Study on working mechanism of forepoling bolts in soil nailing protection

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Study on working mechanism of forepoling bolts in soil nailing protection

更新时间：2026-06-25

- Study on working mechanism of forepoling bolts in soil nailing protection
- Vol. 24, Issue 2, (2003)
- 作者机构：
  
  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： TU753
- Online First：19 August 2014，
  
  Published：2003
- 稿件说明：
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TU Yu-min. Study on working mechanism of forepoling bolts in soil nailing protection[J]. 2003, 24(2).
DOI：

TU Yu-min. Study on working mechanism of forepoling bolts in soil nailing protection[J]. 2003, 24(2). DOI：

摘要

超前锚杆作为土钉基坑支护中的主要抗滑措施，在现有的土钉墙基坑支护结构设计中，仅验算其整体稳定性或`作为抗滑安全储备。将Ito and Matsui所提出的作用于排桩上的土压力理论应用于超前锚杆分析，研究了超前锚杆在土钉基坑支护中所起的抗滑作用，提出了带有超前锚杆的土钉墙稳定性分析方法，并得到工程实例的验证。通过研究可以提高土钉墙的设计理论，降低工程造价。

Abstract

The forepoling bolts are used for major anti-sliding measure in soil nailing retaining and protection of foundation excavation. In the forthcoming design of soil-nailing retaining wall with forepoling bolts

the whole stability is only checked or they are used for safe reserve. This paper applies the theory of earth pressure acting on piles in a row

which had already been derived by Ito and Matsui

to analyze forepoling bolts. The anti-sliding action that the forepoling bolts take in the soil nailing retaining wall is studied. The stability analyzing method for the soil-nailing wall with the forepoling bolts is expounded; and it has been verified by an engineering example. By studying the soil-nailing wall with the forepoling bolts

its design theory will be greatly improved. Meanwhile

engineering cost will be decreased.

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