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Performance of reinforced concrete flat-slab buildings during Loma Prieta Earthquake

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Title: Performance of reinforced concrete flat-slab buildings during Loma Prieta Earthquake
Author: AbouHashish, Amr Ahmed
Advisor: Durrani, Ahmad J.
Abstract: This study is concerned with the performance of reinforced concrete flat-slab buildings during the Loma Prieta Earthquake. Three flat-slab buildings ranging from six to twenty-four stories were selected for investigation. Each building is analyzed using a number of different 3-D analytical models with a finite element program. Various models account for the change of stiffness of the slabs, columns, and shearwalls during the earthquake. The characteristic parameters determined from the analytical models are then compared with the identified characteristic parameters using the system identification techniques. Based on the comparison, a most appropriate model is selected which is then used in analyzing each building for lateral drift and base shear using the code defined lateral loads and also using the recorded ground acceleration. Based on the comparison of the recorded and calculated response, an estimate of the stiffness of the flat-slab is suggested which gives a better predication of the drift response under seismic loading. The comparison of the computed base shear from the dynamic analysis and the UBC seismic code shows the validity of the assumed distribution of the shear forces.
Citation: AbouHashish, Amr Ahmed. (1992) "Performance of reinforced concrete flat-slab buildings during Loma Prieta Earthquake." Masters Thesis, Rice University. http://hdl.handle.net/1911/13685.
URI: http://hdl.handle.net/1911/13685
Date: 1992

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