沿空留巷应用柔模混凝土支护可行性探讨

Discussion on the feasibility of soft-form concrete support for retaining roadway along gob

以鹿台山煤业2号煤层回采工作面支护为例,综合采用矿压理论分析、理论计算等方法,通过分析顶板上覆岩层运移规律以及巷旁支护载荷,并验算混凝土墙体的强度是否满足安全系数,提出合理的柔模混凝土支护参数及支护材料,探讨鹿台山煤业沿空留巷围岩控制技术的可行性。

By analysis of the overlying strata movement law on the roof and the supporting load of the roadside and checking whether the strength of the concrete wall meets the safety factor through mine pressure theoretical analysis and theoretical calculations,the author proposes the reasonable parameters and support material of the flexible concrete support at the mining face of No.2 coal seam in Lutaishan Coal Industry,and probes into the feasibility of surrounding rock control technology at retaining roadway along the road.