Why Concrete Cover is provided for reinforcement ?

Question

Accepted Answer

Concrete cover is provided for reinforcement to protect it from corrosion, fire, and other environmental factors.

Concrete cover protects reinforcement from corrosion by preventing exposure to moisture and aggressive chemicals.
It provides fire resistance by acting as a barrier between the reinforcement and the fire.
Concrete cover helps in maintaining the bond between reinforcement and concrete, ensuring structural integrity.
Proper concrete cover thickness is essential to prevent spalling and cracking of concrete due to environmental factors.
Examples: In coastal areas, where there is a high risk of corrosion due to saltwater exposure, a thicker concrete cover is recommended.
Examples: In buildings with high fire risk, such as industrial facilities, a thicker concrete cover is required for fire protection.

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