Q6. a) What standard PG asphalt binder grade should be selected under the following conditions: A seven-day maximum aver

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Q6 A What Standard Pg Asphalt Binder Grade Should Be Selected Under The Following Conditions A Seven Day Maximum Aver 1 (66.59 KiB) Viewed 11 times

Q6. a) What standard PG asphalt binder grade should be selected under the following conditions: A seven-day maximum average pavement temperature of 51°C and a minimum pavement temperature of -27°C b) Based on the performance grade chosen in question 1, provide the following information about the properties and testing of the asphalt binder: 1. What is the minimum temperature, in °C, at which the binder will reach a flashpoint? 2. What temperature should the viscosity be measured at according to ASTM D4402? 3. What temperature should the dynamic shear rheometer test be run at on: - The original, unaged binder? - The binder after it has gone through aging in the rolling thin-film oven. -The binder after it has undergone aging in the pressure- aging vessel? 4.What temperature should the binder be subjected to in the pressure aging vessel? 5. What temperature should the creep stiffness test be run at? 6. What temperature should the direct tension test be run at?