Civil Engineering :: Structural Design Specifications
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Pick up the correct precaution while spilicing the reinforcing bars
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If Δ is the deviation of the individual test strength from the average of n samples, the standard deviation of concrete of the given grade is
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The over all depth of a solid slab is 20 cm and effective depth is 15 cm. The horizontal distance between parallel main reinforcement should not be more than
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The ratio of minimum compressive strength on 15 cm cubes prepared with the concrete of M 20 grade and M 40 grade, at 7 days should be at least
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The minimum compressive strength on 15 cm cubes of M 30 grade concrete at 7 days, should be a minimum of
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The grade of plain concrete to be used in sea water or structures exposed to sea water, should be
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In case of continuous beams, the distance between the points of zero moment, may be obtained as (where l is the effective span).
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The reinforcing bars in beams are not bundled in contact if the diameter of the bars, exceeds
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For the reinforced concrete member totally immersed in sea water, the normal cover provided for the reinforcing bars is further increased by
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The effective and actual lengths of a cantilever are same if continuous at the support,
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