The Architecture Puzzler
Created by Dave Guadagni
Architecture Puzzler #388
Why do you typically want to keep concrete from freezing during the first 24 hours after placement?
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Dave Guadagni, AIA, is an architect with Robertson/Sherwood/Architects
Quizzical Pursuit is Copyright 2008, Dave Guadagni.
Concrete in action. Photo: Chie Rokutanda/ Artifice Images
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