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GB/T 45610-2025Reclamation code of practice for coal gangue backfill subsidence area (English PDF)

煤矸石回填塌陷区复垦技术规程

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

April 25, 2025

Implementation date

November 1, 2025

Scope

GB/T 45610-2025 is the English-translated version of 煤矸石回填塌陷区复垦技术规程.

GB/T 45610-2025 is the Chinese standard "Reclamation code of practice for coal gangue backfill subsidence area".

Its scope clause reads: This document establishes the general principles and work flow for reclamation of coal gangue backfill subsidence areas, and stipulates the classification and entry of coal gangue and the investigation of backfill sites.

The process of selection, backfilling and reclamation is described, and the monitoring and evaluation methods of reclamation quality are described. This document applies to the reclamation of coal mining subsidence areas using coal gangue backfill.

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Document preview — GB/T 45610-2025

National Standard of the People's Republic of China

ICS: 73.020
Classification: D 04

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

1 Scope1
2 Normative references1
4 General Principles2
5 Workflow2
6 Classification and admission of coal gangue3
6.1 Classification of coal gangue3
6.2 Requirements for the entry of coal gangue4
7 Backfill site investigation and selection4
7.2 Background Check4
7.3 Site stability level survey4
7.5 Site Selection Requirements5
8 Backfill and reclamation5
8.2 Topsoil Stripping and Protection5
8.3 Gangue Backfill5
9 Reclamation Quality Monitoring and Evaluation6
References8

1 Scope

This document establishes the general principles and work flow for reclamation of coal gangue backfill subsidence areas, and stipulates the classification and entry of coal gangue and the investigation of backfill sites.

The process of selection, backfilling and reclamation is described, and the monitoring and evaluation methods of reclamation quality are described.

This document applies to the reclamation of coal mining subsidence areas using coal gangue backfill.

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.

in this document.

GB/T 214 Determination of total sulfur in coal

GB 3838-2002 Surface water environmental quality standard

GB 8978 Comprehensive sewage discharge standard

GB/T 14848-2017 Groundwater Quality Standard

GB 16297-1996 Comprehensive Emission Standard of Air Pollutants

GB/T 17643 Geosynthetics Polyethylene Geomembrane

GB 18599-2020 Pollution Control Standard for Storage and Landfill of General Industrial Solid Waste

GB 18918 Pollutant emission standards for urban sewage treatment plants

GB/T 21010 Classification of land use status

GB/T 34230-2017 Test method for leaching of coal and coal gangue

GB/T 35986 Determination of loss on ignition of coal gangue

GB/T 37574-2019 Water resources and environment investigation and evaluation methods in coal mining subsidence areas

GB/T 43215-2023 Method for assessing the stability of ground foundations in surface construction areas of mined-out areas

GB/T 43934 Technical Specification for Coal Mine Land Reclamation and Ecological Restoration

GB 51044-2014 Code for geotechnical engineering investigation of coal mine goaf

HJ/T 20 Technical Specification for Sampling and Preparation of Industrial Solid Waste

HJ 91.2-2022 Technical Specifications for Surface Water Environmental Quality Monitoring

HJ/T 166-2004 Technical Specification for Soil Environmental Monitoring

HJ 610-2016 Technical Guidelines for Environmental Impact Assessment Groundwater Environment

NB/T 10533 Technical specification for treatment of coal mining subsidence areas

NB/T 11431-2023 Technical specification for coal gangue backfill in land reclamation

NY/T 1121.2 Soil testing Part 2.Determination of soil pH

TD/T 1031.1-2011 Rules for the preparation of land reclamation plans Part 1.General

TD/T 1031.3-2011 Rules for the preparation of land reclamation plans Part 3.Underground coal mines

TD/T 1036-2013 Land Reclamation Quality Control Standard

TD/T 1048 Technical specification for stripping and utilization of cultivated soil

TD/T 1049-2016 Basic information survey procedures for mine land reclamation

SN/T 1537 | GB/T 2007.1 | GB/T 2007.6 | GB/T 47461 | GB/T 15663.1 | […]

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 12 pages — is available in the English PDF.

Referenced standards

Normative references

Editions of GB/T 45610

Edition	Title	Revision	Status
GB/T 45610-2025	Reclamation code of practice for coal gangue backfilling subsidence area	current edition	Current

This page sells the current edition, GB/T 45610-2025. Earlier editions are listed for reference only.

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