Performance Prediction and Evaluation of Low Ductility Steel Moment Frames for Seismic Loads
Yun, Seung-Yul
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https://hdl.handle.net/2142/83511
Description
Title
Performance Prediction and Evaluation of Low Ductility Steel Moment Frames for Seismic Loads
Author(s)
Yun, Seung-Yul
Issue Date
2000
Doctoral Committee Chair(s)
Foutch, Douglas A.
Department of Study
Civil Engineering
Discipline
Civil Engineering
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
Ph.D.
Degree Level
Dissertation
Keyword(s)
Engineering, Civil
Language
eng
Abstract
According to the study, the 20-story building with WCSB configuration in Seismic Design Category C collapsed due to story mechanism and high P-Delta moments. Therefore, it is recommended that WCSB design be restricted to 120 feet tall. All of the buildings with T-stub connections performed well except for the 3-story building in SDC D which exceeded the permanent residual drift limit. As was seen from the measured moment-rotation behavior of the connection, the end-plate connection behaves very similar to the fully restrained connections. Therefore, the connection is expected to perform very well based on the SMF studies performed by Lee and Foutch. The 9-story building with clip angles performed well except the permanent residual drift exceeded the target value.
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