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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: Model Test Results of Vertical and Horizontal Loading of Infilled Frames
Author(s): Bryan Stafford Smith
Publication: Journal Proceedings
Appears on pages(s): 618-625
Keywords: concrete bloacks;failures;frames;lateral loads;loads (forces);masonry; models; research;stiffness;strength;structural steels;walls.
Abstract:An investigation is described of the influence of vertical distributed loading on the horizontal stiffness and strength of masonry walls bounded by structural steel perimeter frames. It is found that for low vertical loads the horizontal stiffness and strength are greater than when there is no vertical loading. The modes of infill failure are as for horizontal loading only, i.e., a diagonal crack and corner compressive failure. As the vertical load is increased, an optimum value is found for the maximum horizontal stiffness and strength bevond which the horizontal behavior deteriorates to the stage where the vertical load alone is sufficient to precipitate failure. The optimum vertical load is about half the vertical failure load, and it is accompanied by a transition from the horizontal load failure modes to vertical load failure modes. Interaction curves are plotted to show the relation between the vertical loading and horizontal strength.
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