# Civil Engineering - RCC Structures Design

Exercise : RCC Structures Design - Section 2

- RCC Structures Design - Section 1
- RCC Structures Design - Section 2
- RCC Structures Design - Section 3
- RCC Structures Design - Section 4
- RCC Structures Design - Section 5

6.

If the permissible compressive and tensile stresses in a singly reinforced beam are 50 kg/cm

^{2}and 1400 kg/cm^{2}respectively and the modular ratio is 18, the percentage area At of the steel required for an economic section, isAnswer: Option

Explanation:

Taking Moment of area of tension and compression zone for a singly reinforced beam:

7.

The live load to be considered for an inaccessible roof, is

8.

If the maximum shear stress at the end of a simply supported R.C.C. beam of 6 m effective span is 10 kg/cm

^{2}, the share stirrups are provided for a distance*x*from either end where*x*is9.

The radius of a bar bend to form a hook, should not be less than

10.

With usual notations the depth of the neutral axis of a balanced section, is given by

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