宝天高速公路麦积山互通式立交大桥震后加固方案研究

Study on Post-earthquake Reinforcement Scheme of Maijishan Interchange in Baotian Expressway

以宝天高速公路麦积山互通式立交大桥的震后加固设计为例,通过对震害的调查和原因分析研究,针对大桥震后盖梁开裂问题,分析形成的原因,对桥梁加固方案多方面研究分析,最终确定合理可行的桥梁加固方案。

This paper describes the post-earthquake reinforcement design of Maijishan Interchange in Baotian Expressway. According to the investigation of earthquake damage and the study of cause, this paper analyzes the cause of bent cap crack of bridge after earthquake, and studies and analyzes many aspects of bridge reinforcement scheme. Finally, the reasonable and feasible reinforcement scheme of bridge is determined.