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In General Specification for Civil Engineering Works (1992 Edition),it specifies the temperature requirements for bituminous material during and after mixing. What is the reason behind this?

Temperature is one of the factors that govern the compaction of bituminous material and the air void content is found to decrease with an increase in compaction temperature.

This phenomenon is explained by the viscosity-temperature relations: the higher is the viscosity of binders, the greater is the resistance to compaction. Therefore, in normal contract for bituminous laying, the temperature requirements for bituminous material
during and after mixing are specified.

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This question is taken from book named – A Self Learning Manual – Mastering Different Fields of Civil Engineering Works (VC-Q-A-Method) by Vincent T. H. CHU.

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Kanwarjot Singh

Kanwarjot Singh is the founder of Civil Engineering Portal, a leading civil engineering website which has been awarded as the best online publication by CIDC. He did his BE civil from Thapar University, Patiala and has been working on this website with his team of Civil Engineers.

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One comment on "In General Specification for Civil Engineering Works (1992 Edition),it specifies the temperature requirements for bituminous material during and after mixing. What is the reason behind this?"

SUDHAKAR says:

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