丰峪煤业十三采区10号煤坚硬顶板强制放顶技术研究  

Study on forced caving technology of hard roof in No.13 mining area of Fengyu coal industry

作　　者：陈腾飞 CHEN Tengfei(Shanxi Coking Coal Huozhou Coal and Electricity Group Fengyu Coal Industry Installation Branch,Linfen 031400,China)

机构地区：[1]山西焦煤霍州煤电集团丰峪煤业安装分公司,山西临汾031400

出　　处：《煤矿现代化》2021年第3期35-37,共3页Coal Mine Modernization

摘　　要：坚硬顶板强度大、完整性好、裂隙不发育,难以随回采推进自行分段垮落,一旦因超载发生大面积垮落,极易造成压架、飓风、冲击地压等直接或次生灾害,安全隐患极大。针对丰峪煤业13采区10号煤顶板情况,针对性提出顶板预裂控制爆破方案,现场实施结果表明,坚硬顶板可以随回采推进自行垮落,达到了预期效果。The hard roof has high strength,good integrity,and lack of cracks.It is difficult to collapse in sections as the stoping advances.Once a large area collapse occurs due to overload,it is very easy to cause direct or secondary occurrence of pressure support,hurricanes,and rock bursts.Disasters pose great security risks.Aiming at the roof situation of 10#coal in the 13th mining area of Fengyu Coal Industry,a targeted roof pre-splitting controlled blasting scheme was proposed.The on-site implementation results showed that the hard roof can collapse on its own with the progress of the stoping,achieving the expected effect.

关 键 词：坚硬顶板 弱化 爆破 预裂 

分 类 号：TD327[矿业工程—矿井建设]