Research on mechanism of skin friction of cast-in-place piles

YE Jian-zhong; ZHOU Jian; HAN Bing

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Research on mechanism of skin friction of cast-in-place piles

更新时间：2026-06-25

- Research on mechanism of skin friction of cast-in-place piles
- Vol. 27, Issue 11, (2006)
- 作者机构：
  
  1. 同济大学地下建筑与工程系,上海,200092
  2. 浙江省交通规划设计研究院,浙江,杭州,310006
  3. 浙江省人民政府防汛防旱指挥部,浙江,杭州,310009
  4. 浙江大学建筑工程学院,浙江,杭州,310027
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU473
- Online First：04 December 2013，
  
  Published：2006
- 稿件说明：
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YE Jian-zhong, ZHOU Jian, HAN Bing. Research on mechanism of skin friction of cast-in-place piles[J]. 2006, 27(11).
DOI：

YE Jian-zhong, ZHOU Jian, HAN Bing. Research on mechanism of skin friction of cast-in-place piles[J]. 2006, 27(11). DOI：

摘要

桩侧摩阻力的发挥主要与桩周土的力学性质、侧向有效压力、桩土的相对位移量、桩土的接触性质、时间效应等有关。采用双曲线侧摩阻力发挥模型，通过分析上海某地区灌注桩的现场试验实测资料，提出了双曲线模型的计算参数取值范围。此外，对桩侧摩阻力的时间效应也作了初步探讨。结果表明：采用双曲线函数对灌注桩侧摩阻力与相对位移间的变化关系进行拟合是合理的；由于各级荷载下桩体沉降同样具有时间性，桩侧摩阻力同时具有明显的时间效应

Abstract

Skin friction of pile mainly depends on mechanical characteristics of surrounding soils

relative displacement on interface

lateral effective pressure

behavior of pile-soil interface

time effect

etc.. Based on the analysis of hyperbolic model of skin friction

the in-situ static test results of cast-in-place piles conducted in some places of Shanghai

are analyzed. Ranges of computational parameters related to hyperbolic model of skin friction are given. In addition

time-effect of skin friction of piles is also discussed briefly. Results show that it’s rational to illustrate the relationship between skin friction and relative displacement by hyperbolic function. In addition

due to time effect of pile displacement

lateral skin friction of pile indicates evident time-dependence.

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