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Q. Function of prime coat in bituminous pavement?
The main function of prime coat in bituminous pavement is to protect the subgrade from weathering andmoisture. Because the presence of moisture affects the strength of subgrade, prevention of water entry at the time of construction is essential to avoid the failure of the pavement. In cold countries, by getting rid of moisture from subgrade, danger of frost heave can be minimized.
Prime coat is an asphalt that, when applied evenly to the surface of subgrade orsub-base, serves to seal the surface to hinder the penetration of moisture into subgrade. Vehicular traffic must be avoided on the surface sprayed with prime coat since the traction and tearing action of vehicles would damage this asphalt layer.
Fig: Position of application of prime coat
Maintenance of Gravel Roads: The maintenance consists of : filling up of potholes/depressions with fresh gravel and compacting after light sprinkling with water. g
IS 883-1970 classifies the structural timber into 3 grades-select grade, grade I and grade II
Formula of the included angle of the bearings?
processes of chemical prestressing
Compare the probabilities: Use the central limit theorem to compute P (¦ X - μ ¦ ≥ k), k = 1, 2,3,4,5 where X and μ are as defined in Example. Compare the probabilities with t
i need journals or articles of forensic structural engineering
Shrinkage of concrete in prestressed members The shrinkage of concrete in prestressed members results in a shortening of ensioned wires and hence contributes to the loss of st
Q. Design the Drainage pipes system in reclamation areas? In reclamation areas drainage pipes are generally laid at flatter gradients when compared with upstream stormwater pip
Determine the types of losses of prestress A loss of prestress will affect the stress distribution on a section of the member. It is therefore necessary to estimate the probabl
What is the shrinkage factor
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