中文核心期刊
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中国科技核心期刊
RCCSE中国核心学术期刊
Journal of Chongqing Jiaotong University(Natural Science)

Journal of Chongqing Jiaotong University(Natural Science) ›› 2009, Vol. 28 ›› Issue (5): 861-864.DOI: 10.3969/j.issn.1674-0696.2009.05.13

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Numerical?Simulation?of?Ground?Disturbance?of?Extra-Shallow-Underground-Pipe?Jacking?with?Short-Radius?Curve

CHEN Si-tian1, 2, HE Jian-xing3, ZHANG Yong-xing2, JIANG Yun-feng1   

  1. 1.?School?of?Civil?Engineering?＆?Architecture,?Chongqing?Jiaotong?University,?Chongqing?400074,?China;?2.?Chongqing?University,Chongqing?400030,China;?3.?Foshan?Municipal?Designing?Institute?Co.?Ltd?,Guangdong?Foshan?528000,China
  • Received:2009-04-28 Revised:2009-05-28 Online:2009-10-15 Published:2015-04-15

超浅层小半径曲线顶管地面扰动数值模拟分析

陈思甜1,2,何剑星3,张永兴2,蒋云锋1   

  1. 1.重庆交通大学土木建筑学院,重庆400074;2.重庆大学,重庆400030; 3.佛山市市政设计研究院有限公司,广东佛山528000
  • 作者简介:陈思甜(1963—),男,四川宣汉人,副教授,博士研究生,从事超浅层顶管技术研究、结构分析等工作。E-mail:sitianchen@gmail.com。
  • 基金资助:
    重庆市科技计划项目( 7195)

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Abstract: During?the?construction?process?of?the?extra-shallow-underground-pipe?jacking?with?short-radius?curve,?the?problem?of?the?ground?disturbance?must?be?paid?attention?to.?Based?on?the?pipe?jacking?project?of?Hangzhou?Banshan,?the?construction?process?of?Sxtra-shallow-underground-pipe?jacking?with?short-radius?curve?is?simulated?numerically?through?the?large?scale?FEM?software?ANSYS.?And?the?model?of?extra-shallow-underground-pipe?jacking?with?short-radius?curve?is?established.?Different?jacking?speed?is?carried?out?on?the?model?to?further?explore?the?deformation?rules?of?the?extra-shallow-underground-pipe?jacking?with?short-radius?curve?at?different?jacking?speed,?and?the?recommended?value?of?jacking?speed?is?proposed.

Key words: extra-shallow-underground-pipe jacking with short-radius curve , ground deformation ;jacking speed ;

摘要： 超浅层小半径曲线顶管工程中,地面扰动成为施工过程中必须关注的问题。以杭州半山超浅层曲线顶管工 程为基础,利用大型通用有限元软件ANSYS对超浅层顶管的施工过程进行数值模拟,建立超浅层小半径曲线顶管 模型,对模型实施不同的顶进速度,用以进一步探求超浅层小半径曲线顶管在不同顶推速度下的地面变形规律,提 出顶进速度建议值。

关键词: 超浅层小半径曲线顶管, 地面变形, 顶进速度

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