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

ZHOU Yong-jiang1; HE Si-ming2; YANG Xue-lian1

doi:10.16285/j.rsm.2006.08.025

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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
- Issue 8, Pages: 1353-1356(2006)
- 作者机构：
  
  1. 四川省交通厅公路规划勘察设计研究院
  2. 中国科学院成都山地灾害与环境研究所
- 作者简介：
- 基金信息：
- DOI：10.16285/j.rsm.2006.08.025
  CLC： TU757.2
- Published：2006
- 稿件说明：
移动端阅览
[1]周永江,何思明,杨雪莲.预应力锚索的预应力损失机理研究[J].岩土力学,2006(08):1353-1356.

ZHOU Yong-jiang1, HE Si-ming2, YANG Xue-lian1. Study on prestress loss of anchor cables under long-term loading[J]. 2006, (8): 1353-1356.
[1]周永江,何思明,杨雪莲.预应力锚索的预应力损失机理研究[J].岩土力学,2006(08):1353-1356. DOI： 10.16285/j.rsm.2006.08.025.

ZHOU Yong-jiang1, HE Si-ming2, YANG Xue-lian1. Study on prestress loss of anchor cables under long-term loading[J]. 2006, (8): 1353-1356. DOI： 10.16285/j.rsm.2006.08.025.

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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Related Author

HUANG Chao-qiang4

LI Ni1

PENG Yi1

ZHU Wei-shen2

LI You1

TIAN Hong-ming

CHEN Wei-zhong

XIAO Zheng-long

Related Institution

School of Civil and Architectural Engineering, Central South University

Research Center of Geotechnical and Structural Engineering, Shandong University

Institute of Rock and Soil Mechanics,Chinese Academy of Sciences

State Key Laboratory of Geomechanics and Geotechnical Engineering, Institute of Rock and Soil Mechnacis, Chinese Academy of Sciences

Research Center of Geotechnical and Structural Engineering，Shandong University

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