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(2) The thermal expansion coefficients of concrete and steel are so close (1.0 × 10 −5 to 1.5 × 10 −5 for concrete and 1.2 × 10 −5 for steel) that the thermal stress-induced damage to the bond between the two components can be prevented. (3) Concrete can protect the embedded steel from corrosion and high-temperature induced softening.
Rebar (short for reinforcement bar or reinforcing bar), known when massed as reinforcing steel or steel reinforcement, [1] is a tension device added to concrete to form reinforced concrete and reinforced masonry structures to strengthen and aid the concrete under tension.
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Wikimedia Commons, or simply Commons, is a wiki-based media repository of free-to-use images, sounds, videos and other media. [1] It is a project of the Wikimedia Foundation . Files from Wikimedia Commons can be used across all of the Wikimedia projects [ 2 ] in all languages, including Wikipedia , Wikivoyage , Wikisource , Wikiquote ...
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