带帽PTC管桩复合地基荷载传递试验研究

雷金波; 徐泽中; 黄 玲; 况森保

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带帽PTC管桩复合地基荷载传递试验研究

基础理论与实验研究 | 更新时间：2026-06-25

- 带帽PTC管桩复合地基荷载传递试验研究
- Experimental study on load transfer of prestressed thin-wall concrete (PTC) pile with cap composite foundation
- 岩土力学 2005年26卷第S1期　刊出日期
- 作者机构：
  
  1. 河海大学土木工程学院,南京,210098
  2. 南昌航空工业学院土木与建筑系,南昌,330046
- 作者简介：
- 基金信息：
- DOI：
  中图分类号： TU473.1
- 网络首发：2005-12-15，
  
  纸质出版：2005
- 稿件说明：
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雷金波, 徐泽中, 黄玲, 等. 带帽PTC管桩复合地基荷载传递试验研究[J]. 岩土力学, 2005,26(S1期　刊出日).

LEI Jin-bo, XU Ze-zhong, HUANG Ling, et al. Experimental study on load transfer of prestressed thin-wall concrete (PTC) pile with cap composite foundation[J]. 2005, 26(S1期　刊出日).
雷金波, 徐泽中, 黄玲, 等. 带帽PTC管桩复合地基荷载传递试验研究[J]. 岩土力学, 2005,26(S1期　刊出日). DOI：

LEI Jin-bo, XU Ze-zhong, HUANG Ling, et al. Experimental study on load transfer of prestressed thin-wall concrete (PTC) pile with cap composite foundation[J]. 2005, 26(S1期　刊出日). DOI：

摘要

根据控制沉降设计理论，采用疏化桩间距的方法，在某公路深厚软基处理中设计并采用了带帽PTC（预应力薄壁混泥凝土）管桩。为了了解路堤下带帽PTC型刚性桩复合地基作用机理，更好地研究带帽PTC管桩复合地基沉降变形、荷载传递、桩土荷载分担比及桩土应力比等力学性状，在两种地质条件下进行了带帽PTC管桩复合地基现场足尺试验研究，得到了试验资料和一系列有益的结论。试验结果能够为带帽PTC管桩复合地基理论研究提供合理依据，并对其优化设计起指导作用。

Abstract

According to the control settlement theory

making use of the method of enlarging the distance of piles

PTC piles have been designed and applied in the profundity soft soil ground treatment of a highway. The spot tests of PTC pile with cap composite foundation have been done in order to investigate working mechanism

and study the mechanical behavior of the settlement deformation

load-bearing capacity

load transfer

pile-soil stress ratio and pile-soil interaction of it at two kinds of different soil conditions. At last

there are some useful results by the experiment. The test results can provide useful information for engineers in study the theory of PTC pile composite foundation

and may be a guide to design PTC pile composite foundation under flexible foundation. The working principle study on PTC with cap control settlement and sparse piles composite foundation should be enhanced in future.

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