Analysis of Intze type Water Tank with Different Staging System & its Optimal Design
Journal Title: GRD Journal for Engineering - Year 2019, Vol 4, Issue 0
Abstract
Water storage structures are used to store water to tide over the daily requirement of water by localities, industries, campuses, towns, cities, etc. Especially elevated water tanks are used to supply water to a particular area so that the water can reach to the users by gravity and pressure. These elevated structures have large mass concentrated at the top and are behaving like a slender supporting structure, as an inverted pendulum. Hence, these structures are vulnerable to horizontal forces due to earthquake. From the very upsetting experiences of few earthquakes, like the 2001 Bhuj earthquake in India (Durgesh C. Rai 2003), RCC Elevated water tanks were heavily damaged or collapsed. This might be due to the lack of knowledge regarding the proper behavior of the staging part of the tank and due to dynamic effect and improper geometrical selection of staging. This paper deals with the analysis of different fame type staging patterns for RCC elevated tank (Intze type) with the help of STAAD Pro Vi8 (series 6) by using response spectrum method. In this paper, at first by studying the losses occurred in water tanks during past earthquakes and the reasons for these occurred damages, the analysis was done for different staging patterns to overcome these damages in these structure in coming future. It was determined while comparing different staging patterns that X type of frame staging have shown better seismic behavior to the resistance against lateral loads as they reduces most of displacement and time period but it increases the base shear due to the increase in volume of concrete.
Authors and Affiliations
Affan M Ashfak Aakhunji, Keval L Vanpariya
Keywords
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