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GB/T 46252-2025: Specification for identification of high-impact sections of road icing
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Specification for identification of high-impact sections of road icing
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Standard similar to GB/T 46252-2025 GB/T 37254 | GB/T 33673 | GB/T 33679 | GB/T 46251 | GB/T 46250 | Basic data | Standard ID | GB/T 46252-2025 (GB/T46252-2025) | | Description (Translated English) | Specification for identification of high-impact sections of road icing | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | A47 | | Classification of International Standard | 07.060 | | Word Count Estimation | 14,162 | | Date of Issue | 2025-10-05 | | Date of Implementation | 2026-05-01 | | Issuing agency(ies) | State Administration for Market Regulation and Standardization Administration of China | GB/T 46252-2025: Specification for identification of high-impact sections of road icing---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.
ICS 07.060
CCSA47
National Standards of the People's Republic of China
Road Icing High-Impact Section Investigation Standards
Published on 2025-10-05
Implemented on May 1, 2026
State Administration for Market Regulation
The State Administration for Standardization issued a statement.
Table of contents
Preface III
1.Scope 1
2 Normative References 1
3.Terms and Definitions 1
4.Investigation Process 1
5.Review of materials 2
6.Direct determination 2
7.Comprehensive Judgment 3
8.Results Summary 5
9.Verification Methods 5
Appendix A (Normative) Sample Form for Investigation and Data Collection of Road Sections Highly Affected by Road Icing 6
Appendix B (Normative) Assignment of Risk Values to Assessment Indicators 8
References 9
Foreword
This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1.Structure and Drafting Rules of Standardization Documents".
Drafting.
Please note that some content in this document may involve patents. The issuing organization of this document assumes no responsibility for identifying patents.
This document was proposed by the China Meteorological Administration.
This document is under the jurisdiction of the National Meteorological Disaster Prevention and Mitigation Standardization Technical Committee (SAC/TC345).
This document was drafted by. Nanjing Meteorological Science and Technology Innovation Research Institute, Road Traffic Safety Research Center of the Ministry of Public Security, and Road Network Monitoring Center of the Ministry of Transport.
In conjunction with the Emergency Response Center, Yunnan Provincial Transportation Planning and Design Institute Co., Ltd., Jiangsu Provincial Meteorological Service Center, and Beijing CCCC Huaan Technology Co., Ltd.
Limited Liability Company, Anhui Provincial Public Meteorological Service Center, and China Power Construction Group Chongqing Engineering Co., Ltd.
The main drafters of this document are. Zu Fan, Zhu Chengying, Liu Duanyang, Zhang Di, Li Yingwei, Yang Feng, Sun Guanglin, Yan Mingyue, Yang Wenchen, Qi Chen, and Wu Hong.
Wang Hongbin, Zhang Zhendong, Han Hui, Jiang Chun, Zhou Jianping, Suo Chen, Zheng Min.
Road Icing High-Impact Section Investigation Standards
1 Scope
This document specifies the procedures for identifying high-impact road sections due to road icing, including the required data collection, direct assessment, comprehensive assessment, and result summarization.
The question describes the corresponding verification method.
This document applies to the investigation of high-impact road sections caused by road icing on highways; ordinary roads can refer to it for 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 46251-2025 Standard for Investigating Road Sections Highly Affected by Dense Fog
GA/T 543.10-2016 Public Security Data Elements (10)
JTGB 01 Technical Standards for Highway Engineering
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1
Road icing
The road surface is in a state of ice, frost, snow, or a mixture of ice and snow.
3.2
Number of freezing days
Using 20.00 Beijing time as the day boundary, a day with an average daily temperature of 1°C or less, a minimum daily temperature of 0°C or less, and precipitation is considered a valid day.
Number of days.
3.3
Number of frost days
The number of days with frost observed is determined by taking 20.00 Beijing time as the dividing line.
3.4
Traffic volume
The number of vehicles or pedestrians passing through a certain section of a road per unit of time.
[Source. GB/T 31418-2015, 2.2.3]
4.Investigation Process
The investigation of road sections highly affected by road icing should begin with data collection, followed by direct or comprehensive assessment, and finally, a summary of the investigation results.
The determination should be based on the results of road icing risk assessment and disaster prevention and mitigation capacity assessment to identify high-impact road sections due to road icing. Figure 1 specifies...
Procedure for identifying road sections with high impact from road icing.
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