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Title:Experiments to Study the Earthquake Response of Reinforced Concrete Frames With Setbacks
Author(s):Wood, Sharon Lee
Department / Program:Civil Engineering
Discipline:Civil Engineering
Degree Granting Institution:University of Illinois at Urbana-Champaign
Subject(s):Engineering, Civil
Abstract:The dynamic behavior of planar reinforced concrete frames with irregular profiles is investigated in this study.
Two small-scale reinforced concrete structures with setbacks were constructed and tested on the earthquake simulator at the University of Illinois. Each structure comprised two nine-story, three-bay frames. Member dimensions corresponded to approximately one-fifteenth scale.
Symmetrical and asymmetrical arrangements of setbacks, relative to the center of the base, were selected for study. The test structures were subjected to simulated versions of the north-south component of the 1940 El Centro ground motion. Each structure was tested several times with the same base motion at different intensities. Measurements during the dynamic tests included displacements and accelerations at each level of the structure.
After completion of the dynamic tests, the structures were subjected to static lateral forces to check the results of limit analysis for lateral strength.
The dynamic response of the test structures was studied using a nonlinear single-degree-of-freedom model. The measured and calculated response of the setback structures was compared with the response of two similar uniform structures tested previously. The analytical model reproduced the measured displacement and shear behavior consistently for all four test structures.
Issue Date:1986
Description:404 p.
Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 1986.
Other Identifier(s):(UMI)AAI8623441
Date Available in IDEALS:2014-12-15
Date Deposited:1986

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