9. As a materials engineer working for a highway department, what standard PG asphalt binder grade would you specify for

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9 As A Materials Engineer Working For A Highway Department What Standard Pg Asphalt Binder Grade Would You Specify For 1 (76.25 KiB) Viewed 71 times

9. As a materials engineer working for a highway department, what standard PG asphalt binder grade would you specify for each of the conditions shown in the table below (6 marks) Seven-Day Pavement Maximum Temperature, °C Minimum Pavement Temperature, C Recommended PG Grade 50% 98% Std. Dev., °C Mean, °C Std. Dev., °C Reliability Reliability 1.5 -29 2.5 3 -18 2.5 10 2 Case Mean, °C 1 43 2 51 3 62