PHASE II REPORT - Caltrans

11.2.1.1 BT: brown color transfer to white absorbent paper towel
11.2.1.2 A: aggregate and clear water transfer to white absorbent paper towel
11.2.1.3 CW: clear water transfer to white absorbent paper towel
12.0 PROCEDURE
12.1 Perform the test at temperatures used in TB-113.
12.2 Weigh 100 g of aggregate into a suitable mixing bowl.
12.3 Add the desired amount of dry mineral filler or additive and hand mix dry
with spatula at 60 rpm in a circular motion for 10 seconds or until distribution of the dry
ingredients are uniform.
12.4 Add the desired amount of pre-mix water and hand mix at 60 rpm in a
circular motion for 10 seconds or until distribution of the water is complete and uniform.
12.5 Add the desired amount of liquid set additive and hand mix at 60 rpm in a
circular motion for 10 seconds or until distribution of the liquid additive is complete and
uniform.
12.6 Add the desired amount of emulsion and hand mix at 60 rpm in a circular
motion for 120 seconds.
12.7 Remove approximately one-quarter of the mixture onto roofing felt. Spread
the mix evenly to a depth of 3.9 to 5.9 inches (99 -150 mm). Begin timing.
12.8 At the end of 30 seconds, blot the mix surface with a white absorbent paper
towel. Note the color transfer onto the paper towel.
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