This method covers the determination of specific gravity and absorption of coarse aggregate. The specific gravity may be expressed as bulk specific gravity, bulk specific gravity (saturated-surface-dry (SSD)), or apparent specific gravity. The bulk specific gravity (SSD) and absorption are based on aggregate after 15–19 h of soaking in water. This method is not intended to be used with lightweight aggregates.
AASHTO T 85-13
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Standard Method of Test for Specific Gravity and Absorption of Coarse Aggregate (ASTM Designation: C127-12)
American Association of State Highway and Transportation Officials , 2013
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