Zobrazeno 1 - 10
of 216
pro vyhledávání: '"inclined coal seam"'
Publikováno v:
Meikuang Anquan, Vol 55, Iss 6, Pp 117-125 (2024)
In order to understand the factors leading to rock burst in steeply-inclined coal seams, based on the mining layout and on-site microseismic monitoring data, the distribution of mine microseismic events and previous rock burst events are deeply analy
Externí odkaz:
https://doaj.org/article/80439b48755c4d6a8511c8269b4a318b
Publikováno v:
World Journal of Engineering, 2023, Vol. 21, Issue 3, pp. 475-486.
Externí odkaz:
http://www.emeraldinsight.com/doi/10.1108/WJE-11-2022-0470
Autor:
Bo WEI, Shuguang YANG, Xin LI, Shuangming WANG, Qingmin SHI, Lanhe YANG, Gang WANG, Xuehai FU, Hongmei SU, Chao JIA, Zhenpeng HU, Chen ZHAO
Publikováno v:
Meitan kexue jishu, Vol 52, Iss 5, Pp 152-165 (2024)
Coalbed methane (CBM) development and underground coal gasification (UCG) are important sources for coal-based natural gas production in China, and coal and CBM resources are abundant in the inclined coalbed development area of the Xinjiang foreland
Externí odkaz:
https://doaj.org/article/e51115f1c1664c59a1aef7e26c9f239d
Publikováno v:
Meitan kexue jishu, Vol 52, Iss 4, Pp 177-192 (2024)
The three-field (stress, displacement and fracture field) evolution laws of the inclined coal seam group are complex, which are important for the transport and storage of pressure-relief gas. In order to investigate the three-field evolution law of i
Externí odkaz:
https://doaj.org/article/231ec479ccff4993992aee32ac48e647
Publikováno v:
Energy Science & Engineering, Vol 12, Iss 4, Pp 1759-1774 (2024)
Abstract With the engineering background of the gob‐side entry of panel SA1104 in Heiyanquan Coal Mine, the deformation characteristics and control technology of the surrounding rock for gob‐side entry with small pillar in gently inclined coal se
Externí odkaz:
https://doaj.org/article/12b3e64a925445c99813c8a9b98a3214
Autor:
Qiaorong MENG, Huixian WANG, Pengfei WANG, Kehang CHEN, Jianli ZHANG, Enyuan DONG, Xiang GAO, Wei HOU
Publikováno v:
Meitan kexue jishu, Vol 52, Iss 3, Pp 38-52 (2024)
The depth of coal mining in the central and eastern China is increasing, the ground pressure is high, the roadway deformation and burst risk is great. Gob-side entry with slender gate pillar (GESGP) is constantly adopted to improve surrounding rock e
Externí odkaz:
https://doaj.org/article/c1da80e7e6744a51888dd0a8dcf29cbe
Autor:
Yunpei LIANG, Shuancheng ZHU, Liang CHEN, Kun ZHAO, Dongling SUN, Jianjie CHEN, Bichuan ZHANG
Publikováno v:
Meitan kexue jishu, Vol 52, Iss 1, Pp 211-220 (2024)
In order to clarify the key technologies for the coordinated development of coal and coalbed methane that are compatible with the mining conditions of inclined broken soft coal seams. Based on the characteristics of gas drainage and asymmetric mining
Externí odkaz:
https://doaj.org/article/cfd03545b13a4f1ca1472dc034f69fb4
Publikováno v:
Meikuang Anquan, Vol 54, Iss 11, Pp 142-149 (2023)
Aiming at the surrounding rock control problem of double basic roof cutting and retaining roadway in inclined soft and hard rock strata, this paper expounds on the comprehensive roadway protection mechanism of goaf side-roof-solid coal side under thi
Externí odkaz:
https://doaj.org/article/d8b6bb42f586457d9b8ba60ce117b363
Publikováno v:
Geomechanics and Geophysics for Geo-Energy and Geo-Resources, Vol 9, Iss 1, Pp 1-15 (2023)
Abstract During the process of coal mining, there is a violent appearance of mining stress when the initial weighting occurs. To guarantee the safety of the gob-side entry formed automatically by roof-cutting (EFARC) in an inclined coal seam, a study
Externí odkaz:
https://doaj.org/article/6e2383482fc346d1856dedde1fadf756
Autor:
ZHANG Fenggang, YANG Wenlian
Publikováno v:
Meikuang Anquan, Vol 54, Iss 7, Pp 101-108 (2023)
In order to reveal the distribution characteristics of the stress field and rock burst mechanism induced in the horizontal segmented working face of steeply inclined coal seams, taking eastern No.1 mining area of Wangjiashan Coal Mine as an engineeri
Externí odkaz:
https://doaj.org/article/c08650086aaa44478be1ca3f9c9fb431