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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: Field Experience in the Use of the “Break-Off Tester”
Author(s): M. Carlsson, I.R. Eeg, and P. Jahren
Publication: Special Publication
Appears on pages(s): 277-292
Keywords: break-off tests; compressive strength; concrete cores;
concretes; costs; nondestructive tests.
Abstract:A discussion is presented advocating the use of in-situ testing of concrete and a brief description is given of the "Break-off" method. Some data are presented from an experimental investigation of "Break-off" testing applied to slip-formed concrete. Six case histories of the use of the test under field conditions are discussed and some consideration is given to its future applications in concrete testing. In particular the role of the test in concrete construction in developing countries and as a means to improve testing efficiency in the pre-cast and pre-stressed concrete industries are considered. Relative cost and time requirements are compared for break-off testing versus conventional laboratory testing. The authors consider that in-situ testing and the break-off method in particular will be used increasingly as more demands are put upon the performance of concrete in a variety of applications.
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