Unit Weight - 4. Measure the mass of the measure and...

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ASTM C 29 (AASHTO No. T19/T19M) Standard Test Method for Bulk Density and Voids in Aggregate Equipment Balance Tamping rod Measure Scoop Calibration equipment Sampling 125-200% of quantity needed to fill the measure. This should be about 6000 g of material. Procedures 1. Fill the measure to 1/3 full, level, and tamp with 25 strokes. 2. Fill the measure to 2/3 full, level, and tamp with 25 strokes. 3. Fill to overflow, tamp, and level with a straightedge.
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Unformatted text preview: 4. Measure the mass of the measure and aggregate. 5. Measure the mass of the measure alone. Calculations Bulk Density m m m a bulk V M M Density-= + Voids water sb bulk water sb Den G Den Den G Voids - = ] ) [( 100 % Significance and Use These values are used in determining mix proportions for concrete. Bulk density can be used in mass/volume relationship calculations....
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This note was uploaded on 10/03/2010 for the course CIVL 3810 taught by Professor Timm during the Spring '09 term at Auburn University.

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