Softening point test 1- Is the point of softening equal to the melting point? 2- If the softening point of the asphalt is greater than 150 m, what parts can be taken for the calculation of softening? 3- Define the point of softening , explaining the conditions on which it depends

Softening point test 1- Is the point of softening equal to the melting point? 2- If the softening point of the asphalt is greater than 150 m, what parts can be taken for the calculation of softening? 3- Define the point of softening , explaining the conditions on which it depends

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

Softening point test

1- Is the point of softening equal to the melting point?
2- If the softening point of the asphalt is greater than 150 m, what parts can be taken for the calculation of softening?
3- Define the point of softening , explaining the conditions on which it depends

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