近距离煤层顶板破碎条件下沿空留巷巷旁支护分析

Analysis of Roadside Support for Gob-side Entry Retaining under the Condition of Broken Roof in Close-distance Coal Seams

沿空留巷技术作为一种能有效提升煤炭回采率的巷道留设工艺,对增强矿井综合收益有着积极影响。结合具体工程实际,对近距离煤层顶板破碎条件下的沿空留巷巷旁支护做出探究,并对其留巷效果和效益做出分析。结果表明,所设计方案能实现近距离煤层顶板破碎条件下的成功留巷且有助于矿井综合效益的提升,对矿井更好发展有着积极帮助。

Gob-side entry retaining technology,as a kind of roadway retaining technology which can effectively improve coal recovery rate,has a positive impact on enhancing the comprehensive benefits of the mine.Combining with the actual project,this paper explored the roadside support for gob-side entry retaining under the condition of broken roof in close-distance coal seams,and made an analysis of the effect and benefits of the gob-side retaining roadway.The results show that the design scheme can realize the successful entry retaining under the condition of broken roof in close-distance coal seams,is helpful to improve the comprehensive benefits of the mine,and has a positive help for the better development of the mine.