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[26]Ǯ���ߣ��θ�������ȫ��.�۲ɹ������ѹ������֧���������[J].�й�ú̿��1995(7): 48-51.Review of the Theory and Practice
of Strata Control Around Longw all Face in Recent 20 Years
Q IAN M mgһgao
(Department ofM ining Engineering, CUM T��Xuzhou, Jiangsu 221008, China) Abstract The theory and practice, established and conducted by China University ofMining and Technology in recent 20 years, contain the mechanical model of stacked layer of blocks, theory of key stratum��the��SһR" stability of the mechanical model, the concept of viewing the mechanical situation around longwall face as a whole, and monitoring technique for the stability of��support-surrounding strata" system .Finally, some future research ideas were put forward.
Keywords: mechanical mode l of stacked layer of blocks; key stratum;mechanical model around long-wall face as a whole; m onitoring technique of��support-surrounding strata"
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