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Quality Control in Flexible Pavements:
The quality control needed for Flexible Pavements covers the following tests :
(a) Density and Moisture content of sub-grade.
(b) Strength, shape, stripping tests for aggregates.
(c) Strict control over temperature of bitumen, mix.
(d) Amount of binder sprayed in prime coat, tack coat and surface dressing.
(e) Quantity of aggregates spread in surface dressing.
(f) Density and thickness of bituminous macadam, dense bituminous macadam, bituminous concrete and semi dense bituminous carpet.
(g) Marshall Stability values of BC, DBM and SDBC. (h) Profile and longitudinal levels.
Explain the term - Prestressing Force Due to the stretching of tendons, tensile stresses develop inside tendons. Resultant prestressing force in tendons may be calculated by m
Tube levels explains
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Lock Entrance: Wet docks have lock entrances to overcome the high fluctuations in water level in the sea. Figure 7 gives a layout of a lock entrance. It consists of a lock cha
Question What is reason of skin reinforcement for deep beams ? Answer In BS8110, it declares that secondary reinforcement have to be provided for beams greater than 750mm deep
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Explain the Hydraulic Gradient A measurement of the movement of water over distances. Change in hydraulic head from one monitoring point to another. i = ΔH/L units are typ
wahat is physical characteristic on total suspended solid
Briefly explain the difference between compaction and consolidation of soil. What is the effect of compaction on soil properties? Ans.- Compaction - The process of increas
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