GB/T 2008-1987
Active
NB/T 11440-2023
Active
Industry standards-Energy
NB/T 11440-2023 Estimation specifications of coal reserves in production mine
NB/T 11440-2023 Estimation specifications of coal reserves in production mine
Price:
$ 47
Basic Information
Standard Code:
NB/T 11440-2023
Standard Type:
Industry standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Geological and mineral exploration and development
ICS Name:
Mining and excavation
Publish Date:
2023-12-28
Implement Date:
2024-06-28
Pages:
16 pages
Scope
This document stipulates the basic conditions, estimation requirements, and estimation formulas for estimating the reserves of coal mine resources.
This document is applicable to the estimation of coal mine reserves, and it can be referred to and implemented during the construction phase and the closure phase of the mine.
Development Information
Referenced Standards
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