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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.
Describe the basic difference in the bearing capacity computation of shallow and deep foundations. How are skin frictions and point resistance of a pile computed?
Determine the moment of inertia with respect to the x axis for the shaded area shown (Figure 2) . The dimension is a = 2.00m
Q. Necessity of pile tip cover for rock-socketed H-piles? In current practice concrete cover is generally provided at the pile tips of pre-bored H-piles socketed in rock. The o
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Types of Pavements: On the basis of structural performance of pavements, there are basically two types of pavements: (a) Flexible, and (b) Rigid. A flexible pavement
Explain term - losses of prestress We know that with time, tendons lose some of their initial prestress (at the time of transfer of prestress). This is termed as 'losses of pre
Sealing moving cracks and non-moving cracks In developing a suitable method to seal up cracks detected on concrete surface, it's of paramount importance to conclude if further
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