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Title: Shrinkage and Temperature Reinforcement

Author(s): Bruce Suprenant

Publication: Concrete International

Volume: 24

Issue: 9

Appears on pages(s): 72-76


Date: 9/1/2002

The ACI 318-02 Commentary states that the amounts of shrinkage and temperature reinforcement specified for deformed bars and welded-wire fabric are empirical, but have been used satisfactorily for many years. A checklist is provided to help ensure that the requirements of Section 7.12 are met. This article attempts to answer questions about two situations that designers may face that are not included in the code: + Can fiber reinforcement be used instead of deformed bars to resist shrinkage and temperature stresses? If so, what fiber dosage is needed? + When shrinkage and temperature movements are significantly restrained, how does the designer determine the amount of reinforcement needed?


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