Experimental study of the rigid-flexible pile composite foundation

LIU Hai-tao; XIE Xin-yu; CHENG Gong; LIU Yi-lin

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Experimental study of the rigid-flexible pile composite foundation

更新时间：2026-06-25

- Experimental study of the rigid-flexible pile composite foundation
- Vol. 26, Issue 2期　刊出日, (2005)
- 作者机构：
  
  1. 浙江大学岩土工程研究所,浙江,杭州,310027
  2. 浙江方远房地产开发有限公司,浙江,台州,317001
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU472
- Online First：19 November 2013，
  
  Published：2005
- 稿件说明：
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LIU Hai-tao, XIE Xin-yu, CHENG Gong, et al. Experimental study of the rigid-flexible pile composite foundation[J]. 2005, 26(2期　刊出日).
DOI：

LIU Hai-tao, XIE Xin-yu, CHENG Gong, et al. Experimental study of the rigid-flexible pile composite foundation[J]. 2005, 26(2期　刊出日). DOI：

摘要

阐述了深厚软土地基中刚-柔性长短桩复合地基的设计思想。针对椒江地区土体的工程特性和拟建建筑物的特点，通过大型现场试验，介绍了其在某国家康居示范工程中的应用，并分析了此类复合地基的主要工程性状，研究了桩土应力比以及荷载分担比的发展规律。试验表明，此类复合地基能使刚性桩、柔性桩以及土体协调变形，合理发挥它们各自的承载能力，为以后的设计和推广应用提供了依据。

Abstract

A newly developed composite foundation technique is used in the practical project of soft soil foundation treatment. This kind of composite foundation is made up of two types piles

the rigid one is concrete pile

and the flexible one is mixed-in-place cement pile. The design ideas of the composite foundation are proposed. In order to determine the bearing capacity of composite foundation

the in-site loading tests of an important project were carried out; and the major engineering characteristics of the composite foundation are studied. The stress ratio and the load ratio of pile to soil in the process of loading are analyzed carefully. The results of tests indicate that the rigid pile

the flexible pile and soil can interact on each other very well; and their bearing capacities can be developed reasonably.

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