土工基础

›› 2015, Vol. 29 ›› Issue (6): 59-62.

• 工程实录 • 上一篇    下一篇

边坡加固锚索预应力变化规律分析

李方振1，2，柳 侃1，2，黄聿銮2，陈瑞明1，2   

  1. （1.福建省地质灾害重点实验室，福州 350002； 2.福建省地质工程勘察院，福州 350002）
  • 收稿日期:2014-10-09 出版日期:2015-12-22 发布日期:2015-12-30
  • 作者简介:李方振(1985-)，男，硕士研究生，助理工程师，主要研究方向为边坡、基坑及地质灾害监测预警。
  • 基金资助:

    基金项目：国土资源部公益性行业科研专项经费项目（201211039-1）

Pre-stress Changes in the Pre-stressed Anchors for the Slope Stability

LI Fangzhen1,2, LIU Kan1,2, HUANG Yuluan2, CHEN Ruiming1,2   

  1. (1. Fujian Key Laboratory of Geohazard Prevention, Fuzhou 350002;
    2.  Geological Engineering Survey in Fujian Province, Fuzhou 35002)
  • Received:2014-10-09 Online:2015-12-22 Published:2015-12-30

摘要： 基于某工程边坡锚索预应力变化的系统监测和资料分析，根据锚索应力衰减的速度将锚索应力的损失分为快速损失阶段、缓慢损失阶段、相对稳定三个阶段，分析了影响各阶段应力损失的主要因素。工程实例表明，锚索应力监测数据能够实时的反映坡体的变形，在边坡的防护和稳定性评价中发挥重要作用。

关键词: 边坡加固, 锚索, 预应力监测, 应力损失, 边坡稳定性

Abstract: This paper presents a case history of the monitoring and data analysis of the prestressed ground anchors for a slope stability remediation project. The data indicates that the prestress loss can be divided into three stages: Fast prestress loss, gradual loss and relative stable. The influence factors that affecting the stress loss have been summarized. The project results indicates that the prestress monitoring can provide the real time information about the deformation of the slope and the monitoring plays a critical role in the slope stability analysis as well as the mitigation.\=

Key words: Slope Stabilization, Ground Anchors, Pre-stress Monitoring, Pre-stress Loss, Slope Stability