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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.
This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.
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 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 and health practices and determine the applicability of regulatory limitations prior to use.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
A536 Specification for Ductile Iron Castings
C184 Test Method for Fineness of Hydraulic Cement by the 150-m (No. 100) and 75-m (No. 200) Sieves
C430 Test Method for Fineness of Hydraulic Cement by the 45-m (No. 325) Sieve
D5 Test Method for Penetration of Bituminous Materials
D36 Test Method for Softening Point of Bitumen (Ring-and-Ball Apparatus)
D70 Test Method for Density of Semi-Solid Bituminous Materials (Pycnometer Method)
D71 Test Method for Relative Density of Solid Pitch and Asphalt (Displacement Method)
D92 Test Method for Flash and Fire Points by Cleveland Open Cup Tester
D113 Test Method for Ductility of Bituminous Materials
D1754 Test Method for Effects of Heat and Air on Asphaltic Materials (Thin-Film Oven Test)
D1785 Specification for Poly(Vinyl Chloride) (PVC) Plastic Pipe, Schedules 40, 80, and 120
D1856 Test Method for Recovery of Asphalt From Solution by Abson Method
D2171 Test Method for Viscosity of Asphalts by Vacuum Capillary Viscometer
D2172 Test Methods for Quantitative Extraction of Bitumen From Bituminous Paving Mixtures
D2669 Test Method for Apparent Viscosity of Petroleum Waxes Compounded with Additives (Hot Melts)
D3111 Test Method for Flexibility Determination of Hot-Melt Adhesives by Mandrel Bend Test Method
D4280 Specification for Extended Life Type, Nonplowable, Raised Retroreflective Pavement Markers
D4402 Test Method for Viscosity Determination of Asphalt at Elevated Temperatures Using a Rotational Viscometer
D5329 Test Methods for Sealants and Fillers, Hot-Applied, for Joints and Cracks in Asphaltic and Portland Cement Concrete Pavements
E18 Test Methods for Rockwell Hardness of Metallic Materials
E284 Terminology of Appearance
E308 Practice for Computing the Colors of Objects by Using the CIE System
E691 Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
E808 Practice for Describing Retroreflection
E809 Practice for Measuring Photometric Characteristics of Retroreflectors
E811 Practice for Measuring Colorimetric Characteristics of Retroreflectors Under Nighttime Conditions
Federal SpecificationsTT-T-291 Thinner, Paint, Mineral Spirits, Regular and Odorless
AASHTO StandardsAASHTOM237 Epoxy Resin Adhesive for Bonding Traffic Markers to Hardened Concrete
ICS Number Code 93.080.20 (Road construction materials)
UNSPSC Code 30121700(Road and railroad construction materials)