AASHTO T 19M/T 19-14 (2018)
- Standard Method of Test for Bulk Density ("Unit Weight") and Voids in Aggregate (ASTM Designation: C 29/C 29M-09)
- standard by American Association of State and Highway Transporta
- Category: AASHTO
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This test method covers the determination of bulk density ("unit weight") of aggregate in a compacted or loose condition, and calculated voids between particles in fine, coarse, or mixed aggregates based on the same determination. This test method is applicable to aggregates not exceeding 125 mm (5 in.) in nominal maximum size.
Note 1--Unit weight is the traditional terminology used to describe the property determined by this test method, which is weight per unit volume (more correctly, mass per unit volume or density).
The values stated in either inch-pound units or acceptable metric units are to be regardedseparately as standard, as appropriate for a specification with which this test method is used. An exception is with regard to sieve sizes and nominal size of aggregate, in which the metric values are the standard as stated in M 92. Within the text, inch-pound units are shown in brackets. The values stated in each system may not be exact equivalents; therefore, each system must be used independently of the other, without combining values in any way.
Note 1--Unit weight is the traditional terminology used to describe the property determined by this test method, which is weight per unit volume (more correctly, mass per unit volume or density).
The values stated in either inch-pound units or acceptable metric units are to be regardedseparately as standard, as appropriate for a specification with which this test method is used. An exception is with regard to sieve sizes and nominal size of aggregate, in which the metric values are the standard as stated in M 92. Within the text, inch-pound units are shown in brackets. The values stated in each system may not be exact equivalents; therefore, each system must be used independently of the other, without combining values in any way.
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