Research on simplified calculation of settlement of cast-in-situ concrete thin-wall pipe pile composite foundation

WEN Shi-qing; LIU Han-long; GAO Yu-feng; FEI Kang

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Research on simplified calculation of settlement of cast-in-situ concrete thin-wall pipe pile composite foundation

更新时间：2026-06-25

- Research on simplified calculation of settlement of cast-in-situ concrete thin-wall pipe pile composite foundation
- Vol. 25, Issue 10期　刊出日, (2004)
- 作者机构：
  
  河海大学岩土工程研究所,江苏,南京,210098
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU473
- Online First：25 July 2014，
  
  Published：2004
- 稿件说明：
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WEN Shi-qing, LIU Han-long, GAO Yu-feng, et al. Research on simplified calculation of settlement of cast-in-situ concrete thin-wall pipe pile composite foundation[J]. 2004, 25(10期　刊出日).
DOI：

WEN Shi-qing, LIU Han-long, GAO Yu-feng, et al. Research on simplified calculation of settlement of cast-in-situ concrete thin-wall pipe pile composite foundation[J]. 2004, 25(10期　刊出日). DOI：

摘要

PCC桩是一种主要应用于软土地基处理的刚性桩。以PCC桩复合地基为研究对象，基于PCC桩-土-垫层所组成的一个工作体系，考虑桩-土-垫层体系的工作特性及相互影响，对PCC桩进行分析提出了一种PCC桩复合地基模量计算方法，进而推导出PCC桩复合地基的桩土应力比、沉降简化计算公式。同时，运用工程实例进行验证。计算结果说明提出的解答是合理的，能够满足实际要求。

Abstract

The cast-in-situ concrete thin-wall pipe pile (PCC pile) is a kind of rigid pile applied mainly to soft foundation treatment. Based on the working performance and mutual influence of the system of PCC pile-soil-cushion

PCC pile composite foundation is discussed in elastic method. A new calculation method of composite modulus of the PCC pile composite foundation is developed. Furthermore

pile-soil stress ratio and settlement can be derived from the proposed method. And it is proved that the method is practicable and applicable in the field by a practical engineering.

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