Abstract
On February 6th, 2023, an earthquake sequence with moment magnitudes (Mw) of 7.8 and 7.5 rocked southern and eastern Turkiye, affecting 15 million-residents and a significant portion of Turkiye’s industrial community. In the days following the earthquake sequence, a reconnaissance team was organized to visit the industrial districts in the five provinces of the earthquake region. While performance and functionality of 131 industrial facilities were inspected using the proposed data-collection protocols, 18 interviews with industrial representatives were conducted. The inspection and interview results show that the earthquake sequence had a significant impact on industrial facilities, resulting in enormous economic losses and business disruptions lasting three months to two years. While the sequence imposed severe demands on the facilities, their poor performance is mostly due to discrepancies between seismic design code requirements and building practice. The most affected facilities were found to be those built before 2000, as well as precast reinforced concrete structures with pin-supported roofs. As a result, these types of facilities in earthquake-prone areas are strongly advised to be re-evaluated. Furthermore, various nonstructural building components, such as claddings and equipment/machinery, were substantially damaged at the majority of the assessed sites, causing lengthy interruptions. To reduce future seismic losses and disruptions to industry, the proposed protocols and findings of this field study can be utilized to support further resilience studies on the development of business continuity plans and risk management approaches for industrial facilities.
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Data Availability
The datasets generated during and/or analysed during the current study are available from the corresponding author Dr. Derya Deniz on reasonable request.
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Funding
The authors gratefully acknowledge the support provided by the Scientific and Technological Research Council of Turkiye (TUBITAK), under the program called “1002-C Emergency Support Program for Reconnaissance Study Focusing on Natural Disasters”. The project funded through the 1002-C program is entitled “6 Şubat 2023’te Yaşanan Kahramanmaraş-Pazarcık (Mw = 7.7) ve Elbistan (Mw = 7.6) Merkezli Depremlerden Etkilenen Sanayi Yapılarının Performans ve Hasar Durumlarının Saha Gözlemleri İle Tespiti”, with a Project ID :123D049. The authors would also like to acknowledge the cooperation and assistance of the industry owners and representatives interviewed during the field study.
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All authors contributed to the study conception, design, methodology and field data collection. Under the supervision of their graduate thesis advisor Dr. Derya Deniz, the three authors Gulsah Sagbas, Ramin Sheikhi Garjan and Kerem Sarikaya organized and processed the collected field data, performed analyses on the data, and prepared materials for the manuscript. All authors supported writing the first draft of the manuscript. The first draft was majorly revised several times by the supervisor Dr. Derya Deniz until the final version was created. All authors commented on previous versions of the manuscript. All authors read and approved the final manuscript.
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Sagbas, G., Sheikhi Garjan, R., Sarikaya, K. et al. Field reconnaissance on seismic performance and functionality of Turkish industrial facilities affected by the 2023 Kahramanmaras earthquake sequence. Bull Earthquake Eng 22, 227–254 (2024). https://doi.org/10.1007/s10518-023-01741-8
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DOI: https://doi.org/10.1007/s10518-023-01741-8