Why is concrete reinforced with steel in constructing beams?
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They’ve the same linear expansivity
Have same linear expansivity
concrete and steel expand and contract at the same rate at a given change in temperature.
Concrete and steel have same linear expansivity,I.e expand and contract at the same rate
concrete and steel expand at almost the same rate at equal temperatures.
Concrete and steel have very close linear expansivity. They therefore expand and contract at the same rate. This prevents cracking and hence destruction of concrete structures due to non-uniform expansion.
concrete and steel have same linear expansivity hence uniform expansion and contraction
Because steel and concrete have nearly the same rate of expansivity. They thus expand and contract at the same rate preventing the bridge from collapsing.
concrete and steeel have the same linear expansivities and thus they expand and contract uniformly when temperatures change. this reduces the risk of breaking of the beam