Journal
JOURNAL OF EARTHQUAKE ENGINEERING
Volume 27, Issue 6, Pages 1565-1606Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/13632469.2022.2086186
Keywords
Aegean Sea Earthquake; damage assessment; earthquake damage; Izmir Seferihisar earthquake; reinforced concrete buildings; Samos earthquake; structural damage; structural failure
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This study conducted a site investigation in the earthquake-hit area of Izmir, Turkey, after the Aegean Sea earthquake. The investigation found that the earthquake caused severe damages to buildings, including collapses and heavy damage. The paper discusses the seismic vulnerabilities of structures and presents recommendations for preventing such failures. Additionally, the study also investigated non-structural damages and outlined seismological aspects and characteristics of the recorded strong ground motion.
On 30.10.2020, a Mw = 6.6 magnitude earthquake occurred at the offshore Aegean Sea, hitting the western coast of Turkey and Samos Island of Greece, causing loss of lives and properties. In the scope of this study, a site investigation was conducted at the earthquake-hit area of Izmir (Turkey), where 17 buildings (7 partially, 10 totally) were collapsed and many of them were heavily damaged. The impact of the Aegean Sea Earthquake on structures in the Izmir region, as observed during this site investigation is presented in this paper. The seismic vulnerabilities of structures, by referring to the observed typical damages caused by the earthquake, are discussed and preliminary analyses were also conducted in two reinforced concrete buildings to investigate the causes of seismic damages. The damage mechanisms are explained to highlight the causes and defects that led to failure of structures and recommendations are made for preventing such failures and life losses in the future. In additional to the structural damages, widespread non-structural damages which can make buildings non-functional are investigated. This paper also outlines seismological aspects of the region and characteristics of the recorded strong ground motion.
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