Research on anti-pulling mechanism in soil-nailing supporting system

DING Zhen-ming; QIN Si-qing; LIU Jun; XIA Bai-ru

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Research on anti-pulling mechanism in soil-nailing supporting system

更新时间：2026-06-25

- Research on anti-pulling mechanism in soil-nailing supporting system
- Vol. 26, Issue 11, (2005)
- 作者机构：
  
  1. 中国科学院地质与地球物理研究所,北京,100029
  2. 北京市市政工程研究院,北京,100037
  3. 中国地质大学（北京）工程技术学院,北京,100083
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU472
- Online First：03 January 2014，
  
  Published：2005
- 稿件说明：
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DING Zhen-ming, QIN Si-qing, LIU Jun, et al. Research on anti-pulling mechanism in soil-nailing supporting system[J]. 2005, 26(11).
DOI：

DING Zhen-ming, QIN Si-qing, LIU Jun, et al. Research on anti-pulling mechanism in soil-nailing supporting system[J]. 2005, 26(11). DOI：

摘要

对基坑土钉支护体系中抗拔力机理作用的分析与研究，提出了关于抗拔力的新观点。研究认为，土钉支护体系的抗拔力应由钉土作用抗拔力和土体自承作用抗拔力两部分来组成；土钉在支护体系中首先是作为传力构件传递土体自承作用抗拔力，而后是通过钉土作用提供抗拔力。进一步分别对两部份的抗拔力进行理论求解，确定了土钉支护体系总抗拔力。最后通过工程实例证明了所提出抗拔力机理作用及其求解的正确性。

Abstract

The anti-pulling mechanism of soil-nailing supporting system in foundation pit is analyzed and discussed; and a new viewpoint about anti-pulling mechanism is put forward. Anti-pulling force in soil-nailing supporting system mainly originates from two parts: the nail-soil interaction and the self-supporting of soil. In the supporting system

soil-nailing

as a force transfer component

firstly transfers the anti-pulling force originating from the self-supporting of soil; then gives other force by the nail-soil interaction. The total anti-pulling force in the supporting mechanism is determined by solving theoretically the two anti-pulling forces respectively. Finally

an engineering case is introduced to prove the reasonability of the anti-pulling mechanism; and its theoretical solution is suggested.

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