Relations between the Key Stratum Movement and Equivalent Mining-height Induced by Coal-pillar Replaced By Gangue Backfill under Three Circumstances and Characteristics of Strata Movement

Relations between the Key Stratum Movement and Equivalent Mining-height Induced by Coal-pillar Replaced By Gangue Backfill under Three Circumstances and Characteristics of Strata Movement

YU Wei-jian, WANG Wei-jun

Mining and Metallurgical Engineering ›› 2011, Vol. 31 ›› Issue (4) : 25-29.

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Mining and Metallurgical Engineering ›› 2011, Vol. 31 ›› Issue (4) : 25-29.

Relations between the Key Stratum Movement and Equivalent Mining-height Induced by Coal-pillar Replaced By Gangue Backfill under Three Circumstances and Characteristics of Strata Movement

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{{article.zuoZheEn_L}}. {{article.title_en}}[J]. {{journal.qiKanMingCheng_EN}}, 2011, 31(4): 25-29

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