中文核心期刊
CSCD来源期刊
中国科技核心期刊
RCCSE中国核心学术期刊

重庆交通大学学报(自然科学版) ›› 2011, Vol. 30 ›› Issue (3): 384-387.DOI: 10.3969/j.issn.1674-0696.2011.03.09

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斜拉桥船撞荷载下静动力响应对比分析

曾嵩1,耿波2,吕成林1,向明航1,陈璨1,郑罡1,   

  1. 1. 重庆交通大学土木建筑学院,重庆400074; 2. 招商局重庆交通科研设计院有限责任公司,重庆400067
  • 收稿日期:2010-12-30 修回日期:2011-03-09 出版日期:2011-06-15 发布日期:2015-03-12
  • 作者简介:曾嵩(1980—),男,湖北宜昌人,硕士研究生,主要从事桥梁结构分析方面的研究。E-mail:zengsong-hb@163.com。
  • 基金资助:
    国家自然科学基金资助项目(51008266)

Static and Dynamic Response Comparison Analysis of Cable-stayed Bridge under Vessel Collision Load

ZENG Song1,GENG Bo2,LV Cheng-lin1,XIANG Ming-hang1,CHEN Can1,ZHENG Gang12   

  1. 1.School of Civil Engineering & Architecture,Chongqing Jiaotong University,Chongqing 400074,China; 2.Chongqing Communications Research & Design Institute Co.,Ltd.,China Merchants Bureau,Chongqing 400067,China
  • Received:2010-12-30 Revised:2011-03-09 Online:2011-06-15 Published:2015-03-12

摘要: 采用船撞动力时程最大值、峰值范围内的局部平均值及全局平均值,作为船撞等效静力荷载对斜拉桥进行船撞静力 分析,将结构静力响应与船撞动力响应进行对比分析。结果表明:斜拉桥结构位移响应、内力响应差别较大。建议针对存 在船撞问题的斜拉桥,在设计时船撞分析尽量采用动力分析方法,以便得到更为真实的结构内力和位移响应。

关键词: 斜拉桥, 船撞, 等效静力

Abstract: The response of cable-stayed bridge under vessel collision load by dynamic and static analysis was analyzed with the maximum and the local average and the global average of the dynamic time history of ship impact as the equivalent static load.After comparison of the results it could be obtained that the response of cable-stayed bridge was different when different methods were applied.It was suggested that the cable-stayed bridge crossing the navigable river should be designed by dynamic analysis under vessel impact so as to get the displacement and force response accurately.

Key words: cable-stayed bridge, vessel-bridge collision, the equivalent static force

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