Time History analysis of elevated water tank with different type of bracing system using SAP2000

Abstract

From the very offensive past records, many reinforced concrete elevated water tanks were collapsed or
highly damaged during the earthquakes all over the world. General observations are pointing out that the reasons
towards the failure of supporting system which reveals that the supporting system of elevated tanks has more critical
importance than the other structural types of tanks. Most of the damages observed during seismic events arise due to
the causes like improper and unsuitable design of supporting system, mistakes during selection of supporting system,
improper arrangement of supporting elements and underestimated demand or overestimated strength etc.
Consequently, the aim of this study is to know the effectiveness of supporting systems of elevated tank with different
alteration like different type of bracing system for intze tank. In this study time history analysis of tank doing with
considering the dual mass system in sap2000 and compare the result of base shear, base moment and displacement
and finally study discloses the importance of suitable supporting configuration to remain withstands against heavy
damage or failure of the elevated water tanks during seismic events.