Properties of Foamed Asphalt for Warm Mix Asphalt Applications (2015) / Chapter Skim
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Pages 104-121
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104 A P P E N D I X C AASHTO Style Standards
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105 Standard Method of Test for Determining the Expansion and Collapse of Foamed Binder by Using the Laser Distance Measurement Device AASHTO Designation: T xx-xx 1.
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106 Use • • the data obtained from this test for a foam decaying model to determine asphalt foam characteristics as a function of time; and Investigate the influence of binder type, water content, foaming unit, temperature, and pressure on foam expansion and decay properties.
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107 Figure 1. Illustration of the bottom of a 1-gallon can.
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109 7.1.4. Type and dosage of foaming additive (if used)
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110 Standard Method of Test for Determining the Size Distribution and Surface Area of Binder Foam Bubbles During the Foaming Process AASHTO Designation: T xx-xx 1.
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111 4.3. Tripod or other suitable means to mount the digital camera.
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113 6.5. Segment the image by drawing four lines through its center.
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114 Figure 7. Fitted gamma function to the bubble size distribution histogram.
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116 Standard Method of Test for Evaluating the Workability of Foamed Warm Mix Asphalt by a Laboratory Foaming Unit Using a Superpave Gyratory Compactor AASHTO Designation: T xx-xx 1.
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118 • • Second Phase – The shear stress starts to level off. The density of the specimen is expected to be near or at target value.
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119 Standard Method of Test for Evaluating the Coatability of Foamed Warm Mix Asphalt by a Laboratory Foaming Unit Using a Superpave Gyratory Compactor AASHTO Designation: T xx-xx 1.
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120 4.4. Water container to soak foamed asphalt loose mix.
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121 5.9. Submerge the second coarse aggregate sample and two loose mix samples in a water container at ambient temperature for 60 minutes.
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