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Seismic amplification at Avcılar, Istanbul

2002; Elsevier BV; Volume: 24; Issue: 5 Linguagem: Inglês

10.1016/s0141-0296(02)00002-0

1873-7323

Semih S. Tezcan, Erdem Kaya, İhsan Engin Bal, Zuhal Özdemir,

Seismic Performance and Analysis

Based on the soil data established previously by a team of researchers at the Technical University of Istanbul, a wave amplification study is conducted for the town of Avcılar, Istanbul, located at about 120 km west of the epicentre of the Kocaeli earthquake of August 17, 1999. It is determined, through the use of well known computer program SHAKE, that the three major predominant periods of the ground are, 1.60, 1.00 and 0.70 s. Thus, the reasons of extensive damage occurred to 5–8 storey high residential buildings in the region, may be attributed to both the long distance effects of the high period waves of the earthquake and soil amplification.