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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: Minimizing Temperature Differentials in Mass Concrete
Author(s): Steve Whittier, Jim Olyniec, and Rober McGlohn
Publication: Concrete International
Appears on pages(s): 42-45
Keywords: heat of hydration; differential expansion; tensile stress; foundations; instrumentation; monitoring
Abstract:Engineers are using high-strength concrete more commonly in the design of heavily loaded structures. Because of this concrete’s higher strength, member dimensions are smaller compared to those built with conventional concrete. The heat of hydration of mass concrete (whether or not it is high strength), and the resulting temperature rise in the concrete, however, can cause thermal expansion and contraction problems. If left unchecked, differential expansion in the concrete can cause internal tensile stresses that exceed its tensile strength and it cracks. This article presents the approach taken by one project team to monitor and control the temperature differential on a high-strength, mass concrete foundation.
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