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
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 the loading on a pre-stressed rectangular beam, is uniformly distributed, the tendon to be provided should be.

Parabolic with convexity upward

Straight above centroidal axis

Straight below centroidal axis

Parabolic with convexity downward

Parabolic with convexity upward

Straight above centroidal axis

Straight below centroidal axis

Parabolic with convexity downward

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RCC Structures Design
In a beam the local bond stress Sb, is equal to

Total perimeter of reinforcement/(Leaver arm × Shear force)

Leaver arm/(Bending moment × Total perimeter of reinforcement)

Leaver arm/(Shear force × Total perimeter of reinforcement)

Shear force/(Leaver arm × Total perimeter of reinforcement)

Total perimeter of reinforcement/(Leaver arm × Shear force)

Leaver arm/(Bending moment × Total perimeter of reinforcement)

Leaver arm/(Shear force × Total perimeter of reinforcement)

Shear force/(Leaver arm × Total perimeter of reinforcement)

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RCC Structures Design
The width of the flange of a T-beam should be less than

Least of the above

Breadth of the rib plus twelve times the thickness of the slab

One-third of the effective span of the T-beam

Distance between the centers of T-beam

Least of the above

Breadth of the rib plus twelve times the thickness of the slab

One-third of the effective span of the T-beam

Distance between the centers of T-beam

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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 p1 is the vertical intensity of pressure at a depth h on a block of earth weighing w per unit volume and the angle of repose φ, the lateral intensity of pressure p2 is

w (1 - cos φ)/h (1 + sin φ)

wh (1 - sin φ)/(1 + sin φ)

wh (1 - cos φ)/(1 + sin φ)

wh (1 - tan φ)/(1 + tan φ)

w (1 - cos φ)/h (1 + sin φ)

wh (1 - sin φ)/(1 + sin φ)

wh (1 - cos φ)/(1 + sin φ)

wh (1 - tan φ)/(1 + tan φ)

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RCC Structures Design

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 the loading on a pre-stressed rectangular beam, is uniformly distributed, the tendon to be provided should be.

RCC Structures Design In a beam the local bond stress Sb, is equal to

RCC Structures Design The width of the flange of a T-beam should be less than

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

RCC Structures Design If p1 is the vertical intensity of pressure at a depth h on a block of earth weighing w per unit volume and the angle of repose φ, the lateral intensity of pressure p2 is

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 the loading on a pre-stressed rectangular beam, is uniformly distributed, the tendon to be provided should be.

RCC Structures Design
In a beam the local bond stress Sb, is equal to

RCC Structures Design
The width of the flange of a T-beam should be less than

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

RCC Structures Design
If p1 is the vertical intensity of pressure at a depth h on a block of earth weighing w per unit volume and the angle of repose φ, the lateral intensity of pressure p2 is