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") | 99 |
| 25.0 mm (1") | 60 |
| 19.0 mm (3/4") | 9 |
| 12.5 mm (1/2") | 2 |
| 2.36 mm (No. 8) | 2 |
| 0.075 mm (No.200) | 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. | 101.0 |
| Voids | 38% | |||
| Type | Rodded | |||
| C131 | T96 | L.A. Abrasion | Small Coarse Loss | 26% |
| Grading/Revolutions | B/500% | |||
| C 127 | T85 | Coarse Specific Gravity & Absorption | Bulk Specific Gravity (dry) | 2.619 |
| Bulk Specific Gravity, SSD | 2.641 | |||
| Apparent Specific Gravity | 2.678 | |||
| Absorption | 0.9% | |||
| C 88 | T104 | Soundness | Coarse Soundness Loss | 0.2% |
| Magnesium No. of Cycles | ||||
| Fine Soundness Loss | % | |||
| Magnesium No. of Cycles | % | |||
| C40 | T21 | Organic Impurities | Coarse Aggregate | Lighter Plat #1% |
| C142 | T112 | Clay / Friable Particles | Coarse Aggregate | 0.0% |
| Fine Aggregate | % | |||
| C123 | T113 | Lightweight Pieces | Coarse Aggregate | 0.1% |
| Fine Aggregate | % | |||
| D5821 | Fractured Face | 1 or 2 Faces | 1 (Test Result 2) | |
| Fractured Face, % | 51 (Test Result 43) | |||