条带充填开采煤柱宽度和开采宽度的确定
Calculation of the pillar size and stripe opening in the stripe-and-pillar mining with backfilling
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摘要: 文章通过对条带充填开采煤柱载荷和煤柱强度的理论分析,提出了条带充填开采所需留设的合理煤柱尺寸及开采宽度。Abstract: Through theoretical analyses of the pillar stress and pillar strength in the pillar-and-stripe mining with backfilling, the rational pillar size and mining stripe opening are determined.
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