大跨度切眼围岩支护参数设计
郄晓剑
（山西潞安集团蒲县隰东煤业有限公司，山西 蒲县 041208）
摘要： 针对20106 采面大跨度切眼实际地质情况，提出了大断面切眼围岩支护方案，采用数值模拟、现场实测方法
对大跨度切眼的顶底板及巷帮位移变化情况进行分析。结果表明，针对20106 采面大跨度切眼提出的围岩支护参数在确
保切眼稳定的前提下适当降低了顶板支护密度，不仅可以确保大跨度切眼后续使用安全，而且还降低了巷道支护成本，
现场应用取得显著效果。
关键词： 切眼；大跨度；围岩变形；支护参数
中图分类号： TD353     文献标志码： A     文章编号： 2095-0802-(2020)09-0007-02
Parameter Design of Surrounding Rock Support for Longspan Cutting Holes
QIE Xiaojian
(Puxian Xidong Coal Industry Co., Ltd., Shanxi Lu'an Group, Puxian 041208, Shanxi, China)
Abstract: According to the actual geological conditions of 20106 mining face, this paper put forward the surrounding rock
support scheme of longspan cutting holes, and analyzed the displacement changes of roof, floor and roadway sides of longspan
cutting holes by using numerical simulation and field measurement methods. The results showed that the surrounding rock support
parameters proposed for 20106 mining face longspan cutting holes could properly reduce the roof support density on the premise
of ensuring the stability of the cutting holes, which could not only ensure the subsequent use safety of longspan cutting holes, but
also reduce the roadway support cost. The field application had achieved remarkable results.

Key words: cutting holes; longspan; surrounding rock deformation; support parameters