Seismic Analysis of Intze Water Tank for Different Bottom Dome Deviation Angle & Bracing

Abstract

—This paper concern on the seismic analysis of RCC intze elevated water tank which is subjected to live load,
dead load, seismic load as per IS codes. But in past issues maximum water tank damages occur due to the earth quakes.
So the seismic analysis of water tank is important as well as wind analysis. The reason for damage of the water tank is
due to lack of knowledge about staging or bracing part of the tank which play important part during earth quake. The
staging or bracing plays a very important role which provides more stiffness and safety to structure and as well as to
control the storey displacement of the structure. Angle of dome is also play important role in the seismic analysis, hence
this paper also concern with the study of bottom dome angle deviation in which the angle of bottom dome selected are 35
and 50 degree for same capacity of water tank 1000 m3
. So the elevated intze water tank is analyzed for all seismic zones
as per IS: 1893 and also analysis with different staging pattern like octagonal, octagonal and plus, octagonal and cross
with under different filling conditions, analysis has been done using STAAD.Pro software.