Study on prestress loss of anchor cables under long-term loading

ZHOU Yong-jiang; HE Si-ming; YANG Xue-lian

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Study on prestress loss of anchor cables under long-term loading

更新时间：2026-06-25

- Study on prestress loss of anchor cables under long-term loading
- Vol. 27, Issue 8期　刊出日, (2006)
- 作者机构：
  
  1. 四川省交通厅公路规划勘察设计研究院,成都,610000
  2. 中国科学院成都山地灾害与环境研究所,成都,610041
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU757
- Online First：26 November 2013，
  
  Published：2006
- 稿件说明：
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ZHOU Yong-jiang, HE Si-ming, YANG Xue-lian. Study on prestress loss of anchor cables under long-term loading[J]. 2006, 27(8期　刊出日).
DOI：

ZHOU Yong-jiang, HE Si-ming, YANG Xue-lian. Study on prestress loss of anchor cables under long-term loading[J]. 2006, 27(8期　刊出日). DOI：

摘要

预应力锚索结构的预应力损失问题是造成锚索失效的关键问题。在具体分析影响预应力损失的各种因素的基础上，给出了各因素导致预应力损失的具体计算方法。特别对长期荷载下预应力损失机理进行了分析，其中钢绞线采用松弛模型；围岩体采用流变模型；灌浆材料采用蠕变模型进行预测。并给出了相应的理论计算公式，为预应力锚索设计、施工以及工后管理等提供了理论依据。

Abstract

The pretress loss of anchor cable is the key cause induced the anchor structure failure; based on investigating all influencing factors

a method for calculating prestress loss is put forward; the influencing factors of prestress loss of anchor cable under long-term loading are analyzed; the relaxation model of steel strand

rheological model of rock as well as creep damage model of grouted material are put forward respectively; and using these theory to predict the prestress loss of anchor cable. There are the significant- sense to design and manage anchor cables.

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ZHOU Yong-jiang1

HE Si-ming2

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Related Institution

Beijing Modern Jingyu Construction Co., Ltd.

School of Mechanics and Civil Engineering, China University of Mining and Technology (Beijing)

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