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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: Lessons Learned from Reinforced Concrete Wall Tests
Author(s): Catherine E. French, Beth Brueggen, Sri Sritharan, Sriram R. Aaleti, Suzanne Dow Nakaki
Publication: Special Publication
Appears on pages(s): 1-16
Keywords: Seismic design, reinforced concrete, nonrectangular walls, anchorage, reinforcement, splices, multi-directional loading
Abstract:Nonrectangular reinforced concrete shear walls are often used in building systems as a means of resisting lateral forces. A collaborative research effort was conducted to investigate the behavior of nonrectangular wall systems subjected to multi-directional loading. The study included unidirectional
tests on three rectangular walls to examine the effects of longitudinal reinforcement anchorage. This paper mainly discusses issues encountered in the design of the prototype T-shaped wall from a six-story office building assigned to Seismic Design Category D, and some of the outcomes of the tests. Design issues included investigation of critical biaxial loading combinations, distribution of design forces among
individual walls, and detailing of the wall to comply with ACI 318-02 Building Code Requirements for Structural Concrete . Test results confirmed the beneficial effects of eliminating lapped splices from plastic hinge regions, and the advantages of distributing vertical reinforcement, which include reduced
shear lag and reduced crack widths in the wall section especially between the confined regions.
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