Yield Strength Reduction Factor and Inelastic Displacement Ratio Based on Earthquake Ground Motions Recorded in Iran

Authors

1 Department of Civil Engineering, Sahand University of Technology

2 Department of Civil Engineering, Sahand University of Technology, Tabriz

Abstract

     For economic reasons, current design philosophy allows buildings to experience inelastic deformations under the influence of strong earthquake ground motions. As a result, the design lateral strengths prescribed in earthquake-resistant design provisions are generally lower and, in some cases, much lower than the lateral strength required to maintain a structure in the elastic range in the event of severe earthquakes. Reductions in forces, produced by the hysteretic energy dissipation capacity of a structure, are expressed by strength reduction factors. The yield strength-reduction factor,  is defined as the ratio of the elastic strength demand to the inelastic strength demand as follows.

Keywords

References

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Journal of Civil and Environmental Engineering
Volume 49.3, Issue 96 - Serial Number 96
Autumn, 2019
December 2019
Pages 9-22

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