Seismic Risk Analysis of LNG Storage Tanks

by William E. Gates, Dames & Moore, Los Angeles, CA, USA,
David P. Hu, Dames & Moore, Los Angeles, CA, USA,



Document Type: Proceeding Paper

Part of: Lifeline Seismic Risk Analysis?Case Studies

Abstract:

This paper presents an approach to the seismic safety review of existing LNG storage tanks. The approach considers the seismic hazards from ground motion, surface fault rupture, and soil instability such as liquefaction. Dynamic properties of the soils and the soil-structure-fluid system are measured by field tests and correlated with analytical models. Dynamic soil-structure interaction analyses are performed using finite element methods to assess the reserve capacity of the existing storage tanks.

Subject Headings: Storage tanks | Soil dynamics | Ground motion | Risk management | Soil structures | Seismic effects | Finite element method

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