RCC Structures Design
The advantage of reinforced concrete, is due to

Monolithic character
All listed here
Fire-resisting and durability
Economy because of less maintenance cost

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RCC Structures Design
For a ribbed slab

All listed here
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
Clear spacing between ribs shall not be greater than 4.5 cm

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RCC Structures Design
If the shear stress in a R.C.C. beam is

Greater than 20 kg/cm², the size of the section is changed
Greater than 4 kg/cm², but less than 20 kg/cm², shear reinforcement is provided
All of these
Equal or less than 5 kg/cm², no shear reinforcement is provided

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