SEISMIC ISOLATION SYSTEMS FOR REDUCING THE DYNAMIC RESPONSE OF THE ELEVATED WATER TANKS | ||
| JES. Journal of Engineering Sciences | ||
| Article 3, Volume 39, No 6, November and December 2011, Pages 1281-1299 PDF (589.9 K) | ||
| Document Type: Research Paper | ||
| DOI: 10.21608/jesaun.2011.129422 | ||
| Author | ||
| Issam Nasser | ||
| Professor, Department of Structural Engineering, Faculty of Civil Engineering, Tishreen University, lattakia, Syria. | ||
| Abstract | ||
| This research discusses the seismic response of the elevated water tanks which is represented by the base shear forces, displacements and bending moment values, and also studying the dynamic characteristic for this type of especial structures, such as the period and frequencies of vibration , all these are done by dynamic analysis for 3-D mathematical models according to response spectrum ,with considering the fluid-structure interactions by representing this fluid with spring-two masses equivalent system: impulsive and convective masses .This analysis has been done by SAP 2000 program . This research involves studying the effect of friction pendulum system (FPS) in dissipating the vibration energy caused by seismic effects on the elevated tanks, and the influence to the response and dynamic specifications values. Also, in this paper the seismic behavior of these elevated tanks which are supplied by tuned mass damper has been evaluated. A reinforced concrete- elevated water tank has been analyzed and the dynamic analysis results of these seismic isolated tanks showed that the displacements, base shear forces and bending moment generally decreased | ||
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