Results 31 to 40 of about 357,318 (209)
New possibilities of calculating the volumes of extracted masses in the surface mining of brown coal [PDF]
, 2017 The companies engaged in brown coal mining are looking for ways of managing the mining process as efficiently as possible. The principal mining technology used for brown coal mining in our country, but also in Germany and Poland, are wheel excavators ...
Gibesová, Beáta +3 more
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Evaluation of ADAM/1 model for advanced coal extraction concepts [PDF]
, 1982 Several existing computer programs for estimating life cycle cost of mining systems were evaluated. A commercially available program, ADAM/1 was found to be satisfactory in relation to the needs of the advanced coal extraction project.
Deshpande, G. K., Gangal, M. D.
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Meikuang AnquanIn order to explore the fluid-solid coupling feedback characteristics of rock under the action of hydro-mechanical coupling, the triaxial and pore water pressure loading tests of saturated sandstone were carried out by using the rock mechanics ...
Jiawei LI +4 more
doaj +1 more source
Development and application of coal burst experiment system based on local mine stiffness theory
Meitan xuebao, 2023 The loading mine stiffness and the post-peak stiffness of a coal pillar are important factors affecting the occurrence of coal bursts. In order to systematically study the mechanism of coal bursts and pillar bursts based on local mine stiffness theory, a
Fuqiang GAO +4 more
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Socioeconomic Impacts of Potential Wishbone Hill Coal Mining Activity [PDF]
, 2010 The purpose of this study is to assess some of the significant socioeconomic effects of potential coal mining activity at Wishbone Hill. The analysis scenario assumes a 16-year period of startup and mine production using two known deposits that are ...
Colt, Steve, Schwörer, Tobias
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Rock Mechanics BulletinExploring the meso-mechanical response of heterogeneous coal is crucial for understanding its macro mechanical behavior in coal mining, CO2 storage, and coal bed methane production.
YuKai Fu +5 more
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Deep Underground Science and Engineering, 2023 Grouting is an effective method to improve the integrity and stability of fractured rocks that surround deep roadways. After years of research and practice, various theories and a complete set of grouting technologies for deep roadways with fractured ...
Hongpu Kang +3 more
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Case study of hydraulic fracturing for coal burst risk mitigation
International Journal of Coal Science & TechnologyCoal bursts pose significant safety and operational challenges in deep mining environments, necessitating effective mitigation strategies to address high-stress concentrations and dynamic failure risks.
Hongpu Kang +4 more
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Meitan xuebaoCoal wall spalling is one of the main factors restricting the safe production of 10 m ultra-large mining height working face.In response to the problem of unclear mechanism of coal wall spalling and difficult control of surrounding rock in the 10 m ultra-
Jiangbin LIU +7 more
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THE FOREST LAND RECLAMATION AFTER LIGNITE OPEN PIT MINING IN THE SOUTH OF UKRAINE [PDF]
, 2018 Lignite mining in Kropyvnytsky region has been performed in the last few decades in Alexandria district in the watershed of the two rivers (Ingulets and Beska). Semenovske - Golodkywske mine is the pit associated with
Kharytonov, Mykola, Masyuk, Oleksandr
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