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 regions, Elevated storage reservoirs (ESR’s) are amongst the most important structures for the residential & industrial livelihood of humans. In many 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 is to carry out a comparative study of different shapes of Elevated storage reservoirs for Static analysis. This project also studies the hydrodynamic effect i.e., Impulsive and Convective pressure on ESR’s in static earthquake response with different shapes. For detail study &. analysis purpose, two different shapes i.e., square and circular ESRs are considered with the similar storage capacity, height, staging system, Importance factor & similar Response reduction factor, in the considered 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, the bending moments in column & beam, displacement of staging & horizontal bending moments in tank walls. Which will further help in consideration of design philosophy for the safer and economical design of ESR’s. Thus, the design of the tank can be more economical, reliable and simple.

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