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- Title
Seismic Fragility Analysis of Base-Isolated LNG Storage Tank for Selecting Optimum Friction Material of Friction Pendulum System.
- Authors
Kim, Ji-Su; Jung, Jung Pyo; Moon, Ji-Hoon; Lee, Tae-Hyung; Kim, Jong Hak; Han, Tong-Seok
- Abstract
The objective of this study is to establish a system for selecting the optimum friction material to meet the seismic performance requirements of a liquefied natural gas tank with a friction pendulum system (FPS). A methodology for determining the optimum frictional material using seismic fragility analysis is suggested, and it is applied to materials with various frictional coefficients for FPS. Seismic fragility curves with two different limit states are developed to determine the optimum friction material, and a methodology for combining fragility curves is proposed. The analysis shows that a lower friction coefficient for FPSs is more appropriate for preventing failure in FPSs and the superstructure investigated in this study.
- Publication
Journal of Earthquake & Tsunami, 2019, Vol 13, Issue 2, pN.PAG
- ISSN
1793-4311
- Publication type
Article
- DOI
10.1142/S1793431119500106