11- The temperature range which is used for the mixing process of asphalt with aggregate in the Marshall Mix design is a) 175-190°C b) 121 - 145°C c) 154-160°C d) 138-149°C 12- The surface of asphalt layer should be a) Smooth b) Rough c) Sufficient enough to resist friction d) Very smooth

11- The temperature range which is used for the mixing process of asphalt with aggregate in the Marshall Mix design is a) 175-190°C b) 121 - 145°C c) 154-160°C d) 138-149°C 12- The surface of asphalt layer should be a) Smooth b) Rough c) Sufficient enough to resist friction d) Very smooth

Traffic and Highway Engineering

5th Edition

ISBN:9781305156241

Author:Garber, Nicholas J.

Publisher:Garber, Nicholas J.

Chapter18: Bituminous Materials

Section: Chapter Questions

Problem 4P

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Concept explainers

Asphalt Binders and Mixtures

Asphalt binders are subsidiary products procured during the refining process of petroleum while manufacturing gasoline, diesel, and similar petroleum products. Asphalt binders are obtained from the residue that remains after the distillation of petroleum, this residue is further subjected to steam distillation and oxidation to remove the traces of gas oil present in the residue. Certain additives or modifiers are also added to asphalt binders to alter them to suit different applications.

Question

11- The temperature range which is used for the mixing process of asphalt with aggregate
in the Marshall Mix design is
a) 175 - 190°C
b) 121 - 145°C
c) 154-160°C
d) 138-149°C
12. The surface of asphalt layer should be
a) Smooth
b) Rough c) Sufficient enough to resist friction
d) Very smooth

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