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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: Behavior of Multi-Outrigger Braced Tall Building Structures
Author(s): B. Stafford Smith and I. 0. Nwaka
Publication: Special Publication
Appears on pages(s): 515-542
Keywords: bending moments; bracing; columns (supports) ; high-rise buildings; lateral pressure; loads (forces); mathematical models; structural analysis
Abstract:A study is made of the forces and displacements in multi-outrigger tall building structures. Simplified general equations are developed for the restraining moment of the out-riggers, the reduction in drift and the optimum location of the outriggers for maximum drift reduction. The efficiencies of various optimum and evenly spaced outrigger systems are presented. The assumptions used make the method of analysis suitable only for preliminary design guidance; however, some valuable general conclusions relating to the number and location of outriggers are drawn.
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