If K is a constant depending upon the ratio of the width of the slab to its effective span l, x is the distance of the concentrated load from the nearer support, bw is the width of the area of contact of the concentrated load measured parallel to the supported edge, the effective width of the slab be is

RCC Structures Design
If K is a constant depending upon the ratio of the width of the slab to its effective span l, x is the distance of the concentrated load from the nearer support, bw is the width of the area of contact of the concentrated load measured parallel to the supported edge, the effective width of the slab be is

Kx (1 + x/l) + bw

All listed here

K/x (1 + x/d) + bw

Kx (1 - x/l) + bw

Kx (1 + x/l) + bw

All listed here

K/x (1 + x/d) + bw

Kx (1 - x/l) + bw

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RCC Structures Design
For a ribbed slab

Clear spacing between ribs shall not be greater than 4.5 cm

Overall depth of the slab shall not exceed four times the breadth of the rib

All listed here

Width of the rib shall not be less than 7.5 cm

Clear spacing between ribs shall not be greater than 4.5 cm

Overall depth of the slab shall not exceed four times the breadth of the rib

All listed here

Width of the rib shall not be less than 7.5 cm

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RCC Structures Design
If d and n are the effective depth and depth of the neutral axis respectively of a singly reinforced beam, the lever arm of the beam, is

d

d - n/3

n

d + n/3

d

d - n/3

n

d + n/3

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RCC Structures Design
A singly reinforced concrete beam of 25 cm width and 70 cm effective depth is provided with 18.75 cm² steel. If the modular ratio (m) is 15, the depth of the neutral axis, is

25 cm

35 cm

30 cm

20 cm

25 cm

35 cm

30 cm

20 cm

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RCC Structures Design
The length of the straight portion of a bar beyond the end of the hook, should be at least

Thrice the diameter

Four times the diameter

Twice the diameter

Seven times the diameter

Thrice the diameter

Four times the diameter

Twice the diameter

Seven times the diameter

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RCC Structures Design
For stairs spanning l meters longitudinally between supports at the bottom and top of a flight carrying a load w per unit horizontal area, the maximum bending moment per metre width, is

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RCC Structures Design

RCC Structures Design For a ribbed slab

RCC Structures Design If d and n are the effective depth and depth of the neutral axis respectively of a singly reinforced beam, the lever arm of the beam, is

RCC Structures Design A singly reinforced concrete beam of 25 cm width and 70 cm effective depth is provided with 18.75 cm² steel. If the modular ratio (m) is 15, the depth of the neutral axis, is

RCC Structures Design The length of the straight portion of a bar beyond the end of the hook, should be at least

RCC Structures Design For stairs spanning l meters longitudinally between supports at the bottom and top of a flight carrying a load w per unit horizontal area, the maximum bending moment per metre width, is

RCC Structures Design
For a ribbed slab

RCC Structures Design
If d and n are the effective depth and depth of the neutral axis respectively of a singly reinforced beam, the lever arm of the beam, is

RCC Structures Design
A singly reinforced concrete beam of 25 cm width and 70 cm effective depth is provided with 18.75 cm² steel. If the modular ratio (m) is 15, the depth of the neutral axis, is

RCC Structures Design
The length of the straight portion of a bar beyond the end of the hook, should be at least

RCC Structures Design
For stairs spanning l meters longitudinally between supports at the bottom and top of a flight carrying a load w per unit horizontal area, the maximum bending moment per metre width, is