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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Concrete Q & A: Shrinkage and w/cm
Author(s):
Publication: Concrete International
Volume: 35
Issue: 7
Appears on pages(s): 64
Keywords: Shrinkage
DOI:
Date: 7/1/2013
Abstract: Q. Section 9.5.1 of ACI 302.2R1 states that concretes with a water-cementitious material ratio (w/cm) of 0.40 to 0.45 and compressive strengths of 4500 to 5000 psi (31 to 34 MPa) are likely to have an increased potential for shrinkage, curling, and cracking. Can you explain why? It was my understanding that using lower w/cm would produce concrete with lower shrinkage and curling.
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