T/GRM 074-2023 Active
T/GRM 074-2023 Standard for Evaluating the Danger of Water Inrush in Coal Mines
Abstract
Scope: This document specifies the types of water inrush in coal mines during underground mining, the risk levels of water inrush, the hazard sources of water inrush and their identification, evaluation data, roof water inrush risk assessment, floor water inrush risk assessment, and water dynamic monitoring, etc. This document is applicable to the risk assessment of water inrush in coal mines under construction and in production. The evaluation of planned and designed coal mines can refer to this document. Main technical contents: 1. General provisions; 2. Types of water inrush; 3. Risk levels of water inrush; 4. Hazard sources of water inrush and their identification; 5. Evaluation data; 6. Evaluation methods; 7. Roof water inrush risk assessment; 8. Floor water inrush risk assessment; 9. Water dynamic monitoring
General Product Information
| Document Type | Group standards |
|---|---|
| Standard Status | Active |
| Standard Code | T/GRM 074-2023 |
| ICS | Mining and excavation |
| Implement Date | 2023-11-29 |