Link finite element method of biparameter elastic foundation for analyzing cantilever-retaining piles for foundation pits

CHEN Lin-jing; DAI Zi-hang

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Link finite element method of biparameter elastic foundation for analyzing cantilever-retaining piles for foundation pits

更新时间：2026-06-25

- Link finite element method of biparameter elastic foundation for analyzing cantilever-retaining piles for foundation pits
- Vol. 28, Issue 2, (2007)
- 作者机构：
  
  福州大学土木工程学院,福州,350002
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU473.1
- Online First：28 August 2013，
  
  Published：2007
- 稿件说明：
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CHEN Lin-jing, DAI Zi-hang. Link finite element method of biparameter elastic foundation for analyzing cantilever-retaining piles for foundation pits[J]. 2007, 28(2).
DOI：

CHEN Lin-jing, DAI Zi-hang. Link finite element method of biparameter elastic foundation for analyzing cantilever-retaining piles for foundation pits[J]. 2007, 28(2). DOI：

摘要

对地基抗力双参数法在基坑悬臂支护桩位移和内力计算方面进行了探讨，即采用地基土抗力系数随深度按双参数非线性变化的假设，以弹性地基杆系单元模拟，支护桩则按弹性梁单元模拟。对某基坑悬臂支护桩进行数值模拟反分析表明，通过试算调整可获得适合于实际设计计算的地基抗力双参数，该法应用到福州市某基坑悬臂桩的实际分析和设计中获得了较为满意的结果，可供悬臂支护桩设计计算时参考。

Abstract

The calculation of displacements and internal forces of the cantilever-retaining pile for foundation pit using biparameter method of foundation resistance is discussed. That is on the assumption that the foundation resistant coefficients varies nonlinearly with the depth according to biparameter theory; the strata are modeled by elastic foundation link elements and the soil-retaining piles are modeled by elastic beam elements. Based on the real measured data

the numerical simulation back-analysis of the cantilever- retaining pile for foundation pit indicates that the proper parameters of foundation resistance for practical design could be obtained through trial and adjustment. And the method is applied to practical analysis and design of the cantilever-retaining pile in Fuzhou. The result is satisfactory

so it could be referred by the design and the calculation of the cantilever-retaining piles for foundation pits.

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Related Author

CHEN Lin-jing

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Related Institution

Institute of Geotechnical Engineering, Fuzhou University

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