DBPapers
DOI: 10.5593/SGEM2015/B32/S13.017

EFFECTS OF SUBSOIL ON THE LIQUID STORAGE TANKS

S.Harabinova, K. Kotrasova, E.Panulinova, E. Kormanikova
Wednesday 23 September 2015 by Libadmin2015

References: 15th International Multidisciplinary Scientific GeoConference SGEM 2015, www.sgem.org, SGEM2015 Conference Proceedings, ISBN 978-619-7105-37-7 / ISSN 1314-2704, June 18-24, 2015, Book3 Vol. 2, 125-130 pp

ABSTRACT
Ground-supported circular tanks are used to store a variety of liquids, e.g. water for drinking and fire fighting, petroleum, chemicals, and liquefied natural gas. The fluid develops hydrodynamic pressure on walls and bottom of tank during an earthquake. It is know that, some of the fluid tanks are damaged in many earthquakes. Damage or collapse of these containers causes some unwanted events such as shortage of drinking and utilizing water, uncontrolled fires and spillage of dangerous fluids. In the recent decades, the importance of fluid-structure-soil interaction of dynamic response of key structures such as silos, storage tanks and also other types of structures have been presented in various studies.
This paper provides theoretical background for specification of impulsive and convective actions of fluid in liquid storage cylindrical container by using analytical methods. Numerical model on seismic response of fluid - structure -soil interaction of cylindrical tank was obtained by using of Finite Element Method (FEM). The results of the analytical methods and the numerical solution were compared for water filled concrete cylindrical tank grounded on sub-soil.

Keywords: Earthquake, tank, fluid, sub-soil

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