Rocky, coarse and angular A-1-a fill used in a variety of applications including backfill replacement in muddy or unstable soils.
Sieve Results
ASTM C136 / AASHTO T27 |
Sieve Size | % Passing* |
AASHTO M145 | |
---|
ASTM D4791 | Ratio= | 1:5 |
150 mm (6") | 100 |
100 mm (4") | 100 |
75.0 mm (3") | 100 |
50.0 mm (2") | 90 |
37.5 mm (1-1/2") | 87 |
25.0 mm (1") | 83 |
19.0 mm (3/4") | 80 |
12.5 mm (1/2") | 70 |
9.5 mm (3/8") | 64 |
4.75 mm (No.4") | 45 |
2.36 mm (No. 8) | 30 |
2.00 mm (No. 10) | 27 |
1.18 mm (No. 16) | 20 |
0.425 mm (No.40) | 14 |
0.300 mm (No.50) | 13 |
0.150 mm (No.100) | 10 |
0.075 mm (No.200) | 7.1 |
Test Results
ASTM |
AASHTO |
Physical Properties |
Result* |
C 29 | T19 | Unit Weight | Unit Weight, lbs./cu.ft. | 116 |
| | | Voids | 28% |
| | | Type | Rodded |
D1557 | T180 | Modified Proctor | Max. density, lbs./cu.ft | 137.6 |
| | | Optimum Moisture | 7.5% |
ASTM C535 | | L.A. Abrasion | large Coarse Loss | 20% |
| | | Grading/Revolutions | 3/1000% |
C 127 | T85 | Coarse Specific Gravity & Absorption | Bulk Specific Gravity (dry) | 2.565 |
| | | Bulk Specific Gravity, SSD | 2.594 |
| | | Apparent Specific Gravity | 2.643 |
| | | Absorption | 1.1% |
C 88 | T104 | Soundness | Coarse Soundness Loss | 0.9% |
| | | Sodium No. of Cycles | 5 |
| | | Fine Soundness Loss | % |
| | | Magnesium No. of Cycles | % |
D1883 | T193 | CBR | Surcharge = 10lbs CBR @ 0.1" | 99 |
| | | Swell% = 0.0% CBR @ 0.2" | 258 |
D5821 | | Fractured Face | 1 or 2 Faces | 1 |
| | | Fractured Face, % | 100 |
D2487 | | Soil Classification | Group Symbol | CU = 5.96 |
| | | Group Name | CC = 1.49 |