If q is the punching shear resistance per unit area a, is the side of a square footing for a column of side b, carrying a weight W including the weight of the footing, the depth (D) of the footing from punching shear consideration, is

RCC Structures Design
If q is the punching shear resistance per unit area a, is the side of a square footing for a column of side b, carrying a weight W including the weight of the footing, the depth (D) of the footing from punching shear consideration, is

D = W (a - b)/4a²bq

D = W (a² - b²)/4a²bq

D = W (a² - b²)/8a²bq

D = W (a² - b²)/4abq

D = W (a - b)/4a²bq

D = W (a² - b²)/4a²bq

D = W (a² - b²)/8a²bq

D = W (a² - b²)/4abq

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RCC Structures Design
Columns may be made of plain concrete if their unsupported lengths do not exceed their least lateral dimension

Four times

Three times

Two times

Five times

Four times

Three times

Two times

Five times

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RCC Structures Design
A pre-stressed rectangular beam which carries two concentrated loads W at L/3 from either end, is provided with a bent tendon with tension P such that central one-third portion of the tendon remains parallel to the longitudinal axis, the maximum dip h is

WL/4P

WL/P

WL/3P

WL/2P

WL/4P

WL/P

WL/3P

WL/2P

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RCC Structures Design
If p₁ and p₂ are mutually perpendicular principal stresses acting on a soil mass, the normal stress on any plane inclined at angle θ° to the principal plane carrying the principal stress p₁, is:

[(p₁ + p₂)/2] + [(p₁ - p₂)/2] cos 2θ

[(p₁ - p₂)/2] + [(p₁ + p₂)/2] cos 2θ

[(p₁ - p₂)/2] + [(p₁ + p₂)/2] sin 2θ

[(p₁ + p₂)/2] + [(p₁ - p₂)/2] sin 2θ

[(p₁ + p₂)/2] + [(p₁ - p₂)/2] cos 2θ

[(p₁ - p₂)/2] + [(p₁ + p₂)/2] cos 2θ

[(p₁ - p₂)/2] + [(p₁ + p₂)/2] sin 2θ

[(p₁ + p₂)/2] + [(p₁ - p₂)/2] sin 2θ

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RCC Structures Design
The design of a retaining wall assumes that the retained earth

All listed here

Is not cohesive

Is free from moisture

Is dry

All listed here

Is not cohesive

Is free from moisture

Is dry

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RCC Structures Design
In a pre-stressed beam carrying an external load W with a bent tendon is having angle of inclination ? and pre-stressed load P. The net downward load at the centre is

W - P cos θ

W - P sin θ

W - 2P sin θ

W - 2P cos θ

W - P cos θ

W - P sin θ

W - 2P sin θ

W - 2P cos θ

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RCC Structures Design

RCC Structures Design If q is the punching shear resistance per unit area a, is the side of a square footing for a column of side b, carrying a weight W including the weight of the footing, the depth (D) of the footing from punching shear consideration, is

RCC Structures Design Columns may be made of plain concrete if their unsupported lengths do not exceed their least lateral dimension

RCC Structures Design A pre-stressed rectangular beam which carries two concentrated loads W at L/3 from either end, is provided with a bent tendon with tension P such that central one-third portion of the tendon remains parallel to the longitudinal axis, the maximum dip h is

RCC Structures Design If p₁ and p₂ are mutually perpendicular principal stresses acting on a soil mass, the normal stress on any plane inclined at angle θ° to the principal plane carrying the principal stress p₁, is:

RCC Structures Design The design of a retaining wall assumes that the retained earth

RCC Structures Design In a pre-stressed beam carrying an external load W with a bent tendon is having angle of inclination ? and pre-stressed load P. The net downward load at the centre is

RCC Structures Design
If q is the punching shear resistance per unit area a, is the side of a square footing for a column of side b, carrying a weight W including the weight of the footing, the depth (D) of the footing from punching shear consideration, is

RCC Structures Design
Columns may be made of plain concrete if their unsupported lengths do not exceed their least lateral dimension

RCC Structures Design
A pre-stressed rectangular beam which carries two concentrated loads W at L/3 from either end, is provided with a bent tendon with tension P such that central one-third portion of the tendon remains parallel to the longitudinal axis, the maximum dip h is

RCC Structures Design
If p₁ and p₂ are mutually perpendicular principal stresses acting on a soil mass, the normal stress on any plane inclined at angle θ° to the principal plane carrying the principal stress p₁, is:

RCC Structures Design
The design of a retaining wall assumes that the retained earth

RCC Structures Design
In a pre-stressed beam carrying an external load W with a bent tendon is having angle of inclination ? and pre-stressed load P. The net downward load at the centre is