| 综放跨采巷道棚-索耦合协同支护技术 |
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| 引用本文： | 田磊,谢文兵,荆升国,邢艳冬,彭剑平. 综放跨采巷道棚-索耦合协同支护技术[J]. 煤炭科学技术, 2011, 39(11): 44-47,62 |
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| 作者姓名： | 田磊 谢文兵 荆升国 邢艳冬 彭剑平 |
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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 |
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| 摘 要： | 芦岭煤矿Ⅱ82运输上山受上方Ⅱ927综放工作面跨采影响且巷道围岩比较破碎,通过分析巷道围岩失稳机理得出了导致U型钢支架结构失稳的原因及锚索支护合理位置,提出了棚-索耦合支护技术方案;利用U型钢支架形成的基本承载结构,通过壁后充填注浆实现了破碎围岩与U型钢支架的第一次耦合,再根据巷道围岩的变形特征和U型钢支架的结构失稳类型,通过合理布置结构补偿锚索实现支护结构补偿,使U型钢支架与锚索形成二次耦合支护,进而提高支架的整体承载能力和支护结构的稳定性,在整个跨采期间巷道顶底板移近量累计475 mm,两帮移近量累计206 mm。
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| 关 键 词： | 综放跨采 U型钢支架 结构补偿 高应力破碎巷道 壁后充填注浆 棚-索耦合支护 |
Framed Timber and Anchor Coupling Collective Support Technology for Fully Mechanized Top Coal Mining Face Crossing Over Gateway |
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| TIAN Lei,XIE Wen-bing,JING Sheng-guo,XING Yan-dong,PENG Jian-ping. Framed Timber and Anchor Coupling Collective Support Technology for Fully Mechanized Top Coal Mining Face Crossing Over Gateway[J]. Coal Science and Technology, 2011, 39(11): 44-47,62 |
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| Authors: | TIAN Lei XIE Wen-bing JING Sheng-guo XING Yan-dong PENG Jian-ping |
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| Affiliation: | TIAN Lei,XIE Wen-bing,JING Sheng-guo,XING Yan-dong,PENG Jian-ping(School of Mining Engineering,China University of Mining and Technology,Xuzhou 221008,China) |
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| Abstract: | |
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| Keywords: | crossing mining of fully mechanized top coal mining face U type steel framed support high stressed broken gateway grouting backfill behind gateway sidewall framed timber and anchor coupling support |
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