DISPLACEMENT CALCULATION OF NEARBY UNDERGROUND PIPELINE CAUSED BY DEEP EXCAVATION BASED ON FIELD TEST OF GROUND DISPLACEMENT

Liu Hongyan; Li Houen; Huang Yushi; LüShuran

doi:10.13204/j.gyjz201110018

Volume 41 Issue 10

Dec. 2014

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Citation:

Liu Hongyan, Li Houen, Huang Yushi, LüShuran. DISPLACEMENT CALCULATION OF NEARBY UNDERGROUND PIPELINE CAUSED BY DEEP EXCAVATION BASED ON FIELD TEST OF GROUND DISPLACEMENT[J]. INDUSTRIAL CONSTRUCTION, 2011, 41(10): 72-74,94. doi: 10.13204/j.gyjz201110018

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DISPLACEMENT CALCULATION OF NEARBY UNDERGROUND PIPELINE CAUSED BY DEEP EXCAVATION BASED ON FIELD TEST OF GROUND DISPLACEMENT

doi: 10.13204/j.gyjz201110018

1.
1. College of Engineering ＆ Technology,China University of Geoseiences (Beijing),Beijing 100083,China;
2.
2. School of Engineering,Tibet University,Lhasa 850000,China;
3.
3. BGI Engineering Consultants Ltd,Beijing 100038,China;
4.
4. School of Safety and Environment Engineering,Capital University of Economics and Business,Beijing 100026,China

Received Date: 2011-03-21
Publish Date: 2011-10-20

Abstract

Abstract

Influence of foundation excavation on nearby underground pipeline is a key problem relating safe andeconomic construction of city foundation, which is a difficult and hot research subject． Based on the elastic foundationbeam theory proposed by the predecessors, the calculation method based on field test ground subsidence curve ofcalculating the influence of deep excavation on nearby underground pipeline was proposed． This method made up theshortage of supposing the ground subsidence curve above underground pipeline to be parabola, which made thecalculation result more accurate． Finally, the solution process of this method was illustrated through an engineeringexample． The vertical displacement equation of underground pipeline was obtained, and its value solution was solvedwith Matlab software, which was in good agreement with that of field test．
- deep excavation,
- ground subsidence,
- vertical displacement of underground pipeline,
- elastic foundation beam

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References(6)

References

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[2] 李大勇，龚晓南.软土地基深基坑工程邻近柔性接口地下管线的性状分析[J].土木工程学报，2003，36(2):77-80.

[3] 段绍伟，沈蒲生.深基坑开挖引起邻近破坏分析[J].工程力学，2005，22(4):79-83.

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