ASTM D2726 - 11 Standard Test Method for Bulk Specific Gravity and Density of Non-Absorptive Compacted Bituminous Mixtures

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Source: ASTM International

The results obtained from this test method can be used to determine the unit weight of compacted dense bituminous mixtures and in conjunction with Test Method D3203, to obtain percent air voids. These values in turn may be used in determining the relative degree of compaction.

Since specific gravity has no units, it must be converted to density in order to do calculations that require units. This conversion is made by multiplying the specific gravity at a given temperature by the density of water at the same temperature.

Note 1—The personnel and equipment used in performing this test can be evaluated in accordance with Practice D3666.

1. Scope

1.1 This test method covers the determination of bulk specific gravity and density of specimens of compacted bituminous mixtures.

1.2 This test method should not be used with samples that contain open or interconnecting voids or absorb more than 2 % of water by volume, or both, as determined in 10.3.

1.3 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.

1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

2. Referenced Documents (purchase separately)

ASTM Standards
D979 Practice for Sampling Bituminous Paving Mixtures
D1188 Test Method for Bulk Specific Gravity and Density of Compacted Bituminous Mixtures Using Coated Samples
D3203 Test Method for Percent Air Voids in Compacted Dense and Open Bituminous Paving Mixtures
D3666 Specification for Minimum Requirements for Agencies Testing and Inspecting Road and Paving Materials
D4753 Guide for Evaluating, Selecting, and Specifying Balances and Standard Masses for Use in Soil, Rock, and Construction Materials Testing
D5361 Practice for Sampling Compacted Bituminous Mixtures for Laboratory Testing
D6752 Test Method for Bulk Specific Gravity and Density of Compacted Bituminous Mixtures Using Automatic Vacuum Sealing Method
D7227 Practice for Rapid Drying of Compacted Asphalt Specimens Using Vacuum Drying Apparatus

Index Terms

air voids; compaction; density; specific gravity; unit weight; Air voids; Bituminous paving mixtures (compacted); Bulk specific gravity; Density--paving materials; Nonabsorptive bituminous mixtures; Saturated surface-dry specimens; Specific gravity--bituminous mixtures ;

ICS Code

ICS Number Code 91.100.50 (Binders. Sealing materials); 93.080.20 (Road construction materials)

DOI: 10.1520/D2726-11

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