1、Designation: D 1863 05Standard Specification forMineral Aggregate Used on Built-Up Roofs1This standard is issued under the fixed designation D 1863; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revision. A numbe
2、r in parentheses indicates the year of last reapproval. Asuperscript epsilon (e) 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 the quality and grading ofcrushe
3、d stone, crushed slag, and water-worn gravel suitable foruse as coarse mineral aggregate on built-up roofs.1.2 The values stated in SI units are to be regarded as thestandard. The values given in parentheses are for informationonly.2. Referenced Documents2.1 ASTM Standards:2C 29/C 29M Test Method fo
4、r Bulk Density (Unit Weight)and Voids in AggregateC33 Specification for Concrete AggregatesC117 Test Method for Materials Finer Than 75-m (No.200) Sieve in Mineral Aggregates by WashingC 136 Test Method for Sieve Analysis of Fine and CoarseAggregatesD75 Practice for Sampling AggregatesD 448 Classifi
5、cation for Sizes of Aggregate for Road andBridge ConstructionD 1864 Test Method for Moisture in Mineral AggregateUsed on Built-Up RoofsD 1865 Test Method for Hardness of Mineral AggregateUsed on Built-Up RoofsE11 Specification for Wire Cloth and Sieves for TestingPurposes3. Materials and Manufacture
6、3.1 Crushed Stone and GravelThe crushed stone andgravel at the time of application shall be hard, durable, opaque,and free of clay, loam, sand, or other foreign substances.3.2 Crushed SlagCrushed slag shall be hard, air-cooled,blast-furnace slag, or electric furnace phosphate slag that isfree of san
7、d, clay, or other foreign substances at the time ofapplication.4. Requirements Requirements4.1 The aggregate shall conform to the gradation require-ments specified in Table 1.4.2 The aggregate shall conform to the physical propertiesspecified in Table 2.4.3 Suggested Field Checks:4.3.1 Aggregate sha
8、ll be free of ice and snow.4.3.2 A handful of aggregate shall not drip water.4.3.3 The aggregate shall be dry and clean enough to adhereto the hot bitumen flood coat when installed.1This specification is under the jurisdiction of ASTM Committee D08 onRoofing and Waterproofing and is the direct respo
9、nsibility of Subcommittee D08.03on Surfacing and Bituminous Materials for Membrane Waterproofing and Built-upRoofing.Current edition approved Sept. 15, 2005. Published September 2005. Originallyapproved in 1961. Last previous edition approved in 2003 as D 1863 03.2For referenced ASTM standards, visi
10、t 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.TABLE 1 Gradation RequirementsSieve(Specification E11)Amounts Finer than Sieve Specified, mass %S
11、ize 6A19.0to9.5mm(34in. to38 in.)Size No. 67A19.0to4.75mm (34 in. toNo. 4)Size No. 7A12.5to4.75mm (12 in. toNo. 4)25 mm (1 in.) 100 100 .19 mm (34 in.) 90 to 100 90 to 100 10012.5mm(12 in.) 20 to 55 . 90 to 1009.5mm(38 in.) 0to15 20to55 40to704.75 mm (No. 4) 0 to 5 0 to 10 0 to 152.36 mm (No. 8) . 0
12、 to 5 0 to 5ASize number and requirements data are from Specification C33and Classi-fication D 448.TABLE 2 Physical PropertiesMoisture, max, %:Crushed stone and gravel 2.0Crushed roofing slag 5.0AUnit mass (loose), min, kg/m3(lb/ft3) 960 (59.9)Dust, max, % 2.0Hardness, max, percentage passing a 3.35
13、-mm(No. 6) sieve20AA higher moisture content is permitted for slag because of moisture entrap-ment in the internal pores of the pieces of slag.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.5. Sampling5.1 Sample aggregates received
14、in bulk in accordance withPractice D75.5.2 For aggregates received in bags or small containers,select a number of bags or small containers at randomequivalent to the cube root of the total number in the shipment.6. Test Methods6.1 GradationTest Method C 136.6.2 MoistureTest Method D 1864.6.3 Unit Ma
15、ss (Loose)Test Method C 29/C 29M, utilizingthe shoveling procedure.6.4 DustTest Method C117.6.5 HardnessTest Method D 1865.7. Inspection7.1 Inspection of the material shall be as agreed uponbetween the purchaser and the supplier.8. Rejection and Rehearing8.1 Failure to conform to any of the requirem
16、ents prescribedin this specification shall constitute grounds for rejection. Incase of rejection, the seller shall have the right to re-inspect therejected material and resubmit the lot after removal of thoseitems not conforming to the requirements. The buyer will thenhave the option to inspect the
17、reworked lot for compliance tospecification.9. Certification9.1 Certification of material shall be as agreed upon be-tween the purchaser and the supplier.10. Keywords10.1 built-up roofs; crushed slag; crushed stone; gravel;mineral aggregateASTM International takes no position respecting the validity
18、 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 rights, are entirely their own responsibility.This standard is subject
19、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 standardsand should be addressed to ASTM International Headquarters
20、. 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 Committee on Standards, at the address shown below.This standard is
21、 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 aboveaddress or at 610-832-9585 (phone), 610-832-9555 (fax), or serviceastm.org (e-mail); or through the ASTM website(www.astm.org).D1863052
