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ASTM_D_1079_-_20.pdf

1、Designation:D107920Standard Terminology Relating toRoofing and Waterproofing1This standard is issued under the fixed designation D1079;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 parentheses

2、indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Referenced Documents1.1 ASTM Standards:2C33/C33M Specification for Concrete AggregatesC591 Specification for Unfaced Preformed Rigid CellularPolyisocyanurate Thermal Insu

3、lationC1289 Specification for Faced Rigid Cellular Polyisocyanu-rate Thermal Insulation BoardD312/D312M Specification for Asphalt Used in RoofingD450/D450M Specification for Coal-Tar Pitch Used inRoofing,Dampproofing,and WaterproofingD698 Test Methods for Laboratory Compaction Character-istics of So

4、il Using Standard Effort(12,400 ft-lbf/ft3(600kN-m/m3)D1557 Test Methods for Laboratory Compaction Character-istics of Soil Using Modified Effort(56,000 ft-lbf/ft3(2,700 kN-m/m3)D6136/D6136M Test Method for Kerosine Number of Un-saturated(Dry)Felt by Vacuum Method2.Terminology2.1 Definitions:acceler

5、ated weathering,vthe exposure of a specimen to aspecified test environment for a specified time with the intentof producing,in a shorter time period,effects similar toactual weathering.aggregate,n(1)crushed stone,crushed slag,or water-worngravel used for surfacing a built-up roof;(2)any granularmine

6、ral material.alligatoring,vthe cracking of the surfacing bitumen on abuilt-up roof,producing a pattern of cracks similar to analligators hide;the cracks may not extend through thesurfacing bitumen.anionic emulsion,nan emulsion in which the emulsifyingsystem establishes a predominance of negative cha

7、rges onthe discontinuous phase.application rate,nthe quantity(mass,volume or thickness)of material applied per unit area.artificial weathering,vexposure to conditions,which maybe cyclic,involving temperature,relative humidity,radiantenergy,and/or any other conditions or pollutants found in theatmosp

8、here in various geographical areas,which may accel-erate changes in properties of materials over those of naturalweather conditions.asbestos,na group of natural fibrous impure silicate mate-rials.asphalt,na dark brown to black cementitious material inwhich the predominating constituents are bitumens

9、 thatoccur in nature or are obtained in petroleum processing.asphalt,air blown,nan asphalt produced by blowing airthrough molten asphalt at an elevated temperature to raise itssoftening point and modify other properties.asphaltene,na high molecular weight hydrocarbon fractionprecipitated from asphal

10、t by a designated paraffinic naphthasolvent at a specified temperature and solvent-asphalt ratio.DISCUSSIONThe asphaltene fraction should be identified by thetemperature and solvent-asphalt ratio used.asphalt felt,nan asphalt-saturated felt.asphaltite,na natural asphalt found below ground level.asph

11、alt mastic,na mixture of asphaltic material and gradedmineral aggregate that can be poured when heated,butrequires mechanical manipulation to apply.asphalt rock(rock asphalt),na naturally occurring rockformation,usually limestone or sandstone,containingthroughout its mass a minor amount of asphalt.a

12、sphalt roof cement,na trowelable mixture of asphalt,solvents,mineral stabilizers,fillers or fibers,or both.asphalt roof cement,nsee flashing cement.asphalt,steam blown,nan asphalt produced by blowingsteam through molten asphalt to modify its properties.1This terminology is under the jurisdiction of

13、ASTM Committee D08 onRoofing and Waterproofing and is the direct responsibility of Subcommittee D08.01on Nomenclature,Definitions and Editorial.Current edition approved May 1,2020.Published June 2020.Originallyapproved in 1950.Last previous edition approved in 2018 as D1079 18.DOI:10.1520/D1079-20.2

14、For referenced ASTM 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.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West

15、 Conshohocken,PA 19428-2959.United StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recommendations issued by the World Trade

16、Organization Technical Barriers to Trade(TBT)Committee.backnailing,vthe practice of blind-nailing roofing felts to asubstrate in addition to hot-mopping to prevent slippage.bald roofSee smooth-surfaced roof.base ply,nthe bottom or first ply in a built-up roofingmembrane when additional plies are to be subsequentlyinstalled.base sheet,na product intended to be used as a base ply ina built-up roofing system.bitumen,n(1)a class of amorphous,black or dark-colored,(solid,semi-solid,or viscous)cementi

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