A reinforced concrete cantilever beam is 3.6 m long, 25 cm wide and has its lever arm 40 cm. It carries a load of 1200 kg at its free end and vertical stirrups can carry 1800 kg. Assuming concrete to carry one-third of the diagonal tension and ignoring the weight of the beam, the number of shear stirrups required, is

RCC Structures Design
A reinforced concrete cantilever beam is 3.6 m long, 25 cm wide and has its lever arm 40 cm. It carries a load of 1200 kg at its free end and vertical stirrups can carry 1800 kg. Assuming concrete to carry one-third of the diagonal tension and ignoring the weight of the beam, the number of shear stirrups required, is

35

30

40

45

35

30

40

45

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RCC Structures Design
If diameter of a reinforcement bar is d, the anchorage value of the hook is

8d

4d

12d

16d

8d

4d

12d

16d

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RCC Structures Design
If ‘W’ is weight of a retaining wall and ‘P’ is the horizontal earth pressure, the factor of safety against sliding, is

2.0

3.0

1.0

1.5

2.0

3.0

1.0

1.5

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RCC Structures Design
A very comfortable type of stairs is

Open newel

Straight

Dog legged

Geometrical

Open newel

Straight

Dog legged

Geometrical

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RCC Structures Design
If P kg/m² is the upward pressure on the slab of a plain concrete footing whose projection on either side of the wall is a cm, the depth of foundation D is given by

D = 0.775 Pa

D = 0.00775 aP

D = 0.07775 aP

D = 0.0775 aP

D = 0.775 Pa

D = 0.00775 aP

D = 0.07775 aP

D = 0.0775 aP

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RCC Structures Design
Post tensioning system

Was widely used in earlier days

Is not economical and hence not generally used

Is economical for large spans and is adopted now a days

None of these

Was widely used in earlier days

Is not economical and hence not generally used

Is economical for large spans and is adopted now a days

None of these

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RCC Structures Design

RCC Structures Design If diameter of a reinforcement bar is d, the anchorage value of the hook is

RCC Structures Design If ‘W’ is weight of a retaining wall and ‘P’ is the horizontal earth pressure, the factor of safety against sliding, is

RCC Structures Design A very comfortable type of stairs is

RCC Structures Design If P kg/m² is the upward pressure on the slab of a plain concrete footing whose projection on either side of the wall is a cm, the depth of foundation D is given by

RCC Structures Design Post tensioning system

RCC Structures Design
If diameter of a reinforcement bar is d, the anchorage value of the hook is

RCC Structures Design
If ‘W’ is weight of a retaining wall and ‘P’ is the horizontal earth pressure, the factor of safety against sliding, is

RCC Structures Design
A very comfortable type of stairs is

RCC Structures Design
If P kg/m² is the upward pressure on the slab of a plain concrete footing whose projection on either side of the wall is a cm, the depth of foundation D is given by

RCC Structures Design
Post tensioning system