| 立井井筒过含水老巷注浆堵水及施工技术 |
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| 引用本文： | 闫昕岭. 立井井筒过含水老巷注浆堵水及施工技术[J]. 煤炭科学技术, 2008, 36(9) |
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| 作者姓名： | 闫昕岭 |
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| 作者单位： | [1]河南理工大学安全科学与工程学院,河南焦作454000 [2]平煤建工集团有限责任公司建井三处,河南平顶山467000 |
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| 摘 要： | 针对立井井筒过含水老巷的特殊情况,结合长期矿山施工经验,提出了采用水下定点注浆堵水、强化支护和壁后注浆加固围岩等办法对井筒进行注浆加固.该次老巷注浆堵水从工作面接近老巷顶板3.5 m处开始准备,到堵水结束共耗时6.7 d,消耗水泥340 t,水玻璃180 t,填入骨料17 m3.采用该方法进行注浆堵水后,老巷段和上下井壁无任何异常,确保了施工的顺利进行.
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| 关 键 词： | 立井井筒 含水老巷 定点注浆 强化支护 |
Grouting water sealing and construction technology for mine shaft sinking through water hearing goaf |
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| YAN Xin-ling. Grouting water sealing and construction technology for mine shaft sinking through water hearing goaf[J]. Coal Science and Technology, 2008, 36(9) |
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| Authors: | YAN Xin-ling |
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| Affiliation: | YAN Xin-ling~(1,2) (1.School of Safety Science , Engineering,Henan Polytechnic University,Jiaozuo 454000,China,2.Mine Shaft Construction No.3 Division,Pingmei Construction , Engineering Group Corporation Ltd.,Pingdingshan 467000,China) |
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| Abstract: | According to the special conditions of the mine shaft sinking through the water beating goaf,in combined with the long term mine construction experiences,the paper provided the under water directional grouting water sealing,reinforced support and surrounding rocks reinforcement with wall back grouting for the grouting reinforcement of mine shaft.The grouting water sealing in the goaf was conduc- ted at the working face with a distance of 3.5 m to the roof of the goaf.When the water sealing completed,the tot... |
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| Keywords: | mine shaft mine water bearing used roadway directional grouting reinforced support |
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