Ing Civil

Designation: D 1863 – 93 (Reapproved 2000)

Standard Specification for

Mineral Aggregate Used on Built-Up Roofs1
This standard is issued under the fixed designation D 1863; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A superscriptepsilon (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. Scope 1.1 This specification covers the quality and grading of crushed stone, crushed slag, and water-worn gravel suitable for use as coarse mineral aggregate on built-up roofs. 2. Referenced Documents 2.1 ASTM Standards: C 29/C 29MTest Method for Unit Weight and Voids in Aggregate2 C 33 Specification for Concrete Aggregates2 C 117 Test Method for Materials Finer Than 75-µm (No. 200) Sieve in Mineral Aggregates by Washing2 C 136 Test Method for Sieve Analysis of Fine and Coarse Aggregates2 D 75 Practice for Sampling Aggregates3 D 448 Classification for Sizes of Aggregate for Road and Bridge Construction3 D 1864 Test Methodfor Moisture in Mineral Aggregate Used on Built-Up Roofs4 D 1865 Test Method for Hardness of Mineral Aggregate Used on Built-Up Roofs4 E 11 Specification for Wire-Cloth Sieves for Testing Purposes5 3. Materials and Manufacture 3.1 Crushed Stone and Gravel—The crushed stone and gravel at the time of application shall be hard, durable, opaque, and free of clay, loam, sand, or other foreign substances.3.2 Crushed Slag—Crushed slag shall be hard, air-cooled, blast-furnace slag, or electric furnace phosphate slag that is free of sand, clay, or other foreign substances at the time of application.
1 This specification is under the jurisdiction of ASTM Committee D-8 on Roofing, Waterproofing, and Bituminous Materials and is the direct responsibility of Subcommittee D08.03 on Surfacing and BituminousMaterials for Membrane Waterproofing and Builtup Roofing. Current edition approved Oct. 15, 1993. Published December 1993. Originally published as D 1863 – 61 T. Last previous edition D 1863 – 86. 2 Annual Book of ASTM Standards, Vol 04.02. 3 Annual Book of ASTM Standards, Vol 04.03. 4 Annual Book of ASTM Standards, Vol 04.04. 5 Annual Book of ASTM Standards, Vol 14.02.

4. Requirements 4.1 Theaggregate shall conform to the gradation requirements specified in Table 1. 4.2 The aggregate shall conform to the physical properties specified in Table 2. 4.3 Suggested Field Checks: 4.3.1 Aggregate shall 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 adhere to the hot bitumen flood coat when installed. 5. Sampling 5.1Sample aggregates received in bulk in accordance with Practice D 75. 5.2 For aggregates received in bags or small containers, select a number of bags or small containers at random equivalent to the cube root of the total number in the shipment. 6. Test Methods 6.1 Gradation—Test Method C 136. 6.2 Moisture—Test Method D 1864. 6.3 Unit Mass (Loose)—Test Method C 29/C 29M, utilizing the shovelingprocedure. 6.4 Dust—Test Method C 117. 6.5 Hardness—Test Method D 1865. 7. Inspection 7.1 Inspection of the material shall be as agreed upon between the purchaser and the supplier. 8. Rejection and Rehearing 8.1 Rejection and rehearing shall be as agreed upon between the purchaser and the supplier. 9. Certification 9.1 Certification of material shall be as agreed upon between the purchaser and thesupplier. 10. Keywords 10.1 built-up roofs; crushed slag; crushed stone; gravel; mineral aggregate

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D 1863
TABLE 1 Gradation Requirements
Amounts Finer than Sieve Specified, mass % Sieve (Specification E 11) Size 6A 19.0 to 9.5 mm ( 3⁄4 in. to 3⁄8 in.) 100 90 to 100 20 to 55 0 to 15 0 to 5 ... Size...