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GB/T 46425-2025Technical specification for ecological restoration of coal gangue piles (English PDF)

煤矸石山生态修复技术规范

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

October 5, 2025

Implementation date

February 1, 2026

Scope

GB/T 46425-2025 is the English-translated version of 煤矸石山生态修复技术规范.

GB/T 46425-2025 is the Chinese standard "Technical specification for ecological restoration of coal gangue piles".

Its scope clause reads: This document specifies the general principles, workflow, investigation and evaluation, ecological restoration engineering design, and main technical requirements for the ecological restoration of coal gangue piles.

Requirements such as requirements for monitoring and maintenance. This document applies to the ecological restoration of coal gangue piles; other similar mine solid waste dumps should be restored using this document as a reference.

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Document preview — GB/T 46425-2025

National Standard of the People's Republic of China

ICS: 73.040
Classification: D 20

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

Preface
1.Scope
2 Normative References
3.Terms and Definitions
4.General Principles
5.Workflow
6.Survey Evaluation
7.Ecological Restoration Engineering Design 6.
8.Main Technical Requirements 6.
9.Monitoring and Maintenance
Appendix A (Informative) Investigation on Spontaneous Combustion of Coal Gangue Hills
Appendix B (Informative) Method for Measuring Net Acid Production from Coal Gangue
Appendix C (Informative) Model for Calculating the Location of Spontaneous Combustion Points Inside Coal Gangue Piles
Appendix D (Informative) Outline of Ecological Restoration Design Report for Coal Gangue Hills
Appendix E (Informative) 18 Common Pioneer Plants for Vegetation Restoration in Coal Gangue Hills
References

1 Scope

This document specifies the general principles, workflow, investigation and evaluation, ecological restoration engineering design, and main technical requirements for the ecological restoration of coal gangue piles.

Requirements such as requirements for monitoring and maintenance.

This document applies to the ecological restoration of coal gangue piles; other similar mine solid waste dumps should be restored using this document as a reference.

2 Normative references

The contents of the following documents, through normative references within the text, constitute essential provisions of this document. Dated citations are not included.

For references to documents, only the version corresponding to that date applies to this document; for undated references, the latest version (including all amendments) applies.

This document.

GB/T 214 Determination of Total Sulfur in Coal

GB 3095 Ambient Air Quality Standard

GB 3838 Surface Water Environmental Quality Standard

GB/T 7930 1.500 1.1000 1.2000 Standard for Aerial Photogrammetry of Topographic Maps (Indoor Data Processing)

GB/T 7931 1.500 1.1000 1.2000 Specifications for Aerial Photogrammetry Fieldwork of Topographic Maps

GB/T 14848 Groundwater Quality Standard

GB/T 15555.1 Determination of Total Mercury in Solid Waste by Cold Atomic Absorption Spectrophotometry

GB 15618 Standard for Risk Control of Soil Pollution in Agricultural Land (Trial)

GB/T 15776 Technical Specifications for Afforestation

GB/T 15781 Forest Tending Regulations

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

GB/T 26424 Technical Specification for Forest Resource Planning, Design and Survey

GB/T 32864 Code for Investigation of Landslide Prevention Engineering

GB/T 33687 General Rules for Inspection of Coal Gangue

GB/T 34230 Leaching Test Method for Coal and Coal Gangue

GB 36600 Soil Environmental Quality Standard for Risk Control of Soil Pollution in Construction Land (Trial)

GB/T 37067 Technical Specification for Restoration of Degraded Grassland

GB/T 38360 Technical Specification for Vegetation Restoration of Bare Slopes

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

GB/T 43935 Technical Specification for Monitoring and Evaluation of Mine Land Reclamation and Ecological Restoration

GB 50021 Code for Geotechnical Investigation

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

HJ91.2 Technical Specification for Surface Water Environmental Quality Monitoring

HJ164 Technical Specification for Groundwater Environmental Monitoring

HJ/T 166 Technical Specification for Soil Environmental Monitoring

HJ194 Technical Specification for Manual Monitoring of Ambient Air Quality

HJ557 Solid Waste Leaching Toxicity Leaching Method. Horizontal Oscillation Method

GB/T 26127 | GB/T 35064 | GB 34170 | GB 26569 | GB/T 24504 | […]

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 25 pages — is available in the English PDF.

Referenced standards

Normative references

GB 50021

Editions of GB/T 46425

Edition	Title	Revision	Status
GB/T 46425-2025	Technical specification for ecological restoration of coal gangue piles	current edition	Current

This page sells the current edition, GB/T 46425-2025. Earlier editions are listed for reference only.

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