GB/T 25217.8-2021 Active National standards

GB/T 25217.8-2021 Methods for test,monitoring and prevention of rock burst—Part 8:Monitoring method of electromagnetic radiation

Publish Date: 2021-04-30 Implement Date: 2021-11-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 25217.8-2021

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Solid fuel mine

ICS Name: \nCoal

Publish Date: 2021-04-30

Implement Date: 2021-11-01

Pages: 11 pages

Scope

This part of GB/T 25217 specifies the monitoring instruments and requirements, monitoring methods, monitoring data recording and processing, and early warning of impact-induced electromagnetic radiation involved in the monitoring of impact-induced electromagnetic radiation in coal mines. This part is applicable to the monitoring of impact-induced electromagnetic radiation in coal mines.

Development Information

Word Count: 22 Thousand words Pages: 11 pages

Referenced Standards

GB 3836.1-2010 Explosive atmospheres—Part 1:Equipment—General requirements GB 3836.4-2010 Explosive atmospheres—Part 4:Equipment protection by intrinsic safety "i"

Related Standards

GB 5751-1986 Replaced

GB 5751-1986 Classification of Chinese coals

Publish Date: 1986-01-09

GB 481-1993 abolished_transferred

GB 481-1993 Sampling method of coal sample for production

Publish Date: 1993-02-19

GB/T 15223-1994 Replaced

GB/T 15223-1994 Plastics—Liquid resins—Determination of density by the pyknometer method

Publish Date: 1994-09-24

GB/T 15224.1-1994 Replaced

GB/T 15224.1-1994 Classification for quality of coal—Classification for ash yield of coal

Publish Date: 1994-09-24

GB/T 15224.2-1994 Replaced

GB/T 15224.2-1994 Classification for quality of coal—Classification for sulphur content of coal

Publish Date: 1994-09-24

GB/T 15224.3-1994 Replaced

GB/T 15224.3-1994 Classification for quality of coal—Classification for calorific value of coal

Publish Date: 1994-09-24