Limit analysis of soil-nailing protecting structures

TU Yu-min1; WANG Jian-jiang2

doi:10.16285/j.rsm.2006.09.026

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Limit analysis of soil-nailing protecting structures

更新时间：2026-06-25

- Limit analysis of soil-nailing protecting structures
- Issue 9, Pages: 1559-1562(2006)
- 作者机构：
  
  1. 浙江大学土木工程学系
  2. 浙江大学建筑工程学院
- 作者简介：
- 基金信息：
- DOI：10.16285/j.rsm.2006.09.026
  CLC： TU476
- Published：2006
- 稿件说明：
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[1]屠毓敏,王建江.土钉支护结构的极限分析方法[J].岩土力学,2006(09):1559-1562.

TU Yu-min1, WANG Jian-jiang2. Limit analysis of soil-nailing protecting structures[J]. 2006, (9): 1559-1562.
[1]屠毓敏,王建江.土钉支护结构的极限分析方法[J].岩土力学,2006(09):1559-1562. DOI： 10.16285/j.rsm.2006.09.026.

TU Yu-min1, WANG Jian-jiang2. Limit analysis of soil-nailing protecting structures[J]. 2006, (9): 1559-1562. DOI： 10.16285/j.rsm.2006.09.026.

摘要

土钉支护结构一般均按极限状态进行设计

其中稳定性验算为设计之重点。根据土钉支护结构的特点

从分析土钉支护结构的破坏模式入手

利用土坡的极限破坏理论和结构体的塑性极限分析方法

研究了土钉支护结构旋转滑动破坏的可能性

并依此来分析土钉支护结构的稳定性。研究表明

对位于软弱地基中的土钉支护结构

土钉结构本身的极限破坏的可能性很大

在工程设计中宜采用钢管击入土钉

以增强其抗弯能力。

Abstract

The soil-nailing protecting structure is designed by limiting condition generally; and in all

to check its stability is important in design. According to the structure characteristics

analyzing the breakage pattern of soil-nailing protecting structure

making use of the limit broke theories of the slope and the limit analysis method of the structure body

this paper studied that the revolving and gliding breakage of the soil-nailing protecting structure occurred possibly. Depending on this

the stability of the soil-nailing protecting structure was analyzed. The research results show that the soil-nailing structure was broken possibly itself in the weak foundation. The steel pipe shot buries soil-nailing was properly adopted in order to strengthen its bending resistance in engineering design.

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