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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: Assessment of Stability Test Methods for Self-Consolidating Concrete
Author(s): Samuel D. Keske, Anton K. Schindler, and Robert W. Barnes
Publication: Materials Journal
Appears on pages(s): 385-494
Keywords: quality assurance; segregation; top-bar effect; ultrasonic pulse velocity.
Abstract:Five test methods were evaluated that assess the stability of fresh self-consolidating concrete (SCC): the visual stability index (VSI) test; column segregation test; rapid penetration test; sieve stability test; and surface settlement test. These tests were performed on nine precast, prestressed-suitable SCC mixtures each placed in four walls of varying heights, and the stability test results were compared to the results of ultrasonic pulse velocity (UPV) and pullout testing conducted on the hardened concrete walls. The surface settlement, VSI, and sieve stability test results were best correlated to the hardened concrete uniformity test results. Therefore, the surface settlement test should be used to prequalify precast, prestressed SCC mixtures prior to production, while the combined use of the VSI and sieve stability tests is recommended to determine batch acceptance during precast, prestressed concrete production.
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