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Database: 189760 (18 Oct 2025)
NB/T 51020-2014 English PDF
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NB/T 51020-2014
: Specification of powered support used in coal mining by solid backflling
Status: Valid
Standard ID
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NB/T 51020-2014
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Specification of powered support used in coal mining by solid backflling
Valid
NB/T 51020-2014
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Basic data
Standard ID
NB/T 51020-2014 (NB/T51020-2014)
Description (Translated English)
Specification of powered support used in coal mining by solid backflling
Sector / Industry
Energy Industry Standard (Recommended)
Classification of Chinese Standard
D97
Classification of International Standard
73.100
Word Count Estimation
11,116
Date of Issue
10/15/2014
Date of Implementation
3/1/2015
Quoted Standard
GB/T 13306; GB 25974.1-2010; GB 25974.2; GB 25974.3; MT/T 98; MT/T 986
Regulation (derived from)
State Energy Bureau Notice 2014 No. 11; Industry Standard Filing Notice 2015 No. 1 (Overall No. 181)
Issuing agency(ies)
National Energy Administration
Summary
This Standard specifies the coal mine filled with solid hydraulic support terms and definitions, structure type, requirements, test methods, inspection rules, marking, packaging, transportation and storage. This Standard applies to integrated mechanized c