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现代矿业 ›› 2012, Vol. 28 ›› Issue (07): 10-12.

• 采选工程 • 上一篇    下一篇

近距离煤层群上行开采裂断拱演化规律及数值模拟

黄寿卿1,卢国志2,张林良2,武泉林2   

  1. 1.中国矿业大学力学与建筑工程学院;2.山东科技大学矿山灾害预防与控制省部共建重点实验室
  • 出版日期:2012-07-15 发布日期:2012-07-27
  • 基金资助:

    * 国家自然科学基金(编号:51144006);国家973计划(编号:2012CB723104);山东省科技攻关项目(编号:2011GSF12010)。

Breaking Arch Evolution Law of Short Distance Coal Seams Uplink Mining and Numerical Simulation

Huang Shouqing1,Lu Guozhi2,Zhang Linliang2,Wu Quanlin2 1.School of Mechanics & Civil Engineering, China University of Mining and Technology;2.Co-constructed Key Laboratory by Ministry and Province Department for Prevention and Control of Mine Disaster, Shandong University of Science and Technology   

  1. 1.School of Mechanics & Civil Engineering, China University of Mining and Technology;2.Co-constructed Key Laboratory by Ministry and Province Department for Prevention and Control of Mine Disaster, Shandong University of Science and Technology
  • Online:2012-07-15 Published:2012-07-27

摘要: 采用FLAC3D的模拟方法,对单一采场的裂断拱发展演化规律和复合采场的裂断拱发展演化规律进行了模拟分析,得出了近距离煤层群上行采场结构空间在单一采场与复合采场两种不同的情况下采场上部裂断拱的演化规律及变化形态。

关键词: 近距离煤层群, 上行开采, 裂断拱, 采场结构空间, 演化规律, 数值模拟

Abstract: Simulation analysis were done on breaking arch developing and evolving process of both single stope and compound mining field by FLAC3D, evolution law and change shape of breaking arch at stope upper part of short distance coal seams uplink stope structure space under single stope and compound mining field two different situations were obtained.

Key words: Short distance coal seams, Ascending mining, Breaking arch, Stope structure space, Evolution law, Numerical simulation