GB/T 2008-1987
Active
GB/T 39336-2020
Active
National standards
GB/T 39336-2020 Technical requirement of roadside bag filling for gob-side entry retaining with high-water material
GB/T 39336-2020 Technical requirement of roadside bag filling for gob-side entry retaining with high-water material
Basic Information
Standard Code:
GB/T 39336-2020
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Mining
ICS Name:
Mining and excavation
Publish Date:
2020-11-19
Implement Date:
2021-06-01
Pages:
11 pages
Scope
This standard specifies the terms and definitions of the high-water material side-filling technology in the goaf along the coal seam, the strength requirements of high-water materials, the pulp conveying system, the requirements for goaf support after side-filling, the process and requirements of side-filling in the goaf, the strength of the filled goaf, and mine pressure monitoring and quality inspection.
This standard is applicable to mining galleries with a coal seam inclination of less than 25° and a mining height of less than 5.0 m, which are supported by anchor-net systems.
Development Information
Referenced Standards
GB 3836.2-2000 Electrical apparatus for explosive gas atmospheres—Part 2:Flameproof enclosure “d”
GB 3836.2-2010 Explosive atmospheres—Part 2:Equipment protection by flameproof enclosures "d"
GB/T 3836.2-2021 Explosive atmospheres—Part 2:Equipment protection by flameproof enclosures “d”
GB/T 20105-2006 Coated fabrics for air duct
GB/T 39337-2020 Technical requirement of fully mechanized bag filling mining with superhigh-water material
HG/T 2580-2022 Determination of tensile strength and elongation at break of rubber or plastic-coated fabrics
JB/T 7043-2006 Hydraulic axial piston pump
HG/T 2580-2008 Rubber or plastic-coated fabric - Determination of tensile strength and elongation at break
HG/T 2580-1994 Determination of tensile strength and tensile extension of rubber or plastic coated fabrics
JB/T 7043-1993 Technical Specifications for Hydraulic Axial Piston Pumps
GB/T 20105-2026 Coated fabrics for air duct
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