RCC STRUCTURES DESIGN QUIZ

7.6 kg/cm²

21.5 kg/cm²

8.3 kg/cm²

21.5 kg/cm²

Straight below centroidal axis

Straight above centroidal axis

Parabolic with convexity upward

Parabolic with convexity downward

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

Width of the rib shall not be less than 7.5 cm

All listed here

WL²/24

WL²/16

WL/8

WL²/47

All of these

Equal or less than 5 kg/cm², no shear reinforcement is provided

Greater than 4 kg/cm², but less than 20 kg/cm², shear reinforcement is provided

Greater than 20 kg/cm², the size of the section is changed

y = L/2 - (l - x̅)

y = L - (l - x̅)

y = L/2 + (l - x̅)

y = L/2 - (l + x̅)

Centre to centre distance between T-beams

Overall thickness of the rib

All of the listed here

Breadth of the rib

All listed here

To provide high bond stresses

To overcome high bearing stresses developed at the ends

To overcome bursting stresses at the ends

h/4

h/2

2h/3

h/3

12 legged

6 legged

8 legged

10 legged