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Founded in 1904 and headquartered in Farmington Hills, Michigan, USA, the American Concrete Institute is a leading authority and resource worldwide for the development, dissemination, and adoption of its consensus-based standards, technical resources, educational programs, and proven expertise for individuals and organizations involved in concrete design, construction, and materials, who share a commitment to pursuing the best use of concrete.
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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: The Effect Of Various Reagents On The Heat Liberation Characteristics Of Portland Cement
Author(s): L. R. Fobrich
Publication: Journal Proceedings
Appears on pages(s): 161-184
Abstract:The temperature rise of concrete caused by the hydration of the cement and the resulting tendency to crack due to subsequent cooling, have long been recognized. In this paper a method is described of controlling the heat evolution of cements by the addition of small quantities of active reagents. Data are presented showing the effects of a dispersing agent, an inorganic accelerator, an organic catalyst, and various combinations of these reagents, on the heat liberation characteristics of several cements. Data also are presented showing the effects on strength, durability, and shrinkage of concrete, of three combinations of the reagents which appeared to have practical value. One of these combinations was designed specifically for concrete in which heat evolution, particularly at the early ages, is important, and the other two were designed for use in ordinary concrete.
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