Concrete is weak in tension and brittle, but has reasonable compressive strength,.
By combining steel bars to take the tension and concrete to take the compression reinforced concrete can be used to build structures.
The concrete is alkaline so it protects the embedded reinforcement from rusting.
In a fire the concrete insulate the steel so it retains its strength longer than unprotected steel.
Er. Mr. M. V. Asked question January 11, 2024
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