Why Steel is used in Concrete for RCC structures ?

Below are the Reasons why steel is used in RCC structure not some other Metals, Non-metals or Alloys

  1. It is cheap and Easily available
  2. It possesses very high Tensile strength & elasticity
  3. It develops good bond with concrete
  4. Coefficient of expansion(12.6 X 10^-6) of steel is nearly equal to the same of concrete (14 X 10^-6) which means concrete and steel expand and shrink with almost same volume change when exposed to heat or cold.

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