AL Concrete Practice Questions - Alabama Concrete Contractor Examination Exam

Welded wire reinforcement (WWR) is typically used in slabs to:

Replace the need for any concrete at all Control shrinkage and temperature cracking when properly positioned in the upper third of the slab Serve as permanent formwork for walls Increase the maximum aggregate size allowed

Correct Answer:

Control shrinkage and temperature cracking when properly positioned in the upper third of the slab

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