If the length of a combined footing for two columns l meters apart is L and the projection on the left side of the exterior column is x, then the projection y on the right side of the exterior column, in order to have a uniformly distributed load, is (where x̅ is the distance of centre of gravity of column loads).

RCC Structures Design
If the length of a combined footing for two columns l meters apart is L and the projection on the left side of the exterior column is x, then the projection y on the right side of the exterior column, in order to have a uniformly distributed load, is (where x̅ is the distance of centre of gravity of column loads).

y = L/2 - (l - x̅)

y = L - (l - x̅)

y = L/2 + (l - x̅)

y = L/2 - (l + x̅)

y = L/2 - (l - x̅)

y = L - (l - x̅)

y = L/2 + (l - x̅)

y = L/2 - (l + x̅)

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RCC Structures Design
In a combined footing if shear stress does not exceed 5 kg/cm², the nominal stirrups provided are

6 legged

10 legged

12 legged

8 legged

6 legged

10 legged

12 legged

8 legged

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RCC Structures Design
High strength concrete is used in pre-stressed member

To provide high bond stresses

All listed here

To overcome bursting stresses at the ends

To overcome high bearing stresses developed at the ends

To provide high bond stresses

All listed here

To overcome bursting stresses at the ends

To overcome high bearing stresses developed at the ends

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RCC Structures Design
The section of a reinforced beam where most distant concrete fibre in compression and tension in steel attains permissible stresses simultaneously, is called

Economic section

Critical section

Balanced section

All listed here

Economic section

Critical section

Balanced section

All listed here

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RCC Structures Design
If jd is the lever arm and ΣO is the total perimeter of reinforcement of an R.C.C. beam, the bond stress at the section having Q shear force, is

Q/jdƩO

2 × Q/jdƩO

Q/2jdƩO

Q/3jdƩO

Q/jdƩO

2 × Q/jdƩO

Q/2jdƩO

Q/3jdƩO

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RCC Structures Design
A part of the slab may be considered as the flange of the T-beam if

All of the listed here

It is built integrally with the beam

It is effectively bonded together with the beam

Flange has adequate reinforcement transverse to beam

All of the listed here

It is built integrally with the beam

It is effectively bonded together with the beam

Flange has adequate reinforcement transverse to beam

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RCC Structures Design

RCC Structures Design In a combined footing if shear stress does not exceed 5 kg/cm², the nominal stirrups provided are

RCC Structures Design High strength concrete is used in pre-stressed member

RCC Structures Design The section of a reinforced beam where most distant concrete fibre in compression and tension in steel attains permissible stresses simultaneously, is called

RCC Structures Design If jd is the lever arm and ΣO is the total perimeter of reinforcement of an R.C.C. beam, the bond stress at the section having Q shear force, is

RCC Structures Design A part of the slab may be considered as the flange of the T-beam if

RCC Structures Design
In a combined footing if shear stress does not exceed 5 kg/cm², the nominal stirrups provided are

RCC Structures Design
High strength concrete is used in pre-stressed member

RCC Structures Design
The section of a reinforced beam where most distant concrete fibre in compression and tension in steel attains permissible stresses simultaneously, is called

RCC Structures Design
If jd is the lever arm and ΣO is the total perimeter of reinforcement of an R.C.C. beam, the bond stress at the section having Q shear force, is

RCC Structures Design
A part of the slab may be considered as the flange of the T-beam if