| 高水速凝材料在超高冒顶巷道治理中的应用 |
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| 引用本文： | 宁帅,冯光明,牛建春,李建辉,周振,王成真. 高水速凝材料在超高冒顶巷道治理中的应用[J]. 煤炭科学技术, 2009, 0(8): 21-23 |
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| 作者姓名： | 宁帅 冯光明 牛建春 李建辉 周振 王成真 |
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| 作者单位： | 中国矿业大学,矿业工程学院,江苏,徐州,221008;永城煤电(集团)有限责任公司,新桥煤矿,河南,永城,476600 |
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| 摘 要： | 为治理断层所引起的超高冒顶,根据高水材料可速凝、初期强度高、流动性好、凝固时间可调和渗透性强的特点,采用高水材料注浆成功治理了新桥煤矿-550 m水平南翼运输大巷的超高冒顶区,封堵了高达8.5 m左右的冒落空洞,并加固了冒落区的围岩,提高了破碎围岩的整体性和稳定性,有效防止了冒落空洞的再次冒顶和坍塌。
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| 关 键 词： | 高水速凝充填材料 巷道 超高冒顶 注浆加固 |
Application of High Water Content and Quick Setting Material to Ultra High Roof Failing Control of Mine Gateway |
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| NING Shuai,FENG Guang-ming,NIU Jian-chun,LI Jian-hui,ZHOU Zhen,WANG Cheng-zhen. Application of High Water Content and Quick Setting Material to Ultra High Roof Failing Control of Mine Gateway[J]. Coal Science and Technology, 2009, 0(8): 21-23 |
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| Authors: | NING Shuai FENG Guang-ming NIU Jian-chun LI Jian-hui ZHOU Zhen WANG Cheng-zhen |
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| Affiliation: | 1.School of Mining Engineering;China University of Mining and Technology;Xuzhou 221008;China;2.Xinqiao Mine;Yongcheng Coal and Electric Power Group Corporation Ltd.;Yongcheng 476600;China |
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| Abstract: | In order to handle the ultra high roof failing occurred by the fault,according to the quick setting,initial high strength,good flowability,adjustable setting time and high permeability and other features of the high water content material,the high water content material was successfully applied to handle the ultra high roof failing in-550 m level south wing transportation roadway of Xinqiao Coal Mine.A roof failing cave with about 8.5 m height was sealed and the surrounding rocks of the roof failing zone we... |
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| Keywords: | high water content and quick setting backfilling material mine gateway ultra high roof failing grouting reinforcement |
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