Research on failure mechanism and anchoring force transmission of prestressed cable

LI You; BAI Shi-wei; FANG Zhao-ru; ZHU Wei-shen; YANG Chun-he

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Research on failure mechanism and anchoring force transmission of prestressed cable

更新时间：2026-06-25

- Research on failure mechanism and anchoring force transmission of prestressed cable
- Vol. 24, Issue 5, (2003)
- 作者机构：
  
  中国科学院武汉岩土力学研究所岩土力学重点实验室,湖北,武汉,430071
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU476
- Online First：19 August 2014，
  
  Published：2003
- 稿件说明：
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LI You, BAI Shi-wei, FANG Zhao-ru, et al. Research on failure mechanism and anchoring force transmission of prestressed cable[J]. 2003, 24(5).
DOI：

LI You, BAI Shi-wei, FANG Zhao-ru, et al. Research on failure mechanism and anchoring force transmission of prestressed cable[J]. 2003, 24(5). DOI：

摘要

预应力锚索的破坏机理及锚固力传递模式随锚索形式及结构的不同而不同。对锚固体的一种破坏模式及锚固力渐进破坏时的传递规律进行了研究，总结出了该模式块体稳定性判据及渐进破坏时的锚固力传递递推公式，对预应力锚索的施工设计及机理研究有一定的参考价值。

Abstract

Prestressed cable has been widely used in geotechnical engineering；and much attention has been paid to its reinforcing and failure mechanism. Failure mechanism of prestressed cable varies with its type and structure. One of the failure mechanisms is discussed in this paper. It is thought that separated mortar blocks surrounded by steel wire fail in shear one by one. Based on limit equilibrium method，stability judgement of blocks and recursion formula for the transmission of anchoring force after block failure one by one are obtained. The results obtained are of some significance to design and mechanism study of prestressed cable.

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