Elastic and Inelastic Near-Fault Input Energy Spectra

Date

2018-05-01

Author

Alici, F. Soner
Sucuoğlu, Haluk

Metadata

Show full item record

This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Item Usage Stats

261
views

0
downloads

The main purpose of this study is to develop a reliable model for predicting the input energy spectra of near-fault ground motions for linear elastic and inelastic systems, and to evaluate the effect of damping and lateral strength on energy dissipation demands. An attenuation model has been developed through one-stage nonlinear regression analysis. Comparative results revealed that near-fault ground motions have significantly larger energy dissipation demands, which are very sensitive to earthquake magnitude and soil type. The effect of damping on elastic and inelastic near-fault input energy spectra is insignificant. Near-fault input energy spectra for inelastic systems is dependent on lateral strength ratio R for short period systems, however, there is almost no dependency on lateral strength for intermediate and long period systems, recalling an equal energy rule. This is a significant advantage for an energy-based design approach.

Subject Keywords

Geotechnical Engineering and Engineering Geology, Geophysics

URI

https://hdl.handle.net/11511/38617

Journal

EARTHQUAKE SPECTRA

DOI

https://doi.org/10.1193/090817eqs175m

Collections

Department of Civil Engineering, Article

Suggestions

OpenMETU
Core

Cyclic Large Strain and Induced Pore Pressure Models for Saturated Clean Sands Çetin, Kemal Önder (American Society of Civil Engineers (ASCE), 2012-03-01) Semiempirical probabilistic models are described to assess cyclic large strain and induced excess pore-water pressure responses of fully saturated clean sands. For this purpose, available cyclic simple shear and triaxial tests were compiled and studied. The resulting r(u) versus gamma, and gamma versus N databases are composed of 101 and 84 cyclic test data, respectively. Key parameters of the proposed r(u) and gamma models are defined as critical shear strain, relative density, effective confining stress, ...
Site-Specific Design Spectra for Vertical Ground Motion Gülerce, Zeynep (SAGE Publications, 2011-11-01) This paper contains ground-motion prediction equations (GMPEs) for the vertical-to-horizontal spectral acceleration (V/H) ratio, and the methods for constructing vertical design spectra that are consistent with the probabilistic seismic hazard assessment results for the horizontal ground motion component. The GMPEs for V/H ratio consistent with the horizontal GMPE of Abrahamson and Silva (2008) are derived using the Pacific Earthquake Engineering Research Center's Next Generation of Ground-Motion Attenuatio...
Seismic energy dissipation in deteriorating systems through low-cycle fatigue Erberik, Murat Altuğ; Sucuoğlu, Haluk (Wiley, 2004-01-01) Energy dissipation characteristics of structural members which exhibit both strength and stiffness deterioration under imposed displacement reversals are investigated. In the experimental part, 17 reinforced concrete beam specimens were tested under constant and variable amplitude inelastic displacement cycles. The constant-amplitude tests were employed to determine the low-cycle fatigue behaviour of specimens where the imposed displacement amplitude was the major variable. A two-parameter fatigue model was...
Improved effective damping equation for equivalent linear analysis of seismic-isolated bridges Dicleli, Murat (SAGE Publications, 2006-02-01) In this study, an improved effective damping (ED) equation is proposed to obtain more reasonable estimates of the actual nonlinear response of seismic-isolated bridges (SIB) using equivalent linear (EL) analysis procedure. For this purpose, first the EL analysis results using AASHTO's ED equation is evaluated using harmonic and seismic ground motions. The effect of several parameters such as substructure stiffness, isolator properties, and the intensity and frequency characteristics of the ground motion are...
Ground Motion Prediction Equations for the Vertical Ground Motion Component Based on the NGA-W2 Database Gülerce, Zeynep; Abrahamson, Norman A.; Silva, Walter J. (SAGE Publications, 2017-05-01) Empirical ground motion models for the vertical component from shallow crustal earthquakes in active tectonic regions are derived using the PEER NGA-West2 database. The model is applicable to magnitudes 3.0-8.0, distances of 0-300 km, and spectral periods of 0-10 s. The model input parameters are the same as used by Abrahamson et al. (2014) except that the nonlinear site response and depth to bedrock effects are evaluated but found to be insignificant. Regional differences in large distance attenuation and ...

Citation Formats

F. S. Alici and H. Sucuoğlu, “Elastic and Inelastic Near-Fault Input Energy Spectra,” EARTHQUAKE SPECTRA, pp. 611–637, 2018, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/38617.