Rcc Structures Design - Study Mode
[#51] Side face reinforcement shall be provided in the beam when depth of the web in a beam exceeds
Correct Answer
(B) 75 cm
[#52] ‘P’ is the pre-stressed force applied to tendon of a rectangular pre-stressed beam whose area of cross section is ‘A’ and sectional modulus is ‘Z’. The minimum stress ‘f’ on the beam subjected to a maximum bending moment ‘M’ is
Correct Answer
(C) $${ ext{f}} = frac{{ ext{P}}}{{ ext{A}}} - frac{{ ext{M}}}{{ ext{Z}}}$$
[#53] If P kg/m 2 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
Correct Answer
(A) D = 0.00775 $${ ext{a}}sqrt { ext{P}} $$
[#54] The weight of a foundation is assumed as
Correct Answer
(C) 10% of wall weight
[#55] The diameter of the column head support a flat slab, is generally kept
Correct Answer
(A) 0.25 times the span length