Abutment Pressure Distribution Law and Support Analysis of Super Large Mining Height Face
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DOI: 10.3390/ijerph20010227
Abstract: Under the condition of the shallow coal seam, the laws of roof activity after large mining height longwall face mining and prevention measures for large-area roof weighting are problems that need to be solved urgently.… read more here.
Keywords: abutment pressure; face; mining height; mining ... See more keywords
Research on the Mechanism and Control Technology of Coal Wall Sloughing in the Ultra-Large Mining Height Working Face
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DOI: 10.3390/ijerph20010868
Abstract: One of the primary factors affecting safe and effective mining in fully mechanized mining faces with large mining heights is coal wall sloughing. This paper establishes the mechanical model of the coal wall and uses… read more here.
Keywords: mining height; coal wall; coal;