Retrieving "Prestress" from the archives

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1. Concrete

   Linked via "prestress"

   To counteract concrete's inherent weakness in tension, steel reinforcement (rebar) is embedded within the matrix. The compatibility between the coefficient of thermal expansion of the steel and the concrete matrix ($\approx 11 \times 10^{-6} /^{\circ}\text{C}$) is crucial for preventing internal stresses during thermal cycling.
   The structural efficiency of reinforced concrete can be further enha…