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GB/T 46548-2025Technical specification for the geological environment investigation of coal mining subsidence areas (English PDF)

采煤沉陷区地质环境调查技术规范

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

December 2, 2025

Implementation date

April 1, 2026

Scope

GB/T 46548-2025 is the English-translated version of 采煤沉陷区地质环境调查技术规范.

GB/T 46548-2025 is the Chinese standard "Technical specification for the geological environment investigation of coal mining subsidence areas". Its scope clause reads: This document specifies the general requirements, content and methods, impact analysis, and results of geological environment investigations in coal mining subsidence areas.

This document applies to the investigation of the geological environment in coal mining subsidence areas. The investigation of the geological environment in other mining subsidence areas shall be carried out with reference to this document. Its clauses include terms and definitions.

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Document preview — GB/T 46548-2025

National Standard of the People's Republic of China

ICS: 07.060
Classification: Z 06

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

Preface
1.Scope
2 Normative References
3.Terms and Definitions
4.General Requirements
5.Survey Content and Methods
6.Results of the Geological Environment Survey
7.Deliverables Requirements
Appendix A (Informative) Geological Environment Survey Form
Appendix B (Normative) Classification Table of Comprehensive Impacts of Geological Environment
Appendix C (Informative) Report Preparation Outline

1 Scope

This document specifies the general requirements, content and methods, impact analysis, and results of geological environment investigations in coal mining subsidence areas.

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 12328 Legend and Color Codes for Integrated Engineering Geological Maps

GB/T 30363-2013 Technical Specification for Monitoring Forest Vegetation Status

GB/T 37574-2019 Methods for Investigation and Evaluation of Water Resources and Environment in Coal Mining Subsidence Areas

GB/T 39791.2-2020 Technical Guidelines for Ecological and Environmental Damage Assessment. General Principles and Key Aspects, Part 2.Damage Investigation

GB/T 40112-2021 Standard for Geological Hazard Risk Assessment

GB/T 42362-2023 Standard for Evaluation of the Degree of Hazard to Groundwater Aquifer Damage in Mining Areas

GB/T 43935-2024 Technical Specification for Monitoring and Evaluation of Mine Land Reclamation and Ecological Restoration

GB 51044-2014 Code for Geotechnical Investigation of Coal Mine Goaf Areas

DZ/T 0179 Color Standards and Principles for Geological Maps (1.50000)

DZ/T 0223-2011 Specification for the Preparation of Mine Geological Environment Protection and Restoration Plans

DZ/T 0261-2014 Standard for Investigation of Landslide, Collapse and Debris Flow Disasters (1.50000)

DZ/T 0388-2021 Specification for Groundwater Monitoring in Mining Areas

DZ/T 0438-2023 Standard for Geological Hazard Risk Investigation and Assessment (1.50000)

HJ91.2-2022 Technical Specification for Surface Water Environmental Quality Monitoring

NB/T 10528-2021 Technical Specification for General Survey of Old Coal Mine Goaf Areas

NY/T 395-2025 Technical Specification for Monitoring the Environmental Quality of Farmland Soil

TD/T 1043.1-2013 Technical Specification for Improving Saline-Alkali Land with Subsurface Pipes Part 1.Soil Investigation

TD/T 1070.1-2022 Technical Specification for Ecological Restoration of Mines Part 1.General Rules

TD/T 1070.2-2022 Technical Specification for Ecological Restoration of Mines Part 2.Coal Mines

3 Terms and Definitions

The following terms and definitions apply to this document.

3.1 goaf in goaf

The entire process of displacement, cracking, fracturing, and collapse that occurs when underground coal resources are mined in a certain way, resulting in the instability of the surrounding rock.

Underground space.

[Source. GB/T 43215-2023, 3.1] […]

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 19 pages — is available in the English PDF.

Referenced standards

Normative references

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