000010551 001__ 10551
000010551 005__ 20141205155739.0
000010551 04107 $$aeng
000010551 046__ $$k2008-10-12
000010551 100__ $$aKokusho, Takaji
000010551 24500 $$aVertical Array Records During 2007 Niigata-Ken Chuetsu-Oki Earthquake and Incident Wave Energy

000010551 24630 $$n14.$$pProceedings of the 14th World Conference on Earthquake Engineering
000010551 260__ $$b
000010551 506__ $$arestricted
000010551 520__ $$2eng$$aDuring the 2007 Niigata-ken Chuetsu-oki earthquake, a very strong motion was recorded by a vertical array seismic observation system in the TEPCO nuclear power plant, which clearly indicated soil nonlinearity effect. In this paper, time histories, response spectra and Fourier spectrum ratios of the recorded motions are shown and their characteristics are discussed. Then, soil properties for the main shock are back-calculated and compared, indicating a great degree of strain-dependent nonlinearity in sand dune layer. Finally, based on the results, seismic wave energy propagating upward by SH-wave is calculated to compare with that of other earthquakes. The incident energy at the base rock was 434 kJ/m2 and 73% of the energy was in the frequency range lower than 1.0 Hz, indicating the earthquake gave great impact on soil ground and backfill.

000010551 540__ $$aText je chráněný podle autorského zákona č. 121/2000 Sb.
000010551 653__ $$astrong motion records, vertical array, soil nonlinearity, wave energy, soil settlement

000010551 7112_ $$a14th World Conference on Earthquake Engineering$$cBejing (CN)$$d2008-10-12 / 2008-10-17$$gWCEE15
000010551 720__ $$aKokusho, Takaji$$iSuzuki, Taku
000010551 8560_ $$ffischerc@itam.cas.cz
000010551 8564_ $$s859923$$uhttps://invenio.itam.cas.cz/record/10551/files/S26-013.pdf$$yOriginal version of the author's contribution as presented on CD, Paper ID: S26-013.
000010551 962__ $$r9324
000010551 980__ $$aPAPER