以坦桑尼亚铁路桥为例，采用ANSYS有限元软件，从自重载荷、横向风载、交变载荷方面，对钢板梁桥的主梁进行了仿真分析，结合桥梁在三种载荷作用下的应变、应力情况，制定了针对性的加固措施，有利于桥梁结构的优化处理。%Taking the Tanzania railway bridge as an example,this paper used ANSYS finite element software,from the gravity load,transverse wind load,alternating load aspects,made simulation analysis on the main girder of steel plate girder bridge,combining with the strain,stress sit-uation of bridge under three kinds loads,formulated targeted reinforcement measures,beneficial to the optimization treatment of bridge structure.
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