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6506r4-f10 - REVIEW QUESTIONS FOR CGN 6506 TEST NO.2 PART 1...

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REVIEW QUESTIONS FOR CGN 6506, TEST NO.2, PART 1 FALL 2010 ASPHALT MIX DESIGN 1. Know how to do a Hveem mix design. How is the optimum asphalt content to be determined? What are the three criteria which must be met in a Hveem mix design? How are the specimens compacted in the Hveem mix design method? 2. Describe how the Gyratory Testing Machine (GTM) simulates roller compaction and traffic densification on an asphalt mixture. 3. Describe the GTM mix design method as specified in the current ASTM standard. What mixture properties are measured and how is the optimum asphalt content determined? 4. Describe how the GTM can be used for quality control of asphalt mixtures produced in the field. 5. Describe the GTM mix design method as proposed by Ruth and Schaub. 6. Describe the revised GTM mix design method recommended by John McRae. 7. Describe how the cohesion (C) and friction angle of an asphalt mixture are related to its resistance to failure under a vertical uniform load.
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