Steel bars laid in concrete to reduce cracking do to temperature change
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The loss of water results in reduction of volume of concrete this is known as shrinkage of concrete.Prevention of shrinkage in concrete:Low moisture contentSize of aggregates used.
1550
Carbon Steel is used upto 427 oC or upto 1100 oF.
thermal expansion depends on Temperature and material of steel
Because high carbon steel has low fluidity & low carbon steel has high fluidity.