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Pavement is the medium for transport to travel from one location to another. Pavement provides the smooth surface and act as a navigation for vehicles. Pavements are of two types (i) Flexible Pavement and (ii) Rigid Pavement. Flexible pavements consists of mixture of asphaltic or bituminous material and aggregate placed on a good quality and compacted…
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What is Gradient of road? The slope of the road pavement in the longitudinal direction is called gradient or grade. It may be expressed either as a ratio of rise or fall in a specified horizontal distance. When a road ascends 1 meter in every 20 horizontal distance it is called 1 in 20 upgrade…
Bituminous materials are the mixture of hydrocarbon of natural or hydrogenous origin or a combination of both found in gaseous, liquid, semi-solid or solid form and completely soluble in carbon disulphide. Bituminous materials may classified as : Bitumen :Bitumen is a hydrocarbon of either natural or artificial obtained during fractional distillation of petroleum. 1. Forms…
