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NB/T 11431-2023: Technical specifications for backfilling of coal gangue in land remediation
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| NB/T 11431-2023 | English | 309 |
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Technical specifications for backfilling of coal gangue in land remediation
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NB/T 11431-2023
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PDF similar to NB/T 11431-2023
Standard similar to NB/T 11431-2023 GB 16487.13 GB 13015 Basic data | Standard ID | NB/T 11431-2023 (NB/T11431-2023) | | Description (Translated English) | Technical specifications for backfilling of coal gangue in land remediation | | Sector / Industry | Energy Industry Standard (Recommended) | | Classification of Chinese Standard | Z71 | | Classification of International Standard | 73.040 | | Word Count Estimation | 14,141 | | Date of Issue | 2023-12-28 | | Date of Implementation | 2024-06-28 | | Issuing agency(ies) | National Energy Administration | NB/T 11431-2023: Technical specifications for backfilling of coal gangue in land remediation---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
NB/T 11431-2023 English version. Technical specifications for backfilling of coal gangue in land remediation
ICS 73.040
CCSZ71
Energy Industry Standards of the People's Republic of China
Technical specification for land reclamation and gangue backfill
Released on 2023-12-28
2024-06-28 implementation
The National Energy Administration released
Table of Contents
Preface III
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 General requirements 2
5 Requirements and classification of coal gangue 2
6 Coal Gangue Backfill Site Selection 3
7 Feasibility analysis of coal gangue backfill 3
8 Implementation of coal gangue backfill project 3
9 Environmental monitoring of coal gangue backfill project 4
References 6
Foreword
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents"
Drafting.
This document was proposed by the China Coal Industry Association.
This document is under the jurisdiction of the Standardization Expert Group of China Coal Industry Association.
This document was drafted by. Guoneng Shendong Coal Group Co., Ltd., China University of Mining and Technology (Beijing), Ordos Municipal Ecological Environment Bureau,
China Energy Investment Group Co., Ltd., Guoneng Longyuan Environmental Protection Co., Ltd., Solid Waste and Chemicals Management Technology Center of the Ministry of Ecology and Environment,
China Energy Group Xinjiang Energy Co., Ltd., China Coal Industry Association Productivity Promotion Center, and China Shenhua Energy Co., Ltd.
The main drafters of this document are. Wang Yi, Zhang Kai1), Su Yalatu, Yang Yanchun, Yang Yansheng, Zhang Kai2), Ye Xiaodong, Jiang Xinjun, Xue Jun, Mao Xiansheng,
Yang Yang, Zhang Zhigang, Yu Caihong, Guo Yangnan, Zhang Bo, Chen Mengyuan, Yan Ruibing, Jiang Kaisheng.
1) China University of Mining and Technology (Beijing).
2) China Energy Investment Group Co., Ltd.
Technical specification for land reclamation and gangue backfill
1 Scope
This document establishes the technical specifications for gangue backfilling, and stipulates the requirements for gangue classification, gangue admission, gangue backfilling site selection,
Feasibility analysis, implementation of backfill projects, and environmental monitoring of backfill projects.
This document applies to the use of coal gangue or modified coal gangue in land consolidation to replace sand, stone, soil, etc., for land consolidation and land restoration.
It provides available backfill materials for mine backfilling, infrastructure construction, and land reclamation in natural potholes during land reclamation, land development, and land restoration.
His gangue backfill can refer to this document.
2 Normative references
The contents of the following documents constitute the essential clauses of this document through normative references in this document.
For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to
This document.
GB 3838 Surface water environmental quality standard
GB 8978 Comprehensive sewage discharge standard
GB 12523 Emission standard of environmental noise at construction sites
GB 16297 Comprehensive Emission Standard of Air Pollutants
GB 16423 Safety regulations for metal and non-metal mines
GB 18599-2020 Pollution Control Standard for Storage and Landfill of General Industrial Solid Waste
GB 51016 Technical specification for slope engineering of non-coal open-pit mines
HJ2.3 Technical Guidelines for Environmental Impact Assessment Surface Water Environment
HJ19 Technical Guidelines for Environmental Impact Assessment Ecological Impact
HJ610 Technical Guidelines for Environmental Impact Assessment Groundwater Environment
HJ819 General Principles of Technical Guidelines for Self-monitoring by Pollutant Discharge Units
HJ964 Technical Guidelines for Environmental Impact Assessment Soil Environment (Trial)
TD/T 1036 Land Reclamation Quality Control Standard
NB/T 10532 Technical specification for quality inspection of land reclamation in open-pit coal mines
3 Terms and definitions
The following terms and definitions apply to this document.
3.1
Coal Gangue
Rocks with dry ash content > 50% generated during coal mine development, excavation, coal mining and coal washing.
[Source. GB/T 29162-2010, 3.1]
3.2
Backfiling
For the purpose of land reclamation, coal gangue is used to replace sand, stone, soil, etc. to fill the surface excavation area, borrow pit, and underground mining subsidence in open-pit mining.
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