ASTM D449 D449M-2003(2014)e1 Standard Specification for Asphalt Used in Dampproofing and Waterproofing《防潮和防水用沥青的标准规格》.pdf
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1、Designation: D449/D449M 03 (Reapproved 2014)1Standard Specification forAsphalt Used in Dampproofing and Waterproofing1This standard is issued under the fixed designation D449/D449M; the number immediately following the designation indicates the yearof original adoption or, in the case of revision, t
2、he year of last revision. A number in parentheses indicates the year of last reapproval.A superscript epsilon () indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the U.S. Department of Defense.1NOTEUnits information was editor
3、ially corrected in January 2014.1. Scope1.1 This specification covers three types of asphalt suitablefor use as a mopping coat in dampproofing; or as a plying ormopping cement in the construction of membrane waterproof-ing systems with felts in accordance with Specification D226;fabrics in accordanc
4、e with Specifications D173 or D1668(asphalt types); asphalt-impregnated glass mat in accordancewith Specifications D2178; and with primer in accordance withSpecification D41.1.2 The values stated in either SI units or inch-pound unitsare to be regarded separately as standard. The values stated ineac
5、h system may not be exact equivalents; therefore, eachsystem should be used independently of the other. Combiningvalues from the two systems may result in non-conformancewith the standard.1.3 This standard does not purport to address all of thesafety concerns, if any, associated with its use. It is
6、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.2. Referenced Documents2.1 ASTM Standards:2D5 Test Method for Penetration of Bituminous MaterialsD36 Test Method for Softening
7、Point of Bitumen (Ring-and-Ball Apparatus)D41 Specification for Asphalt Primer Used in Roofing,Dampproofing, and WaterproofingD92 Test Method for Flash and Fire Points by ClevelandOpen Cup TesterD113 Test Method for Ductility of Bituminous MaterialsD140 Practice for Sampling Bituminous MaterialsD173
8、 Specification for Bitumen-Saturated Cotton FabricsUsed in Roofing and WaterproofingD226 Specification for Asphalt-Saturated Organic Felt Usedin Roofing and WaterproofingD1668 Specification for Glass Fabrics (Woven and Treated)for Roofing and WaterproofingD2042 Test Method for Solubility of Asphalt
9、Materials inTrichloroethyleneD2178 Specification for Asphalt Glass Felt Used in Roofingand WaterproofingD3461 Test Method for Softening Point of Asphalt and Pitch(Mettler Cup-and-Ball Method)3. Classification3.1 Asphalts covered by this specification include threetypes:3.1.1 Type IA soft, adhesive,
10、“self-healing” asphalt thatflows easily under the mop and is suitable for use below gradeunder uniformly moderate temperature conditions both duringthe process of installation and during service.NOTE 1Type I asphalt is suitable for foundations, tunnels, subways,and so forth.3.1.2 Type IIA somewhat l
11、ess susceptible asphalt thanType I, with good adhesive and “self-healing” properties,suitable for use above grade where it will not be exposed totemperatures exceeding 50C 122F.NOTE 2Type II asphalt is suitable for railroad bridges, culverts,retaining walls, tanks, dams, conduits, spray decks, and s
12、o forth.3.1.3 Type IIIAn asphalt less susceptible to temperaturethan Type II, with good adhesive properties, and suitable foruse above grade on vertical surfaces exposed to direct sunlightor temperatures above 50C 122F.4. Materials and Manufacture4.1 The asphalt shall be prepared from crude petroleu
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