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ASTM D4383-21
Standard Specification for Plowable, Raised Retroreflective Pavement Markers
Translate name
STANDARD published on 15.12.2021
The information about the standard:
Designation standards: ASTM D4383-21
Publication date standards: 15.12.2021
SKU: NS-1046304
The number of pages: 15
Approximate weight : 45 g (0.10 lbs)
Country: American technical standard
Category: Technical standards ASTM
The category - similar standards:
Annotation of standard text ASTM D4383-21 :
This specification covers a type of plowable, retroreflective, raised pavement marker for lane marking and delineation. Retroreflective markers are intended for nighttime visibility. Markers shall be classified as to type, color, and intended application. The types of markers are: type A, type B, and type E. The colors of markers are: white, yellow, red, blue, and green. The intended applications of markers are: marker to be mounted in a holder, and marker to be mounted in a recess. The construction requirements for retroreflective markers are presented in details. The coefficient of luminous intensity, abrasion resistance, compressive strength, and impact strength shall be tested to meet the requirements specified. The holder ramp hardness shall be tested to meet the requirements prescribed.
Keywords:
delineation, plowable markers, raised pavement markers, retroreflective markers,, ICS Number Code 93.080.20 (Road construction materials)
Additional information
| 1. Scope | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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1.1?This specification covers several types of plowable, retroreflective pavement markers for lane marking and delineation. 1.2?Retroreflective markers are intended for nighttime visibility under both wet and dry conditions. 1.3?The values stated in inch-pound 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. 1.4?The text of this standard references notes and footnotes which provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of the standard. 1.5?The following precautionary caveat pertains only to the test methods portion, Section 10, of this specification: 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. 1.6?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. |
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| 2. Referenced Documents | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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