| 综放工作面支架围岩关系相似材料模拟试验 |
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| 引用本文： | 黄庆国,孔令海.综放工作面支架围岩关系相似材料模拟试验[J].煤炭科学技术,2010,38(4). |
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| 作者姓名： | 黄庆国 孔令海 |
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| 作者单位： | 1. 山西大同大学,工学院,山西,大同,037003
2. 北京科技大学,北京,100083 |
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| 摘 要： | 为了解决开采中存在的矿山压力问题,采用相似材料模拟试验的研究方法,分析了塔山矿综放工作面顶板运动范围、规律以及支架受力情况。认为综放面直接顶和基本顶有上位和下位之分,上位直接顶和基本顶在运动过程能形成平衡结构;工作面顶板不同来压阶段,支架受力不同;试验结果得出了通过减小控顶距能够降低工作面支架压力,防止支架压死的途径为适当缩小控顶距,适当增加支架的可压缩量和提高支架的支撑能力。
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| 关 键 词： | 综放开采 相似材料模拟 支架压力 顶板运动 |
Research on Similar Material Simulation Test of Surrounding Rock Relationship for Hydraulic Powered Supports of Fully Mechanized Top Coal Caving Mining Face |
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| HUANG Qing-guo,KONG Ling-hai.Research on Similar Material Simulation Test of Surrounding Rock Relationship for Hydraulic Powered Supports of Fully Mechanized Top Coal Caving Mining Face[J].Coal Science and Technology,2010,38(4). |
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| Authors: | HUANG Qing-guo KONG Ling-hai |
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| Affiliation: | 1.School of Engineering/a>;Shanxi Datong University/a>;Datong 037003/a>;China/a>;2.University of Science and Technology Beijing/a>;Beijing 100083/a>;China |
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| Abstract: | In order to solve the mine stratum pressure problems in the mining operation,the study method with the similar material simulation test was applied to analyze the roof movement scope and law as well as the loaded condition of the hydraulic powered support of the fully mechanized top coal caving mining face in Tashan Mine.The paper held that there would be an upper level and low level difference in the immediate roof and the main roof of the fully mechanized top coal caving mining face.The immediate roof and... |
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| Keywords: | fully mechanized top coal caving mining similar material simulation pressure on hydraulic powered support roof movement |
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