ASTM D449-2003(2008) Standard Specification for Asphalt Used in Dampproofing and Waterproofing《防潮和防水用沥青的标准规范》.pdf
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1、Designation: D 449 03 (Reapproved 2008)Standard Specification forAsphalt Used in Dampproofing and Waterproofing1This standard is issued under the fixed designation D 449; 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.This standard has been approved for use by agencies of the Department of Defense.1. Scope1.1 This specification covers three types
3、 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 D 226;fabrics in accordance with Specifications D 173 or D 1668(asphalt types); asphalt-impregnated glass
4、mat in accordancewith Specifications D 2178; and with primer in accordancewith Specification D41.1.2 The values stated in SI units are to be regarded as thestandard. The values given in parentheses are for informationonly.1.3 This standard does not purport to address all of thesafety concerns, if an
5、y, 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-bility of regulatory limitations prior to use.2. Referenced Documents2.1 ASTM Standards:2D5 Test Method for Penetration of Bituminous Mater
6、ialsD36 Test Method for Softening 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 MaterialsD 140 Practice fo
7、r Sampling Bituminous MaterialsD 173 Specification for Bitumen-Saturated Cotton FabricsUsed in Roofing and WaterproofingD 226 Specification for Asphalt-Saturated Organic FeltUsed in Roofing and WaterproofingD 1668 Specification for Glass Fabrics (Woven andTreated) for Roofing and WaterproofingD 2042
8、 Test Method for Solubility of Asphalt Materials inTrichloroethyleneD 2178 Specification for Asphalt Glass Felt Used in Roof-ing and WaterproofingD 3461 Test Method for Softening Point of Asphalt andPitch (Mettler Cup-and-Ball Method)3. Classification3.1 Asphalts covered by this specification includ
9、e threetypes:3.1.1 Type IA soft, adhesive, “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, sub
10、ways,and so forth.3.1.2 Type IIA somewhat less 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 wal
11、ls, tanks, dams, conduits, spray decks, and so 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 Th
12、e asphalt shall be prepared from crude petroleum bysuitable refining processes to conform to the applicable physi-cal requirements for each type.1This specification is under the jurisdiction of ASTM Committee D08 onRoofing and Waterproofing and is the direct responsibility of Subcommittee D08.03on S
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