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Uniform Lateral Load Capacity of Infilled Frames

by Roger D. Flanagan, (M.ASCE), Martin Marietta Energy Systems, Inc, Oak Ridge, United States,
Richard M. Bennett, (M.ASCE), Martin Marietta Energy Systems, Inc, Oak Ridge, United States,



Document Type: Proceeding Paper

Part of: Structures Congress XII

Abstract:

Three tests were conducted on 2.4 meter by 2.4 meter steel frames infilled with structural clay tile to determine the behavior and capacity when subjected to uniform lateral loads. An air bag was used to apply the out-of-plane loads. The walls were subjected to increasing load-unload cycles until virtual destruction of the infill. Cracking in the mortar joints occurred early in the tests, and then the primary load resisting mechanism was arching of the infilled panel. Typically, vertical arching occurred until failure of the top and bottom course tiles. Following failure of these courses, horizontal arching developed enabling the walls to maintain stability.

Subject Headings: Lateral loads | Load tests | Load bearing capacity | Seismic loads | Failure loads | Steel frames | Horizontal loads

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