Rcc structures design questions with answers
181 multiple-choice questions. Open any question for its answer and explanation.
- A circular slab subjected to external loading, deflects to form a
- The weight of reinforced concrete, is generally taken as
- A pre-cast pile generally used, is
- If d is the diameter of a bar, ft is allowable tensile stress and fb, is allowable bond stress, the bond length is given by
- As per IS : 1343, total shrinkage for a pre-tensioned beam, is
- The section of a reinforced beam where most distant concrete fibre in compression and tension in steel attains permissible stresses simultaneously, is called
- The self-weight of the footing, is
- If permissible working stresses in steel and concrete are respectively 1400 kg/cm2 and 80 kg/cm2 and modular ratio is 18, in a beam reinforced in tension side and of width 30 cm and having effective depth 46 cm, the lever arms of the section, is
- The pitch of the main bars in a simply supported slab, should not exceed its effective depth by
- Top bars are extended to the projecting parts of the combined footing of two columns L distance apart for a distance of
- For a ribbed slab
- Design of a two way slab simply supported on edges and having no provision to prevent the corners from lifting, is made by
- Cantilever retaining walls can safely be used for a height not more than
- If the bearing capacity of soil is 10 tonnes/cm2 and the projection of plain concrete footing from walls, is a cm, the depth D of footing is
- For normal cases, stiffness of a simply supported beam is satisfied if the ratio of its span to its overall depth does not exceed
- If depth of slab is 10 cm, width of web 30 cm, depth of web 50 cm, centre to centre distance of beams 3 m, effective span of beams 6 m, the effective flange width of the beam, is
- To ensure uniform pressure distribution, the thickness of the foundation, is
- The design of a retaining wall assumes that the retained earth
- Steel beam theory is used for
- Thickened part of a flat slab over its supporting column, is technically known as
- Enlarged head of a supporting column of a flat slab is technically known as
- The length of the straight portion of a bar beyond the end of the hook, should be at least
- The maximum permissible size of aggregates to be used in casting the ribs of a slab, is
- If longitudinally spanning stairs are casted along with their landings, the maximum bending moment per metre width, is taken as
- A column is regarded as long column if the ratio of its effective length and lateral dimension, exceeds