Seismic risk assessment of on-ground concrete cylindrical water tanks

The seismic risk of cylindrical concrete tanks on the ground is investigated in this study. Seismic fragility curves are developed for the damage state of bending crack width of the tank wall at the base. Bending crack width is obtained by the nonlinear analysis of reinforcement concrete. The design...

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Bibliographic Details
Published in:Innovative infrastructure solutions : the official journal of the Soil-Structure Interaction Group in Egypt (SSIGE) 2023, Vol.8 (1), Article 68
Main Authors: Khosravi, Shayan, Goudarzi, Mohammad Ali
Format: Article
Language:English
Subjects:
Earth and Environmental Science
Earth Sciences
Environmental Science and Engineering
Foundations
Geoengineering
Geotechnical Engineering & Applied Earth Sciences
Hydraulics
Technical Paper
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Summary:The seismic risk of cylindrical concrete tanks on the ground is investigated in this study. Seismic fragility curves are developed for the damage state of bending crack width of the tank wall at the base. Bending crack width is obtained by the nonlinear analysis of reinforcement concrete. The design of the tanks is based on ACI 350.3 and Iranian provisions. Fragility curves are obtained using nonlinear incremental dynamic analysis. The fragility curves of the tanks developed in this study and the existing hazard curves for different regions of Iran were used to calculate the seismic risk. The most important result was the non-uniformity of the risk of the tanks in different zones in Iran. In some zones, the tanks’ failure probability is much higher than in other areas.
ISSN:2364-4176
2364-4184
DOI:10.1007/s41062-022-01002-8