T/GRM 074-2023 Active Group standards

T/GRM 074-2023 Standard for Evaluating the Danger of Water Inrush in Coal Mines

T/GRM 074-2023 Evaluation standard for water-outburst risk of coal mine

Publish Date: 2023-11-29 Implement Date: 2023-11-29 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Price: $ 20.00

Download

Basic Information

Standard Code: T/GRM 074-2023

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: Mining and excavation

Publish Date: 2023-11-29

Implement Date: 2023-11-29

Pages: 21 pages

Scope

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