| 综放支架支护强度与煤层采出厚度关系的研究 |
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| 引用本文： | 毛德兵.综放支架支护强度与煤层采出厚度关系的研究[J].煤炭科学技术,2009,37(1). |
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| 作者姓名： | 毛德兵 |
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| 作者单位： | 天地科技股份有限公司开采设计事业部,北京,10013
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| 摘 要： | 基于厚煤层综放开采过程中,支护强度1.0 MPa以上的强力支架出现支架压死、立柱损坏等矿压显现强烈情况,分析了综放支架支护强度确定方法存在的问题,给出了厚煤层适宜的支架支护强度确定方法.采用数值模拟方法研究了综放支架支护强度与煤层采出厚度之间的关系,结果表明支架支护强度与煤层厚度成正相关关系,当煤层厚度达到一定极限后,受支架支护强度不能无限增大的限制,需要进行分层开采.
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| 关 键 词： | 综放开采 巨厚煤层 支护强度 煤层厚度 |
Study on Relative Relationship Between Support Strength of Hydraulic Powered Caving Support and Thickness Mined in Seam |
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| MAO De-bing.Study on Relative Relationship Between Support Strength of Hydraulic Powered Caving Support and Thickness Mined in Seam[J].Coal Science and Technology,2009,37(1). |
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| Authors: | MAO De-bing |
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| Affiliation: | Mining and Design Department;Tiandi Science and Technology Company Ltd.;Beijing 100013;China |
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| Abstract: | During the fully mechanized top coal caving mining in the thick seam,there were supports jammed,support cylinder failure and strong strata behavior occurred on the power hydraulic powered supports with a support strength over 1.0 MPa.The paper analyzed the existing problems in the support strength determined method for the hydraulic powered supports applied to the fully mechanized top coal ca- ving mining and provided the support strength determined method of the hydraulic powered supports suitable for the ... |
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| Keywords: | fully mechanized top coal caving mining super thick seam support strength seam thickness |
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