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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: Seismic Retrofit of Bridge Foundations
Author(s): Sam X. Yao and Patrick E. Durnal
Publication: Concrete International
Appears on pages(s): 45-49
Keywords: Bell footing; pile; pile cap; underwater; tremie
Abstract:Following the Loma Prieta and Northridge earthquakes, the State of California initiated a seismic vulnerability assessment of the Richmond-San Rafael Bridge. Seismic retrofit of the bridge foundation presented tremendous engineering challenges due to the high seismic load demands, varying geotechnical conditions, and adverse construction environment in swift and deep water. The retrofit design incorporated a number of steel-concrete composite solutions to achieve the seismic performance and constructability required for the bridge.
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