| 朝阳煤矿矿压观测与分析 |
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| 引用本文： | 刘毅,闫洁伦.朝阳煤矿矿压观测与分析[J].辽宁工程技术大学学报(自然科学版),2010,29(2). |
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| 作者姓名： | 刘毅 闫洁伦 |
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| 作者单位： | 1. 辽宁工程技术大学,资源与环境工程学院,辽宁,阜新,123000
2. 阜新矿务局,职工大学,辽宁,阜新,123003 |
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| 基金项目： | 辽宁省教育厅基金资助项目 |
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| 摘 要： | 为掌握朝阳煤矿II-31煤层在煤层开采过程中工作面上覆岩层运动规律,回采空间围岩与支架相互作用关系,采动引起的支承压力分布。对在既定条件下使用支架的架型、参数、特性和支护效果提出评定性意见。采用现场实测法对朝阳煤矿II-31工作面进行了矿压观测,掌握了该煤层在工作面开采过程中的顶板初次来压和周期来压步距、工作面支架支护强度、围岩破坏活动过程中煤壁中应力变化大小和应力影响范围。为现场管理提供完善、准确的资料,以直接指导生产实践解决工程问题。
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| 关 键 词： | 矿压显现 初次来压 周期来压 |
Mine underground pressure observation and analysis of chaoyang coal mine |
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| LIU Yi,YAN Jielun.Mine underground pressure observation and analysis of chaoyang coal mine[J].Journal of Liaoning Technical University (Natural Science Edition),2010,29(2). |
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| Authors: | LIU Yi YAN Jielun |
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| Institution: | LIU Yi1,YAN Jielun2 (1.College of Resources and Environment Engineering,Liaoning Technical University,Fuxin 123000,China,2.Fuxin Mining Worker University,Fuxin 123003,China) |
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| Abstract: | In order to obtain the characteristics of strata movement during the mining operations at II-31 coal face in Chaoyang coal mine,the interaction between surrounding rock and supports,the distribution of abutment pressure caused by mining,the paper proposes a method for determining the parameters,properties and bolting effects of supports.The field observation and measurement at II-31 coal face was conducted to find the distance of initial pressure and period pressure for the coal seam investigated,supports' ... |
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| Keywords: | strata behavior initial pressure periodical pressure |
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