SEISMIC PERFORMANCE and STRENGTHENING of CYLINDRICAL STEEL TANKS

Cylindrical steel storage tanks are widely used for the storage of various liquids, industrial chemicals and firefighting waters. They have also been used for cooling purposes in nuclear power plants in recent years. This book focuses on the seismic design ground supported cylindrical (vertical) steel liquid storage tanks. Dimensions of cylindrical open-top, flat-closed, conical-closed and torispherical-closed-top tanks were determined for 3D-finite element method (FEM) models in an ANSYS Workbench software. The seismic analyses were conducted under the El-Centro and Kobe earthquake loads at different shell thickness and roof types of cylindrical steel tanks. Directional deformation, Equivalent stress, and buckling results presented for both impulsive and convective masses respectively. One purpose of this book is to strengthen of the cylindrical steel liquid tanks. The tanks were covered with epoxy-carbon composite material. The other significant chapter of this book is impact analysis. The impact analysis observed on the plastic deformation of the shell under the instantaneous short duration earthquake load.