Experimental investigation on force behavior and earth pressure of cantilever fender pile

HUANG Xue-feng; ZHANG Bei; QIN Xiao-hua; LI Xu-dong

doi:10.16285/j.rsm.2015.02.006

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Experimental investigation on force behavior and earth pressure of cantilever fender pile

更新时间：2026-06-25

- Experimental investigation on force behavior and earth pressure of cantilever fender pile
- Vol. 36, Issue 2, Pages: 340-346(2015)
- 作者机构：
  
  1. 后勤工程学院土木工程系,重庆,401311
  2. 后勤工程学院岩土力学与地质环境保护重庆市重点市重点实验室,重庆,401311
- 作者简介：
- 基金信息：
- DOI：10.16285/j.rsm.2015.02.006
  CLC： TU473
- Online First：13 June 2018，
  
  Published：2015
- 稿件说明：
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HUANG Xue-feng, ZHANG Bei, QIN Xiao-hua, et al. Experimental investigation on force behavior and earth pressure of cantilever fender pile[J]. 2015, 36(2): 340-346.
DOI：

HUANG Xue-feng, ZHANG Bei, QIN Xiao-hua, et al. Experimental investigation on force behavior and earth pressure of cantilever fender pile[J]. 2015, 36(2): 340-346. DOI： 10.16285/j.rsm.2015.02.006.

摘要

为研究悬臂式围护桩结构的受力性状和土压力分布特点，结合西宁火车站改造工程，对该深基坑支护结构在不同开挖工况条件下，悬臂桩的受力性状与内力传递特征进行动态的现场试验。试验结果表明：悬臂桩的受力特征与理论值有所差异，在实际设计中，可对其在配筋方式、混凝土设计、嵌固段长度等方面进行优化，实测土压力小于朗肯土压力，与经典土压力理论有显著区别。该试验结果可以有效优化桩身设计，为软岩基坑支护结构在开挖过程中的受力及变形提供理参考性依据。

Abstract

This paper aims to study the development and distribution features of the force and earth pressure of cantilever fender pile. Data used in this paper are obtained from the field experiment on the construction site of Xining railway station; and an analysis is carried out on the basis of these data. The behavior of cantilever fender pile under different excavations and the development of internal force are presented. Experimental data obtained from the field test are different from the theoretical values

so it is necessary and feasible to adjust and optimize the reinforcement

concrete design and embedment depth. Strategies for optimization are put forward. The experimental earth pressure is less than the Rankine pressure of the classical earth pressure theory. Results of this paper can effectively optimize the pile design

and can also provide monitoring and controlling for the force and deformation of supporting structure in soft rock pit excavation.

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