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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
Using Laplace transfom, the following differential equation d y dy dt reduces to the algebraic equation of the form Resolve y(s) into partial fractions
Difference between direct and bending stress diagrams
What are the problems in under water concreting?
a) What are the laws governing compaction of (i) cohesion less soils like sand and (ii) moderately cohesive soils like sandy clay ? b) To what compaction pressure does the
plz tell me the ratio of sand,aggregate,and asphalt.pl tell me the mm of aggregate
Road Materials Earthwork and pavements constitute a significant part of the cost of a road. Hence it is desirable that thorough investigations be done about the availability o
Q. What are the various impurities in water? Ans.- Impurities in water - The impurities in water are classified as - i. Suspended Impurities. ii. Colloidal Impuritie
Concordant Prestressing In this type of prestressing, tendons follow a concordant profile. The concordant profile of tendons does not change the support reactions in a statica
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Define Compression - Actions in POT Bearings? Vertical load is carried through the piston of the bearing and it is resisted by the elastomeric pad. Elastomer is incompressible,
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