T/GRM 057.1-2023 Active Group standards

T/GRM 057.1-2023 Non-coal rock rockburst tendency evaluation specification Part 1: Indoor index determination and grade classification

Publish Date: 1970-01-01 Implement Date: 1970-01-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/GRM 057.1-2023

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Solid fuel mine

ICS Name: Informatics, publishing

Publish Date: 1970-01-01

Implement Date: 1970-01-01

Scope

Scope: This document specifies the terms and definitions involved in the evaluation of the rock burst susceptibility of non-coal rocks, indoor indicators and grade classification, instrumentation and equipment, rock sample specifications, determination of the peak strain energy storage index, determination of the post-peak stress drop rate index, determination of the residual elastic strain energy index, and determination of the brittleness index. This document is applicable to the determination of indoor indicators and grade classification of rock burst susceptibility of rocks that can be processed into standard rock samples in non-coal underground mines and other non-coal underground projects. Main technical contents: 1. Indoor indicators and grade classification; 2. Instrumentation and equipment; 3. Rock sample specifications; 4. Determination of the peak strain energy storage index; 5. Determination of the post-peak stress drop rate index; 6. Determination of the residual elastic strain energy index; 7. Determination of the brittleness index

Development Information

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