| 大倾角轻型支架综采放顶煤矿山压力显现规律研究 |
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| 引用本文： | 卞金岭,朱芳队,杨正凯. 大倾角轻型支架综采放顶煤矿山压力显现规律研究[J]. 中州煤炭, 2011, 0(1) |
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| 作者姓名： | 卞金岭 朱芳队 杨正凯 |
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| 作者单位： | 1. 河南理工大学,能源科学与工程学院,河南,焦作,454000;河南煤业化工集团,鹤煤公司,河南,鹤壁,458000
2. 河南理工大学,能源科学与工程学院,河南,焦作,454000 |
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| 摘 要： | 通过对鹤煤二矿二1煤层3604综放工作面支架工作阻力、工作面顶板破碎度、巷道变形以及顶煤运移的观测,掌握了支架工作阻力、工作面端面区域顶板破碎及冒落状况、工作面巷道的变形情况、顶煤及顶板运移规律.同时也确定了工作面周期来压步距、来压强度以及支架工作阻力的变化规律,为合理评价该支架在大倾角煤层条件下的适应性和确定合理支护方式提供了科学依据.
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| 关 键 词： | 大倾角 综采放顶煤 矿山压力 轻型支架 |
Research on Strata Behaviors Regularity of Fully-mechanized Top Coal Caving with Large Inclined Angle Mining and Light Supports |
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| Bian Jinling,Zhu Fangdui,Yang Zhengkai. Research on Strata Behaviors Regularity of Fully-mechanized Top Coal Caving with Large Inclined Angle Mining and Light Supports[J]. Zhongzhou Coal, 2011, 0(1) |
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| Authors: | Bian Jinling Zhu Fangdui Yang Zhengkai |
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| Affiliation: | Bian Jinling1,2,Zhu Fangdui1,Yang Zhengkai1(1.School of Energy Science and Engineering,Henan Polytechnic University,Jiaozuo 454000,China,2.Hebi Coal Co.,Ltd.,Henan Coal Industry and Chemical Group Co.,Hebi 458000,China) |
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| Abstract: | By observations on hydraulic supports resistance and situation of broken roof,deformation of roadway,top coal movement on 3604 fully-mechanized top coal caving face in Hebi No.2 Mine,working resistance of light supports,the roof broken and roof caving of working face end,deformation of roadway and the laws of top coal movement were mastered.The cycle weighting intervals of working face,periodic pressure strength and change rules of working resistance of supports were also determined,which provided scientifi... |
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| Keywords: | large inclined angle fully-mechanized top coal caving mine pressure light supports |
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