摘要
根据黄沙矿2147采煤工作面地质条件,通过理论计算,设计2147采煤工作面切巷的锚网索支护参数,并提出具体的施工工艺,为切巷施工提供了技术依据.切巷的支护效果观测表明,切巷的表面位移量、顶板离层量及锚杆锚固力均控制在切巷围岩变形允许的范围内,切巷锚网索支护效果较好,满足了切巷的服务要求.
Based on real engineering geology condition of the 2147 coal face in Huang sha Coal Mine,through theoretical calculation,design anchor-net combined supporting parameter of the 2147 coal face cut lane,and put forward some specific construction craftwork in construction process,and supply technical sustain for field construction of the cut lane.Supporting effect observation of the cut lane showed that displacement magnitude of the cut lane surface,abscission layer magnitude of the roof,and anchorage force size of the cable are all controlled within the adjacent rock deforming permitted dimension.The results indicate that the anchor-net combined supporting effectiveness of the cut lane is preferably,and satisfy service need of the cut lane.
出处
《河南理工大学学报（自然科学版）》
CAS
2011年第6期647-651,共5页
Journal of Henan Polytechnic University（Natural Science）
基金
山西省自然科学基金资助项目(2011011015-2)
关键词
大跨度
锚网索支护
切巷
great span
anchor-net combined supporting
cut lane
