| Feature | C128 (Fine) | C127 (Coarse) | |---------|-------------|---------------| | Primary apparatus | Pycnometer (flask) | Wire basket + balance | | SSD determination | Slump cone | Towel-drying + visual | | Sample size | 500 g | 2–5 kg | | Air removal | Rolling/rotating | Agitation in water | | Difficulty | Higher (operator dependent) | Moderate |
The data obtained from this test is crucial for engineers and batch plant operators for two primary reasons: astm c128
For measuring the displacement of water by the aggregate. | Feature | C128 (Fine) | C127 (Coarse)
[ \fracAB + S - C ]
[ \fracS - AA \times 100 ]
Measurement of Water Absorption of Recycled Aggregate - MDPI astm c128