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Hydrodynamic Pressure Effect of the Tank Wall on Soil–Structure Interaction
In the traditional analysis of fluid tanks, the base of the tank is assumed to be fixed, and the flexibility of the soil is not taken into account in the analysis. However, it is known that the actual behavior of the tank does not only depend on the stiffness of the tank, but it also depends on the stiffness of the foundation and supporting the soil system. During this study, the tank resting on the medium and hard soils with the relative density of 55 and 65%, respectively, are analyzed considering the impact of soil when subjected to seismic excitation. Two different cases have been evaluated; the first is the tank with hydrodynamic pressure and, the second is the tank without hydrodynamic pressure. The tank, fluid, and soil are modeled using FLAC3D software. Two types of soil with different flexibilities are considered to analyze the soil–structure interaction impact. It has been concluded that the soil properties have an extreme effect on the base displacement and stresses developed in the tank. The hydrodynamic pressure led to a great increase in the settlement and two-dimensional lateral displacement of the tank base. Also, the frequency domain and its magnitude are considerably affected by the tank displacements.
Hydrodynamic Pressure Effect of the Tank Wall on Soil–Structure Interaction
In the traditional analysis of fluid tanks, the base of the tank is assumed to be fixed, and the flexibility of the soil is not taken into account in the analysis. However, it is known that the actual behavior of the tank does not only depend on the stiffness of the tank, but it also depends on the stiffness of the foundation and supporting the soil system. During this study, the tank resting on the medium and hard soils with the relative density of 55 and 65%, respectively, are analyzed considering the impact of soil when subjected to seismic excitation. Two different cases have been evaluated; the first is the tank with hydrodynamic pressure and, the second is the tank without hydrodynamic pressure. The tank, fluid, and soil are modeled using FLAC3D software. Two types of soil with different flexibilities are considered to analyze the soil–structure interaction impact. It has been concluded that the soil properties have an extreme effect on the base displacement and stresses developed in the tank. The hydrodynamic pressure led to a great increase in the settlement and two-dimensional lateral displacement of the tank base. Also, the frequency domain and its magnitude are considerably affected by the tank displacements.
Hydrodynamic Pressure Effect of the Tank Wall on Soil–Structure Interaction
Lecture Notes in Civil Engineering
Karkush, Mahdi O. (editor) / Choudhury, Deepankar (editor) / Hussein, Ahmed A. (author) / Al-Neami, Mohammed A. (author) / Rahil, Falah H. (author)
Modern Applications of Geotechnical Engineering and Construction ; Chapter: 15 ; 173-184
2020-12-22
12 pages
Article/Chapter (Book)
Electronic Resource
English
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