A raft foundation is provided if its area exceeds the plan area of the building by

RCC Structures Design
A raft foundation is provided if its area exceeds the plan area of the building by

40 %

50 %

20 %

10 %

40 %

50 %

20 %

10 %

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RCC Structures Design
If C is creep coefficient, f is original pre-stress in concrete, m is modular ratio, E is Young's modulus of steel and e is shrinkage strain, the combined effect of creep and shrinkage is:

(1 - C) mf + eE

(C - 1) mf - eE

(1 - C) mf - eE

(C - 1) mf + eE

(1 - C) mf + eE

(C - 1) mf - eE

(1 - C) mf - eE

(C - 1) mf + eE

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RCC Structures Design
To have pressure wholly compressive under the base of a retaining wall of width b, the resultant of the weight of the wall and the pressure exerted by the retained, earth should have eccentricity not more than

b/3

b/6

b/5

b/4

b/3

b/6

b/5

b/4

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RCC Structures Design
An R.C.C. roof slab is designed as a two way slab if

The slab is continuous over two supports

It supports live loads in both directions

The slab is discontinuous at edges

The ratio of spans in two directions is less than 2

The slab is continuous over two supports

It supports live loads in both directions

The slab is discontinuous at edges

The ratio of spans in two directions is less than 2

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RCC Structures Design
If longitudinally spanning stairs are casted along with their landings, the maximum bending moment per metre width, is taken as

\frac{w l^{2}}{4}

\frac{w l^{2}}{12}

\frac{w l^{2}}{8}

\frac{w l^{2}}{10}

$\frac{w l^{2}}{4}$

$\frac{w l^{2}}{12}$

$\frac{w l^{2}}{8}$

$\frac{w l^{2}}{10}$

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RCC Structures Design
The shear reinforcement in R.C.C. is provided to resist

Vertical shear

Diagonal tension

Diagonal compression

Horizontal shear

Vertical shear

Diagonal tension

Diagonal compression

Horizontal shear

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RCC Structures Design

RCC Structures Design A raft foundation is provided if its area exceeds the plan area of the building by

RCC Structures Design If C is creep coefficient, f is original pre-stress in concrete, m is modular ratio, E is Young's modulus of steel and e is shrinkage strain, the combined effect of creep and shrinkage is:

RCC Structures Design To have pressure wholly compressive under the base of a retaining wall of width b, the resultant of the weight of the wall and the pressure exerted by the retained, earth should have eccentricity not more than

RCC Structures Design An R.C.C. roof slab is designed as a two way slab if

RCC Structures Design If longitudinally spanning stairs are casted along with their landings, the maximum bending moment per metre width, is taken as

RCC Structures Design The shear reinforcement in R.C.C. is provided to resist

RCC Structures Design
A raft foundation is provided if its area exceeds the plan area of the building by

RCC Structures Design
If C is creep coefficient, f is original pre-stress in concrete, m is modular ratio, E is Young's modulus of steel and e is shrinkage strain, the combined effect of creep and shrinkage is:

RCC Structures Design
To have pressure wholly compressive under the base of a retaining wall of width b, the resultant of the weight of the wall and the pressure exerted by the retained, earth should have eccentricity not more than

RCC Structures Design
An R.C.C. roof slab is designed as a two way slab if

RCC Structures Design
If longitudinally spanning stairs are casted along with their landings, the maximum bending moment per metre width, is taken as

RCC Structures Design
The shear reinforcement in R.C.C. is provided to resist