Keywords: Backfilling mining
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Journal Articles
World Journal of Engineering (2012) 9 (3): 213–220.
Published: 01 June 2012
... are described. Based on the comprehensive analyses of the abundant literature, separated bed grouting, backfill mining, Partial Mining and homonic mining technology, are the main mining technologies that exist for extraction of these coals. At the same time, the necessary measures for protecting the buildings...

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