大跨度钢拱桥在地震作用下稳定性分析

【摘要】 钢拱桥在地震作用下的动力稳定性问题是目前桥梁工程研究的前沿课题。有限元动力分析软件ANSYS能够对钢拱桥的动力稳定性进行分析。文中详细讨论了该结构在不同加速度峰值地震作用下拱桥结构形态变化、失稳形式。从而确定出该结构在地震作用下的临界荷载。更多还原

【Abstract】 The dynamic stability of a steel arch bridge is the frontier of the current bridge engineering study.The finite element dynamic analysis programming ANSYS was used to analyze the dynamic stability of a steel arch bridge. The critical load of the steel arch bridge was determined by an earthquake through the shape variation and unstable form at different acceleration peak values.更多还原