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《Sichuan Building Science》 2014-01
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Finite element analysis of the stability bearing capacity of frame scaffolding with steel tubes

LIU Xiyue;YANG Jianjun;WANG Yuanqing;Key Laboratory of Civil Engineering Safety and Durability of China Education Ministry,Tsinghua University;School of Civil Engineering,Central South University;  
In order to get full understand of the bearing capacity of frame scaffolding with steel tubes that are new types and ensure the safety of those new type scaffoldings,and propose exact models to be reference for finite element analysis. This paper is based on the experimental study of the three bays-six floors full scale scaffoldings which are composed of two new type portals( MF0817,MF1017) and the stability calculation of the scaffoldings as plane frame,it has adopted ANSYS software to carry out finite element analysis of the scaffoldings used in experiments,including conducting eigenvalue buckling analysis and conducting nonlinear analysis considering initial defects of components and geometric nonlinearity of structure. Moreover,the results obtained by theoretical analysis have been compared with the experimental results to verify mutually. The analysis results have demonstrated that initial defects of components have large effects on the stability bearing capacity,and the results obtained by finite element analysis are approximately with the experimental results.
【CateGory Index】: TU731.2
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