PHASE II REPORT - Caltrans

SAND EQUIVALENT FOR AGGREGATES A1, AND A2
Sand Equivalent Value of Soils and Fine Aggregate per AASHTO T176
CEL Number:
Aggregate:
Sample# 2-01 Trial 1 Trial 2 Trial 3
Soaking time: start 0 3 6 minutes
Soaking time: end 10 13 16 10 +/- 1 min
Sedimentation: start 1210 1421 1630
Sedimentation: end 3210 3421 3630 @ 20 min
Clay reading, C 6.8 6.7 6.7
Sand reading, S 4.3 4.2 4.1
SE (S/C)*100 63.2 62.7 61.2
SE to round up 64 63 62
Average SE to report 63
Sample# 2-02 Trial 1 Trial 2 Trial 3
Soaking time: start 0 3 6 minutes
Soaking time: end 10 13 16 10 +/- 1 min
Sedimentation: start 1201 1423 1638
Sedimentation: end 3201 3423 3652 @ 20 min
Clay reading, C 6.9 6.8 7.0
Sand reading, S 4.4 4.5 4.5
SE (S/C)*100 63.8 66.2 64.3
SE to round up 64 67 65
Average SE to report 66
Sample# 2-09 Trial 1 Trial 2 Trial 3
Soaking time: start 0 3 6 minutes
Soaking time: end 10 13 16 10 +/- 1 min
Sedimentation: start 1226 1453 1654
Sedimentation: end 3226 3453 3654 @ 20 min
Clay reading, C 6.8 6.9 7.1
Sand reading, S 4.3 4.4 4.5
SE (S/C)*100 63.2 63.8 63.4
SE to round up 64 64 64
Average SE to report 64
182
10-17749
A2 (Lopke)