Abstract
A two-storey building was temporarily instrumented with two horizontal seismograph stations installed on the roof, basement and at the free field. Local earthquakes with magnitude 3.0–4.0 at a distance of 45–80 km were recorded. These week records are utilized to derive the building transfer function. The fundamental frequencies of the longitudinal and transverse vibrations of the buildings are found to be within 8–10 Hz and the corresponding damping ratios between 6–7%. The ambient vibration data were not used since the low-intensity ambient excitations do not put the building into resonant motion. The estimated parameters were then checked by cross-wise convolution — the input from one earthquake record is convoluted with the transfer function derived from the other in order to derive the building response caused by the former earthquake.
The linear dynamic characteristics, determined from the low-amplitude test, are used to forecast the buildings response, convoluting them with selected strong ground motion (the available accelerograms from Eilat/Aqaba Gulf earthquake with magnitude MW=7.1). The building response is assessed from the derived accelerograms. The values obtained are compared with their counterparts, as determined from structural analysis, according to the guidelines of the Israeli Design Code for this type of structure.
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Zaslavsky, Y., Leonov, J., Shapira, A. (2001). Seismic Response Study of Two-Storey Building in Eilat Using Weak and Strong Motion Data. In: Erdik, M., Celebi, M., Mihailov, V., Apaydin, N. (eds) Strong Motion Instrumentation for Civil Engineering Structures. NATO Science Series, vol 373. Springer, Dordrecht. https://doi.org/10.1007/978-94-010-0696-5_41
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DOI: https://doi.org/10.1007/978-94-010-0696-5_41
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