What are the organic substances in the production of warm asphalt? Please explain with reference
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What are the organic substances in the production of warm asphalt? Please explain with reference.
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- Given four different types of aggregates to be used to produce a blended aggregate for use in the manufacture of asphaltic concrete, determine the bulk specific gravity of the aggregate mix.Given the specifications for an asphaltic concrete mixture and the results of a sieve analysis, determine the proportion of different aggregates to obtain the required gradation. Coarse aggregates: 60% Fine aggregates: 35% Filler: 5%What is temperature susceptibility of asphalt? Are soft asphalts used in hot or cold climates?
- How is the load supported by asphalt concrete in the cases of tension and compression? Under what conditions is the asphalt concrete layer subjected to tension?Why is warm asphalt preferred? Explain this with reference.How can we improve Moisture Susceptibility of asphalt? What are the main reasons of asphalt collapse? What is the desired air content of asphalt? What are the problems with higher air contents? Whatare the issues with lower air contents?
- What do you mean by the Absolute Viscosity Test of Asphalt? What is the test procedure involved in this ?Explain briefly about Viscosity of Asphalt Binder by Rotational Viscometer and what is its significance & use?Discuss the following terms briefly: Emulsion breaking and Cutback curing, Water bound and aggregate base, Flexible pavement and Rigid pavements Cross slope and side slope of road,