1、Designation:D 3569 95(Reapproved 2000)Standard Specification forJoint Sealant,Hot-Applied,Elastomeric,Jet-Fuel-Resistant-Type for Portland Cement Concrete Pavements1This standard is issued under the fixed designation D 3569;the number immediately following the designation indicates the year oforigin
2、al adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon(e)indicates an editorial change since the last revision or reapproval.1.Scope1.1 This specification covers an elastomeric-type one com-ponent,hot-applie
3、d,jet-fuel-resistant concrete joint sealant,resistant to weathering,for use in sealing joints and cracks inPortland cement concrete highway and airfield pavements incritical areas subject to jet fuel spillage.1.2 This standard does not purport to address all of thesafety concerns,if any,associated w
4、ith its use.It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.Specific hazardstatements are given in Appendix X1.2.Referenced Documents2.1 ASTM Standards:D 5167 Practice f
5、or Melting of Hot-Applied Joint andCrack Sealant and Filler for Evaluation2D 5249 Specification for Backer Material for Use withCold-and Hot-Applied Joint Sealants in Portland-CementConcrete and Asphalt Joints2D 5329 Test Methods for Sealants and Fillers,Hot-Applied,for Joints and Cracks in Asphalti
6、c and Portland CementConcrete Pavements23.General Requirements3.1 The joint sealant,when in place,shall form a resilientand cohesive compound that is resistant to weathering,andshall effectively seal joints in concrete throughout repeatedcycles of thermal expansion and contraction,and against theinf
7、iltration of moisture,jet-fuel and incompressibles.It shallnot flow from the joint or be picked up by vehicle tires.Thejoint sealant,before placement,shall be stable at the safeheating temperature for up to 6 h.The poured joints shall befree of internal voids due to placement or that developsubseque
8、ntly in service.4.Physical Requirements4.1 Safe Heating TemperatureThe highest temperature towhich the sealing compound can be heated and still conform toall the requirements specified herein.For the purposes oftesting as specified hereafter,the pouring temperature forspecimen preparation shall be t
9、he safe heating temperature,asrecommended by the sealant manufacturer.The safe heatingtemperature shall be shown on all containers and shall beprovided to the testing agency before any laboratory tests arebegun.The safe heating temperature shall be a minimum of20F(11C)higher than the manufacturers r
10、ecommendedapplication temperature.(See Appendix X1).4.2 Cone Penetration,NonimmersedAt 77 6 0.2F(25 60.1C),150 g,for 5 s,shall not exceed 130 units.4.3 Cone Penetration,Fuel-ImmersedThe penetrationshall not exceed that of the nonimmersed penetration.4.4 FlowThere shall be no flow after 72 h at 158 6
11、 2F(70 6 1C).4.5 BondThe sealant shall be tested at 0 6 2F(17.861.1C)for three complete cycles of 50%extension each.Allthree specimens shall meet the following requirements forbond:4.5.1 Nonimmersed No specimen shall develop anycrack,separation,or other opening in the sealing compound orbetween the
12、sealing compound and the concrete blocks.4.5.2 Water-Immersed No specimen shall develop anycrack,separation,or other opening in the sealing compound orbetween the sealing compound and the concrete blocks.4.5.3 Fuel-Immersed No specimen shall develop anycrack,separation,or other opening in the sealin
13、g compound orshall develop any separation between the sealant and theconcrete block deeper than 0.25 in.(6.4 mm)when measuredperpendicular to the sealant surface and down the interface ofthe block in the area showing the effect.4.6 ResilienceWhen tested at 77 6 0.2F(25 6 0.1C),the recovery shall be
14、a minimum of 60%.4.7 Resilience,Oven-agedWhen conditioned in a forced-draft oven maintained at 158 6 2F(70 6 1C)for 24 6 2 h,and tested at 77 6 0.2F(25 6 0.1C),the recovery shall be aminimum of 60%.4.8 Artificial WeatheringAfter 160 h of exposure,thejoint sealant shall not flow,show tackiness,the pr
15、esence of anoil-like film or reversion to a mastic-like substance,formsurface blisters,either intact or broken,form internal voids,have surface crazing,cracking,hardening,or loss of rubber-like properties.Evidence of physical change in the surface of1This specification is under the jurisdiction of A
16、STM Committee D04 on Roadand Paving Materials and is the direct responsibility of Subcommittee D04.33 onFormed-In-Place Sealants for Joints and Cracks in Pavements.Current edition approved Oct.10,1995.Published December 1995.Originallypublished as D 3569 85.Last previous edition D 3569 85(1991)e1.2Annual Book of ASTM Standards,Vol 04.03.1Copyright ASTM,100 Barr Harbor Drive,West Conshohocken,PA 19428-2959,United States.the material by visual and tactile examination shall constitutefailure of thi