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GB/T 40112-2021: Specifications for risk assessment of geological hazard
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Specifications for risk assessment of geological hazard
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GB/T 40112-2021
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PDF similar to GB/T 40112-2021
Standard similar to GB/T 40112-2021 DB/T 10 DB/T 60 GB 50191 GB/T 50547 GB 55017 Basic data | Standard ID | GB/T 40112-2021 (GB/T40112-2021) | | Description (Translated English) | Specifications for risk assessment of geological hazard | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | P13 | | Word Count Estimation | 42,458 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 40112-2021: Specifications for risk assessment of geological hazard---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.
Specifications for risk assessment of geological hazard
ICS 07.060
P13
National Standards of People's Republic of China
Specification for Risk Assessment of Geological Disasters
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
Introduction Ⅳ
1 Scope 1
2 Normative references 1
3 Terms and definitions 1
4 Basic rules 2
4.1 Work content 2
4.2 Working Method 2
4.3 Job requirements 2
4.4 Working Procedure 3
4.5 Scope of the assessment area 3
4.6 Assessment work level 3
4.7 Grading of evaluation indicators 4
4.8 Technical requirements for different levels of assessment 11
5 Investigation of geological environmental conditions 12
5.1 General provisions 12
5.2 Regional geological background 12
5.3 Meteorology and Hydrology 12
5.4 Topography 12
5.5 Geological structure 13
5.6 Stratum lithology 13
5.7 Engineering geological conditions 13
5.8 Hydrogeological conditions 13
5.9 Special engineering geological problems 13
5.10 The impact of human engineering activities on the geological environment 13
6 Geological Hazard Investigation 14
6.1 General provisions 14
6.2 Landslide 14
6.3 Collapse 14
6.4 Debris flow 14
6.5 Karst collapse 15
6.6 Mined-out collapse 15
6.7 Ground fissure 15
6.8 Land subsidence 15
6.9 Unstable slope 16
7 Assessment of the current status of geological hazards 16
7.1 General provisions 16
7.2 Landslide 16
7.3 Collapse 16
7.4 Debris flow 17
7.5 Karst collapse 17
7.6 Mined-out collapse 17
7.7 Ground fissure 17
7.8 Land subsidence 17
7.9 Unstable slope 17
8 Prediction and assessment of the risk of geological hazards during and after completion of the project 17
8.1 General provisions 17
8.2 Landslide 18
8.3 Collapse 18
8.4 Debris Flow 19
8.5 Karst collapse 19
8.6 Mined-out collapse 20
8.7 Ground fissure 20
8.8 Land subsidence 21
8.9 Unstable slope 22
9 Prediction and assessment of the risk of geological disasters in construction projects 23
9.1 General provisions 23
9.2 Industrial and civil construction engineering 23
9.3 Road Traffic Engineering 24
9.4 Oil and gas pipeline engineering 25
9.5 Water Conservancy and Hydropower Engineering 26
9.6 Port and Wharf Engineering 27
9.7 Urban master plan, village and market town planning area 28
10 Comprehensive assessment of the risk of geological hazards and evaluation of the suitability of construction land 28
10.1 General provisions 28
10.2 Comprehensive assessment of the risk of geological hazards 28
10.3 Suitability evaluation of construction land 29
10.4 Suggestions on geological disaster prevention measures 29
11 Results submission 29
11.1 General provisions 29
11.2 Report 29
11.3 Figure 29
11.4 Annex 30
Appendix A (informative appendix) Technical work flow diagram of geological hazard risk assessment 31
Appendix B (Informative Appendix) Geological Hazard Assessment Questionnaire 32
Appendix C (informative appendix) Geological disaster prevention and control measures suggestion table 33
Appendix D (Normative Appendix) Geological Hazard Risk Assessment Results 36
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
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. China Geological Environmental Monitoring Institute, Beijing Zhongdi Huaan Geological Exploration Co., Ltd., China University of Geosciences (Beijing), Shanxi
The Third Geological Engineering Survey Institute of Western Province, Beijing Institute of Geology.
The main drafters of this standard. Yin Yueping, Yan Yusen, Gao Jiaojiao, Zhou Yongchang, Shen Naiqi, Wei Jinglian, Xiao Qiuping, Shang Bianku, Han Chao, Zhu Jie,
Li Yanjun, Zong Lebin, Ren Lubin, Hu Yaofeng, Zhou Hua, Liu Zhiwei, Yuan Xin, Dong Qiaomei, Zeng Qiuyu, Liu Wenbo.
Introduction
According to the "Regulations on the Prevention and Control of Geological Disasters" (Order [2003] No. 394 of the State Council) and the "Decision of the State Council on Strengthening the Prevention and Control of Geological Disasters"
(Guo Fa [2011] No. 20), in order to standardize the risk assessment of geological hazards in engineering construction and planning in areas prone to geological hazards, this document was formulated
standard.
Specification for Risk Assessment of Geological Disasters
1 Scope
This standard specifies the survey of geological environmental conditions, the survey of geological hazards, the current assessment of the risk of geological hazards, the predictive assessment, the comprehensive assessment and the
Evaluation of suitability of construction land, content, methods and requirements of results submission, etc.
This standard is applicable to landslides, avalanches, and debris during the feasibility study stage of various engineering construction and planning in areas prone to geological disasters.
Risk assessment of geological disasters such as flow, karst collapse, mined-out collapse, ground fissures, ground subsidence, unstable slopes, etc.
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/T 12328-1990 Comprehensive engineering geological map legend and color code
GB 50021 Geotechnical Engineering Survey Code
DZ/T 0179-1997 color standard and principle of geological map (1∶50000)
3 Terms and definitions
The following terms and definitions apply to this document.
3.1
Karst collapse
The rock and soil above the karst caves are deformed and destroyed under the action of natural or human factors, and form a geological phenomenon of collapse on the ground.
3.2
Mine-outareabreakdown
After the underground ore body is mined, the upper part of the ore layer and the surrounding rock layers lose support, and the balance condition is destroyed, and then it is bent and collapsed, so
It is a geological phenomenon of subsidence, deformation and collapse of the ground.
3.3
Ground fissure
The surface rock and soil are cracked under the action of natural factors or man-made factors, and form cracks with a certain length, width and depth.
Table destruction of the geological phenomenon.
3.4
Geological environmental conditions
Geological elements related to human survival, living, and dependence on engineering facilities.
Note. Geological environmental conditions include topography, hydrometeorology, stratum lithology, geological structure, hydrogeology, engineering geology, and the impact of human activities.
3.5
Geological hazard-pronearea
There are geological environmental conditions where geological disasters occur, and areas prone to geological disasters.
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