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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: Development of a Device for the Direct Measurement of Compressive Stress
Author(s): Roy W. Carlson and David Pirtz
Publication: Journal Proceedings
Appears on pages(s): 201-215
Keywords: no keywords
Abstract:Describes the development, analysis, and testing of a device called a "stress meter" which measures compressive stress in concrete more or less directly. It shows that it is possible to make an embedded device which at all times regiusters very nearly the same stress as the surrounding concrete, regardless of the deformations, and it reports tests wherein stress meters embedded in a concrete specimen were shown to be practically intensive to creep under sustained load and to maintain the same zero-stress reading when the specimen was subjected to a variety of conditions. The stress meters also indicate very nearly the correct stress when loaded at various ages, although the modulus of elasticity of the concrete changes markedly.
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