高河矿E1316综放工作面煤柱稳定性研究

doi:10.19286/j.cnki.cci.2019.10.008

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摘要

高河能源3号煤层工作面矿压显现强烈，以往采用的小煤柱沿空掘巷及柔模支护沿空留巷工艺，均存在巷道两帮变形大，底鼓严重问题。为了研究3号厚煤层工作面区段煤柱留设的合理宽度，以E1316工作面为研究对象，通过数值模拟分析了E1315采空区侧向支承压力分布规律，揭示了沿空巷道的合理留设尺寸。采用Gaddg公式理论验算了区段煤柱留设的合理性。结果表明，留设35 m的煤柱，能够避开采空区应力集中范围，保证巷道的稳定性。

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	张永平

关键词 ：厚煤层综放工作面, 煤柱, 变形失稳, 尺寸优化

Abstract：

The mining pressure of the No. 3 coal seam working face of Gaohe Energy was obvious, in the past, the small coal pillars along the goaf and the flexible mold support was adopted, there were large deformations in the roadway, with serious problems of the bottom drum. In order to study the reasonable width of coal pillars in the face of No.3 thick coal seam, the E1316 working face was taken as the research object. The distribution law of lateral bearing pressure in E1315 goaf was analyzed by numerical simulation, which revealed the reasonable retention of the roadway along the goaf. The rationality of the section coal pillar retention was verified by Gaddg formula theory. The results showed that the 35 m coal pillar could avoid the stress concentration range of the mining area and ensure the stability of the roadway.

Key words： thick coal seam fully mechanized caving face coal pillar deformation instability size optimization

作者简介: 张永平（ 1984— ），男，山西长治人，工程师。

引用本文:

张永平. 高河矿E1316综放工作面煤柱稳定性研究[J]. 煤炭与化工, 2019, 42(10): 29-32，35. Zhang Yongping. Study on stability of coal pillar in E1316 fully mechanized caving face of Gaohe Mine. CCI, 2019, 42(10): 29-32，35.

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http://www.mtyhg.com.cn/CN/10.19286/j.cnki.cci.2019.10.008 或 http://www.mtyhg.com.cn/CN/Y2019/V42/I10/29

[ 1 ] Dahan O, Nativ R, Adar E M, et al. On Fracture Structure and Preferential Flow in Unsaturated Chalk[ J ]. Ground Water, 2010,

38( 3 ):444 - 451.
[ 2 ]       赵崇栋，冯井龙，陈    涛. 区段煤柱中巷变形失稳特征及控制对策探讨[ J ]. 山东煤炭科技，2013（ 5 ）：145 - 146.
[ 3 ]       李泽龙. 综放工作面应力分布规律的数值模拟研究[ J ]. 煤，2017，26（ 3 ）：10 - 11.
[ 4 ]       Jia X R, Wang L. The Theoretical Calculation Method of Critical Width for the Coal Pillar of the Roadway[ J ]. Journal of Taiyuan University of Technology, 2011.
[ 5 ]       Bienawski Z T. A design procedure for improved room-and-pillar coal mining[ J ]. Prepr. Soc. Min. Eng. AIME; ( United States ), 1983, 83 - 110.
[ 6 ]      Russell Frith,Guy Reed. Limitations and potential design risks when applying empirically derived coal pillar strength equations to real - life mine stability problems[ J ]. International Journal of Mining Science and Technology, 2018.
[ 7 ]       Christopher Mark, Zach Agioutantis. Analysis of coal pillar stability (ACPS): A new generation of pillar design software [ J ]. Interna-
tional Journal of Mining Science and Technology, 2018.
[ 8 ]       Ashok Kumar, Petr Waclawik, Rajendra Singh, Sahendra Ram, Jiri Korbel. Performance of a coal pillar at deeper cover: Field and simulation studies[ J ]. International Journal of Rock Mechanics and Mining Sciences, 2019, 113.
[ 9 ]       何鑫瑞. 不同采、留煤柱宽对地表移动规律的影响分析[ J ]. 煤矿现代化，2018（ 1 ）：135 - 137.
[ 10 ]     陈    通，王双明. 基于切顶卸压技术的导水裂隙带发育规律[ J ]. 煤炭技术，2017，36（ 12 ）：124 - 126.
[ 11 ]     赵华安，赵光明，孟祥瑞. 断层下盘留煤柱开采数值模拟[ J ]. 煤矿安全，2015，46（ 03 ）：37 - 40.
[ 12 ]     董    羽，黄玉诚，邓和浪，等. 基于FLAC~（3D）的公路下压煤巷式充填开采数值模拟分析[ J ]. 煤矿安全，2014，45（ 6 ）：163 - 165，169.
[ 13 ]     史文豹. 原巷充填无煤柱掘巷技术研究[ D ]. 淮南：安徽理工大学，2014.
[ 14 ]     乔建华. 长壁留煤柱法开采煤柱破坏过程数值模拟研究[ J ]. 陕西煤炭，2013，32（ 1 ）：35 - 37.
[ 15 ]     胡    城. 带煤柱开采条件下巷道矿压显现规律[ J ]. 煤炭技术，2009，28（ 8 ）：64 - 65.