PHASE II REPORT - Caltrans

Figure 4.25: Comparison of Losses as Determined by Wet and Dry Loss Methods
Aggregate and Emulsion Effects
The Aluminum base support was used and the tests repeated with two mixes, Mix M2a and Mix
M2b. These mixes were cured at 77°F (25°C) and 70% humidity. The mix proportions were as
follows:
Mix M2a
Mix M2b
Loss (g)
400
350
300
250
200
150
100
50
0
• 100 grams of aggregate
• 1 gram of cement
• 9 grams of water (Based on the weight of dry aggregate)
• 0.5 gram of additive
• 15 grams of emulsion
• 100 grams of aggregate
• 0.5 gram of cement
• 10 grams of water (Based on the weight of dry aggregate)
• 0.5 gram of additive
• 15 grams of emulsion
Wet Loss Vs. Dry Loss method
30 60 180
Time of Cure (Min) 77°F (25°C ) 70% humidity.
63
Wet loss Felt
Wet loss Steel
Wet loss Al
Dry loss Felt
Dry Loss Steel
Dry loss Al