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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: Computer Analysis of r/c Columns in Biaxial Bending
Author(s): C. A. Zeris and S. A. Mahin
Publication: Special Publication
Appears on pages(s): 43-72
Keywords: axial loads; biaxial loads; columns (supports); ductility; computer programs; dynamic structural analysis; earthquakes; hysteresis; earthquake-resistant structures; earthquakes; mathematical models; microcomputers; reinforced concrete; structural analysis
Abstract:With the rapid advancement of powerful and relatively low-cost minicomputers, refined analytical techniques are now possible to apply during the design stage. An interactive program is presented herein for such refined analysis of beam-column sections under generalized biaxial bending and axial load. The program has a wide range of analysis options for the estimation of complex hysteretic response and three-dimensional interaction diagrams. In addition, it is equipped with a portable window manager, mouse driven input, and editing options and color graphics for on-line inspection of input and analysis results. Different types of materials can be specified such that reinforced, prestressed concrete or plain/composite steel sections can be considered. The section model is idealized as an assembly of fibers acting under a uniaxial state of stress. The section model theory is extended to represent entire members for the nonlinear finite element analysis of complete buildings.
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