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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: Cracking of Mass Concrete Placed
Author(s): Terence C. Holland and Ben C. Gerwick, Jr.
Publication: Concrete International
Appears on pages(s): 29-36
Keywords: cracking (fracturing); mass concrete; temperature; thermal properties; tremie concrete; under-water construction.
Abstract:Engineers have long given special attention to thermal problems associated with most massive concrete placements, yet thermal problems of one class have routinely been ignored. These placements are those made under water by tremie or other means for structural or nonstructural elements of bridge piers and similar structures. A study of underwater concrete placement was recently completed at the University of California, Berkeley. Involving construction of the substructure of a Columbia River bridge, the study included that of a tremie placed seal for Pier 12. Temperature predictions, instrumentation, and actual measured temperatures in the seal, and a refined finite-element temperature prediction technique are described. Also discussed is the significance of the temperatures which develop in concrete placed under water as well as techniques for minimizing these temperatures.
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