Simulation Analysis on Seismic Performance of Corroded Ｒeinforced
Concrete Bridge Pier

doi:10.3969/j.issn.1674-0696.2013.sup.1.07

Journal of Chongqing Jiaotong University(Natural Science) ›› 2013, Vol. 32 ›› Issue (增1): 756-759.DOI: 10.3969/j.issn.1674-0696.2013.sup.1.07

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Simulation Analysis on Seismic Performance of Corroded Ｒeinforced Concrete Bridge Pier

Ma Shuwei¹，Wang Dalei¹，Hu Teng²

1.School of Civil Engineering，Tongji University，Shanghai 200092，China; 2.Highway Consultation ＆ Supervision Center of Hubei Province，Wuhan 430030，Hubei，China

Received:2013-03-01 Revised:2013-04-01 Online:2013-06-30 Published:2015-03-12

锈蚀钢筋混凝土桥墩抗震性能数值模拟

马澍玮¹，王达磊¹，胡腾²

1.同济大学土木工程学院，上海200092;2.湖北省公路工程咨询监理中心，湖北武汉430030

作者简介:马澍玮(1988—)，男，甘肃会宁人，硕士，主要从事桥梁结构设计理论研究方面的工作。E-mail:168msw@tongji.edu.Cn
基金资助:
江西省交通运输厅科技资助项目( 2010C00012) ; 交通运输建设科技项目( 2011318494160)

Abstract

Abstract: Corroded reinforced concrete bridge pier is in the dangerous state for seismic resistance，so it is especially important to study its anti-seismic hysteretic performance． The degeneration mechanism of corroded reinforced concrete structure was analyzed，considering the reduce of rebar cross-section area，the decrease of the yield stress of the rebar and the degeneration of bond relationship between rebar and concrete． Through establishing FEM model of corroded reinforced concrete bridge pier，the hysteretic curve，skeleton curve and the dissipation capacity under low-cycle lateral loading were analyzed． The calculation results fit well with the test results，which verifies the seismic hysteretic performance of corroded reiforced concrete bridge pier．

Key words: reinforced concrete bridge pier, corroded rebar, anti-seismic performance, numerical simulation

摘要： 锈蚀钢筋混凝土桥墩处于抗震不利状态，因而其抗震滞回性能研究尤为重要。笔者从钢筋截面积减小、屈服强度降低以及钢筋和混凝土黏结性能退化等方面，进行了锈蚀钢筋混凝土结构性能退化机理分析，通过建立锈蚀钢筋混凝土桥墩有限元模型，分析了桥墩在反复荷载作用下的滞回曲线、骨架曲线和耗能性能随锈蚀率的变化，结果与试验吻合较好，证明了模拟锈蚀钢筋混凝土桥墩滞回性能的有效性。

关键词: 混凝土桥墩, 锈蚀钢筋, 抗震性能, 数值模拟

CLC Number:

U442.55

Ma Shuwei，Wang Dalei，Hu Teng. Simulation Analysis on Seismic Performance of Corroded Ｒeinforced Concrete Bridge Pier[J]. Journal of Chongqing Jiaotong University(Natural Science), 2013, 32(增1): 756-759.

马澍玮，王达磊，胡腾. 锈蚀钢筋混凝土桥墩抗震性能数值模拟[J]. 重庆交通大学学报（自然科学版）, 2013, 32(增1): 756-759.

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Simulation Analysis on Seismic Performance of Corroded Ｒeinforced Concrete Bridge Pier

锈蚀钢筋混凝土桥墩抗震性能数值模拟

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