By Irving Kett
The aim of this guide is to familiarize and scholars with the know-how of asphalt in its a number of kinds specifically asphalt cement, cutback asphalt, and asphalt emulsions. The laboratory paintings is designed to advance an figuring out of asphalt houses, features, trying out methods, and requisites.
The methods defined are all derived from ASTM designations and perform as instructed via the Asphalt Institute. the place the actual ASTM technique allows trade techniques, the single extra acceptable to the to be had apparatus and the educating scenario was once chosen.
The handbook involves the following:
ГІ 35 of the usually used ASTM exams in Asphalt Binder and combine Design.
ГІ pattern computations and simple to exploit facts sheets, such a lot of which were constructed particularly for the manual.
ГІ An up to date evaluate of Asphalt know-how together with resources, ancient improvement, and classifications of asphalt products.
ГІ effortless to appreciate motives for Voids Mineral mixture, Absorbed Asphalt, potent Asphalt content material, percentage Air Voids, and percentage of Voids choked with Asphalt.
ГІ A stand-alone asphalt guide, written particularly for collage laboratory guide, but acceptable for a advertisement checking out laboratory. hardly ever will different reference fabrics have to be referred to.
ГІ Dimensions in either the SI and the united states usual platforms of measurement.
ГІ An appendix with conversion elements, ideas of security and approaches, assessment of SHRP SUPERPAVE, rationalization of asphalt emulsions, and extra information sheets on single-sided pages.
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Were the heating requirements met, as outlined in Section C of the Test Procedure? (a)_ (b) (C) . DUCTILITY TEST (ASTM D 113) 1. Material Identification 2. Date Room Temperature 3. Temperature of Sample during heating 0 F 0 F 4. Time sample poured 5. Time placed in bath 6. Elapsed time cooling min. 7. Temperature of Water bath 0 F 8. Time: Start Test (Mold removed) 9. Curing Period in bath min. 10. Setting of Controller for speed rate 11. Distant of Specimen to: 12.
Of Total Rhombic Slightly Flat/ Elongated, 1:2 Flat or Elongated, 1:3 Very Flat or I Elongated, 1:5 Wt. Gm Wt. 0 Total Wt. 9 10,000 *Since the percentage of these sizes are less than 10% of the total mass of the aggregate sample, the percentage of the various shape ratios are taken from the adjacent aggregate sizes. 5mm (3/8 inches), based upon the combined weight for each dimension ratio. % Elongated and Flat Particles = 24%. See computations on Page 41. Gm. Wt. Gm %Total Slightly Flat/ Elongated, 1:2 Flat or Elongated, 1:3 Very Flat or Elongated, 1:5 Wt.
Asphalt Materials and Mix Design Manual by Irving Kett