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Civil Engineering - RCC Structures Design

Exercise : RCC Structures Design - Section 3
11.
According to the steel beam theory of doubly reinforced beams
tension is resisted by tension steel
compression is resisted by compression steel
stress in tension steel equals the stress in compression steel
no stress is developed in compression concrete as well as in tension concrete
all the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
12.
The thickness of the flange of a Tee beam of a ribbed slab is assumed as
width of the rib
depth of the rib
thickness of the concrete topping 0d) half the thickness of the rib
twice the width of the rib.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
13.
In a singly reinforced beam, if the permissible stress in concrete reaches earlier than that in steel, the beam section is called
under-reinforced section
over reinforced section
economic section
critical section.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
14.
The length of the lap in a compression member is kept greater than bar diameter x (Permissible stress in bar / Five times the bond stress) or
12 bar diameters
18 bar diameters
24 bar diameters
30 bar diameters
36 bar diameters
Answer: Option
Explanation:
No answer description is available. Let's discuss.
15.
If At is the gross area of steel in tension, d is the effective depth of the beam and y is the depth of the centre of gravity of the resultant compression, the moment of resistance M of the beam, is given by
M = At(d - y)
M = Atf(d - y)
M = Atf(d + y)
M =
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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