Experimental study on load transfer of prestressed thin-wall concrete (PTC) pile with cap composite foundation

LEI Jin-bo; XU Ze-zhong; HUANG Ling; KUANG Sen-bao

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Experimental study on load transfer of prestressed thin-wall concrete (PTC) pile with cap composite foundation

更新时间：2026-06-25

- Experimental study on load transfer of prestressed thin-wall concrete (PTC) pile with cap composite foundation
- Vol. 26, Issue S1期　刊出日, (2005)
- 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：
  CLC： TU473.1
- Online First：15 December 2005，
  
  Published：2005
- 稿件说明：
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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：

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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Related Author

LEI Jin-bo1

XU Ze-zhong1

HUANG Ling2

XU Zhao-yang

ZHOU Jian

WAN Shao-jin

ZHA Wen-hua

Related Institution

南昌航空工业学院土木与建筑系南京210098南昌航空工业学院土木与建筑系

Key Laboratory of Ministry of Education for Geotechnical and Underground Engineering, Tongji University

Institute of Geotechnical Engineering, Yangzhou University

Key Laboratory of Safety and High-efficiency Coal Mining Constructed by Anhui Province and Ministry of Education, Anhui University of Science and Technology

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