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Paper
Title

Vertical Isolation of Seismic Loads in Aboveground Liquid Storage Tanks

Year: 1398
COI: JR_JSEE-21-1_003
Language: EnglishView: 34
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Authors

Morteza Moeini - PhD candidate of IIEES
Mohammad Reza Nikomanesh - PhD candidate of IIEES
Mohammad Ali Goudarzi - Associate Professor, International Institute of Earthquake Engineering & Seismology (IIEES)

Abstract:

This paper introduces an improved isolation system for aboveground storage tanks (ASTs). In this system, the tank shell is supported by a ring of vertical isolation systems (VIS) that dampen the rocking motion of the tank shell caused by dynamic loads. On the other hand, the forces in the vertical direction caused by the overturning moment are isolated as an alternative to the common horizontal system used for shear base isolation of ASTs. The effects of the proposed vertical isolation system on the seismic responses of the contained liquid are examined using various tank dimensions and earthquake ground motions. The finite element model (taking into account fluid-structure interaction effects) is used to simulate the contained liquid, as well as the tank shell. The results indicate that the new system could efficiently reduce the main seismic design parameters of the tanks, including base shear, overturning moment, and seismic stress in the tank shell. The sloshing wave height, however, is not significantly affected.

Keywords:

Paper COI Code

This Paper COI Code is JR_JSEE-21-1_003. Also You can use the following address to link to this article. This link is permanent and is used as an article registration confirmation in the Civilica reference:

https://civilica.com/doc/1298386/

How to Cite to This Paper:

If you want to refer to this Paper in your research work, you can simply use the following phrase in the resources section:
Moeini, Morteza and Nikomanesh, Mohammad Reza and Goudarzi, Mohammad Ali,1398,Vertical Isolation of Seismic Loads in Aboveground Liquid Storage Tanks,https://civilica.com/doc/1298386

مراجع و منابع این Paper:

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  • Chalhoub M.S. and Kelly J. (۱۹۹۰). “Shake table test of ...
  • Kim NS. and Lee DG. (۱۹۹۵). “Pseudodynamic test for evaluation ...
  • Park J.H., Koh H.M. and Kim J.K. (۲۰۰۰). “Seismic isolation ...
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  • Vosoughifar H, and Naderi M. (۲۰۱۴). “Numerical analysis of the ...
  • Cheng X., Jing W. and Gong L. (۲۰۱۷). “Simplified Model ...
  • American Petroleum Institute API, ۱۹۹۸ “Welded Storage Tanks for Oil ...
  • Goudarzi MA, Sabbagh-Yazdi SR and Marx W. (۲۰۱۰). “Seismic analysis ...

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Type of center: پژوهشگاه دولتی
Paper count: 2,324
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