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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2018.1
- 수록면
- 487 - 499 (13page)
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초록· 키워드
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Aiming at promoting thin coal seam pressure relief gas extraction, as well as delimiting the protection range of the low-protective layer in thin coal seam, in this paper, we simulated the changing process of the protective layer stress field and deformation field during the low-protective layer mining and obtained the characteristics of the displacement as well as the stress varied characteristics of the overlying strata in the low-protective layer mining. According to the protection layer mining stress relief and the deformation protection criterion, the tendency and trend of the protection layer protection scope were determined, and the theoretical calculation results were basically consistent with the direction protection angle of the protected coal seam. Taking the Dahe (DH) coalmine as an example, the floor rock roadway as the gas drainage roadway to extraction gas as well as the scheme of gas extraction and pressure relief in the upper and lower layers of the protective layer were implemented. The effect of gas control scheme showed that the working gas concentration reached the mining requirement. We finally established the low-protective layer in thin coal mining integrated technical scheme of protection scope and pressure relief gas extraction.
목차
등록된 정보가 없습니다.
참고문헌 (42)
참고문헌 신청
Dong, G.W. / 2013 / The preventing coal and gas outburst technology of middle distance and low permeability and upper protective layer / Advanced Materials Research 690:3059~3067
Fu, J. / 2007 / Present situation of coal and gas outburst in Chinese coal mines and its prevention / Journal of Mining & Safety Engineering 1:253~259
Hu, Q. / 2008 / Mechanical mechanism of coal and gas outburst / Journal of China Coal Society 33:1368~1372
Huang, B. / 2016 / Framework of the theory and technology for simultaneous mining of coal and its associated resources / Journal of China University of Mining & Technology 45:653~662
Jin, K. / 2016 / Evaluation of the remote lower protective seam mining for coal mine gas control: a typical case study from the Zhuxianzhuang Coal Mine, Huaibei Coalfield, China / Journal of Natural Gas Science & Engineering 33:44~55
Fu, J. / 2007 / Present situation of coal and gas outburst in Chinese coal mines and its prevention / Journal of Mining & Safety Engineering 1:253~259
Hu, Q. / 2008 / Mechanical mechanism of coal and gas outburst / Journal of China Coal Society 33:1368~1372
Huang, B. / 2016 / Framework of the theory and technology for simultaneous mining of coal and its associated resources / Journal of China University of Mining & Technology 45:653~662
Jin, K. / 2016 / Evaluation of the remote lower protective seam mining for coal mine gas control: a typical case study from the Zhuxianzhuang Coal Mine, Huaibei Coalfield, China / Journal of Natural Gas Science & Engineering 33:44~55
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