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GB/T 24725-2024: Raised pavement markers
Status: Valid GB/T 24725: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 24725-2024 | English | 639 |
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Raised pavement markers
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GB/T 24725-2024
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| GB/T 24725-2009 | English | 959 |
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Raised pavement markers
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GB/T 24725-2009
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PDF similar to GB/T 24725-2024
Basic data | Standard ID | GB/T 24725-2024 (GB/T24725-2024) | | Description (Translated English) | Raised pavement markers | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | R80 | | Word Count Estimation | 32,315 | | Date of Issue | 2024-08-23 | | Date of Implementation | 2024-08-23 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 24725-2024: Raised pavement markers---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.
Raised pavement markers
Raised road signs
ICS 03.220.20
CCS R 80
National Standard of the People's Republic of China
Replaces GB/T 24725-2009, GB/T 19813-2005
Released on 2024-08-23
2024-12-01 implementation
State Administration for Market Regulation
The National Standardization Administration issued
Table of Contents
Preface ... Ⅲ
1 Scope ... 1
2 Normative references ... 1
3 Terms and Definitions ... 1
4 Classification and composition ... 2
4.1 Classification ... 2
4.2 Composition ... 3
5 Technical requirements ... 3
5.1 Retroreflective raised road signs 3
5.2 Active Luminous Raised Road Signs ... 7
5.3 Combined raised road signs ... 10
6 Test methods ... 11
6.1 Test conditions 11
6.2 Appearance ... 11
6.3 Dimensions ... 11
6.4 Optical Performance 11
6.5 Chromaticity Performance ... 12
6.6 Mechanical properties ... 12
6.7 Wear resistance ... 14
6.8 Solvent resistance ... 14
6.9 Sealing performance ... 14
6.10 Post-fragmentation state ... 14
6.11 Power adaptability ... 14
6.12 Environmental Adaptability ... 15
6.13 Adhesion performance of metal reflective film ... 15
6.14 Mechanical vibration resistance ... 16
6.15 Cyclic salt spray resistance ... 16
6.16 Weather resistance ... 16
7 Inspection Rules ... 16
7.1 Inspection categories ... 16
7.2 Batch 18
7.3 Sampling 18
7.4 Judgment ... 18
8 Marking, packaging, transportation and storage ... 18
8.1 Logo ... 18
8.2 Packaging ... 18
8.3 Transportation ... 18
8.4 Storage 18
Appendix A (Informative) Retroreflective raised road sign structure and principle ... 19
A.1 Optical Testing Principles of Retroreflective Raised Road Signs 19
A.2 Retroreflection principle ... 19
Appendix B (Normative) Retroreflective body impact resistance test method 21
B.1 Test apparatus 21
B.2 Test steps 21
Appendix C (Normative) Test method for wear resistance of raised road signs ... 22
C.1 General Principles 22
C.2 Test equipment 22
C.3 Test sand 22
C.4 Test Environment 22
C.5 Test steps 22
C.6 Calibration of test equipment 23
C.7 Modification of the test device 23
Foreword
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents"
Drafting is required.
This document replaces GB/T 24725-2009 "Raised road signs" and GB/T 19813-2005 "Solar raised road signs".
Based on GB/T 24725-2009, it integrates the contents of GB/T 19813-2005.Compared with GB/T 24725-2009,
In addition to structural adjustments and editorial changes, the main technical changes are as follows.
Removed retroreflector, directional lens, omnidirectional lens, tempered glass, permanent raised road sign, temporary raised road sign, brightness factor
Terms and definitions (see 3.2, 3.3, 3.4, 3.5, 3.6, 3.7 and 3.8 of the.2009 edition);
a)
Added the terms and definitions of retroreflection, retroreflector, angle of incidence, observation angle, luminous intensity coefficient and raised road markings (see 3.1,
3.3, 3.4, 3.5, 3.6, 3.7);
b)
The classification has been changed (see 4.1, 4.1 of GB/T 24725-2009); c)
The model mark has been deleted (see 4.3 of GB/T 24725-2009); d)
Added technical requirements for active luminous raised road signs (see 5.2); e)
Added technical requirements for combined raised road signs (see 5.3); f)
Added durability test method (see 6.11.3.2). g)
Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.
This document is under the jurisdiction of the National Technical Committee for Standardization of Traffic Engineering Facilities (Highway) (SAC/TC 223).
This document was drafted by. Highway Research Institute of the Ministry of Transport, China Highway High-Tech Traffic Inspection and Certification Co., Ltd., Beijing Zhongjiao Hua
An Technology Co., Ltd. and the Engineering Quality Supervision Detachment of the Yunnan Provincial Comprehensive Administrative Law Enforcement Bureau of Transportation.
The main drafters of this document are. Wang Lei, Zhang Zhiyong, Peng Lei, Han Yue, Bai Yuanyuan, Gong Boyan, Li Wei, Su Hejun, Zhu Chuanzheng,
Wang Wei, Liu Yanfei, Andy Lau, Que Biao.
The previous versions of this document and the documents it replaces are as follows.
First published in.2009 as GB/T 24725-2009;
This is the first revision, and the content of GB/T 19813-2005 "Solar Protruding Road Signs" was incorporated into the revision.
Raised road signs
1 Scope
This document specifies the classification and composition, technical requirements, inspection rules, as well as marking, packaging, transportation and storage of raised road signs.
The test method for raised road markings is described.
This document applies to the production, use and inspection of raised road signs installed on roads, and can be used as a reference for raised road signs installed in other places.
2 Normative references
The contents of the following documents constitute the essential clauses of this document through normative references in this document.
For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies.
in this document.
GB/T 191 Pictorial markings for packaging, storage and transportation
GB/T 2423.1 Environmental testing for electric and electronic products Part 2.Test methods Test A. Low temperature
GB/T 2423.2 Environmental testing for electric and electronic products Part 2.Test methods Test B. High temperature
GB/T 2423.3 Environmental testing Part 2.Test methods Test Cab. Steady state damp heat test
GB/T 3978-2008 Standard lighting and geometric conditions
GB/T 3979 Measurement method of object color
GB/T 7922 Measurement method of lighting source color
GB/T 18833-2012 Road traffic reflective sheeting
GB/T 22040 Weather resistance requirements and test methods for plastic products of highway facilities
GB/T 26377 Retroreflectometer
JT/T 688-2022 Retroreflection Terminology
JT/T 690 Measurement method for photometric properties of retroreflectors
3 Terms and definitions
The terms and definitions defined in JT/T 688-2022 and the following apply to this document.
3.1
Retroreflection
Reflected light is a type of reflection that returns from a direction nearly opposite to the direction of the incident light.
Note. This property can still be maintained when the direction of the incident light changes within a large range.
[Source. JT/T 688-2022, 3.1, modified]
3.2
Retroreflective element
The smallest optical unit that produces retroreflection.
[Source. JT/T 688-2022, 3.2]
3.3
Retroreflector
A reflective surface or device with retro-reflective properties.
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