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Significance and Use
4.1 This test method is used to prepare specimens for determination of the bulk specific gravity of a cured compacted specimen. It covers modifications to Test Method D6925 for preparation of CMA by means of the SGC.
4.2 This test method is useful for monitoring the density of the specimen during the compaction process. It is suitable for laboratory design and field control of CMA.
4.3 Local end-use specifications should be developed to establish conformance to the job and user requirements.
1.1 This test method concerns the preparation and compaction of cylindrical specimens of dense-graded cold mix asphalt (CMA) using the Superpave gyratory compactor (SGC).
1.2 This test method is applicable for road mixes or plant mixes prepared at ambient temperatures.
1.3 This test method also refers to the determination of the bulk specific gravity of the compacted CMA.
1.4 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.5 A precision and bias statement for this test method has not been developed at this time. Therefore, this test method should not be used for acceptance or rejection of a material for purchasing purposes.
1.6 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) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
C566 Test Method for Total Evaporable Moisture Content of Aggregate by Drying
D8 Terminology Relating to Materials for Roads and Pavements
D977 Specification for Emulsified Asphalt
D1188 Test Method for Bulk Specific Gravity and Density of Compacted Bituminous Mixtures Using Coated Samples
D2041 Test Method for Theoretical Maximum Specific Gravity and Density of Bituminous Paving Mixtures
D2397 Specification for Cationic Emulsified Asphalt
D2489 Practice for Estimating Degree of Particle Coating of Bituminous-Aggregate Mixtures
D2726 Test Method for Bulk Specific Gravity and Density of Non-Absorptive Compacted Bituminous Mixtures
D3203 Test Method for Percent Air Voids in Compacted Dense and Open Bituminous Paving Mixtures
D3628 Practice for Selection and Use of Emulsified Asphalts
D4215 Specification for Cold-Mixed, Cold-Laid Bituminous Paving Mixtures
D6752 Test Method for Bulk Specific Gravity and Density of Compacted Bituminous Mixtures Using Automatic Vacuum Sealing Method
D6925 Test Method for Preparation and Determination of the Relative Density of Hot Mix Asphalt (HMA) Specimens by Means of the Superpave Gyratory Compactor
D6934 Test Method for Residue by Evaporation of Emulsified Asphalt
D6998 Practice for Evaluating Aggregate Coating using Emulsified Asphalts
ICS Number Code 93.080.20 (Road construction materials)
UNSPSC Code 30121600(Asphalts)
ASTM D7229-08(2013)e1, Standard Test Method for Preparation and Determination of the Bulk Specific Gravity of Dense-Graded Cold Mix Asphalt (CMA) Specimens by Means of the Superpave Gyratory Compactor, ASTM International, West Conshohocken, PA, 2013, www.astm.orgBack to Top