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- MakaleYalnız künye2025Scopus SJRQ3Factors Influencing Coordination Dynamics in Disaster Response: Governance Insights from the 2023 Kahramanmaraş Earthquakes
Camurcu, Melike; Oral, Vildan; Cengiz, Ekrem
Following the 2023 Kahramanmaraş-centered earthquakes in Türkiye, multi-actor and multi-sectoral response structures were implemented, creating significant challenges in coordination. Accordingly, the current study aims to assess the factors affecting intra- and inter-team coordination in disaster response processes, as well as the factors that negatively impact coordination activities, and to propose recommendations for improvement. The study is based on data collection from expert participants working at the disaster coordination center using qualitative research methods. Thematic analysis was used in the analysis of interview data, and coordination problems were identified as arising from seven main themes. The results highlight the importance of reducing centralization, modular training, empowering local actors, horizontal organization, delegation of authority, and participatory governance models. Content of this journal is licensed under a Creative Commons Attribution 4.0 International Non-Commercial LicenseTÜRK
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İncele - MakaleYalnız künye2015Scopus SJRQ1Dynamic responses of industrial reinforced concrete chimneys strengthened with fiber-reinforced polymers
Karaca, Zeki; Türkeli, Erdem; Günaydin, Murat; Adanur, Süleyman
Industrial reinforced concrete (RC) chimneys are tall and slender structures that need repair and strengthening in their service lives. Fiber-reinforced polymers (FRPs) are continuously becoming a popular material that is used for strengthening purposes of RC structures. The purpose of this study is to determine the effect of FRP strengthening on dynamic responses of industrial RC chimneys. A 75-m-high industrial RC chimney with an opening on the body was selected for FRP strengthening. First, three-dimensional finite element model of the chimney and its modal analyses were performed in ANSYS software. Then, linear transient analyses of the chimney were carried out by using 1992 Erzincan Earthquake ground motion record. After that, body of chimney was strengthened with FRP composite, and dynamic analyses were performed. Finally, dynamic responses of chimney before and after FRP strengthening, such as displacements and maximum-minimum principal stresses, were compared. At the end of the study, it was seen that displacements increased along the height of the chimney, maximum and minimum principal stresses occurred at the region of opening and base for all analysis, respectively. Also, it was seen from this study that FRP strengthening is effective on the dynamic response of industrial RC chimneys.
AtıfScopus10WoS9OpenAlex13İncele


