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GB/T 12719-2021: Exploration specification of hydrogeology and engineering geology in mining areas
Status: Valid GB/T 12719: Evolution and historical versions
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Exploration specification of hydrogeology and engineering geology in mining areas
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GB/T 12719-2021
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Exploration specification of hydrogeology and engineering geology in mining areas
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Basic data | Standard ID | GB/T 12719-2021 (GB/T12719-2021) | | Description (Translated English) | Exploration specification of hydrogeology and engineering geology in mining areas | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | D14 | | Word Count Estimation | 50,528 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 12719-2021: Exploration specification of hydrogeology and engineering geology in mining areas
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Exploration specification of hydrogeology and engineering geology in mining areas
ICS 73.020
D14
National Standards of People's Republic of China
Replace GB/T 12719-1991
Code for Hydrogeological Engineering Geological Prospecting in Mining Areas
Released on 2021-05-21
2021-12-01 implementation
State Administration of Market Supervision and Administration
Issued by the National Standardization Management Committee
Table of contents
Foreword Ⅲ
1 Scope 1
2 Normative references 1
3 Terms and definitions 1
4 General 2
4.1 Phase division and basic tasks of prospecting work 2
4.2 Basic Principles of Prospecting 2
5 Hydrogeological exploration of mining area 3
5.1 Classification of survey types 3
5.2 Requirements for the degree of exploration 4
5.3 Principles and quantities of survey engineering layout 6
5.4 Technical requirements for prospecting 10
5.5 Calculation of Mine (Pit) Water Inflow 14
5.6 Water inrush (inrush) risk assessment 14
5.7 Evaluation of comprehensive utilization of water resources in mining areas 15
6 Engineering geological survey of mining area 15
6.1 Classification of survey types 15
6.2 Requirements for the degree of exploration 16
6.3 Principles and quantity of survey engineering layout 18
6.4 Technical requirements for survey 19
6.5 Engineering geological evaluation of mining area 21
7 Investigation and evaluation of geological environment in mining area 22
7.1 Geological environment survey 22
7.2 Assessment of the geological environment of the mining area 23
8 Report preparation requirements 24
8.1 General requirements 24
8.2 Requirements for writing report 24
8.3 Drawings and Schedule 27
Appendix A (informative appendix) Calculation of maximum height of caving zone and water-conducting fracture zone in coal seam mining 30
Appendix B (Normative Appendix) Classification of Water Enrichment of Aquifers 31
Appendix C (Informative Appendix) Calculation of Safety Waterproof Thickness and Water Inrush Coefficient 32
Appendix D (informative appendix) Water inrush (inrush) risk assessment 33
Appendix E (Normative Appendix) Structural surface classification 35
Appendix F (informative appendix) Classification of weathering degree of rock mass 36
Appendix G (Normative Appendix) Rock, rock mass quality and rock mass pros and cons classification 37
Appendix H (Normative Appendix) Classification of Rock Mass Structure 39
Appendix I (informative appendix) Rock (soil) sample indoor test project 42
References 43
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard replaces GB/T 12719-1991 "Code for Hydrogeology and Engineering Geological Prospecting in Mining Areas". Compared with GB/T 12719-1991,
In addition to editorial changes, the main technical changes are as follows.
---Modified the standard name, changed from "Mining Area Hydrogeology Engineering Geological Prospecting Specification" to "Mining Area Hydrogeology Engineering Geological Prospecting Regulations"
Fan";
---Added normative references (see Chapter 2, Chapter 2 of the.1991 edition);
---Modified some terms and definitions (see 3.1, 3.2, 3.3 and 3.6, B1, B2, B6 and B16 in the.1991 edition);
--- Deleted some terms and definitions (see B3~B5, B7~B14, B17 and B18 in the.1991 edition);
---Added some terms and definitions (see 3.7~3.8);
---Added the basic tasks of the general survey stage and detailed investigation stage of hydrogeological survey of the mining area (see 4.1.1, 4.1.2);
---Modified the basic tasks of the mining area hydrogeological exploration and exploration stage (see 4.1.3, 3.1 of the.1991 edition);
---Modified the basic principles of hydrogeological exploration in mining areas (see 4.2, 3.2 in the.1991 edition);
---Modified the basis for the classification of the complexity of various water-filled deposits (see 5.1.3, 4.1.3 of the.1991 edition);
---Added the requirements for the degree of exploration in the general survey phase and detailed survey phase of the hydrogeological survey of the mining area (see 5.2.1 and 5.2.2);
---Modified the requirements for the degree of exploration in the hydrogeological exploration stage of the mining area (see 5.2.3, 4.2 in the.1991 edition);
---Modified the amount of hydrogeological survey in the mining area (see 5.3.2, 4.3.2 of the.1991 edition);
---Modified the technical requirements for hydrogeological exploration of mining areas (see 5.4.1, 5.4.3, 5.4.4, 5.4.5, 5.4.6, 4.4.1~ in the.1991 edition)
4.4.5);
---Added the technical requirements for hydrogeological and geophysical prospecting (see 5.4.2);
---Added the technical requirements for isotope analysis and exploration (see 5.4.7);
---Added the technical requirements for remote sensing interpretation and exploration (see 5.4.8);
---Modified the calculation of mine (pit) water inflow (see 5.5, 4.5 in the.1991 edition);
---Added "water inrush (inrush) risk assessment" (see 5.6);
---Modified the evaluation of comprehensive utilization of water resources in mining areas (see 5.7, 4.6 of the.1991 edition);
---Modified the "Types of Engineering Geological Prospecting in Mining Areas" (see 6.1, 5.1 of the.1991 edition);
---Added the requirements for the extent of the general survey stage and detailed investigation stage of engineering geological survey in mining areas (see 6.2.1 and 6.2.2);
---Modified the requirements for the degree of exploration in the exploration stage of the engineering geological exploration of the mining area (see 6.2.3, 5.2 in the.1991 edition);
---Added "Engineering Geological Survey and Evaluation of Goaf" (see 6.2.3.4 and 6.5.4);
---Modified the "Engineering Geological Prospecting Engineering Layout Principles and Engineering Quantity" (see 6.3, 5.3 of the.1991 edition);
---Modified the technical requirements for engineering geological survey (see 6.4, 5.4 of the.1991 edition);
---Modified the engineering geological evaluation of the mining area (see 6.5.1~6.5.3, 5.5.1~5.5.3 of the.1991 edition);
---Modified environmental geological survey (see 7.1.1~7.1.4,.1991 version 6.1.1~6.1.4);
--- Added "Mining Geological Environment Database" (see 7.1.5);
--- Modified the environmental geological evaluation of prospecting mining areas (see 7.2.4, 6.2.4 of the.1991 edition);
--- Modified the environmental geological evaluation of the expanded and extended exploration mining area (see 7.2.5, 6.2.5 of the.1991 edition);
---Modified the "Requirements for Writing Reports" (see 8.2, 7.2 of the.1991 edition);
---Revised the drawings and attached tables (see 8.3, 7.3 of the.1991 edition);
--- The appendix "Explanation of terms used in this specification" (see Appendix A of the.1991 edition) is deleted, and the appendix "Terms and Terminology" is placed in the main text "3 Terminology and
Definition" (see Appendix B of the.1991 edition);
---Revised the appendix (see Appendix A~Appendix C, Appendix E~Appendix I, Appendix C~Appendix J of the.1991 edition);
---Added "Water inrush (inrush) risk assessment" (see Appendix D);
---Added references.
This standard was proposed by the Ministry of Natural Resources of the People's Republic of China.
This standard is under the jurisdiction of the National Standardization Technical Committee for Natural Resources and Land and Space Planning (SAC/TC93).
Drafting organizations of this standard. Institute of Hydrogeology and Environmental Geology, Chinese Academy of Geological Sciences, China Geological Survey, China University of Mining and Technology (North
Beijing), North China Nonferrous Engineering Survey Institute Co., Ltd., Hydrogeology Bureau of China Coal Geology Bureau.
The main drafters of this standard. Zhang Fawang, Li Xiangquan, Hou Xinwei, Wu Qiang, Wen Dongguang, Fu Yaojun, Wang Zhenxing, Liu Xinshe, Ma Luxia,
Zhe Shuqun, Liu Lingxia.
The previous versions of the standard replaced by this standard are as follows.
---GB/T 12719-1991.
Code for Hydrogeological Engineering Geological Prospecting in Mining Areas
1 Scope
This standard specifies the type of survey, the degree of survey, the engineering quantity, the technical requirements for survey, and the geological evaluation of the hydrogeology, engineering, geology and environment of the mining area
And the basic requirements for report writing.
This standard is applicable to the exploration work in various stages of hydrogeology and engineering geology in solid mineral mining areas. It is the formulation of exploration design and engineering quality inspection.
Basis for inspection, acceptance, report writing, review and approval.
2 Normative references
The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this article
Pieces. For undated reference documents, the latest version (including all amendments) is applicable to this document.
GB 3838 Surface Water Environmental Quality Standard
GB 5749 Sanitary Standard for Drinking Water
GB 8537 National Food Safety Standard Drinking Natural Mineral Water
GB/T 11615 Specification for Geological Prospecting of Geothermal Resources
GB/T 14848 Groundwater Quality Standard
GB 18306 China Earthquake Parameter Zoning Map
DZ/T 0342-2020 Mine Water Inflow Forecast Calculation Regulation
3 Terms and definitions
The following terms and definitions apply to this document.
3.1
Main water-filing aquifer
Under the mining conditions of the ore deposit, one or more aquifers with a large water-filled capacity are generated for the shaft.
3.2
Hydrogeological exploration
Field and indoor hydrogeological work to find out the hydrogeological conditions of an area.
Note. Including hydrogeological surveying and mapping, geophysical prospecting, drilling, testing, groundwater dynamic monitoring, etc.
3.3
Mine (pit) water inflows of mines
The amount of water inflow in a mine (pit) formed by changing water-filling factors (excluding water inrush from wells and roadways, surface water intrusion, etc.).
3.4
Engineeringgeologicalproblemsofmines
The general term for geological hazards caused by the interaction between mining engineering and rock and soil.
3.5
Geological environment assessment of mining area geological environment qualityassessmentofminingareas
The evaluation of the current status of the geological environment quality in the mining area and the prediction of the geological environment quality under the mining conditions, and then propose the control and
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