Analysis of factors affected on prestress losses of unloading rock mass

LI Jian-lin; DENG Hua-feng; HUANG Jian-wen; WANG Le-hua; YANG Xue-tang

doi:10.16285/j.rsm.2005.s1.069

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Analysis of factors affected on prestress losses of unloading rock mass

更新时间：2026-06-25

- Analysis of factors affected on prestress losses of unloading rock mass
- Issue S1, Pages: 292-295(2005)
- 作者机构：
  
  1. 三峡大学土木水电学院
  2. 三峡大学土木水电学院,湖北,宜昌,443002
- 作者简介：
- 基金信息：
- DOI：10.16285/j.rsm.2005.s1.069
  CLC： TU452
- Published：2005
- 稿件说明：
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[1]李建林,邓华锋,黄建文,王乐华,杨学堂.卸荷岩体锚固预应力损失的影响因素分析[J].岩土力学,2005(S1):292-295.

LI Jian-lin, DENG Hua-feng, HUANG Jian-wen, et al. Analysis of factors affected on prestress losses of unloading rock mass[J]. 2005, (S1): 292-295.
[1]李建林,邓华锋,黄建文,王乐华,杨学堂.卸荷岩体锚固预应力损失的影响因素分析[J].岩土力学,2005(S1):292-295. DOI： 10.16285/j.rsm.2005.s1.069.

LI Jian-lin, DENG Hua-feng, HUANG Jian-wen, et al. Analysis of factors affected on prestress losses of unloading rock mass[J]. 2005, (S1): 292-295. DOI： 10.16285/j.rsm.2005.s1.069.

摘要

讨论了影响卸荷岩体锚固预应力变化的岩体应力状态、岩体性质与流变、锚固时间、钢材松弛、施工质量、锚索结构与环境变化等因素

得出了不同因素对卸荷岩体锚固预应力损失的影响效应

并分析了各种影响因素与预应力损失的耦合作用

得出了相关的结论。

Abstract

The factors affected on prestress losses of unloading rock mass such as stress state of rock mass

rock mass property

rheology of rock mass

the time of prestress action

steel fiber relaxation

construction quality

anchor cable structure

environment change in long time are discussed; the mechanism of prestress losses with factors is put forward; and the coupling between different factors and prestress losses is discussed too. The relevant conclusions are drawn.

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Related Institution

State Key Laboratory of Water Resources and Hydropower Engineering Science, Wuhan University

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