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铁道科学与工程学报

JOURNAL OF RAILWAY SCIENCE AND ENGINEERING

第9卷    第5期    总第49期    2012年10月

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文章编号:1672-7029( 2012) 05-0042-04
围堰对桥下桩基力学特性影响的数值分析
徐庆国,王星华

(中南大学土木工程学院,湖南长沙410075)

摘 要: 结合具体工程,采用Flac3D 软件对筑坝围堰作用下邻近桥下桩基受力特性进行模拟分析。分别研究桩顶荷载施加前后基桩的受力情况,以及随着土体固结时间的推移和围堰荷载的改变、基桩受力性状的变化。分析结果为类似工程的设计施工提供参考依据。

 

关键字: 筑坝围堰; 固结; 桩基; 受力特性; 数值分析

The numerical analysis of mechanical characteristics of pile foundation for the cofferdam
XU Qing-guo,WANG Xing-hua

School of Civil Engineering,Central South University,Changsha 410083,China

Abstract:Based on the specific projects,FLAC3D was used to simulate the pile stress character under the action of the dams cofferdam.The stress of the foundation pile was analyzed under load and without the load respectively,and with the passage of the time soil consolidation, the change of the load and the changes of the stress were also analyzed.The results can provide the design and construction of similar projects with reference.

 

Key words: cofferdam; consolidation; pile foundation; mechanical characteristics; numerical analysis

ISSN 1672-7029
CN 43-1423/U

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