Seismic?Performance?of?Chorded?Steel-Concrete?Composite?Arch?Bridge

doi:10.3969/j.issn.1674-0696.2009.04.01

Journal of Chongqing Jiaotong University(Natural Science) ›› 2009, Vol. 28 ›› Issue (4): 641-645.DOI: 10.3969/j.issn.1674-0696.2009.04.01

Seismic?Performance?of?Chorded?Steel-Concrete?Composite?Arch?Bridge

ZHOU Zhi-xiang¹, XU Yong¹, ², GAO Yan-mei¹

1.?Chongqing?Jiaotong?University,?Chongqing?400074,?China?;?2.?Southwest?Jiaotong?University,?Sichuan?Chengdu?610031,?China

Received:2008-12-10 Revised:2008-12-22 Online:2009-08-15 Published:2015-04-15

八字形钢-混凝土组合拱桥的抗震性能研究

周志祥¹,徐勇¹,²,高燕梅¹

1.重庆交通大学,重庆4000742西南交通大学,四川成都610031

作者简介:周志祥(1958—),男,四川遂宁人,教授,博士生导师,从事桥梁结构行为与新技术研究。
基金资助:
国家自然科学基金项目( 50578168); 交通部西部交通建设科技项目( 200631881448)

Abstract

Abstract: The?basic?conception?of?a?chorded?steel-concrete?composite?arch?bridge?is?introduced.?And?its?dynamic?characteristics?and?structural?performances?are?discussed.?Its?response?to?earthquakes?is?calculated?by?means?of?time-history?analysis?method,?and?the?comparison?of?that?with?the?general?concrete?ribbed?arch?bridges?has?proved?that?the?chorded?steel-concrete?has?a?stronger?resistance?to?earthquakes,?so?it?can?withstand?stronger?earthquake,?comparing?with?the?general?concrete?ribbed?arch?bridges.

Key words: steel-concrete composite arch bridge , dynamic characteristic , seismic performance ;

摘要： 介绍了八字形钢-混凝土组合拱桥的基本概念,讨论了其动力特性及其结构性能;采用时程分析方法对其地震响应进行了计算,并与普通钢筋混凝土肋拱桥的地震响应进行了比较。结果表明,八字形钢-混凝土组合拱桥具有很好的延性抗震能力,较普通钢筋混凝土肋拱桥能够抵御更高烈度的地震作用。

关键词: 钢-混凝土组合拱桥, 动力特性, 抗震性能

CLC Number:

U448.22⁺2

ZHOU Zhi-xiang, XU Yong, , GAO Yan-mei. Seismic?Performance?of?Chorded?Steel-Concrete?Composite?Arch?Bridge[J]. Journal of Chongqing Jiaotong University(Natural Science), 2009, 28(4): 641-645.

周志祥,徐勇，高燕梅. 八字形钢-混凝土组合拱桥的抗震性能研究[J]. 重庆交通大学学报（自然科学版）, 2009, 28(4): 641-645.

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Seismic?Performance?of?Chorded?Steel-Concrete?Composite?Arch?Bridge

八字形钢-混凝土组合拱桥的抗震性能研究

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