GB 5751-1986
Replaced
NB/T 11121-2023
Active
Industry standards-Energy
NB/T 11121-2023 Digital construction of underground coal mine—Evaluation index and method
NB/T 11121-2023 Digital construction of underground coal mine—Evaluation index and method
Basic Information
Standard Code:
NB/T 11121-2023
Standard Type:
Industry standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Basic standards and general methods
ICS Name:
\nCoal
Publish Date:
2023-02-06
Implement Date:
2023-08-06
Pages:
60 pages
Scope
This document stipulates the evaluation indicators and methods for the digital construction of pit coal mines, including the grading of digital construction evaluation, the evaluation index system for digital construction, and the evaluation methods for digital construction. This document is applicable to the evaluation of the digital construction of new, modified (expanded) and existing pit coal mines during their construction and production phases.
Development Information
Referenced Standards
Related Standards
GB 481-1993
abolished_transferred
GB 481-1993 Sampling method of coal sample for production
GB/T 15223-1994
Replaced
GB/T 15223-1994 Plastics—Liquid resins—Determination of density by the pyknometer method
GB/T 15224.1-1994
Replaced
GB/T 15224.1-1994 Classification for quality of coal—Classification for ash yield of coal
GB/T 15224.2-1994
Replaced
GB/T 15224.2-1994 Classification for quality of coal—Classification for sulphur content of coal
GB/T 15224.3-1994
Replaced