ASTM_D_4383_-_12.pdf

Designation:D438312Standard Specification forPlowable,Raised Retroreflective Pavement Markers1This standard is issued under the fixed designation D4383;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 Thisspecificationcoversatypeofplowable,retroreflective,raised pavement marker for lane marking anddelineation.1.2 Retroreflective markers are intended for nighttime vis-ibility.1.3 The values stated in inch-pound units are to be regardedas the standard except where noted in the document.The valuesgiven in parentheses are mathematical conversions to SI unitsthat are provided for information only and are not consideredstandard.1.4 The following precautionary caveat pertains only to thetest methods portion,Section 10,of this specification:Thisstandard does not purport to address all of the safety concerns,if any,associated with its use.It is the responsibility of the userof this standard to establish appropriate safety and healthpractices and determine the applicability of regulatory limita-tions prior to use.2.Referenced Documents2.1 ASTM Standards:2A536 Specification for Ductile Iron CastingsC184 Test Method for Fineness of Hydraulic Cement by the150-m(No.100)and 75-m(No.200)Sieves(With-drawn 2002)3C430 Test Method for Fineness of Hydraulic Cement by the45-m(No.325)SieveD5 Test Method for Penetration of Bituminous MaterialsD36 Test Method for Softening Point of Bitumen(Ring-and-Ball Apparatus)D70 Test Method for Density of Semi-Solid BituminousMaterials(Pycnometer Method)D71 Test Method for Relative Density of Solid Pitch andAsphalt(Displacement Method)D92 Test Method for Flash and Fire Points by ClevelandOpen Cup TesterD113 Test Method for Ductility of Bituminous MaterialsD1754 Test Method for Effects of Heat and Air on AsphalticMaterials(Thin-Film Oven Test)D1785 Specification for Poly(Vinyl Chloride)(PVC)PlasticPipe,Schedules 40,80,and 120D1856 Test Method for Recovery of Asphalt From Solutionby Abson MethodD2171 Test Method for Viscosity of Asphalts by VacuumCapillary ViscometerD2172 Test Methods for Quantitative Extraction of BitumenFrom Bituminous Paving MixturesD2669 Test Method for Apparent Viscosity of PetroleumWaxes Compounded with Additives(Hot Melts)D4280 Specification for Extended Life Type,Nonplowable,Raised Retroreflective Pavement MarkersD3111 Test Method for Flexibility Determination of Hot-Melt Adhesives by Mandrel Bend Test MethodD4402 Test Method for Viscosity Determination of Asphaltat Elevated Temperatures Using a Rotational ViscometerD5329 Test Methods for Sealants and Fillers,Hot-Applied,for Joints and Cracks in Asphaltic and Portland CementConcrete PavementsE18 Test Methods for Rockwell Hardness of Metallic Ma-terialsE284 Terminology of AppearanceE308 Practice for Computing the Colors of Objects by Usingthe CIE SystemE691 Practice for Conducting an Interlaboratory Study toDetermine the Precision of a Test MethodE808 Practice for Describing RetroreflectionE809 Practice for Measuring Photometric Characteristics ofRetroreflectors1This specification is under the jurisdiction of ASTM Committee D04 on Roadand Paving Materials and is the direct responsibility of Subcommittee D04.38 onHighway Traffic Control Materials.Current edition approved June 1,2012.Published June 2012.Originallyapproved in 1984.Last previous edition approved in 2005 as D4383 05e1.DOI:10.1520/D4383-05E01.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.3The last approved version of this historical standard is referenced onwww.astm.org.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 E811 Practice for Measuring Colorimetric Characteristics ofRetroreflectors Under Nighttime Conditions2.2 Federal Specifications:4TT-T-291 Thinner,Paint,Mineral Spirits,Regular and Odor-less2.3 AASHTO Standards:5AASHTO M237 Epoxy Resin Adhesive for Bonding TrafficMarkers to Hardened Concrete3.Terminology3.1 Definitions:3.1.1 cleanabilitythe ability of a raised retroreflectivemarker to keep its optical surfaces clean under traffic andenvironmental conditions.3.1.2 coeffcient of luminous intensity,RIthe ratio of theluminous intensity(I)of the retroreflector in the direction ofobservation to the illuminance(E)at the retroreflector on aplane perpendicular to the direction of the incident light,expressed in candelas per lux(cd/lx)(see Practice E808 andTerminology E284).3.1.2.1 DiscussionThe values presented for the coefficientof luminous intensity are presented in SI units,which are theaccepted worldwide norm for expressing this value,rather thanin inch-pound