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Information Journal Paper

Title

SEISMIC PERFORMANCE OF SPHERICAL LIQUID STORAGE TANKS: A CASE STUDY

Pages

  121-130

Abstract

 Spherical storage tanks are widely used for various types of liquids, including hazardous contents, thus requiring suitable andcareful design for seismic actions. On this topic, a significant case study is described in this paper, dealing with the dynamicanalysis of a spherical storage tank containing butane. The analyses are based on a detailed finite element (FE) model; moreover, a simplified single-degree-of-freedom idealization is also set up and used for verification of the FE results. Particularattention is paid to the influence of sloshing effects and of the soil– structure interaction for which no special provisionsare contained in technical codes for this reference case. Sloshing effects are investigated according to the current literaturestate of the art. An efficient methodology based on an “ impulsive– convective” decomposition of the container-fluid motionis adopted for the calculation of the seismic force. With regard to the second point, considering that the tank is founded onpiles, soil– structure interaction is taken into account by computing the dynamic impedances. Comparison between seismicaction effects, obtained with and without consideration of sloshing and soil– structure interaction, shows a rather importantinfluence of these parameters on the final results. Sloshing effects and soil– structure interaction can produce, for the caseat hand, beneficial effects. For soil– structure interaction, this depends on the increase of the fundamental period and of theeffective damping of the overall system, which leads to reduced design spectral values.

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    APA: Copy

    FIORE, ALESSANDRA, DEMARTINO, CRISTOFORO, GRECO, RITA, RAGO, CARLO, SULPIZIO, CONCETTA, & VANZI, IVO. (2018). SEISMIC PERFORMANCE OF SPHERICAL LIQUID STORAGE TANKS: A CASE STUDY. INTERNATIONAL JOURNAL OF ADVANCED STRUCTURAL ENGINEERING, 10(2), 121-130. SID. https://sid.ir/paper/319889/en

    Vancouver: Copy

    FIORE ALESSANDRA, DEMARTINO CRISTOFORO, GRECO RITA, RAGO CARLO, SULPIZIO CONCETTA, VANZI IVO. SEISMIC PERFORMANCE OF SPHERICAL LIQUID STORAGE TANKS: A CASE STUDY. INTERNATIONAL JOURNAL OF ADVANCED STRUCTURAL ENGINEERING[Internet]. 2018;10(2):121-130. Available from: https://sid.ir/paper/319889/en

    IEEE: Copy

    ALESSANDRA FIORE, CRISTOFORO DEMARTINO, RITA GRECO, CARLO RAGO, CONCETTA SULPIZIO, and IVO VANZI, “SEISMIC PERFORMANCE OF SPHERICAL LIQUID STORAGE TANKS: A CASE STUDY,” INTERNATIONAL JOURNAL OF ADVANCED STRUCTURAL ENGINEERING, vol. 10, no. 2, pp. 121–130, 2018, [Online]. Available: https://sid.ir/paper/319889/en

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