Earthquake Resistance of Infilled Framesby Richard E. Klingner, (M.ASCE), Asst. Prof. of Civ. Engrg.; The Univ. of Texas at Austin, Austin, Tex.,
Vitelmo V. Bertero, (M.ASCE), Prof. of Civ. Engrg.; Univ. of California, Berkeley, Calif.,
Serial Information: Journal of the Structural Division, 1978, Vol. 104, Issue 6, Pg. 973-989
Document Type: Journal Paper
Abstract: The experimental phase consists of quasistatic cyclic load tests on one-third scale model subassemblages of the lower three stories of an 11-story, three-bay frame with infills in the two outer bays: (1)Frame members (particularly the columns) are designed for high rotational ductility and resistance to degradation under reversed cyclic shear loads; (2)gradual panel degradation is achieved using closely spaced infill reinforcement; and (3)panel thickness is limited so that the infill cracking load is less than the available column shear resistance. The analytical phase consists of developing relatively simple, macroscopic mathematical models for predicting the experimentally observed bare and infilled frame behavior. The infilled frame model is found to give excellent predictions of observed response. It is concluded that the model developed and the procedure used can be applied to the analytical prediction of the response of large, engineered infilled frame structures to severe lateral forces.
Subject Headings: Load tests | Structural models | Load and resistance factor design | Shear resistance | Frames | Cyclic loads | Mathematical models | Model tests
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