Development rule of ground fissure and mine ground pressure in shallow burial and thin bedrock mining area
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DOI: 10.1038/s41598-024-77324-7
Abstract: With the increase of coal seam mining intensity in the western mining area, which has the typical mining geological characteristics of shallow burial depth, thin bedrock and thick loose layer, the structure of overburden rock… read more here.
Keywords: layer; pressure; surface; working face ... See more keywords
Study on the Evolution Law of Overburden Breaking Angle under Repeated Mining and the Application of Roof Pressure Relief
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DOI: 10.3390/en12234513
Abstract: Aiming at the serious problems caused by coal mine mining activities causing the rock burst accidents, this paper is based on rock mechanics and material mechanics to establish the key layer breaking by the double-key… read more here.
Keywords: repeated mining; key layer; breaking angle; coal ... See more keywords