【摘要】 本文根据刚架拱桥结构的受力特性和构件本身存在的缺陷,通过取出MIDAS/Civil建立的全桥模型计算出来的大、小节点处的最不利内力组合,施加于ANSYS模型中,对刚架拱桥大小节点处的破坏进行安全分析,计算分析发现大、小节点在该内力作用下上缘均出现了较大的应力,分析结果为大小节点的加固提供参考。更多还原

【Abstract】 Base on the framed arch bridge mechanical behavior and component structure defects,firstly a solid model of big and small node by means of ANSYS program is established and the worst-case internal force combination calculated by MIDAS/Civil model is applied to the ANSYS model.The analysis has found that the tensile stress of the top flange is very big,which can serve as a reference for reinforcement of the big and small rigid joints.更多还原