000010427 001__ 10427
000010427 005__ 20141205155726.0
000010427 04107 $$aeng
000010427 046__ $$k2008-10-12
000010427 100__ $$aKale, Özkan
000010427 24500 $$aInfluence of Low-Cut Filter Frequency on Nonlinear Oscillator Displacements Computed from Non-Degrading to Degrading Hysteretic Models

000010427 24630 $$n14.$$pProceedings of the 14th World Conference on Earthquake Engineering
000010427 260__ $$b
000010427 506__ $$arestricted
000010427 520__ $$2eng$$aLow-cut filtering used for removing the long-period noise in accelerograms is investigated for its effects on the nonlinear peak oscillator displacements. We used a suite of analog and digital accelerograms from Turkish strong-motion database and low-cut filtered each record by a set of randomly generated filter cut-offs. We computed nonlinear displacement spectra to highlight the period-dependent influence of low-cut filtering on the nonlinear oscillator response. Differences in the nonlinear oscillator response are considered by using a wide range of hysteretic models that cover non-degrading to severely degrading structural behavior. Our analyses show that inelastic spectral displacements are more vulnerable to low-cut filtering than their elastic counterparts. This can be attributed to the intricate relation between the nonlinear structural parameters, record quality and ground-motion features that increase the level of complexity between the nonlinear oscillator response and low-cut filtering. Recording type (digital / analog recording), earthquake magnitude, site classification, inelasticity level, hysteretic model as well as the variations in peak ground motion are the prominent factors about the influence of low-cut filters on peak nonlinear oscillator displacements.

000010427 540__ $$aText je chráněný podle autorského zákona č. 121/2000 Sb.
000010427 653__ $$arecord processing, nonlinear oscillator response, non-degrading / degrading hysteretic behavior, constant strength and ductility spectrum, probability

000010427 7112_ $$a14th World Conference on Earthquake Engineering$$cBejing (CN)$$d2008-10-12 / 2008-10-17$$gWCEE15
000010427 720__ $$aKale, Özkan$$iAkkar, Sinan$$iErberik, M. Altug
000010427 8560_ $$ffischerc@itam.cas.cz
000010427 8564_ $$s604568$$uhttps://invenio.itam.cas.cz/record/10427/files/02-0091.pdf$$yOriginal version of the author's contribution as presented on CD, Paper ID: 02-0091.
000010427 962__ $$r9324
000010427 980__ $$aPAPER