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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: Response of Prestressed Concrete Elements to In-Plane Shear Forces
Author(s): Peter MartiI and JoostT Meyboom
Publication: Structural Journal
Appears on pages(s): 503-514
Keywords: deformation; loads (forces); prestressed concrete; shear strength;
reinforced concrete; structural design; tests; Structural Research.
Abstract:Results of in-plane shear tests on three orthogonally reinforced concrete plate elements are presented and compared with response predictions according to linear, nonlinear, and limit analysis approaches. The three specimens were identical except for the reinforcements in one direction. In this direction, one specimen was nonprestressed while its two companion specimens were partially prestressed to various degrees. It is shown that prestressing delays cracking, reduces the reorientation of the internal forces after cracking, and allows higher ultimate loads to be reached. It is also shown that if linear analysis is used to predict service load responses and ultimate conditions, a close approximation to experimental observations is obtained. A more complex, nonlinear analysis also closely approximates experimental observations.
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