1、Designation: D2397 05 D2397 12Standard Specification forCationic Emulsified Asphalt1This standard is issued under the fixed designation D2397; 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 p
2、arentheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the Department of Defense.1. Scope1.1 This specification covers seven grades of cationic emulsified asp
3、halt for use in pavement construction in the mannerdesignated.2. Referenced Documents2.1 ASTM Standards:2D140 Practice for Sampling Bituminous MaterialsD244 Test Methods and Practices for Emulsified AsphaltsD3910 Practices for Design, Testing, and Construction of Slurry SealD6930 Test Method for Set
4、tlement and Storage Stability of Emulsified AsphaltsD6933 Test Method for Oversized Particles in Emulsified Asphalts (Sieve Test)D6935 Test Method for Determining Cement Mixing of Emulsified AsphaltD6936 Test Method for Determining Demulsibility of Emulsified AsphaltD6997 Test Method for Distillatio
5、n of Emulsified AsphaltD7402 Practice for Identifying Cationic Emulsified AsphaltsD7496 Test Method for Viscosity of Emulsified Asphalt by Saybolt Furol Viscometer3. Requirements3.1 The emulsified asphalt shall be tested within 14 days of delivery. The emulsified asphalt shall be homogeneous afterth
6、orough mixing provided separation has not been caused by freezing. Emulsions separated by freezing shall not be tested.3.2 Emulsified asphalt shall conform to the requirements prescribed in Table 1.4. Sampling4.1 Samples of emulsified asphalt shall be taken in accordance with Practice D140.4.2 Sampl
7、es shall be stored in clean, airtight sealed containers at a temperature of not less than 4C (39.2F) until tested.5. Test Methods5.1 The properties of the emulsified asphalts given in Table 1 shall be determined in accordance with the following ASTM testmethods:5.1.1 ViscosityTest MethodsMethod D244
8、D7496.5.1.2 Storage StabilityTest Method D6930.5.1.3 DemulsibilityTest Method D6936.5.1.4 Coating Ability and Water ResistanceTest Methods D244.5.1.5 Particle ChargeTest MethodsMethod D244D7402.5.1.6 Sieve TestTest Method D6933, except use distilled water in all wetting and washing operations in pla
9、ce of the nonionicsurfactant solution (1 %).5.1.7 Cement MixingTest Method D6935.5.1.8 DistillationTest Method D6997.5.1.9 Tests on Residue from DistillationTest Methods D244.6. Keywords6.1 cationic; emulsified asphalt; emulsion; medium setting; rapid setting; slow settingCopyright ASTM Internationa
10、l, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States1TABLE 1 Requirements for Cationic Emulsified AsphaltNOTE 1CQS1H emulsions shall meet the requirements outlined in Practices D3910.NOTE 2CQS-1h is used for Quick Set Slurry Seal systems.Type Rapid-Setting Medium-Se
11、tting Slow-Setting Quick SettingGrade CRS-1 CRS-2 CMS-2 CMS-2h CSS-1 CSS-1h CQS-1Hmin max min max min max min max min max min max min maxTest on emulsions:Viscosity, Saybolt Furol at 25C (77F) SFS 20 100 20 100 20 100Viscosity, Saybolt Furol at 50C (122F) SFS 20 100 100 400 50 450 50 450Storage stab
12、ility test, 24-h, %A 1 1 1 1 1 1Demulsibility, 35 mL, 0.8 % dioctyl sodiumsulfosuccinate, %40 . 40 .Coating ability and water resistance:Coating, dry aggregateCoating, after sprayingCoating, wet aggregategoodfairfairgoodfairfairCoating, after spraying fair fairParticle charge test positive positive
13、positive positive positive positive positiveSieve test, %A 0.10 0.10 0.10 0.10 0.10 0.10 0.10Cement mixing test, % 2.0 2.0 N/ADistillation:Oil distillate, by volume of emulsion, % 3 3 12 12Residue, % 60 65 65 65 57 57 57Tests on residue from distillation test:Penetration, 25C (77F), 100 g, 5 s 100 2
14、50 100 250 100 250 40 90 100 250 40 90 40 90Ductility, 25C (77F), 5 cm/min, cm 40 40 40 40 40 40 40Solubility in trichloroethylene, % 97.5 97.5 97.5 97.5 97.5 97.5 97.5AThis test requirement on representative samples is waived if successful application of the material has been achieved in the field.
15、D2397122ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentionedin this standard. Users of this standard are expressly advised that determination of the validity of any such patent rights, and the riskof infringement of such rig
16、hts, are entirely their own responsibility.This standard is subject to revision at any time by the responsible technical committee and must be reviewed every five years andif not revised, either reapproved or withdrawn. Your comments are invited either for revision of this standard or for additional
17、 standardsand should be addressed to ASTM International Headquarters. Your comments will receive careful consideration at a meeting of theresponsible technical committee, which you may attend. If you feel that your comments have not received a fair hearing you shouldmake your views known to the ASTM
18、 Committee on Standards, at the address shown below.This standard is copyrighted by ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959,United States. Individual reprints (single or multiple copies) of this standard may be obtained by contacting ASTM at the above
19、address or at 610-832-9585 (phone), 610-832-9555 (fax), or serviceastm.org (e-mail); or through the ASTM website(www.astm.org). Permission rights to photocopy the standard may also be secured from the ASTM website (www.astm.org/COPYRIGHT/).1 This specification is under the jurisdiction of ASTM Commi
20、ttee D04 on Road and Paving Materials and is the direct responsibility of Subcommittee D04.41 on EmulsifiedAsphalt Specifications.Current edition approved June 1, 2005July 1, 2012. Published July 20052012. Originally approved in 1965. Last previous edition approved in 20022005 as D239702.05.DOI: 10.1520/D2397-05.10.1520/D2397-12.2 For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at serviceastm.org. For Annual Book of ASTM Standardsvolume information, refer to the standards Document Summary page on the ASTM website.D2397 123
