| 长距离定位钻孔注浆技术 |
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| 引用本文： | 赵崇敬,张吉顺.长距离定位钻孔注浆技术[J].煤炭技术,2011,30(8). |
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| 作者姓名： | 赵崇敬 张吉顺 |
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| 作者单位： | 龙煤集团双鸭山分公司双阳煤矿,黑龙江双鸭山,155100 |
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| 摘 要： | 井下采空区发生自燃发火在确定疑似火点的情况下,能否将钻孔通过冒落带、裂隙带到达火点附近成为灭火的关键。针对打钻过程中出现钻孔弯曲的原因从地质因素、工艺技术因素进行分析,介绍了采空区下注浆钻杆的特殊要求和应用实例。
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| 关 键 词： | 钻孔弯曲 注浆钻杆 现场应用 |
Long Positioning Hole Grouting |
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| ZHAO Chong-Jing,ZHANG Ji-shun.Long Positioning Hole Grouting[J].Coal Technology,2011,30(8). |
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| Authors: | ZHAO Chong-Jing ZHANG Ji-shun |
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| Affiliation: | ZHAO Chong-Jing,ZHANG Ji-shun(Shuangyang Coal Mine,Shuangyashan Branch of Longmay Group,Shuangyashan 155100,China) |
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| Abstract: | In the case of determining the point of suspected fire underground air spontaneous combustion,whether drill can go through the caving zone,fracture zone near a fire is a key.Direct to the reasons for drilling bending during drilling,geological factors,the technology factors are analyzed,and the special requirements of grouting drill and application examples in goaf are introduced. |
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| Keywords: | drilling bending grouting drill field application |
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