[1]程详,赵光明,孟祥瑞,等.深部低渗透强突出煤层群首采下保护层确定和效果考察[J].中国安全生产科学技术,2016,12(10):18-23.[doi:10.11731/j.issn.1673-193x.2016.10.003]
CHENG Xiang,ZHAO Guangming,MENG Xiangrui,et al.Determination and effect investigation on the first mining lower protective
layer in deep coal seam group with low permeability and strong outburst[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2016,12(10):18-23.[doi:10.11731/j.issn.1673-193x.2016.10.003]
点击复制
深部低渗透强突出煤层群首采下保护层确定和效果考察
CHENG Xiang,ZHAO Guangming,MENG Xiangrui,et al.Determination and effect investigation on the first mining lower protective layer in deep coal seam group with low permeability and strong outburst[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2016,12(10):18-23.[doi:10.11731/j.issn.1673-193x.2016.10.003]
《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]
- 卷:
- 12
- 期数:
- 2016年10期
- 页码:
- 18-23
- 栏目:
- 学术论著
- 出版日期:
- 2016-10-30
文章信息/Info
- Title:
- Determination and effect investigation on the first mining lower protective layer in deep coal seam group with low permeability and strong outburst
- Keywords:
- deep; soft rock protective layer; pressure relief and permeability enhancement; effect investigation; numerical simulation
- 分类号:
- X936
- 文献标志码:
- A
- 摘要:
- 程详，赵光明，孟祥瑞，李英明
- Abstract:
- The soft rock protective layer has the potential application prospect in the selection of first mining protective layer for the deep coal seam group with low permeability and strong outburst. The relationship of the overlying strata movement in lower protective layer mining with the stope fracture evolution and gas delivery was discussed. On this basis, taking the Luling Mine as engineering background, the pressure relief effect after the soft rock protective layer mining was studied through FLAC3D numerical tests and compared with the pressure relief effect of thin coal seam mining in different position. The results showed that when the mining thickness was same, compared with the soft rock protective layer, the degree of pressure relief was weaker, the protection range was smaller, and the protection effect was worse for mining No.10 coal protective layer. After the mining of soft rock protective layer, the protected layers were in the lower limit range of bending subsidence zone. Large amount of delamination fracture generated by the influence of mining. The gas extraction rate of overlying protected layer (8, 9 coal) can reach 62.9% during the investigation period, which indicated that the mining of soft rock protective layer could play a significant pressure relief effect for the overlying protected layers (No.8 and 9 coal seam). The results can provide references for selection of protective layer mining in other mining areas, and enrich the practice of protective layer mining in China.
参考文献/References:
［1］肖峻峰, 陈洋洋, 李平, 等. 深井高瓦斯工作面“一巷多用”瓦斯治理新模式［J］. 煤炭学报, 2015, 40(10)：
2414-2421.
XIAO Junfeng, CHEN Yangyang, LI Ping,et al. New comprehensive gas control mode based on one roadway with
multi-purposes of high methane working face in deep coal mine［J］. Journal of China Coal Society, 2015,
40(10): 2414-2421.
［2］张文涛,吕品,孙晓梅,等. 张集矿综采工作面瓦斯治理措施及效果分析［J］.中国安全生产科学技术,2014,10
(1):103-108.
ZHANG Wentao, LYU Pin, SUN Xiaomei, et al. Study on gas control measures and effect analysis in
mechanized mining face of Zhang Ji Coal Mine［J］. Journal of Mining & Safety Engineering, ,2014,10
(1):103-108.
［3］俞启香. 矿井瓦斯防治［M］. 徐州: 中国矿业大学出版社, 1992.
［4］姚尚文, 卢平, 张纯如, 等. 低透气性突出煤层群首采层掏心无煤柱开采卸压消突与瓦斯治理试验研究［J］. 中
国安全生产科学技术,2015,11(2):42-47.
YAO Shangwen, LU Ping, ZHANG Chunru,et al.Experimental research on low permeability coal seams group of
first layer hollow out coal mining without pillars for release of eliminate the highlight and gas
control［J］. Journal of Mining & Safety Engineering, 2015,11(2):42-47.
［5］程远平. 煤矿瓦斯防治理论与工程应用［M］. 徐州: 中国矿业大学出版社, 2010: 1-10.
［6］张枚润, 杨胜强, 程健维, 等. 马依西保护层开采理论分析及数值模拟研究［J］. 采矿与安全工程学报, 2013,
30(1): 123-127.
ZHANG Meirun, YANG Shengqiang, CHENG Jianwei, et al. Theoretical analysis and numerical simulation on
protective seam extraction in Mayixi mine［J］.Journal of Mining & Safety Engineering, 2013, 30(1): 123
-127.
［7］谢小平. 高瓦斯煤层群薄煤层上保护层开采卸压机理及应用研究［D］. 徐州: 中国矿业大学, 2014.
［8］李晓华, 戚新红, 韩真理, 等. 近距离高瓦斯突出煤层群首采工作面区域防突技术应用与分析［J］. 中国安全生
产科学技术, 2014, 10(12): 155-160.
LI Xiaohua, QIXinhong, HAN Zhenli, et al. Application and analysis of regional outburst prevention
technology on the first mining face of high gassy and outburst seam group with close distance［J］.
Journal of Safety Science and Technology, 2014, 10(12): 155-160.
［9］许家林. 煤矿绿色开采［M］. 徐州: 中国矿业大学出版社, 2011.
［10］戴广龙, 郭良经, 张树川. 海孜矿上保护层开采卸压保护范围数值模拟研究［J］. 中国安全科学学报,
2013,23(7):13-18.
DAI Guanglong, GUO Liangjing, ZHANG Shuchuan. Numerical simulation of Haizi Mine upper protective layer
mining′s protection scope［J］. China Safety Science Journal, 2013,23(7):13-18.
［11］桂和荣, 周庆富, 廖多荪, 等. 综放开采最大导水裂隙带高度的应力法预测［J］. 煤炭学报, 1997, 22(4):
375-379.
GUI Herong, ZHOU Qingfu, LIAO Duosun, et al. Prediction of maximum height of the fractured zone by
stressing method for sub-level caving mining［J］. Journal of China Coal Society, 1997, 22(4): 375-379.
相似文献/References:
备注/Memo
- 备注/Memo:
- 国家自然科学基金项目（51374013，51674008）；高等学校博士点基金项目（20133415110006）；霍英 东教育基金项目( 121050 );安徽省科技攻关计划项目（1604a0802107）;高校优秀拔尖人才培育资助项目 （gxbjZD2016051）；安徽高校科研平台创新团队建设项目；安徽省学术和技术带头人及后备人选学术科研活动项目
