| 聚能爆破切顶技术在沿空留巷中的应用探讨 |
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| 引用本文： | 李斌.聚能爆破切顶技术在沿空留巷中的应用探讨[J].江西煤炭科技,2020(1):105-108. |
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| 作者姓名： | 李斌 |
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| 作者单位： | 山西西山煤电官地矿,山西 太原 030022 |
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| 摘 要： | 为解决官地煤矿12605工作面巷道切顶卸压、围岩不稳定等问题,采用理论分析、数值模拟等手段确定聚能爆破切顶技术参数;采用炮孔深度6.0 m,间距1.0 m布置炮孔方案;确定沿空留巷加强支护方案。确保了沿空留巷的围岩稳定。
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| 关 键 词： | 沿空留巷 爆破切顶 卸压支护 |
Application of Roof Cutting Technology by Cumulative Blasting in Gob-side Entry Retaining |
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| Li Bin.Application of Roof Cutting Technology by Cumulative Blasting in Gob-side Entry Retaining[J].Jiangxi Coal Science & Technology,2020(1):105-108. |
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| Authors: | Li Bin |
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| Affiliation: | (Guandi Colliery,Xishan Coal&Electricity Group Co.,Taiyuan,Shanxi 030022) |
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| Abstract: | To solve the instability of surrounding rock in roof cutting and pressure-relief at 12605 working face of Guandi Colliery,the roof cutting technology by cumulative blasting was adopted with blasting hole depth of 6.0 m and hole layout distance of 1.0 through theoretical analysis and numerical simulation. |
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| Keywords: | gob-side entry retaining roof cutting by blasting pressure-relief support |
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