Design and Application of Double-row Piles in Foundation Pit Retaining Structure

李俊丽; 陈道政; 宋巨峰; 李保旺

doi:10.13409/j.cnki.jdpme.2016.05.003

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Design and Application of Double-row Piles in Foundation Pit Retaining Structure

更新时间：2025-12-11

- Design and Application of Double-row Piles in Foundation Pit Retaining Structure
- Vol. 36, Issue 5, Pages: 705-711(2016)
- 作者机构：
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- DOI：10.13409/j.cnki.jdpme.2016.05.003
  CLC： U473.1
- Published：2016
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[1]李俊丽,陈道政,宋巨峰,李保旺.某基坑支护结构中双排桩的设计与应用[J].防灾减灾工程学报,2016,36(05):705-711.

李俊丽, 陈道政, 宋巨峰, et al. Design and Application of Double-row Piles in Foundation Pit Retaining Structure[J]. 2016, 36(5): 705-711.
[1]李俊丽,陈道政,宋巨峰,李保旺.某基坑支护结构中双排桩的设计与应用[J].防灾减灾工程学报,2016,36(05):705-711. DOI： 10.13409/j.cnki.jdpme.2016.05.003.

李俊丽, 陈道政, 宋巨峰, et al. Design and Application of Double-row Piles in Foundation Pit Retaining Structure[J]. 2016, 36(5): 705-711. DOI： 10.13409/j.cnki.jdpme.2016.05.003.

摘要

在工程实践中

基坑开挖深度越来越大

导致土体和周围建筑对于支护结构的变形要求较高

因此双排桩支护广泛应用于深基坑支护结构中。双排桩支护结构形式选择以及前后排桩的间距、桩顶点位移的控制、冠梁的大小等仍是设计的难点。结合合肥某基坑工程实例

运用有限元软件ABAQUS建立双排桩支护结构三维模型

通过有限元分析

研究了开挖深度、排距、结构形式等因素对双排桩受力与变形的影响

并将变形分析结果与实测结果进行比较

两者接近

实测位移量满足相关要求

施工过程证明该支护效果良好。

Abstract

In recent years

the double-row piles were widely used in deep foundation pit.But selecting of double-row piles form

spacing of front and back row piles

controlling of pile vertex displacement and designing of the size of the crown beam were still the difficulties in design.Combined with an actual foundation pit engineering in hefei

a three-dimensional model of retaining structure with double-row piles was established by using finite element software ABAQUS.Through finite element analysis

the influence of excavation depth

row spacing and structure form on double-row piles stress and deformation were studied.FEM analysis results were close to the measured results

the measured displacement met the relevant requirements

and marked supporting effect of double-row piles has been proved.

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references

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双排桩支护结构受力变形及影响因素分析 [J]. 杨德健,王铁成,尹建峰. 建筑结构 . 2008(04)

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双排桩支护结构的数值分析与现场试验研究 [D]. 李立军. 太原理工大学 2013

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ABAQUS在隧道及地下工程中的应用[M]. 中国水利水电出版社 , 陈卫忠, 2010

Soil Arching in Sandy Slopes [J] . Peter J. Bosscher,Donald H. Gray. Journal of Geotechnical Engineering . 1986 (6)

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