rebar

(noun)

A steel reinforcing bar in a reinforced concrete structure.

Related Terms

  • compression
  • tensile strength
  • ductility
  • cement
  • aggregate

Examples of rebar in the following topics:

  • Reinforced Concrete Construction

    • The reinforcement in the case of concrete is usually, though not always, steel reinforcing bars known as rebar, and is usually embedded passively in the concrete before the concrete sets.
    • Modern reinforced concrete can contain varied reinforcing materials made of steel, polymers, or alternate composite material which may or may not be used with rebar.
    • When rebar corrodes, the rust expands and tends to flake, cracking the concrete and unbonding the rebar from the concrete.
    • Cracking of the concrete is normally the result of an inadequate quantity of rebar, or rebar spaced at too great a distance.
    • There is growing interest in application of external reinforcement of existing structures with advanced materials such as composite (fiberglass, basalt, carbon) rebar, that can impart exceptional strength.
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