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Concrete Pavement:
Thickness
The thickness of concrete pavements is determined from the stresses induced due to loads and temperature. The thickness adopted is generally 30-35 cm for highways and 15-20 cm for low volume roads. The concrete used is of high strength and is of M-40 grade for highways and not less than M-35 for low volume roads.
A sub-base of 100-150 mm thick dry lean concrete (DLC) of strength M-10 is provided below the pavement layer. An antifriction layer of plastic sheet 125 micron is provided between the slab and DLC. A drainage layer is provided for draining any water that enters the sub-grade.
Explain Hardness - Water Softening 1) Hardness is used to characterize a water that does not lather well, causes a scum in the bath tub and leaves hard, white, crusty deposits
Failure Due to Rupture of Steel This mode of failure is likely in lightly reinforced concrete members in which the ultimate strength of steel is attained before the concrete
explain the principle of working from whole to part, as used in surveying
this is our final year project .please help me to guide about it
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please discuss about trenches
Question For drained reclamation, what will significance of smear zone bring by installation of band drains ? Answer Throughout installation of band drains, smear zon
Define in biref about the Final Prestress The stress which exists after all losses of prestress have occurred substantially is known as final prestress. This may be calculated
Q. Can you explain Permeable Spurs? A permeable spur may be constructed by driving two or more rows of bally piles with sufficient penetration below riverbed level to provide a
what does a civil engineer
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