房柱式采空区顶板垮落冲击对下层煤开采的影响评估研究
TD823; 为了研究上层煤房柱式采空区顶板失稳垮落后对下煤层开采的影响,以某矿 3-1 煤层房柱式采空区下 5-2 煤层长壁综合机械化开采条件为研究背景,采用理论分析、数值模拟、实测数据对比等手段,分别对房柱式采空区顶板垮落冲击荷载及其在底板内的影响深度、下层煤开采覆岩破坏高度进行分析,并以上层煤顶板垮落冲击荷载影响范围是否波及下层煤开采覆岩破坏范围为判据评价上层煤对下层煤开采的影响程度.研究方法及判据可为类似条件房柱式采空区下煤层下行开采影响评估提供有益借鉴....
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| Published in | 中国矿业 Vol. 32; no. 12; pp. 147 - 152 |
|---|---|
| Main Authors | , , |
| Format | Magazine Article |
| Language | Chinese |
| Published |
天地科技股份有限公司开采设计事业部,北京 100013
01.12.2023
中煤科工开采研究院有限公司,北京 100013 煤炭科学研究总院开采设计研究分院,北京 100013 |
| Subjects | |
| Online Access | Get full text |
| ISSN | 1004-4051 |
| DOI | 10.12075/j.issn.1004-4051.20230574 |
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| Abstract | TD823; 为了研究上层煤房柱式采空区顶板失稳垮落后对下煤层开采的影响,以某矿 3-1 煤层房柱式采空区下 5-2 煤层长壁综合机械化开采条件为研究背景,采用理论分析、数值模拟、实测数据对比等手段,分别对房柱式采空区顶板垮落冲击荷载及其在底板内的影响深度、下层煤开采覆岩破坏高度进行分析,并以上层煤顶板垮落冲击荷载影响范围是否波及下层煤开采覆岩破坏范围为判据评价上层煤对下层煤开采的影响程度.研究方法及判据可为类似条件房柱式采空区下煤层下行开采影响评估提供有益借鉴. |
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| AbstractList | TD823; 为了研究上层煤房柱式采空区顶板失稳垮落后对下煤层开采的影响,以某矿 3-1 煤层房柱式采空区下 5-2 煤层长壁综合机械化开采条件为研究背景,采用理论分析、数值模拟、实测数据对比等手段,分别对房柱式采空区顶板垮落冲击荷载及其在底板内的影响深度、下层煤开采覆岩破坏高度进行分析,并以上层煤顶板垮落冲击荷载影响范围是否波及下层煤开采覆岩破坏范围为判据评价上层煤对下层煤开采的影响程度.研究方法及判据可为类似条件房柱式采空区下煤层下行开采影响评估提供有益借鉴. |
| Abstract_FL | In order to study the influence on lower coal mining caused by the instability and collapse of the upper room-pillar goaf,taking the No.5-2 coal seam longwall comprehensive mechanized mining conditions under the No.3-1 coal seam room-pillar goaf of a mine as the research background,theoretical analysis,numerical simulation and comparison of measured data are adopted.The room-pillar goaf roof caving impact load and its influence depth in the floor and the damage height of the overburden in the lower coal mining are analyzed respectively,and the influence degree of the upper coal on the lower coal mining is evaluated according to whether the influence range of the roof caving impact load extends to the overburden damage range of the lower coal mining.The research method and criterion can provide useful reference for the impact assessment of downgoing mining under similar conditions. |
| Author | 孙万明 于秋鸽 刘贵 |
| AuthorAffiliation | 中煤科工开采研究院有限公司,北京 100013;天地科技股份有限公司开采设计事业部,北京 100013;煤炭科学研究总院开采设计研究分院,北京 100013 |
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| Author_FL | SUN Wanming YU Qiuge LIU Gui |
| Author_FL_xml | – sequence: 1 fullname: SUN Wanming – sequence: 2 fullname: YU Qiuge – sequence: 3 fullname: LIU Gui |
| Author_xml | – sequence: 1 fullname: 孙万明 – sequence: 2 fullname: 于秋鸽 – sequence: 3 fullname: 刘贵 |
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| Copyright | Copyright © Wanfang Data Co. Ltd. All Rights Reserved. |
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| DOI | 10.12075/j.issn.1004-4051.20230574 |
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| DocumentTitle_FL | Evaluation study of the influence on lower coal mining caused by room-pillar goaf roof caving impact |
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| Keywords | mining influence downgoing mining 房柱式采空区 顶板垮落 impact load lower coal 冲击荷载 room-pillar goaf 下行开采 下层煤 开采影响 roof caving |
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| Publisher | 天地科技股份有限公司开采设计事业部,北京 100013 中煤科工开采研究院有限公司,北京 100013 煤炭科学研究总院开采设计研究分院,北京 100013 |
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| Snippet | TD823; 为了研究上层煤房柱式采空区顶板失稳垮落后对下煤层开采的影响,以某矿 3-1 煤层房柱式采空区下 5-2 煤层长壁综合机械化开采条件为研究背景,采用理论分析、数值模拟、... |
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| Title | 房柱式采空区顶板垮落冲击对下层煤开采的影响评估研究 |
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