Seismic Evaluation of Elevated Water Tanks

Elevated water tanks are one of the most important lifeline structures in earthquake prone regions. In major cities and also in rural areas elevated water tanks forms an integral part of water supply scheme. These structures has large mass concentrated at the top of slender supporting structure, hence these structures are especially vulnerable to horizontal forces due to earthquake. Elevated water tanks that are inadequately analyzed and designed have suffered extensive damage during past earthquakes. The objectives to be achieved through this concept are Study of seismic resistant design of elevated water tanks as per IS CODE: 1893 and IITK-GSDMA guidelines, seismic analysis of Elevated water tanks using SAP2000, Study the influence of various parameters (Viz., Seismic intensity, soil conditions, etc.) on the seismic behaviour of elevated water tank and Study the influence of staging height on the base shear and ductility characteristics of elevated water tank by performing nonlinear static analysis using SAP2000.