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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.
Purpose of plane table
30,000-yd 3 of banked soil from a borrow pit is stockpiled before being trucked to the jobsite. The soil has 28% swell and shrinkage of 18%. The final volume of the compacted so
tack rivet figures with connections
what do u mean by effective span and its derivation?
A clay layer 24 metres thick has a saturated unit weight of 18 kN/m 3 . Ground water level occurs at a depth of 4 metres. It is proposed to construct a reinforced concrete foundati
construction the ellips in all method
Hoyers long line system pre-tensioning When concrete attains the required strength, jacks are released and tendon wires in-between various units are cut.
derivation for strain energy stored in a body due to torsion
How is corrosion perverted...?
Q. Sand cone test – suitable for all soils? Sand cone (replacement) test is generally carried out to determine the in-situ and compacted density of soils. This testing method i
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