TRANSIENT ANALYSIS OF ELEVATED INTZE WATER TANK-FLUID-SOIL SYSTEM

The conventional analysis (non-interaction analysis) of over head water tank assumes that columns rest on unyielding supports. In reality, the structure is supported by deformable soil strata which deforms unevenly under the action of loads and hence causes redistribution of forces in the components...

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Bibliographic Details
Published in:ARPN journal of engineering and applied sciences 2015-02, Vol.10 (2), p.869-882
Main Authors: Tiwari, Neeraj, Hora, M S
Format: Article
Language:English
Subjects:
Deformation mechanisms
Foundations
Loads (forces)
Soil (material)
Stresses
Tanks
Transient analysis
Water tanks
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Summary:The conventional analysis (non-interaction analysis) of over head water tank assumes that columns rest on unyielding supports. In reality, the structure is supported by deformable soil strata which deforms unevenly under the action of loads and hence causes redistribution of forces in the components of overhead water tank. In the present work, 3-D interaction analysis of intze type water tank-fluid-layered soil system is carried out using ANSYS software to evaluate the principal stresses in different parts of the tank and supporting layered soil mass. The resultant deflections, Von-mises stress, neural frequency of the tank are calculated and also evaluate acceleration by Transient analysis under different filling conditions of the intze tank. The intze tank, supporting frame, foundation and soil mass are considered to act as single compatible structural unit for more realistic analysis. The tank, foundation and soil are considered to be follow linear stress-strain relationship. The natural frequency of the tank is evaluated for different filling conditions and comparison is made between the non-interaction and interaction analyses.
ISSN:1819-6608
1819-6608