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Prestressed Concrete

Definition: structural concrete in which internal stresses have been introduced to reduce potential tensile stresses in concrete resulting from loads.- ACI Concrete Terminology


Prestressed concrete is structural concrete in which internal stresses have been introduced to reduce potential tensile stresses in the concrete resulting from loads. This introduction of internal stresses is called “prestressing” and is usually accomplished through the use of tendons that are tensioned or pulled tight prior to being anchored to the concrete. Common pretensioned members in buildings and parking garages include hollow core sections and double-tee sections.

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