排桩支护基坑的一种桩身位移及内力解析法推导及其应用

肖荣军; 何 广; 史宏彦

doi:10.16285/j.rsm.2015.S2.064

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排桩支护基坑的一种桩身位移及内力解析法推导及其应用

岩土工程研究 | 更新时间：2026-06-25

- 排桩支护基坑的一种桩身位移及内力解析法推导及其应用
- An analytical method for pile displacements and internal forces of foundation pit braced with row of piles and its application
- 岩土力学 2015年36卷第S2期页码：459-468
- 作者机构：
  
  1. 广东省佛山地质局,广东,佛山,528000
  2. 广东工业大学土木与交通工程学院,广东,广州,510006
- 作者简介：
- 基金信息：
- DOI：10.16285/j.rsm.2015.S2.064
  中图分类号： TU473
- 网络首发：2018-06-14，
  
  纸质出版：2015
- 稿件说明：
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肖荣军, 何广, 史宏彦. 排桩支护基坑的一种桩身位移及内力解析法推导及其应用[J]. 岩土力学, 2015,36(S2):459-468.

XIAO Rong-jun, HE Guang, SHI Hong-yan. An analytical method for pile displacements and internal forces of foundation pit braced with row of piles and its application[J]. 2015, 36(S2): 459-468.
肖荣军, 何广, 史宏彦. 排桩支护基坑的一种桩身位移及内力解析法推导及其应用[J]. 岩土力学, 2015,36(S2):459-468. DOI： 10.16285/j.rsm.2015.S2.064.

XIAO Rong-jun, HE Guang, SHI Hong-yan. An analytical method for pile displacements and internal forces of foundation pit braced with row of piles and its application[J]. 2015, 36(S2): 459-468. DOI： 10.16285/j.rsm.2015.S2.064.

摘要

选取某一支护面上的任意一根桩为研究对象，设置一道支撑（或锚索或锚杆）及开挖至坑底，建立其受力平衡方程和位移协调方程。通过圈梁的协调作用，将研究对象扩大到整个支护面，推导出能够同时考虑开挖过程、支撑设置以及桩-土-圈梁共同作用的支护面位移和受力方程组，利用FORTRAN语言编制的程序求解，可计算出开挖至坑底工况下圈梁、桩身任一截面的内力、水平位移。通过算例计算圈梁（桩顶）的位移与监测位移及部分桩的内力，与文献[1]方法计算的内力进行对比分析，验证文中方法的合理与可行性。

Abstract

Selecting any one bracing plane on a pile as the research object

according to set up a bracing (or anchor or bolt) and excavation to the bottom of foundation pit

the force balance equation and the displacement coordination equation is established. Then through the collaborative working among the ring beam to them

the research object is extended to the entire bracing plane

to consider the excavation process

internal bracing to be set and soil-pile-ring beam interaction bracing plane displacement and force equations is derived. And then using FORTRAN language to solve the program

the horizontal displacement and internal force will be calculated to the ring beam and any section of the pile body to foundation pit excavation to bottom. Through a case study

it is shown that the calculated ring beam(pile top) displacements are consistent with monitoring results; and internal forces for some piles are consistent with calculated results by the references [1]. Finally

the proposed method is proved to be reasonable and feasible.

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