Comparative testing on characteristic of load transfer between single pile and single pile with cap

LOU Xiao-ming; FANG Wei-xiang; FEI Pei-yun; YE Wen-yong

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Comparative testing on characteristic of load transfer between single pile and single pile with cap

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- Comparative testing on characteristic of load transfer between single pile and single pile with cap
- Vol. 26, Issue 9, (2005)
- 作者机构：
  
  1. 同济大学地下建筑与工程系,上海,200092
  2. 上海第一市政工程公司,上海,200083
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU472
- Online First：30 December 2013，
  
  Published：2005
- 稿件说明：
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LOU Xiao-ming, FANG Wei-xiang, FEI Pei-yun, et al. Comparative testing on characteristic of load transfer between single pile and single pile with cap[J]. 2005, 26(9).
DOI：

LOU Xiao-ming, FANG Wei-xiang, FEI Pei-yun, et al. Comparative testing on characteristic of load transfer between single pile and single pile with cap[J]. 2005, 26(9). DOI：

摘要

对单桩和带承台单桩进行静载试验比较，桩身与承台下传感器得到了如下荷载传递特性：桩顶荷载分担比随总荷载增加而减小，承台使上部桩身轴力分布平缓，桩侧摩阻力受到削弱，摩阻力传递函数出现软化现象，但同时下部摩阻力发挥得到增强，而桩顶刚度变化不大。这些成果对于桩与承台共同作用特性研究具有重要参考价值。

Abstract

Load transfer tests of single pile and single pile with cap are conducted. The main characteristics of load transfer are as follows：the load on pile top is decreased while the total load increased. The cap on pile top makes distribution of axial force gently

frictional resistance decreased

and transfer function softened at upper pile shaft; meanwhile

frictional resistance at the rest increased; rigidity of pile top is changed a little.

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