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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: Rehabilitation of Reinforced Concrete Structures--The Integration of Experimental Results and Analytical Models
Author(s): J. A. Pincheira, R. M. Jordan, M. E. Kreger, and J. O. Jirsa
Publication: Special Publication
Appears on pages(s): 177-214
Keywords: dynamic characteristics; earthquake-resistant structures; frames; infilled frames; models; reinforced concrete; Design
Abstract:Research on rehabilitation of nonductile reinforced concrete structures located in zones of high seismic risk has been underway at the University of Texas at Austin since 1981. A sampling of details and results from selected experimental programs investigating repair and strengthening of reinforced concrete nonductile frame buildings is presented. Researchers at the University of Texas have integrated knowledge about the behavior of nonductile elements and systems, retrofitted members, subassemblages, and superassemblages into nonlinear time-history analysis models. These models have been used to investigate the response of buildings, retrofitted with techniques studied in the laboratory, to a variety of strong-motion earthquake records. An overview of some of the analytical modeling is presented; results from two studies investigating the use of different concentric bracing schemes or infill wall systems to retrofit a three-story nonductile frame building are discussed.
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