煤矿锚索预紧应力损失原因分析及解决途径  

Cause Analysis of Pre-tightening Loss of Anchor Cable and Settling Approach

作　　者：林健[1] 康红普[1] 

机构地区：[1]天地科技股份有限公司开采设计事业部,北京100013

出　　处：《煤矿开采》2008年第6期6-8,共3页Coal Mining Technology

基　　金：国家科技支撑计划项目(2006BAB16B02);国家科技支撑计划项目(2006BAK03B06-03)

摘　　要：针对煤矿井下小孔径树脂锚固锚索预应力损失的问题,详细分析了影响预应力损失的各种因素及影响程度,在此基础上提出了改进措施,并提出了对锚索进行超张拉的施工措施,以提高锚索的支护效果。Aiming at pre-tightening loss problem of anchor cable with small-bore resin underground, this paper analyzes factors and degree of influencing pre-tightening loss. Based on this, a construction measure that anchor cables are tensed extremely is put forward to improve supporting effect of anchor cable.

关 键 词：锚索 预应力 超张拉 

分 类 号：TD350.1[矿业工程—矿井建设]