Laboratory Investigation of the Dynamic Response of a Prestressed Composite Steel Cylindrical Tank Subjected to Horizontal Loading
Zhangabay N. Tursunkululy T. Bonopera M. Azatkulov O.
September 2023Multidisciplinary Digital Publishing Institute (MDPI)
Journal of Composites Science
2023#7Issue 9
In this article, a laboratory investigation on prestressed composite steel cylindrical tanks is performed at different prestressing parameter values (coil span, thickness, and prestressing force). Natural vibration frequencies of a traditional tank and a prestressed composite tank were determined at different filling levels. The research results reveal that prestressing using a steel wire strand has a positive effect in terms of the value of the attenuation coefficient where, when comparing a traditional tank with a coiled tank with a coil span equal to a = 3d, the attenuation coefficient changes in a positive direction by 22.9%; whereas, when comparing a traditional tank with that with a coil span equal to a = d, then the positive effect reaches up to 33%. The value of the attenuation coefficient of a half-filled tank shows that prestressing improves the attenuation coefficient at a coil span equal to a = 3d and up to 8.7%, and with a coil span equal to a = d, up to 26%. Conversely, in the analyses of the tank specimen filled up to the maximum level, the attenuation coefficient changes in a positive direction with a coil span equal to a = 3d, up to 15%, and when accounting for a coil span equal to a = d, up to 35%. In general, the effect of the use of prestressing in terms of the attenuation coefficient shows a positive trend between a percentage range of 8.7 and 35%, depending on the liquid filling conditions, and the vibration amplitudes decrease in a percentage range of 3.8–20%, also depending on the coil span and filling conditions of the tank. The obtained laboratory results positively expand the investigations performed within this research field. As a result, the corresponding findings can be used for the construction and design phases of vertical steel cylindrical tanks.
attenuation coefficient , coil span , composite steel tank , horizontal loading , natural vibration frequency , prestressing , steel winding , tensile force
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Department of Construction and Construction Materials, M. Auezov South Kazakhstan University, Av. Tauke Khan, No. 5, Shymkent, 160012, Kazakhstan
Engineering Disaster Prevention Division, Taiwan Construction Research Institute (TCRI), 11F., No. 190, Sec. 2, Zhongxing Rd., Xindian Dist, New Taipei , 23146, Taiwan
Department of Construction and Construction Materials
Engineering Disaster Prevention Division
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