International Journal of Advanced Innovative Technology in Engineering (IJAITE)

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Comparative Study on Elevated RCC Water Tank with Different Shapes in Zone V

Seema Meshram, Dr. S.G. Makarande, R.K. Kakpure

Abstract :

In very severe earthquake resigns, the Elevated storage reservoirs (ESR’s) are one of the most important lifeline structures. In major urban and rural areas, they form an integral part of the water supply scheme from supplying water for drinking, household use, industrial use, firefighting, etc. The ESR’s must functional even after the earthquakes, as water is required for our daily usage. The main objective of this project is, to compare the Static and Dynamic analysis for different shapes of Elevated storage reservoirs. This project studies the effect of the static and dynamic earthquake response on the behavior of ESR’s. This project also studies the effect of hydrodynamic pressure i.e., Impulsive and Convective pressure on ESR’s in both static and dynamic earthquake responses with different shapes. For detailed study and analysis purposes, two different shapes i.e., square and circular are considered with the same storage capacity, same height, with same staging system, with same Importance factor & Response reduction factor, in the same earthquake Zone. For this study, a very severe earthquake zone (Zone - V) is considered. The analytical findings are plotted in form of comparative graphs and tables to understand the severity of ESR’s with different shapes. After comparing the results, a considerable difference is found in axial forces in columns, a bending moment in column & beams, displacement of staging & horizontal bending moments in tank walls. Which will further help in understanding the design philosophy for the safe and economical design of elevated storage reservoirs. Thus, the design of the tank can be more economical, reliable and simple.

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