EXAMIANS
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
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The floor slab of a building is supported on reinforced cement floor beams. The ratio of the end and intermediate spans is kept
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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
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With usual notations the depth of the neutral axis of a balanced section, is given by
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The design of heel slab of a retaining wall is based on the maximum bending moment due to:
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The weight of reinforced concrete, is generally taken as
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The length of lap in tension reinforcement should not be less than the bar diameter × (actual tension / four times the permissible average bond stress) if it is more than
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If P kg/m² is the upward pressure on the slab of a plain concrete footing whose projection on either side of the wall is a cm, the depth of foundation D is given by
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A pre-stressed concrete member
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If 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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