PHASE II REPORT - Caltrans

CEL#: 10-17749 LAB #: Date Tested: Mar-08 M5: Ruggedness Evaluation # 8
Project Name: Slurry/Micro Mix Design Tested By: LH 1)apply tack coat to disc and break emulsion
Aggregate: Type 3 Emulsion: MSE MICRO 2)record weight of specimen after cure, before soaking
CAT: COHESION ABRASION TEST (FRENCH WTAT): SHORT TERM
MIX 5
Source: TEXAS Source: ERGON 3)cover test specimen with water
Emulsion mid-range target: 10.0 4)abrade for time below
Pre-wet water mid-range target: 8.0 5)rinse debris with 1000ml of water
Additive mid-range target: 0.5 Additive: cement type 2 6)carefully pat dry with towel
Additive mid-range target: 0.00 Additive: Aluminum sulfate 7)record weight after test
Additive mid-range target: Additive:
Additive mid-range target: Additive:
Curing Conditions:
Cohes.Abrasion w/wheels Control Eval#8
% material weights,g Temperature,°C 25 23 °C
-- aggregate 1350.0 agg Temperature,°F 77 73.4 °F
0.5 cement / lime 6.8 cement
Other: ___________ Humidity, % 50 40
143
NONE
8.0 water 108.0 water
0.0 Aluminum sulfate 0.0 Aluminum sulfate Soaking period before testing see below
10.0 emulsion (target) 135.0 emulsion
Other: ___________ Compaction w/ roller immediately before testing
A Cure Start Initial Initial End Final Final Soaking Abrasion Temp B C=A-B
Original Time Clock Temp
Humidity Clock Temp Humidity Period time of SOAK Final Loss
Wt, g minutes Time °F °C Time before test water Wt, g Wt, g
1601.1 55 8:10 73.4 23.0 40 9:05 23 40 55 sec 55 sec 20 1330 271.1
1604.2 55 8:30 72.9 22.7 41 9:25 23 40 55 sec 55 sec 20 1289.8 314.4
1609.6 55 8:45 72.7 22.6 40 9:40 23 40 55 sec 55 sec 20 1344.6 265.0
Temp of test water: 20 °C
68 °F