Zobrazeno 1 - 10
of 39
pro vyhledávání: '"Shitan Gu"'
Publikováno v:
Energy Science & Engineering, Vol 12, Iss 11, Pp 5230-5244 (2024)
Abstract A nonexplosive expansion method is proposed to apply in the field of rock burst prevention and control in coal mine. The principle of the expansive agent reaction was analysed and specimens with one hole and two holes were tested with and wi
Externí odkaz:
https://doaj.org/article/e60af1d2242549aeaf892506abdba50d
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-20 (2023)
Abstract To study the effect of mining dynamic response characteristics on the footwall working face of the normal fault under the influence of the gob area, theoretical research, indoor experiment, and numerical simulation are adopted to analyze the
Externí odkaz:
https://doaj.org/article/224ebfd29bdf4fed9f6702f58066e3f9
Publikováno v:
International Journal of Mining Science and Technology, Vol 33, Iss 3, Pp 339-349 (2023)
In the process of mining coalbed methane (CBM), an unsteady state often arises due to the rapid extraction, release and pressure relief of CBM. In this case, the effective stress of coal changes dynamically, affecting the stability of the gassy coal
Externí odkaz:
https://doaj.org/article/31b0f08464ca46a58784f0598f0abb76
Publikováno v:
Frontiers in Earth Science, Vol 11 (2023)
A multi-parameter comprehensive early warning method for coal pillar-type rockburst risk based on the deep neural network (DNN) is proposed in this study. By utilizing preprocessed data from the surveillance of coal pillar impact hazards in Yangcheng
Externí odkaz:
https://doaj.org/article/9a1f592d2fd1455db50353d96a96a62d
Publikováno v:
Energy Science & Engineering, Vol 10, Iss 7, Pp 2170-2190 (2022)
Abstract Fault coal bursts is a common type of coal bursts in coal mining. With increases in mining depths and mining intensities, the occurrence frequency and disaster degree of coal bursts in fault‐controlled areas are increasing in severity. The
Externí odkaz:
https://doaj.org/article/be42f15349754eb286c899037928b660
Publikováno v:
Geofluids, Vol 2022 (2022)
Mudstone rich in clay minerals exhibits an obvious water-induced weakening effect, and the mechanical properties of mudstone are significantly affected by the groundwater. To investigate the effect of water on mechanical characteristics of mudstone a
Externí odkaz:
https://doaj.org/article/e196e1ead30e4818829f71aa47f6b2c6
Publikováno v:
Geofluids, Vol 2021 (2021)
Slicing fully mechanized caving mining is a standard high-efficiency mining method for ultrathick coal seams. However, the effectiveness of gas control has accentuated the difficulty in fully mechanized top coal caving of low-permeability ultrathick
Externí odkaz:
https://doaj.org/article/1bc6d6b34b094a6c9c84fcd5cd229e6f
Publikováno v:
Shock and Vibration, Vol 2020 (2020)
The practice shows that deep strip mining induces rockburst disaster easily. Accurately evaluating rockburst risk of the strip coal pillar is of great significance for ensuring the safety of deep strip mining. In this paper, the catastrophe mechanics
Externí odkaz:
https://doaj.org/article/91d298c3e82d471fae8bfbf67f6b6414
Publikováno v:
Shock and Vibration, Vol 2019 (2019)
Roadway floor rock burst is an important manifestation of rock bursts in deeply buried mines. With the increase of mining depth and mining intensity, rock burst disasters in the roadway floor such as floor heaves are becoming more serious. The articl
Externí odkaz:
https://doaj.org/article/27b653ba200948f1b52c654c391bef2b
Publikováno v:
Advances in Civil Engineering, Vol 2018 (2018)
This study focused on large-scale roof-fall accidents occurred in large-section coal seam roadways of Bayangaole Coal Mine, Inner Mongolia, China, and investigated the occurrence mechanism of roof-fall and the related supporting control method in det
Externí odkaz:
https://doaj.org/article/0799af19ccea4f4dadfc6b248c7a8a2d