kind of wallboard was derived and compared with the results of finite element analysis.The research results show these as follows.The wallboard has a large horizontal lateral stiffness,which can greatly improve the lateral resistance performance of steel frame structure,and its approximate calculation method of lateral stiffness and shear bearing capacity has high calculation accuracy,which can be applied to the engineering application of this kind of wallboard.
作者
胡习兵
黄纵威
张正武
李清山
方辉
袁智深
HU Xi-bing;HUANG Zong-wei;ZHANG Zheng-wu;LI Qing-shan;FANG Hui;YUAN Zhi-shen(College of Civil Engineering,Central South University of Forestry and Technology,Changsha 410004,China;Changsha Sanyuan Steel Structure Co.Ltd,Changsha 410114,China;Hunan Provincial Agriculture Design Institute,Changsha 410100,China)
出处
《科学技术与工程》
北大核心
2022年第11期4467-4473,共7页
Science Technology and Engineering
基金
湖南省自然科学基金(2020JJ4943)
湖南省住房和城乡建设厅科技计划(KY202002)。
关键词
泡沫混凝土
柱间支撑
抗侧性能
有限元分析
计算方法
foam concrete
column braces
lateral performance
finite element analysis
computing method
