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回坡底煤矿回采巷道切顶卸压工程实践 被引量:3

Practice on Pressure Relief by Roof Cutting in Gateway of Huipodi Colliery
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摘要 为了解决回坡底煤矿11-102工作面进风巷一侧(沿空留巷)巷道受力及变形量较大的问题,决定采用切顶卸压技术;基于以往大量的施工经验,拟定施工工艺;依据施工段和未施工段内巷道围岩矿压监测数据,对锚杆锚索受力、巷道围岩变形及围岩受力特征进行分析;切顶卸压施工段内巷道围岩变形及受力均有明显的降低,巷道围岩控制效果良好。 Aiming at the roadway stress and deformation in gob-side entry retaining at 11-102 working face of Huipodi Colliery,the author proposes the technology of pressure relief by roof cutting,including the construction technique designed through former construction experience and the characteristics analysis of bolt and cable stress,and surrounding rock deformation and stress based on ground pressure monitoring data of roadway surrounding rock in construction section and unconstruction section,which can remarkably reduce the surrounding rock deformation and stress of roadway in construction section with good control effect of surrounding rock.
作者 赵瑞华 Zhao Ruihua(Huidipo Colliery,Shanxi Fenhe Coking Coal Co.,Ltd.,Huozhou Coal and Electricity Group.,Hongdong,Shanxi 041600)
出处 《江西煤炭科技》 2022年第3期31-33,共3页 Jiangxi Coal Science & Technology
关键词 沿空留巷 巷道变形 切顶卸压 矿压监测 gob-side entry retaining roadway deformation pressure relief by roof cutting ground pressure monitoring
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