多塔斜拉桥结构体系刚度和抗震性能研究进展综述

The research progress review of stiffness and seismic performance of multi pylon cable-stayed bridge structure system

对多塔斜拉桥国内外应用进行了概述,从优化桥跨布置、边跨设置辅助墩、增加塔间加劲索、采用刚性桥塔、采用刚性铰五方面,分析了多塔斜拉桥体系刚度的研究进展,并介绍了其抗震性能的研究进展,为今后同类工程提供参考。

This paper summarized the application of multi pylon cable-stayed bridge at home and abroad, from the bridge span arrangement opti-mization, side span setting auxiliary pier, increasing stiffened cable in tower, using rigid pylon, using rigid hinge five aspects, analyzed the re-search progress of multi pylon cable-stayed bridge stiffness, and introduced the research progress of its seismic performance, provided reference for future similar engineering.