To Achieve Sustainability in Road Construction
It is crucial to have sustainablity in road construction. How do we lay an asphalt mixture at temperatures lower than normal? How to efficiently process asphalt? How to make road…
What is petroleum jelly? Why is it called Vaseline?
White petroleum jelly (aka Vaseline) packed in steel cans. Discovered in 1859 by a chemist named Robert Augustus Chesebrough, white petroleum jelly is a mixture of mineral oils and waxes…
What is Bitumen?
Common misunderstandings that people seem to have is that petroleum bitumen and tar are the same thing. Although coal tar and petroleum bitumen looked similar with both are black in…
Types of Bitumen and its Applications
Facebook Twitter Linkedin IntroductionBitumen has a number of applications but it is mainly used either directly or indirectly in the construction and maintenance of roads. It is estimated that 90%…
Basics of Prime Coat and Tack Coat in Road Construction
Introduction To start this article, I would like to go from the basics. There are two types of road pavements: Rigid Pavement Flexible Pavement Rigid Pavements have high flexural stiffness…
Bitumen Air Blowing Process
Bitumen Air Blowing ProcessPilot Test PlantThe physical properties of asphalts (bitumen) may further be modified by 'air blowing'. This is an oxidation process which involves the blowing of air through…
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