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Introduction to the Special Issue “Rock Mechanics Advances. Jul 22, 2019 The Special Issue “Rock Mechanics Advances in China Coal Mining” covers ground control, coal breaking, strata mechanics, coal seam gas seepage, coal spontaneous combustion in gob, water inundation/overflow, and fundamentals in the development of a new rock bolting system research apparatus and numerical

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15-08-2020  Coal in China Wikipedia. History Coal mines in pre-industrial China. Ancient people in current China started using coal around 6 000 years ago. Historians suspects that the Chinese were involved in the surface mining of coal around 3490 BC, pioneering the pre-modern world.

Coal Mines in China - MDPI

17-01-2019  coal mines. 2. Backfilling Technique for Coal Mines in China Backfill coal mining techniques are developed in China to control strata and surface subsidence. Backfill mining techniques can effectively improve recovery rates and mine safety [43–45]. Backfill mining is important in protecting the environment [46–56].

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01-02-2017  1. Introduction. Coal mine bump has been recognized as one of the most serious and dangerous hazards in underground mining all over the world (Jiang et al., 2009, Jiang et al., 2012, Jiang et al., 2014a, Zhao and Jiang, 2010, Jiang and Zhao, 2015).It could lead to a sudden and violent failure of coal mass, release of large amount of elastic energy, rock or coal bumps into the tunnel, damage to ...

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11-07-2019  Key Laboratory of Gas and Fire Control for Coal Mines (China University of Mining and Technology), Ministry of Education, Xuzhou, 221116, China. ... The mechanical features of coal samples in the indirect tensile process were analyzed taking A3, A4, B2 and B3 as examples.

Coal Mines in China - digital.library.adelaide.edu.au

coal mines. 2. Backfilling Technique for Coal Mines in China Backfill coal mining techniques are developed in China to control strata and surface subsidence. Backfill mining techniques can effectively improve recovery rates and mine safety [43–45]. Backfill mining is important in protecting the environment [46–56].

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Comprehensive Treatment for Shallow-Buried Mined-Out Area in Coal-Mining Region of Western China p.2765. Study on the Criterion of Discriminant on Highway Collapse Disaster in Mountain Area ... Home Applied Mechanics and Materials Applied Mechanics and Materials Vols. 275-277 Coal in China.

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13-09-2021  China and India send coal prices soaring amid green-energy push. Monday, September 13th, 2021. The price of thermal coal used to generate electricity is nearing a record high as surging demand in China and India collides with a reluctance to invest in new capacity in a world heading for decarbonization. While coal is sometimes called the least ...

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Bibliometric and visualized analysis of China's coal ...

01-10-2018  China relies heavily on coal for meeting its huge energy requirements, and strives for the clean utilization of coal. In this paper, a bibliometric and visualized analysis is carried out to quantitatively evaluate the academic output of China's coal research during 2000–2015.

An innovative approach for gob‐side entry retaining in ...

2State Key Laboratory of Water Resource Protection and Utilization in Coal Mining, China Energy Group Co., Ltd, Beijing, China 3 Suncun Coal Mine, Xinwen Mining Group Co., Ltd, Taian, China This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original

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19-07-2020  This study focuses on the occurrence mechanism and monitoring and early warning technology for rockburst in coal mines. Results showed that the prevention and control of rockburst had made significant progress. However, with the increasing mining depth, several unresolved concerns remain challenging. From the in-depth research and analysis, it ...

Control of Water-Flowing Fracture Development with Solid ...

Coal development in China is shifting to its ecologically-vulnerable western regions where the loss of water resources is a major problem with respect to protecting the ecological environment. The results of physical similarity simulation tests showed that the movement and deformation of the strata above the stope with cave mining created a ‘domino effect’, which caused further ...

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Mining Failure Response Characteristics of Stope Floor: A ...

08-10-2020  Mining Failure Response Characteristics of Stope Floor: A Case of Renlou Coal Mine. Jucai Chang,1 Dong Li,1 and Kai He1. 1Key Laboratory of Safe and Effective Coal Mining of the Ministry of Education, Anhui University of Science and Technology, Huainan 232001, China. Academic Editor: Zhijie Wen. Received 18 Aug 2020.