Investigating the Seismic Vulnerability of Urban Water Reservoirs Based on Economic Justification

Abstract

Liquid storage tanks are included in the group of industrial (non-building) structures, which are made of different types of steel and concrete and in different shapes, including cylindrical, cubic, conical, and spherical, on the ground and in the air, and with different uses, including liquid fuel storage tanks in Factories, oil and gas facilities, and the like, up to drinking water and firefighting tanks are divided into industrial towns and urban residential areas. Special structures such as water tanks are of such importance that they must have high safety not only in normal and operating conditions but also in critical conditions such as earthquakes. As a result, the design of these structures against seismic loads and their proper performance during an earthquake is very important. This study aimed to investigate and evaluate the seismic behavior of concrete tanks with fluid (water) in different states. For this purpose, 5 concrete tanks with different dimensions were investigated and parameters such as displacement, shear stress, soil settlement and displacement in a specific path were analyzed. By checking the displacement of these tanks, it was found that this parameter is the most optimal for tank number 4.