Zobrazeno 1 - 10
of 21
pro vyhledávání: '"Zhongshun CHEN"'
Autor:
Yong YUAN, Zhongshun CHEN, Xiaokang LIANG, Haisheng SHEN, Lei ZUO, Chaogui MENG, Shengzhi WANG
Publikováno v:
Meitan kexue jishu, Vol 52, Iss 2, Pp 63-78 (2024)
The structural transformation of coal and rock mass is a common core scientific problem to solve many technical problems in coal mines. Carbon dioxide phase change blasting has become one of the effective methods for coal and rock mass cracking due t
Externí odkaz:
https://doaj.org/article/e73b12e142ae4e8e8c2465349d5033bd
Publikováno v:
International Journal of Mining Science and Technology, Vol 31, Iss 4, Pp 665-680 (2021)
The “three shells” cooperative support technology was proposed herein according to both the large deformation of the rock surrounding large-section chambers in deep mines and the precarious stability of the support structures therein. The develop
Externí odkaz:
https://doaj.org/article/b9bb990847ae4595a9689608ec680f25
Publikováno v:
Lithosphere, Vol 2021, Iss Special 4 (2021)
AbstractCoal seams are generally characterized by high pressure, low permeability, and strong adsorption in China. Moreover, carbon dioxide phase transition blasting (CDPTB) is an effective way to achieve pressure relief and permeability enhancement
Externí odkaz:
https://doaj.org/article/7b95085929654b8fb7019204cfed0dbc
Publikováno v:
Advances in Civil Engineering, Vol 2021 (2021)
One of the main difficulties in longwall mining (LM) is the movement of mining equipment from one panel to the next panel during mining process. The shields of the LM face may be damaged by the collapse of the roof in shallow coal seam under the “G
Externí odkaz:
https://doaj.org/article/e6bf54a11bfa4d2fa06cda50270513d9
Publikováno v:
Shock and Vibration, Vol 2020 (2020)
The rock pressure appearance of longwall faces in shallow seams is generally violent, and roofs and supports are susceptible to damage during equipment extraction. Stability control of the rock surrounding longwall recovery roadways allows safe and r
Externí odkaz:
https://doaj.org/article/ff968f96f96941a6ad71421f6fae2931
Publikováno v:
Advances in Civil Engineering, Vol 2019 (2019)
The stability control of the rock surrounding recovery roadways guarantees the safety of the extraction of equipment. Roof falling and support crushing are prone to occur in double-key strata (DKS) faces in shallow seams during the extraction of equi
Externí odkaz:
https://doaj.org/article/05d8dc3a7247471dbb326df8b736400c
Publikováno v:
Energy Sources, Part A: Recovery, Utilization, and Environmental Effects. 44:3659-3672
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3f3257ddc6b0ab5441153d7561e13fd5
https://doi.org/10.1080/15567036.2022.2069885
https://doi.org/10.1080/15567036.2022.2069885
Publikováno v:
International Journal of Mining Science and Technology, Vol 31, Iss 4, Pp 665-680 (2021)
The “three shells” cooperative support technology was proposed herein according to both the large deformation of the rock surrounding large-section chambers in deep mines and the precarious stability of the support structures therein. The develop
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8733a5154073d05c3a59a1a61a0b70bf
https://doi.org/10.1016/j.ijmst.2021.05.002
https://doi.org/10.1016/j.ijmst.2021.05.002
Publikováno v:
Processes; Volume 10; Issue 7; Pages: 1421
Large-diameter gas extraction borehole is considered an effective method by which to realize coal mine methane exploitation and outburst prevention. Efficient gas extraction can be achieved by selecting the right borehole parameters. In this paper, b
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0eb6267c050337bca7a88e2c12c7c001
Publikováno v:
Energy Science & Engineering, Vol 8, Iss 7, Pp 2599-2620 (2020)
Many mines often passively select supports with a higher yield load to avoid the occurrence of support crushing and roof falling during periodic weighting. This method is not conducive to improving production efficiency or reducing mining costs, but
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4d5fa46c30e5ff1393b64a18c7d26fd2
https://doi.org/10.1002/ese3.688
https://doi.org/10.1002/ese3.688