道路设备和装置标准-分析测试百科网

23/30471179 DC BS 8442 AMD 1. 各种道路交通标志和装置要求及测试方法

BS 8442 AMD 1. Miscellaneous road traffic signs and devices. Requirements and test methods

ICS: 93.080.30
CCS
发布: 2023-05-04
实施: 2023-05-04

GSO EN 12899-3:2023 固定、垂直道路交通标志第3部分：轮廓柱和后向反射器

This Part 3 of EN 12899 specifies requirements for new delineator posts and for new retroreflectors as separate products or combined together to be used in traffic circulation areas. It covers performance requirements and test methods. Colorimetric and retroreflective properties are specified taking into account CIE recommendations. Structural requirements include performance under static and dynamic loading. Provision is made for safety in use, including vehicle impact. To define durability this standard also includes performance levels to be maintained after natural weathering exposure. No requirements are given for the use of colours, dimensions and tolerances of delineator posts and retroreflectors.

Fixed, vertical road traffic signs - Part 3: Delineator posts and retroreflectors

ICS: 93.080.30
CCS
发布: 2023-05-03
实施

GSO EN 12899-5:2023 固定、垂直道路交通标志第5部分：初始型式测试

This Part 5 of EN 12899 describes the requirements for initial type testing (ITT), of Parts 1, 2 and 3 of EN 12899.

Fixed, vertical road traffic signs - Part 5: Initial type testing

ICS: 93.080.30
CCS
发布: 2023-05-03
实施

GSO EN 12899-2:2023 固定、垂直道路交通标志第2部分：透照交通护柱 (TTB)

This Part 2 of EN 12899 specifies requirements for new transilluminated traffic bollards (TTBs) including their fixing, which may incorporate traffic signs (type 1 TTB) or may support traffic signs (type 2 TTB) to be used in traffic circulation areas. It covers performance requirements and test methods. Colorimetric and retroreflective properties as well as luminance of transilluminated illuminated portions are specified taking into account CIE recommendations. Structural requirements for TTBs include performance under static and dynamic loading. Provision is made for safety in use, including vehicle impact. Devices of similar function, but without transillumination or less than 600 mm in height, are not covered. NOTE Foundations are not specified in this standard but should be adequate to support the loads to be carried. Unless otherwise stated, clauses in this standard apply to both type 1 and type 2 TTBs.

Fixed, vertical road traffic signs - Part 2: Transilluminated traffic bollards (TTB)

ICS: 93.080.30
CCS
发布: 2023-05-03
实施

ASTM D7942-15(2023) 非雪犁地区的热塑性路面标记标准规范

1.1 This specification covers a reflectorized thermoplasticbased pavement striping material of the class that is applied to the road surface in a molten state by screed/extrusion or ribbon extrusion means. Retroreflectivity of the pavement marking compound is achieved initially by surface application of retroreflective optics at the time of pavement marking application. Upon cooling to normal pavement temperature, the pavement marking material produces an adherent reflectorized stripe of specified thickness and width capable of resisting deformation by traffic. The pavement marking compound includes retroreflective optics (glass beads or composite optics, or both) that are incorporated into the material at the time of manufacture that provide retroreflective properties during the service life of the material. 1.1.1 This specification is limited to: 1.1.1.1 Longitudinal applications in non snow plow areas, 1.1.1.2 Standard (non-profile) pavement marking applications, and 1.1.1.3 Applications on smooth asphalt or concrete surfaces. Asphalt seal coat applications, which use large aggregate resulting in a very rough, open grade finish, are excluded from this specification. 1.1.2 This specification includes: 1.1.2.1 Compositional and physical property requirements of the thermoplastic pavement marking material, 1.1.2.2 Requirements for the optics that are used to reflectorize the thermoplastic pavement marking material after application, 1.1.2.3 Field performance requirements for the installed thermoplastic pavement markings, and 1.1.2.4 Material application requirements. 1.2 The values stated in inch-pounds units are to be regarded as the standard except where noted in the document. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard. 1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Standard Specification for Thermoplastic Pavement Markings in Non Snow Plow Areas