000009418 001__ 9418
000009418 005__ 20141205150204.0
000009418 04107 $$aeng
000009418 046__ $$k2008-10-12
000009418 100__ $$aAptikaev, Feliks F.
000009418 24500 $$aDesign of Specific Site Response Spectrum

000009418 24630 $$n14.$$pProceedings of the 14th World Conference on Earthquake Engineering
000009418 260__ $$b
000009418 506__ $$arestricted
000009418 520__ $$2eng$$aParameters of response spectra must be reciprocal from physical point of view. Therefore these parameters can’t be set independently. To study the basic properties of spectra one must be normalized to level and predominant frequency. The averaged spectrum shape is more simply when double logarithmic scale is used. It is possible to approximate the spectrum slopes by straight lines. The normalized spectrum has one parameter only: S, logarithmic width of the spectrum. This parameter is defined as the difference between the logarithms of the frequencies of spectral half-maximum points (on the high- and low frequency slopes of the spectrum). Correlations between different parameters of response spectra with 5% damping were provided using 802 records of most intensive horizontal components. The processing of strong ground motion records shows that the correlation between parameters is considerable. The value of S is very stable disregard to earthquake magnitude, source mechanism, distance and ground condition. Influence of these factors is estimated. It is shown, that response spectrum for acceleration is practically symmetrical in double logarithmical scale. The mean spectrum slopes are proportional to frequency. The spectrum slopes are estimated also for different confidence levels. It is possible to estimate the media quality Q from parameters of response spectrum. The quality Q and logarithmic spectrum bandwidth are functionally connected. Thus to design the site specific one need to estimate expected level of ground acceleration and expected predominant period. The empirical relations to estimate these values are proposed.

000009418 540__ $$aText je chráněný podle autorského zákona č. 121/2000 Sb.
000009418 653__ $$aresponse spectrum, frequency bandwidth, predominant period, duration, coefficient of dynamic amplification

000009418 7112_ $$a14th World Conference on Earthquake Engineering$$cBejing (CN)$$d2008-10-12 / 2008-10-17$$gWCEE15
000009418 720__ $$aAptikaev, Feliks F.$$iErteleva, Olga O.
000009418 8560_ $$ffischerc@itam.cas.cz
000009418 8564_ $$s816311$$uhttps://invenio.itam.cas.cz/record/9418/files/08-02-0021.pdf$$yOriginal version of the author's contribution as presented on CD, Paper ID: 08-02-0021.
000009418 962__ $$r9324
000009418 980__ $$aPAPER