Abstract
In this study, seismic assessment of one story precast industrial buildings that constitute majority of industrial facilities in Turkey was investigated by using probabilistic approach. For this purpose, 98 one story precast industrial buildings that represent general structural aspects of precast industrial building stock of Turkey were used. Strength and deformation capacities of buildings were determined by inelastic methods and seismic demands were calculated by nonlinear time history analyses. In order to represent low, moderate and high intensity earthquake levels, more than 300 ground motion records were used. Fragility curves of precast buildings were then constructed by comparing the displacement capacities and seismic demands. Peak ground velocity was used as ground motion parameter to construct analytical fragility curves. Assessment of inventory buildings was performed by considering the effect of lateral strength ratio, stiffness and ductility parameters. Observations have shown that probabilities of lower damage levels (slight and moderate) are almost similar and they are independent from structural parameters considered. It was also observed that ductility and lateral strength ratios (Vt/W) have significant effect on seismic fragilities of precast industrial buildings at higher damage levels. Based on the observations, building stock was classified in three groups. Results have shown that strength and ductility based classification of existing precast industrial buildings is quite effective and it can be used as an important tool for the seismic assessment studies of one story precast industrial buildings.
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Acknowledgments
The authors acknowledge support provided by Scientific and Technical Research Council of Turkey (TUBITAK) under Project No: 110M255. The authors wish to express their gratitude to directorate of DOIZ) for providing design projects of precast buildings. Ground motion records used in this study are downloaded from the PEER web site. The authors also acknowledge the PEER for providing the processed data.
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Palanci, M., Senel, S.M. & Kalkan, A. Assessment of one story existing precast industrial buildings in Turkey based on fragility curves. Bull Earthquake Eng 15, 271–289 (2017). https://doi.org/10.1007/s10518-016-9956-x
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DOI: https://doi.org/10.1007/s10518-016-9956-x