1、Designation:D669012Standard Specification forJoint and Crack Sealants,Hot Applied,for Concrete andAsphalt Pavements1This standard is issued under the fixed designation D6690;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of
2、 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 This specification covers joint and crack sealants of thehot applied type intended for use in sealing joints and cracks in
3、Portland Cement Concrete and Asphaltic Concrete Pavements.1.2 This specification does not purport to cover the proper-ties required of sealants for use in areas of Portland Cementconcrete or asphaltic pavement subject to jet fuel or other fuelspillage such as vehicle and/or aircraft refuel and maint
4、enanceareas.1.3 The values stated in SI units are the standard.1.4 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-b
5、ility of regulatory requirements prior to use.2.Referenced Documents2.1 ASTM Standards:2D36 Test Method for Softening Point of Bitumen(Ring-and-Ball Apparatus)D5167 Practice for Melting of Hot-Applied Joint and CrackSealant and Filler for EvaluationD5249 Specification for Backer Material for Use wit
6、h Cold-and Hot-Applied Joint Sealants in Portland-Cement Con-crete and Asphalt JointsD5329 Test Methods for Sealants and Fillers,Hot-Applied,for Joints and Cracks in Asphaltic and Portland CementConcrete Pavements2.2 Federal Specification:3SS-S-1410C3.General Requirements3.1 The sealant shall be com
7、posed of a mixture of materialsthat will form a resilient and adhesive compound capable ofeffectively sealing joints and cracks in concrete and asphalticpavements against the infiltration of moisture and foreignmaterial throughout repeated cycles of expansion and contrac-tion with temperature change
8、s,and that will not,at ambienttemperatures,flow from the joint or be picked up by vehicletires.The material shall be capable of being brought to auniform pouring consistency suitable for completely filling thejoints without inclusion of large air holes or discontinuities andwithout damage to the mat
9、erial.It shall remain relativelyunchanged in application characteristics for at least 6 h at therecommended application temperature in the field.4.Classification4.1 Type IAjoint and crack sealant capable of maintainingan effective seal in moderate climates.The material is tested forlow temperature p
10、erformance at 18C using 50%extension.4.2 Type IIA joint and crack sealant capable of maintain-ing an effective seal in most climates.Material is tested for lowtemperature performance at 29C using 50%extension.4.3 Type IIIA joint and crack sealant capable of maintain-ing an effective seal in most cli
11、mates.Material is tested for lowtemperature performance at 29C using 50%extension.Special tests are included(formerly Federal Spec SS-S-1401C).4.4 Type IVA joint and crack sealant capable of maintain-ing an effective seal in climates experiencing very coldtemperatures.Material is tested for low temp
12、erature perfor-mance at 29C using 200%extension.NOTE1It is the responsibility of the user agency to determine whichtype is most applicable to their conditions.5.Physical Requirements5.1 Maximum Heating TemperatureThe maximum heat-ing temperature is the highest temperature to which a sealantcan be he
13、ated,and still conform to all the requirementsspecified herein.For purposes of testing as specifiedhereinafter,the application temperature shall be the same as the1This specification is under the jurisdiction of ASTM Committee D04 on Roadand Paving Materials and is the direct responsibility of Subco
14、mmittee D04.33 onFormed In-Place Sealants for Joints and Cracks in Pavements.Current edition approved July 15,2012.Published January 2008.Originallyapproved in 2001.Last previous edition approved in 2007 as D6690 07.DOI:10.1520/D6690-12.2For referenced ASTM standards,visit the ASTM website,www.astm.
15、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.3Available from U.S.Government Printing Office Superintendent of Documents,732 N.Capitol St.,NW,Mail Stop:SDE,Washington,DC 20401
16、,http:/www.access.gpo.gov.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 maximum heating temperature.The maximum heating tem-perature shall be set forth by the manufacturer,shall be shownon all containers and shall be provided to the testing agencybefore any laboratory tests are begun.5.2 The sealant shall conform to the requirements pre-scribed in Table 1.6.Sampling and Heating6.1 Sampling:6.1.1 Samples may be taken at the plant or
