6506r3-f08 - 2. Know how to do a Marshall mix design. How...

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REVIEW QUESTIONS FOR TEST 1 - PART 3 Fall 2008 ASPHALT MIX DESIGN 1. Know how to compute, from the results of the specific gravity tests on aggregates and theoretical maximum specific gravity (Rice) test on asphalt mixtures, the following: (A) % Asphalt absorption of aggregate (B) Theoretical Maximum Density (Gmm) at other asphalt contents (C) % Air Voids (D) Voids in Mineral Aggregate (VMA) Understand the derivations of the equations for these computations.
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Unformatted text preview: 2. Know how to do a Marshall mix design. How are the specimens compacted? How is the initial determination of optimum asphalt content made? What are the six plots to be made? What are the five mix criteria (or required mix properties) which must be met before a Marshall mix design can be adopted? If one or more of the criteria could not be met, what changes in the mix design must be made?...
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