1、Designation: D7116 16Standard Specification forJoint Sealants, Hot Applied, Jet Fuel Resistant Types, forPortland Cement Concrete Pavements1This standard is issued under the fixed designation D7116; the number immediately following the designation indicates the year oforiginal adoption or, in the ca
2、se 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 This specification covers joint and crack sealants of thehot applied type intended for use
3、 in sealing joints and cracks inportland cement concrete in areas that are subject to fuelspillage.1.2 The values stated in SI units are to be regarded as thestandard.1.3 This standard does not purport to address all of thesafety concerns, if any, associated with its use. It is theresponsibility of
4、the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory requirements prior to use.2. Referenced Documents2.1 ASTM Standards:2D36 Test Method for Softening Point of Bitumen (Ring-and-Ball Apparatus)D3569 Specification for Joint Se
5、alant, Hot-Applied,Elastomeric, Jet-Fuel-Resistant-Type for Portland CementConcrete Pavements (Withdrawn 2006)3D5167 Practice for Melting of Hot-Applied Joint and CrackSealant and Filler for EvaluationD5249 Specification for Backer Material for Use with Cold-and Hot-Applied Joint Sealants in Portlan
6、d-Cement Con-crete and Asphalt JointsD5329 Test Methods for Sealants and Fillers, Hot-Applied,for Joints and Cracks in Asphalt Pavements and PortlandCement Concrete Pavements2.2 Federal Specification4SS-S-1614A3. General Requirements3.1 The sealant, when in place, shall form a resilient andcohesive
7、compound that shall effectively seal joints in concretethroughout repeated cycles of expansion and contraction, andagainst the infiltration of moisture, fuel, and incompressibles. Itshall not, at ambient temperatures, flow from the joint or bepicked up by vehicle tires. The material shall be capable
8、 ofbeing brought to a uniform pouring consistency suitable forcompletely filling the joints without inclusion of large air holesor discontinuities and without damage to the material. It shallremain relatively unchanged in application characteristics forat least6hattherecommended application temperat
9、ure in thefield.4. Classification4.1 Type IA joint sealant which is resilient and capable ofmaintaining an effective seal in hot to moderate climates.Material is tested for low temperature performance at -18Cusing 50 % extension (see Specification D3569).4.2 Type IIA joint sealant capable of maintai
10、ning aneffective seal in hot to moderate climates. Material is tested forlow temperature performance at -18C using 50 % extension.Special tests are included (see Federal Spec SS-S-1614A).4.3 Type IIIA joint sealant capable of maintaining aneffective seal in most climates experiencing moderate to col
11、dtemperatures. Material is tested for low temperature perfor-mance at -29C using 50 % extension.NOTE 1It 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 t
12、he highest temperature to which a sealantcan be heated, and still conform to all the requirementsspecified herein. For purposes of testing as specifiedhereinafter, the application temperature shall be the same as themaximum heating temperature. The maximum heating tem-perature shall be set forth by
13、the manufacturer, shall be shownon all containers and shall be provided to the testing agencybefore any laboratory tests are begun. The maximum heating1This specification is under the jurisdiction of ASTM Committee D04 on Roadand Paving Materials and is the direct responsibility of Subcommittee D04.
14、33 onFormed In-Place Sealants for Joints and Cracks in Pavements.Current edition approved May 1, 2016. Published May 2016. Originallyapproved in 2005. Last previous edition approved in 2005 as D7116 05, which waswithdrawn December 2012 and reinstated May 2016. DOI: 10.1520/D7116-16.2For referenced A
15、STM 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.ast
16、m.org.4Available from U.S. Government Printing Office Superintendent of Documents,732 N. Capitol St., NW, Mail Stop: SDE, Washington, DC 20401.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States1temperature shall be a minimum of 11C highe
17、r than themanufacturers recommended application temperature.5.2 The preparation requirements for each sealant are listedin Table 1.5.3 Sealant shall conform to the requirements prescribed inTable 2.6. Sampling and Heating6.1 Sampling:6.1.1 Samples may be taken at the plant or warehouse priorto deliv
18、ery or at the time of delivery, at the option of thepurchaser. If sampling is done prior to shipment, the inspectorrepresenting the purchaser shall have free access to the materialto be sampled. The inspector shall be afforded all reasonablefacilities for inspection and sampling which shall be condu
19、ctedso as not to interfere unnecessarily with the operation of theworks.6.1.2 Samples shall consist of one of the manufacturersoriginal sealed containers selected at random from the lot orbatch of finished material.Abatch or lot shall be considered asall finished material that was manufactured simul
20、taneously orcontinuously as a unit between the time of compounding andthe time of packaging or placing in shipping containers.6.1.3 Obtain the sealant portion for testing from the selectedmanufacturers original sealed container in accordance withPractice D5167. The sample portion added to and heated
21、 in themelter shall weigh as specified in Table 1. Both pots of themelter described in Practice D5167 shall be used for samplesexceeding 1250 g and each pot shall contain at least 625 g butnot more than 850 g.6.2 HeatingHeat the material in accordance with PracticeD5167.6.2.1 The oil bath in the mel
22、ter shall be heated to atemperature between the sealants maximum heating tempera-ture and 20C above the sealants maximum heating tempera-ture. (Never allow the oil temperature to exceed 288C). Addthe sealant to the melter according to the instructions inPractice D5167.After the sample has been added
23、 to the melter,regulate the oil temperature within the listed temperature limitswhile raising the sealants temperature to manufacturersrecommended maximum heating temperature within the re-quired 1 hour of time, as stated in Practice D5167. The heatingtime for each type of sealant as well as the sta
24、rt of the heatingtime shall be as specified in Table 1.7. Test Methods7.1 Specimen ConditioningCondition all specimens atstandard laboratory conditions as specified in Test MethodD5329 prior to beginning any testing. The time of conditioningshall be as specified in Table 1.7.2 Cone PenetrationDeterm
25、ine cone penetration accord-ing to Test Methods D5329 for Cone Penetration, non-immersed.7.3 Cone Penetration, Fuel ImmersedUse Test MethodsD5329.7.4 Aged Cone Penetration RetentionUse Test MethodsD5329 except as stated below.7.4.1 After conditioning, the specimen shall be placed in aforced draft ov
26、en maintained at 70 6 1 C for 72 6 1huncovered.7.4.2 The specimen shall then be removed from the ovenand conditioned at standard laboratory conditions for 1 hourfollowed by conditioning in a 25 6 0.1 C bath for 1 to 112 h.7.4.3 Test for cone penetration and determine result. This isthe aged cone pen
27、etration7.4.4 Determine the aged cone penetration retention usingthe following formula:Aged Cone Penetration Retention% 5Aged Cone PenetrationCone Penetration3100(1)7.5 Determine the Softening Point According to Test Meth-ods D36.7.6 Bond, Non-ImmersedDetermine the bond according toTest Methods D 53
28、29D5329 for bond, non-immersed.7.6.1 After final scrubbing and blotting specified in TestMethods D5329, air dry the blocks on their 25.4 mm 50.8mm ends at standard laboratory conditions for 1 h 6 10 min.prior to pouring bond specimens.7.6.2 Immediately after drying the blocks as in 7.6.1,assemble th
29、e blocks with spacers as specified in Test MethodsD5329 so the opening between the blocks will form a curedsealant block that is 12.7 6 0.1 mm wide7.6.3 After pouring material into the block opening, condi-tion the specimen as in 7.1.After conditioning, remove spacersand trim off excess material wit
30、h a hot knife being careful notto pull sealant from the block. Condition the test specimens notless than4hatthetemperature specified in Table 2 for thespecific type of sealant. Immediately extend the specimen tothe prescribed percentage in Table 2 using the apparatus andrate described in Test Method
31、s D5329.7.6.4 Recompress and re-extend according to Test MethodsD5329 for the total number of cycles prescribed in Table 2. Therequired cycles shall be completed within a 5 day period fromthe time of pouring.TABLE 1 Preparation RequirementsType I Type II Type IIISample Size 2550 50 g 1600 50 g 1600
32、50 gStart and Duration ofheating time6 h from the start ofaddition of material3 h from the start ofaddition of material3 h from the start ofaddition of material.Conditioning Timebefore testing722h 244h 722hD7116 1627.7 Bond, Water ImmersedDetermine the water-immersedbond according to Test Methods D5
33、329. Prepare the specimensas in section 7.6 except after conditioning, immerse in waterfor 96 hours as described in Test Methods D5329. Testing shallbe completed in 5 days from removal from the water.7.8 Bond, Fuel ImmersedDetermine according to TestMethods D5329. Prepare specimens as in section 7.6
34、.7.9 ResilienceUse Test Methods D5329 for resilience.7.10 Oven Aged ResilienceAge specimen at 70C for 168h. Use Test Methods D5329.7.11 Tensile AdhesionUse Test Method D5329.7.11.1 Test specimens are to be assembled with concreteblocks and spacers to enclose an opening between the blocks inwhich the
35、 sealant will be poured which is 12.7 6 0.13 mm inwidth7.12 Artificial WeatheringTest artificial weathering Ac-cording to Test Methods D5329.7.13 FlexibilityUse Test Methods D5329.8. Packaging and Package Marking8.1 The sealing compound shall be delivered in the manu-facturers original containers. E
36、ach container shall be legiblymarked with the name of the manufacturer, the trade name ofthe sealant, the manufacturers batch, or lot number andspecification number and type, the minimum applicationtemperature, and the maximum heating temperature. Themaximum heating temperature must be at least 11C
37、higherthan the minimum application temperature.9. Keywords9.1 hot applied; jet fuel resistant; joint sealantTABLE 2 Physical RequirementsType I Type II Type IIICone Penetration 130 maximum 130 maximum 160 maximumCone Penetration,Fuel ImmersedNot More than theCone Penetration155 maximum andnot more t
38、han 25from the ConePenetrationNot More than theCone PenetrationAged Cone PenetrationRetention- - 70.0 % minimum ofthe value of the ConePenetrationSoftening Point 93C minimum 93C minimum 93C minimumBond, Non-immersed 12.7 mm wide specimen, pass3 cycles -181C,50 % extensionA12.7 mm wide specimen, pass
39、3 cycles -181C,50 % extensionB12.7 mm wide specimen, pass3 cycles -291C,50 % extensionBBond, Water immersed 12.7 mm wide specimen, pass3 cycles -18 1C,50 % extensionA12.7 mm wide specimen, pass3 cycles -18 1C,50 % extensionB12.7 mm wide specimen, pass3 cycles -291C,50 % extension CBBond, Fuel immers
40、ed 12.7 mm wide specimen, pass3 cycles -18 1C,50 % extensionC12.7 mm wide specimen, pass3 cycles -18 1C,50 % extensionC12.7 mm wide specimen, pass3 cycles -291C,50 % extensionCResilience 60 % minimum - 45 % minimumOven Aged Resilience 60 % minimum - -Tensile Adhesion 500 % minimum - -Artificial Weat
41、hering Pass 160 hDPass 160 hDFlexibility PassEANo specimen shall develop any crack, separation, or other opening in the sealant compound or between the sealant and the concrete blocks.BAt least two out of three specimens shall exhibit no crack, separation, or other opening in the sealant, or between
42、 the sealant and the concrete blocks. The third specimenshall exhibit no crack, separation, or other opening in the sealant or between the sealant and the concrete block exceeding 6 mm in depth, and shall exhibit no total areaof bare concrete exposed on the face of either concrete block exceeding 16
43、0 mm.CNo specimen shall develop any crack, separation, or other opening in the sealant compound or shall develop any separation between the sealant and the concrete deeperthan 6 mm when measured perpendicular to the sealant surface and down the interface of the block in the area showing the effect.D
44、After exposure, the sealant show not flow, show tackiness, the presence of an oil-like film or reversion to a mastic-like substance, form surface blisters, either intact orbroken, form internal voids, have surface crazing, cracking or hardening, or loss of rubber like properties. Evidence of physica
45、l change in the surface of the material byvisual and tactile examination shall constitute failure of the test.EWhen conditioned in a forced draft oven maintained at 701Cfor722handbent at 90 degrees over a 6.4 mm (0.25 in.) diameter mandrel, the specimen shall haveno indication of surface crazing or
46、cracking.D7116 163APPENDIX(Nonmandatory Information)X1. PRECAUTIONS FOR USE AND APPLICATIONX1.1 Some if not all, materials conforming to this specifi-cation may be damaged by heating to too high a temperature,reheating, or by heating for too long a time. Care should beexercised to secure equipment f
47、or heating and application thatis suitable for the purpose and approved by the manufacturer ofthe material. The material should be heated in a kettle or melterconstructed as a double boiler, with the space between the innerand outer shells filled with oil or other heat transfer medium.Thermostatic c
48、ontrol for the heat transfer medium shall beprovided and shall have sufficient sensitivity to maintainsealant temperature within the manufacturers specified appli-cation temperature range. Temperature indicating devices shallhave intervals no greater than 2.8C (5F) and shall becalibrated as required
49、 to assure accuracy. The melter shall havea continuous sealant agitation and mixing system to provideuniform viscosity and temperature of material being applied. Ifequipped with an application system to deliver sealant to thepavement, the melter shall incorporate a recirculation pump orother means of maintaining sealant temperature in the deliverysystem. Sealant that has been damaged due to overheating,reheating or prolonged heating may experience poor adhesion,softening or bleeding, dif
