Q181
Open questionIf the average bending stress is 6 kg/cm2 for M 150 grade concrete, the length of embedment of a bar of diameter d according to I.S. 456 specifications, is
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RCC Structures Design
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Q182
Open questionA pre-stressed concrete member is preferred because
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Q183
Open questionIf the maximum bending moment of a simply supported slab is M Kg.cm, the effective depth of the slab is (where Q is M.R. factor)
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Q184
Open questionIf jd is the lever arm and is the total perimeter of reinforcement of an R.C.C. beam, the bond stress at the section having Q shear force, is
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Q185
Open questionThe minimum head room over a stair must be
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Q186
Open questionFor stairs spanning meters longitudinally between supports at the bottom and top of a flight carrying a load w per unit horizontal area, the maximum bending moment per metre width, is
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Q187
Open questionIf the diameter of the main reinforcement in a slab is 16 mm, the concrete cover to main bars is
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Q188
Open questionTotal pressure on the vertical face of a retaining wall of height ‘h’ per unit run exerted by the retained earth weighing ‘w’ per unit volume, is
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Q189
Open questionAccording to I.S. : 456 specifications, the safe diagonal tensile stress for M 150 grade concrete, is
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Q190
Open questionFor a circular slab carrying a uniformly distributed load, the ratio of the maximum negative to maximum positive radial moment, is
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Q191
Open questionIf the width of the foundation for two equal columns is restricted, the shape of the footing generally adopted, is
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Q192
Open questionIf the maximum shear stress at the end of a simply supported R.C.C. beam of 16 m effective span is 10 kg/cm2, the length of the beam having nominal reinforcement, is
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Q193
Open questionDimensions of a beam need be changed if the shear stress is more than
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Q194
Open questionThe minimum cube strength of concrete used for a pre-stressed member, is
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Q195
Open questionDesign of R.C.C. simply supported beams carrying U.D.L. is based on the resultant B.M. at
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Q196
Open questionIf T and R are the tread and rise of a stair which carries a load w per square metre on slope, the corresponding load per square metre of the horizontal area, is
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Q197
Open questionThe modular ratio ‘m’ of a concrete whose permissible compressive stress is ‘C’, may be obtained from the equation.
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Q198
Open questionThe minimum number of main steel bars provided in R.C.C.
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Q199
Open questionThe shear reinforcement in R.C.C. is provided to resist
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Q200
Open questionIn a combined footing if shear stress does not exceed 5 kg/cm2, the nominal stirrups provided are
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