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DEVELOPMENT OF PRACTICAL DESIGN GUIDELINES FOR UNANCHORED LIQUID STORAGE TANKS

A Zeiny, Ph.D, P.E.
Faculty in the Department of Civil & Geomatics Engineering & Construction
California State University, Fresno, CA 93740-0094

June 1998

• Abstract
• Introduction
• Damage to Unanchored Liquid Storage Tanks in Previous Earthquakes
• Current Methods for Seismic Design
• Overturning Moment
• Axial Shell Compressive Stress
• Allowable Stress
• Proposed Development Procedure
• The Finite Element Technique
• Description of the Finite Element Code DYNAZ
• Variational Principles of the Liquid-Structure Interaction Problem
• Modeling of Geometric Nonlinearity in Tank Shell and Base Plate
• Proposed Finite Element Modeling of Tanks
• Examples of Proposed Time History Runs
• Examples of Proposed Static Push Runs
• Impact of Proposed Work
• Bibliography
• About this document ...