本溪市小华山大桥主桥设计

Design of Main Bridge of Xiaohuashan Bridge in Benxi City

摘要:

结合本溪市小华山大桥工程实例，介绍了桥梁的工程概况、总体布置、结构设计以及静动力计算分析过程，对不同结构体系的混凝土斜拉桥进行了受力分析比较，对塔梁固结固关键节点进行了实体有限元局部分析及优化设计，可为日后近似跨径双主肋混凝土斜拉桥的设计提供参考。

关键词:小华山大桥;预应力混凝土斜拉桥;双主肋;塔梁固结

Abstract:

Combined with the Benxi Xiaohuashan Bridge Project, the engineering situation, overall layout, structural design, and static and dynamic calculation and analysis of the bridge are introduced. The stress analysis and comparison of concrete cable-stayed bridges with different structural systems are carried out. The solid finite element local analysis and optimization of the key nodes of the pylon-beam consolidation are carried out, which can provide the reference for the design of similar span double-rib concrete cable-stayed bridges in the future.

Key words:Xiaohuashan Bridge;prestressed concrete cable-stayed bridge;double main rib;pylon-beam consolidation