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厦漳跨海大桥北汊主桥抗震性能研究
Research on Seismic Performance of Main Bridge in Northern Bay of Xiamen-Zhangzou Crossing Sea Bridge
【摘要】 厦漳跨海大桥北汊主桥是主跨780 m的连续钢箱梁双塔斜拉桥,场地地震基本烈度高达Ⅶ度,其抗震设计非常复杂,且无规范可循,为此开展专门研究。以JTG/T B02-01—2008《公路桥梁抗震设计细则》为指导,从抗震设防标准、地震动输入、动力有限元建模、抗震性能评价、抗震构造措施检查等方面,对厦漳跨海大桥北汊主桥抗震性能研究进行介绍,为类似桥梁抗震设计提供参考。
【Abstract】 Main bridge in northern bay of Xiamen-Zhangzhou Crossing Sea Bridge is a continuous steel box girder twin-tower cable-stayed bridge with 780m main span,the basic seismic intensity is up to VII degree,so anti-seismic design is very complicated and no specifications are followed.For this reason special research must be developed.This paper under guidance of JTG/T B02-01-2008 "Detailed Rules for Anti-seismic Design of Highway Bridges" introduces research on seismic performance of main bridge in northern bay of Xiamen-Zhangzhou Crossing Sea Bridge from aspects of seismic fortification criteria,dynamic seismic input,dynamic finite element modeling,evaluation for seismic performance and check of seismic structure measures,etc.to provide a reference for seismic design of similar bridges.
【Key words】 seismic resistance of highway bridge; guidance for anti-seismic design; seismic fortification criterion; anti-seismic design; research on seismic performance;
- 【文献出处】 公路交通技术 ,Technology of Highway and Transport , 编辑部邮箱 ,2012年05期
- 【分类号】U448.27
- 【被引频次】3
- 【下载频次】70