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

Publish Date: 2020-11-19 Implement Date: 2021-06-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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

Word Count: 20 Thousand words Pages: 11 pages

Referenced Standards

Related Standards

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