摘要
以呼和浩特市万通路(东客站西路)地下通道及管网为工程背景,采用"空间网格法"对地道箱体进行网格划分,利用Midas Civil有限元软件建立地道箱体结构的空间网格有限元模型,并通过Ansys中的20节点实体单元(solid186单元)验证空间网格有限元模型的刚度、应力以及内力模拟的正确性。之后根据工程中实际的荷载、边界条件以及施工阶段对所建立的有限元模型进行模拟、计算和配筋设计。结果表明:采用Midas Civil对地道箱体结构进行空间网格法建模具有计算速度快、刚度模拟准、便于加载和配筋设计等优点。
Taking Hohhot Wantong road（also named East Railway Station West Road） underground tunnel and pipe network engineering as background,the spatial grid finite element model of tunnel box structure is built by finite element software Midas Civil. The simulation accuracy of the stiffness,stress and internal force are verified by 20-node solid element model built by Ansys. Then the simulation,computation and reinforcement design are conducted according to the real load,boundary condition and construction stage basen on the model. Finally,some advantages of Midas Civil model for tunnel box by spatial grid method are concluded,such as the high computing speed,accurary stiffness simulation,easy to load,easy to reinforcement design and so on.
出处
《现代交通技术》
2016年第1期71-75,共5页
Modern Transportation Technology
关键词
地下通道
地道箱体
空间网格法
有限元模型
配筋设计
underpass
underpass box
spatial grid method
finite element model
reinforcement design
