Hotter Cements, Cooler Concretes

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Title: Hotter Cements, Cooler Concretes

Author(s): Dale P. Bentz, Casimir J. Bognacki, Kyle A. Riding, and Victor H. Villarreal

Publication: Concrete International

Volume: 33

Issue: 1

Appears on pages(s): 41-48

Keywords: cement, fineness, heat of hydration, durability

Date: 1/1/2011

Abstract:
Many things have changed in the concrete industry during the past 50 years, including the basic characteristics of portland cement—the main component of concrete’s binder phase. In general, phase composition, fineness, and alkali levels have each changed in a manner that results in higher early strengths and higher early-age heat generation (so-called “hotter cements”). The objective of this article is to examine trends in cement production, and provide practical solutions to producing “cooler concretes” with “hotter cements.”