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Q. Can you explain Curved heads ?
In case of rivers carrying high discharges of the order of 28300 m3 Is and above, Gale's recommendations are more conservative than Spring's. For rivers with discharge of the order of 14150 m3/s, radius of curve according to different authors is nearly same. For discharges smaller than 14150 m3 /s radius can possibly be shorter than suggested by Spring. In the absence of definitive overall criteria, judgement needs to be used in selecting suitable radius or radii when the curve is composite. In case of major bridge projects, aid of hydraulic model studies may, in addition, be sought in finalising the curve.
Sometimes side of concrete bridges is observed to turn black in colour . What is the main reason being for the phenomenon ?
Q. Explain Remote sensing technique? Remote sensing is a science or an art of obtaining the information about an object, area or a phenomenon through analysis of data acquired
report
Q. What do you know about Shallow Piers? In case of some of the existing bridges, piers may be shallow and grip may be found to be inadequate. Protection round piers is then re
what is maximum flood level
Q. Core-barrel samplers: single tube sampler vs. double tube sampler vs. triple tube sampler Core barrel samplers are initially designed to sample rock. In single tube sampler
Define Black & White Fathometer - Non-Destructive Testing? Most commonly used sounding device is black & white fathometer. The units are compact and easy to use. They consist o
Derive the relation among void ratio (e), specific gravity of particles (G) and moisture content at full saturation (w). A certain sample of saturated soil in a container weighs
Q. Reasons for blockage in pumping concrete ? Concrete pumping is normally adopted in highly elevated locations for which access for concrete trucks is difficult. Construction
shear force and bending moment overhanging beams
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