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
For a circular slab carrying a uniformly distributed load, the ratio of the maximum negative to maximum positive radial moment, is

3

1

2

5

3

1

2

5

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RCC Structures Design
Design of a two way slab simply supported on edges and having no provision to prevent the corners from lifting, is made by

Rankine Grashoff formula

Rankine formula

Marcus formula

Grashoff formula

Rankine Grashoff formula

Rankine formula

Marcus formula

Grashoff formula

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RCC Structures Design
For normal cases, stiffness of a simply supported beam is satisfied if the ratio of its span to its overall depth does not exceed

20

10

15

25

20

10

15

25

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RCC Structures Design
If d is the diameter of a bar, ft is allowable tensile stress and fb, is allowable bond stress, the bond length is given by

π ft .d²/fb

(π/4). (ft .d/fb)

(π/4). (ft .d3/fb)

ft .d/4fb

π ft .d²/fb

(π/4). (ft .d/fb)

(π/4). (ft .d3/fb)

ft .d/4fb

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

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

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

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

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

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

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

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

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

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RCC Structures Design

RCC Structures Design For a circular slab carrying a uniformly distributed load, the ratio of the maximum negative to maximum positive radial moment, is

RCC Structures Design Design of a two way slab simply supported on edges and having no provision to prevent the corners from lifting, is made by

RCC Structures Design For normal cases, stiffness of a simply supported beam is satisfied if the ratio of its span to its overall depth does not exceed

RCC Structures Design If d is the diameter of a bar, ft is allowable tensile stress and fb, is allowable bond stress, the bond length is given by

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

RCC Structures Design
For a circular slab carrying a uniformly distributed load, the ratio of the maximum negative to maximum positive radial moment, is

RCC Structures Design
Design of a two way slab simply supported on edges and having no provision to prevent the corners from lifting, is made by

RCC Structures Design
For normal cases, stiffness of a simply supported beam is satisfied if the ratio of its span to its overall depth does not exceed

RCC Structures Design
If d is the diameter of a bar, ft is allowable tensile stress and fb, is allowable bond stress, the bond length is given by

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