| 覆岩破坏机理和导水裂隙带发育高度研究 |
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| 引用本文： | 杜元洲,杜何辛.覆岩破坏机理和导水裂隙带发育高度研究[J].山西煤炭,2011,31(4):70-72. |
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| 作者姓名： | 杜元洲 杜何辛 |
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| 作者单位： | 1. 淮南东辰集团,谢家集区新二煤矿,安徽,淮南,232001
2. 淮南矿业集团,顾桥煤矿,安徽,淮南,232001 |
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| 摘 要： | 依据淮南矿业集团顾桥煤矿工作面回采地质条件,采用二维数值模拟软件FLAC2D5.0,分析了工作面顶板的塑性区、应力分布等特征,并分析了工作面回采中导水裂隙带的发育高度。研究表明,采厚3.5m的工作面回采后,上覆岩层导水裂隙带发育高度为66m～72m。
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| 关 键 词： | 掘进机 临时支护 机载 |
Study on Overlying Strata Failure Mechanism and Developing Height of Water-flowing Fractured Zone |
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| DU Yuan-zhou,DU He-xin.Study on Overlying Strata Failure Mechanism and Developing Height of Water-flowing Fractured Zone[J].Shanxi Coal,2011,31(4):70-72. |
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| Authors: | DU Yuan-zhou DU He-xin |
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| Affiliation: | DU Yuan-zhou1,DU He-xin2(1.Xin'er Mine of Xiejiaji District,Huainan Dongchen Group,Huainan Anhui 232001,2.Guqiao Mine of Huainan Mining Group,Huainan Anhui 232001) |
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| Abstract: | According to geological condition of working face in Guqiao mine,the author uses 2D numerical simulation software FLAC2D5.0 to analyze the plastic zone of roof,stress distribution and developing height of water-flowing fractured zone.The study shows that the height of upper overlying strata water-flowing fractured zone is 66-72m after the 3.5m-thick driving. |
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| Keywords: | plastic zone stress distribution water-flowing fractured zone |
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