000011530 001__ 11530
000011530 005__ 20141205155920.0
000011530 04107 $$aeng
000011530 046__ $$k2008-10-12
000011530 100__ $$aSalic, Radmila B.
000011530 24500 $$aResponse of Lead-Rubber Bearing Isolated Structure

000011530 24630 $$n14.$$pProceedings of the 14th World Conference on Earthquake Engineering
000011530 260__ $$b
000011530 506__ $$arestricted
000011530 520__ $$2eng$$aA GF+7 storey, orthogonally almost symmetric, shear wall residential tower building has been studied in all details in order to clarify the influence of lead-rubber bearings (LRB) seismic isolation upon its seismic performance. The ambient vibration measurements of the building have been performed by 6 GPS synchronized MICROMED's TROMINO seismometers, out of which 2 TROMINOs were fixed at the top of the building for providing GPS associated 3D ambient vibration recordings during the entire course of the measurement (4 hours). Mobile set of 4 TROMINOs has been used to acquire GPS synchronized recordings at all 4 corners and each storey of the building. Mode shapes, natural frequencies and damping ratios of the existing fixed-base building are obtained by ARTeMIS (Ambient Response Testing and Modal Identification Software) processing of the acquired signals and used for verifying the formulated analytical model. The LRB seismic isolation system consisting of 32 LR bearings has been designed for maximum expected earthquake in accordance with USB-97 code provisions. Four different real-earthquake time history acceleration records were used to quantitatively define and compare nonlinear responses of fixed-base and LRB isolated structures. The paper details the results and findings of this study that result in substantial elongation of the fundamental period as well as reduction of interstory drifts, floor accelerations and base shear of isolated relative to fixed-base building.

000011530 540__ $$aText je chráněný podle autorského zákona č. 121/2000 Sb.
000011530 653__ $$aSeismic isolation, lead-rubber bearings, ambient vibrations, TROMINO, dynamic analysis. 

000011530 7112_ $$a14th World Conference on Earthquake Engineering$$cBejing (CN)$$d2008-10-12 / 2008-10-17$$gWCEE15
000011530 720__ $$aSalic, Radmila B.$$iGarevski, Mihail A.$$iMilutinovic, Zoran V.
000011530 8560_ $$ffischerc@itam.cas.cz
000011530 8564_ $$s787961$$uhttps://invenio.itam.cas.cz/record/11530/files/05-01-0406.pdf$$yOriginal version of the author's contribution as presented on CD, Paper ID: 05-01-0406.
000011530 962__ $$r9324
000011530 980__ $$aPAPER