Q4) Determine the PG grade of the asphalt whose results are shown in the table below? Show allcalculations and comparisons with Superpave requirements.TestResultsOriginal PropertiesFlash point temperature, °C278Viscosity @ 135 °C0.490 Pa.sDynamic shear Rheometer@ 82 °C@ 76 °CG* = 0.82 kPa, 8 = 68°G* = 1.00 kPa, 8 = 64°@ 70 °CG* = 1.80 kPa, 8 = 60°Rolling Thin Film Oven Aged BinderMass loss, %0.63Dynamic shear Rheometer@ 82 °C@ 76 °CG* = 1.60 kPa, 8 = 65°G* = 2.20 kPa, ô = 62°@ 70 °CG* = 3.50 kPa, 8 = 58°Rolling Thin Film Oven and PAV Aged BinderDynamic shear Rheometer@ 34 °C@ 31 °C@ 28 °CG* = 2500 kPa, 8 = 60°G* = 3700 kPa, 8 = 58°G* = 4850 kPa, 8 = 56°Bending Beam Rheometer@ -6 °C, 60-sec@ -12 °C, 60-sec@ -18 °C, 60-secS = 255 MPa, m = 0.329S = 290 MPa, m = 0.305S = 318 MPa, m = 0.277

Calculate the PG grade of the asphalt as given as, For dynamic shear rheometer the ratio of G*sinδ…

Q4) Determine the PG grade of the asphalt whose results are shown in the table below? Show all calculations and comparisons with Superpave requirements. Test Results Original Properties Flash point temperature, °C 278 Viscosity @ 135 °C 0.490 Pa.s Dynamic shear Rheometer

Q4) Determine the PG grade of the asphalt whose results are shown in the table below? Show all calculations and comparisons with Superpave requirements. Test Results Original Properties Flash point temperature, °C 278 Viscosity @ 135 °C 0.490 Pa.s Dynamic shear Rheometer

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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Question

Q4) Determine the PG grade of the asphalt whose results are shown in the table below? Show all
calculations and comparisons with Superpave requirements.
Test
Results
Original Properties
Flash point temperature, °C
278
Viscosity @ 135 °C
0.490 Pa.s
Dynamic shear Rheometer
@ 82 °C
@ 76 °C
G* = 0.82 kPa, 8 = 68°
G* = 1.00 kPa, 8 = 64°
@ 70 °C
G* = 1.80 kPa, 8 = 60°
Rolling Thin Film Oven Aged Binder
Mass loss, %
0.63
Dynamic shear Rheometer
@ 82 °C
@ 76 °C
G* = 1.60 kPa, 8 = 65°
G* = 2.20 kPa, ô = 62°
@ 70 °C
G* = 3.50 kPa, 8 = 58°
Rolling Thin Film Oven and PAV Aged Binder
Dynamic shear Rheometer
@ 34 °C
@ 31 °C
@ 28 °C
G* = 2500 kPa, 8 = 60°
G* = 3700 kPa, 8 = 58°
G* = 4850 kPa, 8 = 56°
Bending Beam Rheometer
@ -6 °C, 60-sec
@ -12 °C, 60-sec
@ -18 °C, 60-sec
S = 255 MPa, m = 0.329
S = 290 MPa, m = 0.305
S = 318 MPa, m = 0.277

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