Building up the typical structure of y-shape bridge by using procedure software of finite element sap2000 , and studying on the effect of diaphragms on the structure behavior subject to force by the means of simulat analyzing .

利用通用有限元软件sap2000建立了“人”字形桥梁典型结构的有限元模型，通过对模型进行模拟分析，研究横隔梁对结构受力行为的影响。