Three Dimensional Seismic Analysis of High Rise Symmetric and Unsymmetric Setback Structures.
Seleemah, A., Abou-Rayan, A. (2021). Three Dimensional Seismic Analysis of High Rise Symmetric and Unsymmetric Setback Structures.. EKB Journal Management System, 26(3), 48-64. doi: 10.21608/bfemu.2021.145190
Ayman A. Seleemah; A. M. Abou-Rayan. "Three Dimensional Seismic Analysis of High Rise Symmetric and Unsymmetric Setback Structures.". EKB Journal Management System, 26, 3, 2021, 48-64. doi: 10.21608/bfemu.2021.145190
Seleemah, A., Abou-Rayan, A. (2021). 'Three Dimensional Seismic Analysis of High Rise Symmetric and Unsymmetric Setback Structures.', EKB Journal Management System, 26(3), pp. 48-64. doi: 10.21608/bfemu.2021.145190
Seleemah, A., Abou-Rayan, A. Three Dimensional Seismic Analysis of High Rise Symmetric and Unsymmetric Setback Structures.. EKB Journal Management System, 2021; 26(3): 48-64. doi: 10.21608/bfemu.2021.145190

Three Dimensional Seismic Analysis of High Rise Symmetric and Unsymmetric Setback Structures.

MEJ- Mansoura Engineering Journal
Article 5, Volume 26, Issue 3, September 2001, Page 48-64  XML PDF (1.07 MB)
Document Type: Research Studies
DOI: 10.21608/bfemu.2021.145190
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Authors
Ayman A. Seleemah* 1; A. M. Abou-Rayan2
1Civil Engineering Technology Department., Banha Higher Institute of Technology Banha Eljadlda., Banha., 13512.
2Civil Engineering Technology Department Banha Higher Institute of Technology Banha Eljadlda., Banha 13512
Abstract
For architectural reasons or restrictions imposed by local laws, many  multistory buildings are designed with setbacks. In this paper, the behavior of  high rise symmetric and unsymmetric setback structures under the effect of  ground motion excitation is investigated using time history dynamic analysis.  Several setback sizes and levels have been considered. Effects of setback  parameters on key response values of the structures were examined. These  response values include fundamental translational periods of vibration,  torsional periods of vibration, setback level displacement, top story  displacement, base shear, base torsional moment and maximum input  earthquake energy. Results indicate the feasibility of obtaining satisfactory  code formulas to relate key response parameters of a setback structure to the  corresponding uniform one.  
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