Sieve Results
| ASTM C136 / AASHTO T27 | |
|---|---|
| Sieve Size | % Passing* |
| ASTM D4791 | Ratio= | 1:5 |
| 50.0 mm (2") | 100 |
| 37.5 mm (1-1/2") | 98 |
| 25.0 mm (1") | 25 |
| 19.0 mm (3/4") | 3 |
| 12.5 mm (1/2") | 2 |
| 9.5 mm (3/8") | 2 |
| 4.75 mm (No.4") | 2 |
| 0.075 mm (No.200) | 1.1 |
Rock – Unwashed, 1.5″ Maximum
Used for many of the same functions as the smaller diameter ¾” Max rock, but where a coarser rock is specified or desired.
Test Results
| ASTM | AASHTO | Physical Properties |
Result* |
|
|---|---|---|---|---|
| C 29 | T19 | Unit Weight | Unit Weight, lbs./cu.ft. | 96 |
| Voids | 43% | |||
| Type | Rodded | |||
| C131 | T96 | L.A. Abrasion | Small Coarse Loss | 22.7% |
| Grading/Revolutions | A/500% | |||
| ASTM C535 | L.A. Abrasion | large Coarse Loss | 27.0% | |
| Grading/Revolutions | 2/1000% | |||
| C 127 | T85 | Coarse Specific Gravity & Absorption | Bulk Specific Gravity (dry) | 2.678 |
| Bulk Specific Gravity, SSD | 2.697 | |||
| Apparent Specific Gravity | 2.728 | |||
| Absorption | 0.70% | |||
| C 88 | T104 | Soundness | Coarse Soundness Loss | 0.5% |
| Magnesium No. of Cycles | 5 | |||
| Fine Soundness Loss | % | |||
| Magnesium No. of Cycles | % | |||
| D5821 | Fractured Face | 1 or 2 Faces | 2 | |
| Fractured Face, % | 100 | |||