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科技导报  2015 

坚硬覆岩破断及其对矿压显现的控制

DOI: 10.3981/j.issn.1000-7857.2015.07.007, PP. 43-48

Keywords: 坚硬覆岩,关键层破断,复合矿压,矿压显现

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Abstract:

以同忻矿石炭系3-5煤层8015工作面为例,分析了坚硬覆岩破断特征及其对煤层工作面矿压显现的控制作用。应用关键层理论确定工作面坚硬覆岩的关键层及关键层的初次破断距和周期破断距,基于材料力学理论导出关键层破断与工作面支承压力的关系式,分析关键层破断对煤层工作面矿压显现的影响规律。结果表明,煤层工作面坚硬覆岩存在亚关键层I、亚关键层II和主关键层,3个关键层的破断导致工作面产生大小周期压力和复合压力,其中主关键层破断造成工作面矿压范围较大;理论分析方法揭示的矿压显现规律与现场矿压监测结果具有较好的一致性。

References

[1]  窦林名, 何学秋. 冲击矿压防治理论与技术[M]. 徐州: 中国矿业大学出版社, 2001. Dou Linming, He Xueqiu. Theory and technology of rock burst prevention[M]. Xuzhou: China University of Mining and Technology Press, 2001.
[2]  耿琳. 深部采场采空区基本顶来压规律研究[D]. 阜新: 辽宁工程技术大学, 2011. Geng Lin. Mine pressure rule of basic roof in deep mining[D]. Fuxin: Liaoning Technical University, 2011
[3]  杜晓丽. 采矿岩石压力拱演化规律及其应用的研究[D]. 徐州: 中国矿业大学, 2011. Du Xiaoli. Research on the evolution and its application of rock pressure arch in coal mining[D]. Xuzhou: China University of Mining and Technology, 2011.
[4]  卢国志, 汤建泉, 宋振骐. 传递岩梁周期裂断步距与周期来压步距差异分析[J]. 岩土工程学报, 2010, 32(4): 538-541. Lu Guozhi, Tang Jianquan, Song Zhenqi. Difference between cyclic fracturing and cyclic weighting interval of transferring rock beams[J]. Chinese Journal of Geotechnical Engineering, 2010, 32(4): 538-541.
[5]  缪协兴, 钱鸣高. 采场围岩整体结构与砌体梁力学模型[J]. 矿山压力与顶板管理, 1995(3): 4-12 Miao Xiexing, Qian Minggao. Stope structure and model of voussoir beam of face surrounding rock[J]. Mine Pressure and Roof Management, 1995(3): 4-12.
[6]  钱鸣高, 石平五. 矿山压力及其控制[M]. 徐州: 中国矿业大学出版社, 2010. Qian Minggao, Shi Pingwu. Mining pressure and strata control[M]. Xuzhou: China University of Mining and Technology Press, 2010.
[7]  姜福兴. 采场覆岩空间结构观点及其应用研究[J]. 采矿与安全工程学报, 2006, 23(1): 30-33. Jiang Fuxing. Viewpoint of spatial structures of overlying strata and its application in coal mine[J]. Journal of Mining & Safety Engineering, 2006, 23(1): 30-33.
[8]  姜福兴, 张兴民, 杨淑华, 等. 长壁采场覆岩空间结构探讨[J]. 岩石力学与工程学报, 2006, 25(5): 979-984. Jiang Fuxing, Zhang Xingmin, Yang Shuhua, et al. Discussion on overlying strata spatial structure of long wall in coal mine[J]. Chinese Journal of Rock Mechanics and Engineering, 2006, 25(5): 979-984.
[9]  冯国瑞, 王鲜霞, 康立勋. 采场上覆岩层面接触块体结构的力学机理分析[J]. 煤炭学报, 2008, 33(1): 33-37. Feng Guorui, Wang Xianxia, Kang Lixun. Analysis on the mechanism of the face-contacted blocks structure in overlying strata above the long wall face[J]. Journal of China Coal Society, 2008, 33(1): 33-37.
[10]  冯国瑞, 翟英达, 康立勋. 大同采场覆岩面接触块体可动性判定研究[J]. 太原理工大学学报, 2001, 32(5): 463-465. Feng Guorui, Zhai Yingda, Kang Lixun. The study on the movability of the face-contacted blocks in overlying strata above the long wall face in Datong[J]. Journal of Taiyuan University of Technology, 2001, 32(5): 463-465.
[11]  弓培林, 靳钟铭. 大采高采场覆岩结构特征及运动规律研究[J]. 煤炭学报, 2004, 29(1): 7-11. Gong Peilin, Jin Zhongming. Study on the structure characteristics and movement laws of overlying strata with large mining height[J]. Journal of China Coal Society, 2004, 29(1): 7-11.
[12]  张宏伟, 朱志洁, 霍利杰, 等. 特厚煤层综放开采覆岩破坏高度[J]. 煤炭学报, 2014, 39(5): 816-821. Zhang Hongwei, Zhu Zhijie, Huo Lijie, et al. Overburden failure height of superhigh seam by fully mechanized caving method[J]. Journal of China Coal Society, 2014, 39(5): 816-821.
[13]  张庆松, 高延法, 刘松玉. 覆岩结构破坏度模型及其应用研究[C]//中国土木工程学会第九届土力学及岩土工程学术会议论文集. 北京: 中国土木工程学会, 2003: 1290-1293. Zhang Qingsong, Gao Yanfa, Liu Songyu. Overlying rock structural damage model and its application[C]// Ninth China Civil Engineering Society of Soil Mechanics and Geotechnical Engineering Conference Proceedings. Beijing: China Civil Engineering Society, 2003: 1290- 1293.
[14]  曹安业, 朱亮亮, 李付臣, 等. 厚硬岩层下孤岛工作面开采"T"型覆岩结构与动压演化特征[J]. 煤炭学报, 2014, 39(2): 328-335. Cao Anye, Zhu Liangliang, Li Fuchen, et al. Characteristics of T-type overburden structure and tremor activity in isolated face mining under thick-hard strata[J]. Journal of China Coal Society, 2014, 39(2): 328- 335.
[15]  史红. 综采放顶煤采场厚层坚硬顶板稳定性分析及应用[D]. 青岛: 山东科技大学, 2005. Shi Hong. Study and application on stability of hard and massive overlying strata fully mechanized sublevel caving face[D]. Qingdao: Shandong University of Science and Technology, 2005.

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