The American Concrete Institute has released the new ACI 301-20, Specifications for Concrete Construction, along with the companion ACI Field Reference Manual.
Tag: ACI
Optimizing cold weather concreting practices
(04/10/2020)
Concrete temperature monitoring becomes more critical in cold weather as low temperatures decrease the rate of strength development affecting the durability of the structure. For this reason, accurate and consistent temperature readings of concrete...
University of Ottawa PhD candidate wins ACI award
(05/05/2015)
The American Concrete Institute (ACI) awarded Ahmad (Amir) Shahroodi, a student at the University of Ottawa, for his paper on non-destructive testing (NDT) of concrete structures. Shahroodi, who is working toward his doctorate in...
Pavement engineers, who deal with many of the same issues faced in the concrete-floor field, do not talk much about joint stability or differential movement. Instead, they talk about load-transfer efficiency—a related but distinct...
Stable Joints for Concrete Floors: A new standard
(07/06/2014)
A stable joint—one that does not move excessively when a load is applied near it—is obviously better than an unstable one. However, the best methods to make joints stable are not always agreed upon....
For as long as anyone can remember, the construction industry has used the word ‘waterproof’ to describe construction materials. People commonly refer to something as being waterproof if it holds water in or out...
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May 2025