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GB/T 39834-2021 Active
GB/T 39834-2021 Technical requirement of fully mechanized bag filling mining with paste
Abstract
This document specifies the preparation of paste materials, the transportation of paste materials, the process and requirements of paste filling in comprehensive mechanized caving mining, the requirements for filling hydraulic supports and filling bags, and the observation of surface deformation and underground mine pressure. This document is applicable to comprehensive mechanized caving working faces with a coal seam thickness of less than 5 m, and it is recommended to adopt an upward inclined mining method.
General Product Information
| Document Type | National standards |
|---|---|
| Standard Status | Active |
| Standard Code | GB/T 39834-2021 |
| CCS | Mining |
| ICS | Mining and excavation |
| Implement Date | 2021-10-01 |
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$ 50
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