9. As a materials engineer working for a highway department, what standard PG asphalt binder grade would you specify for
Posted: Wed Jun 08, 2022 6:37 am
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 Minimum Pavement Temperature, C Temperature, C Recommended PG Grade 50% 98% Std. Dev., "C Mean, "C Std. Dev., "C Reliability Reliability 1.5 -29 2.5 3 -18 4 2.5 2 Case Mean, "C 1 43 2 51 3 62 10