GB/T 39337-2020 Technical requirement of fully mechanized bag filling mining with superhigh-water material

Scope: Normative references pe Terminology and definitions Ultra-high water material Strength requirements Ultra-high water material Filling system composition pe 5.1 Filling station layout 5.2 Pulping system layout 5.3 Slurry conveying system oo Bag filling working face 6.1 Working face layout 6.2 "filling hydraulic pressure Bracket 6.3 "Fill bag filling mining process 7.1 Timing of coal mining and filling pe 7.2 "Filling operation process and technical requirements pe 7.3 Award system and conveying process and technical requirements 8.1 Equivalent mining height calculation 8.2 "Surface deformation monitoring 8.3 Underground Mineral Pressure Monitoring Appendix A (Normative Appendix) Test Method for Uniaxial Compressive Strength of Ultra-high Water Material Ne must co Le<="" td="">

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2020 GB/T 39337-2020 Technical requirement of fully mechanized bag filling mining with superhigh-water material

GB/T 39337-2020Technical requirement of fully mechanized bag filling mining with superhigh-water material