地铁站房结构BIM非线性有限元分析

BIM Nonlinear Finite Element Analysis ofSubway Station Structure

基于BIM技术、有限元非线性分析方法,以实际工程地铁站为例,研究了地铁站BIM建模方法,以及revit BIM模型转换为有限元robot模型的关键技术。考虑岩土-结构相互作用性质,分析了非线性结构本构关系,应用结构非线性有限元方法,对地铁站房结构变形进行了计算分析。将计算所得的结果与实测结构进行对比,验证了该方法的可靠性。此研究方法,对地铁站房施工BIM应用及结构非线性计算具有重要参考价值。

Based on BIM technology,and finite element nonlinear analysis method,taking the actual engineering subway station as an example,this paper studied the BIM modeling method of subway station and the key technology of converting revit BIM model into finite element robot model.Considering the nature of geotechnical structure interaction,the constitutive relation of nonlinear structure was analyzed,and the nonlinear finite element method was used to analyze the structural deformation of subway station.The reliability of the method was verified by comparing the calculated result with the measured structure.The research method proposed has important reference value for application of BIM and nonlinear calculation of substation.