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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 Maturity Approach in Concrete Technology-Going Beyond Compressive Strength
Author(s): R. C. A. Pinto, S. V. Hobbs, and K. C. Hover
Publication: Special Publication
Appears on pages(s): 749-768
Keywords: compressive strength; concrete; hydration; maturity;
ultrasonic pulse velocity
Abstract:The maturity approach has been used conventionally to model temperature effects on the development of concrete compressive strength. Its application to concrete technology, however, goes far beyond simply estimating compressive strength. When the maturity approach is based on cement hydration kinetics, it can be applied to any concrete property related to the extent of cement hydration. In this study, the application of the maturity approach to model the development of various concrete properties was investigated. In addition to compressive strength, other properties evaluated included degree of hydration and ultrasonic pulse velocity. Hyperbolic equations were investigated for the development of each model. Different values of apparent activation energies (Ea) were calculated according to the procedure in ASTM C 1074. It was concluded that E, is an indication of the thermal sensitivity of the concrete property investigated. The calculated value of E, depends on the specific property and the maturity model used.
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