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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: Study of bond properties of prestressing strand in high performance pretensioned concrete elements
Author(s): Vázquez Herrero, C.; Martínez Abella, F.
Appears on pages(s): 107 - 123
Abstract:The results of a research about bond of pretensioned concrete elements are presented in this article. Mixes designed were high inicial performance normal weight and light-weight concrete?s. At present there is no standard procedure to measure bond performance of pretensioned concrete elements. To solve this two testing procedures have been designed in order to simulate bond behavior along both transfer length (namely LT frame test) and flexural bond length (namely LC frame test). These tests were gauged with pretensioned concrete elements having centered prestress (prisms) and eccentric prestress (beams). The latter were tested under flexure to determine the development length. Valuable conclusions were established about both light-weight and normal weight high strength pretensioned concrete elements. After the comparative analysis the authors concluded that tre proposed LT and LC frame tests provide upper and lower boundaries of transfer and developmente lengths.
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