MT 644-1997
Active
T/GRM 075-2023
Active
Group standards
T/GRM 075-2023 Drilling and grouting reinforcement technical specification for waterproof and sealed walls in coal mine underground
T/GRM 075-2023 Drilling and grouting reinforcement technical specification for waterproof and sealed walls in coal mine underground
Price:
$ 20.00
Basic Information
Standard Code:
T/GRM 075-2023
Standard Type:
Group standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
-
ICS Name:
Other mining equipment
Publish Date:
2023-11-29
Implement Date:
2023-11-29
Pages:
12 pages
Scope
Scope: This document specifies the general requirements, design, construction, acceptance, and operation for grouting reinforcement of waterproofing sealed walls in coal mines. This document is applicable to grouting reinforcement of waterproofing sealed walls in coal mines. Main technical content: 1. General requirements; 2. Design; 3. Construction; 4. Acceptance; 5. Operation
Development Information
Related Standards
MT 646-1997
Abolished
MT 646-1997 Frictional metal prop
MT 668-1997
Replaced
MT 668-1997 Technical Conditions for Flame-Retardant Steel-Mesh-Core Conveying Belt for Coal Mines
MT 669-1997
Active
MT 669-1997 Technical condition of fire-resistant steel-cable conveyor-belt in coal mining
MT/T 154.7-1997
Active
MT/T 154.7-1997 Model designation of separating equipment for coal
MT/T 660-1997
Active