Answered: What standard PG asphalt binder grade…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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What standard PG asphalt binder grade should be selected under the following conditions:
a. The seven-day maximum pavement temperature has a mean of 62°C and a minimum pavement temperature of -15°C. (table9.2)

b. According to part a, what is your recommendation for 20 million ESALs and 50 km/h speed? (table ESALs)

c. For 50 million ESALs and 80 km/h speed. (table ESALs)

Traffic Speed km/h
Design ESALS
(million)
<20
20-70
>70
<0.3
0.3-30
1
>30
2
1

TABLE 9.2 Binder Grades in the Performance Grade
Specifications
High Temperature
Grades (°C)
Low Temperature Grades (°C)
-34, -40, –46
-10, -16, -22, -28, –34, -40,-46
-16, -22, -28, –34, -40
-10, -16, -22, -28, –34, –40
-10,-16, -22, -28, –34, –40
-10, -16, -22, –28, –34
PG 46
PG 52
PG 58
PG 64
PG 70
PG 76
PG 82
-10, -16, -22, -28, -34

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