GD-0711A Theoretical Maximum Specific Gravity and Density Apparatus for Bituminous Paving Mixtures
Purpose
GD-0711A Theoretical Maximum Specific Gravity and Density Apparatus of Bituminous Paving Mixtures is designed and made by the stated requirement of the T071 “Theoretical Maximum Specific Gravity and Density of Asphalt Mixture Test (Vacuum Method)”in the Industry Standard of People Republic of China JTJ052Specifications and Test Methods of Bitumen and Bituminous Mixtures for Highway Engineering.
The instrument is suitable to determine theoretical maximum specific gravity and density of asphalt mixture using vacuum method.The determination is used to design the asphalt mixture ratio and calculate the percentage of void and the degree of compression for investigation of road situation or quality management of road surface construction. But it is not suitable to the water absorption rate of porous mineral aggregate asphalt mixture more than 3%.
Technical specification and parameters
1. Power supply: AC 220 V±10%, 50 Hz
2. Container cubage: 4300 ml × 2
3. Vacuum pump power: 160 W
4. Pressure range: 0~730 mmHg
5. Vibrator power: 30 W
6. Dimension: 510 mm (length) × 520 mm (width) × 380 mm (height)
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