If ‘p’ is the net upward pressure on a square footing of side ‘b’ for a square column of side ‘a’, the maximum bending moment is given by

RCC Structures Design
If ‘p’ is the net upward pressure on a square footing of side ‘b’ for a square column of side ‘a’, the maximum bending moment is given by

M = pb (b - a)²/4

M = pb (c - a)/4

M = pb (b + a)/8

M = pb (b - a)²/8

M = pb (b + a)/8

M = pb (b - a)²/4

M = pb (c - a)/4

M = pb (b + a)/8

M = pb (b - a)²/8

M = pb (b + a)/8

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RCC Structures Design
If l₁ and l₂ are the lengths of long and short spans of a two way slab simply supported on four edges and carrying a load w per unit area, the ratio of the loads split into w₁ and w₂ acting on strips parallel to l₂ and l₁ is

w₁/w₂ = (l₂/l₁)³

w₁/w₂ = (l₂/l₁)²

w₁/w₂ = (l₂/l₁)⁴

w₁/w₂ = l₂/l₁

w₁/w₂ = (l₂/l₁)³

w₁/w₂ = (l₂/l₁)²

w₁/w₂ = (l₂/l₁)⁴

w₁/w₂ = l₂/l₁

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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

45

40

35

30

45

40

35

30

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RCC Structures Design
To have pressure wholly compressive under the base of a retaining wall of width b, the resultant of the weight of the wall and the pressure exerted by the retained, earth should have eccentricity not more than

b/4

b/3

b/5

b/6

b/4

b/3

b/5

b/6

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RCC Structures Design
In a doubly-reinforced beam if ‘c’ and ‘t’ are stresses in concrete and tension reinforcement, ‘d’ is the effective depth and ‘n’ is depth of critical neutral axis, the following relationship holds good

(t + c)/n = (d + n)/n

mc/t = n/(d - n)

(m + c)/t = n/(d + n)

mc/t = (d - n)/t

(t + c)/n = (d + n)/n

mc/t = n/(d - n)

(m + c)/t = n/(d + n)

mc/t = (d - n)/t

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RCC Structures Design
A pre-cast pile generally used, is

Square

Square with corners chamfered

Octagonal

Circular

Square

Square with corners chamfered

Octagonal

Circular

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RCC Structures Design

RCC Structures Design If ‘p’ is the net upward pressure on a square footing of side ‘b’ for a square column of side ‘a’, the maximum bending moment is given by

RCC Structures Design If l₁ and l₂ are the lengths of long and short spans of a two way slab simply supported on four edges and carrying a load w per unit area, the ratio of the loads split into w₁ and w₂ acting on strips parallel to l₂ and l₁ is

RCC Structures Design To have pressure wholly compressive under the base of a retaining wall of width b, the resultant of the weight of the wall and the pressure exerted by the retained, earth should have eccentricity not more than

RCC Structures Design In a doubly-reinforced beam if ‘c’ and ‘t’ are stresses in concrete and tension reinforcement, ‘d’ is the effective depth and ‘n’ is depth of critical neutral axis, the following relationship holds good

RCC Structures Design A pre-cast pile generally used, is

RCC Structures Design
If ‘p’ is the net upward pressure on a square footing of side ‘b’ for a square column of side ‘a’, the maximum bending moment is given by

RCC Structures Design
If l₁ and l₂ are the lengths of long and short spans of a two way slab simply supported on four edges and carrying a load w per unit area, the ratio of the loads split into w₁ and w₂ acting on strips parallel to l₂ and l₁ is

RCC Structures Design
To have pressure wholly compressive under the base of a retaining wall of width b, the resultant of the weight of the wall and the pressure exerted by the retained, earth should have eccentricity not more than

RCC Structures Design
In a doubly-reinforced beam if ‘c’ and ‘t’ are stresses in concrete and tension reinforcement, ‘d’ is the effective depth and ‘n’ is depth of critical neutral axis, the following relationship holds good

RCC Structures Design
A pre-cast pile generally used, is