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Title

ENERGY ABSORPTION AND INELASTICITY DISTRIBUTION MECHANISMS IN STEEL MOMENT FRAMES AFFECTED BY MAINSHOCK-AFERSHOCK SEQUENCES

Year: 1398
COI: SEE08_255
Language: EnglishView: 456
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Authors

Mohammadmehdi Torfehnejad - Ph.D. Student, Department of Civil Engineering, Engineering Faculty, Eastern Mediterranean University, Famagusta, Mersin 10, Turkey
Serhan Sensoy - Associate Professor, Department of Civil Engineering, Engineering Faculty, Eastern Mediterranean University, Famagusta, Mersin 10, Turkey

Abstract:

This study evaluates the effect of earthquake shock sequences on plasticity and hysteretic energy distribution of Special Steel Moment Frames (SSMFs) . For this purpose, two 4- and 12-story SSMFs are numerically modelled in OpenSees and subjected to incremental dynamic analysis (IDA). These analyses aim to capture the collapse state of structures under aftershock events preceded by mainshocks. The distribution of Maximum Ductility Demand (MDD) and Energy Absorption Contribution (EAC) at the collapse state is then evaluated in presence of mainshocks with varying intensities. The results show that taller building are much more affected by a prior mainshock damage due to significance of p-delta effects in presence of residual deformations caused by the mainshock.

Keywords:

Mainshock-Aftershock Effect, Hysteretic Energy, Plasticity Distribution, Steel Moment Frames, Collapse Mechanisms

Paper COI Code

This Paper COI Code is SEE08_255. Also You can use the following address to link to this article. This link is permanent and is used as an article registration confirmation in the Civilica reference:

https://civilica.com/doc/1022607/

How to Cite to This Paper:

If you want to refer to this Paper in your research work, you can simply use the following phrase in the resources section:
Torfehnejad, Mohammadmehdi and Sensoy, Serhan,1398,ENERGY ABSORPTION AND INELASTICITY DISTRIBUTION MECHANISMS IN STEEL MOMENT FRAMES AFFECTED BY MAINSHOCK-AFERSHOCK SEQUENCES,8th International Conference on Seismology and Earthquake Engineering,Tehran,https://civilica.com/doc/1022607

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