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

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.