| 五家沟煤矿5105工作面坚硬顶板控制技术研究与应用 |
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| 引用本文： | 孙勇,于智卓.五家沟煤矿5105工作面坚硬顶板控制技术研究与应用[J].山东煤炭科技,2021(4):88-90,93,99. |
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| 作者姓名： | 孙勇 于智卓 |
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| 作者单位： | 山西朔州山阴金海洋五家沟煤业有限公司 |
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| 摘 要： | 为了解决5105综放工作面坚硬顶板不易垮落、来压剧烈等问题,确保工作面安全高效生产,确定采用深孔预裂爆破技术对坚硬顶板进行处理,设计了开切眼、两顺槽爆破弱化坚硬顶板的技术参数。实际应用及矿压监测表明,该技术达到了弱化坚硬顶板、降低来压强度、减少压架风险、保证安全生产的目的。
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| 关 键 词： | 坚硬顶板 深孔预裂爆破 工作阻力 |
Research and Application of Hard Roof Control Technology for 5105 Working Face in Wujiagou Coal Mine |
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| Sun Yong,Yu Zhizhuo.Research and Application of Hard Roof Control Technology for 5105 Working Face in Wujiagou Coal Mine[J].Shandong Coal Science and Technology,2021(4):88-90,93,99. |
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| Authors: | Sun Yong Yu Zhizhuo |
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| Affiliation: | (Shanxi Shuozhou Shanyin Jinhaiyang Wujiagou Coal Industry Co.,Ltd.,Shanxi Shuozhou 036900) |
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| Abstract: | In order to solve the hard roof of 5105 fully mechanized top coal caving face is not easy to fall,severe pressure and other problems,and ensure the safe and efficient production of the working face,the deep hole presplitting blasting technology is adopted to deal with the hard roof,and the technical parameters of opening cut and two channel blasting to weaken the hard roof are designed.The practical application and mine pressure monitoring show that the technology achieves the goal of weakening hard roof,reducing the strength of weighting,reducing the risk of support crushing and ensuring safe production. |
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| Keywords: | hard roof deep hole pre-splitting blasting working resistance |
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