| 错层位综放开采采场覆岩结构及大“O”形圈特性分析 |
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| 引用本文： | 张俊文,王国龙,王鹏,吴波,吕亚伟,赵景礼.错层位综放开采采场覆岩结构及大“O”形圈特性分析[J].山东科技大学学报(自然科学版),2011,30(4). |
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| 作者姓名： | 张俊文 王国龙 王鹏 吴波 吕亚伟 赵景礼 |
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| 作者单位： | 中国矿业大学资源与安全工程学院,北京100083 [2]黑龙江科技学院资源与环境工程学院,黑龙江哈尔滨150027 |
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| 基金项目： | 国家自然科学基金项目，黑龙江省教育厅基金重点项目，黑龙江省教育厅基金项目 |
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| 摘 要： | 通过分析错层位开采采场覆岩结构特点得出,错层位开采采场覆岩结构按接续工作面开采前后可划分为开采前、开采时及开采后3个时期。开采前采场覆岩结构为＂O＂形,开采时为＂L＂形,开采后为大＂O＂形。在此基础上,进一步阐述了错层位开采大＂O＂形圈的形成原理及特性。通过相似模拟试验,验证了错层位开采相邻工作面之间的顶板垮落是一个连续的整体。研究表明,错层位开采能减少瓦斯抽采钻孔的布置数目并降低由于地表沉陷带来的危害。
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| 关 键 词： | 错层位开采 覆岩结构 大“O”形圈 相似模拟 |
Structure of Overlying Strata in Fully Mechanized Sublevel Caving Faces with Stagger Arrangement and Characteristics of |
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| ZHANG Junwen,WANG Guolong,WANG Peng,WU Bo,LV Yawei,ZHAO Jingli.Structure of Overlying Strata in Fully Mechanized Sublevel Caving Faces with Stagger Arrangement and Characteristics of[J].Journal of Shandong Univ of Sci and Technol: Nat Sci,2011,30(4). |
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| Authors: | ZHANG Junwen WANG Guolong WANG Peng WU Bo LV Yawei ZHAO Jingli |
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| Institution: | ZHANG Junwen1,2,WANG Guolong1,WANG Peng1,WU Bo1,LV Yawei1,ZHAO Jingli1 (1.College of Resources and Safety Engineering,China University of Mining and Technology,Beijing 100083,China,2.College of Resources and Environmental Engineering,Heilongjiang Institute of Science and Technology,Harbin,Heilongjiang 150027,China) |
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| Abstract: | It is thought that the structures of overlying strata in fully mechanized sublevel caving faces with stagger arrangement can be divided into three stages,i.e.before mining,in mining and after mining by analysis of mining with stagger arrangement.The struc |
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| Keywords: | stagger arrangement mining structure of overlying strata large O-shaped circle similarity simulation |
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