Analysis of edge-to-center settlement ratio for circular storage tank foundation on elastic soil

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Abstract

This paper presents a semi-analytical, elastic analysis model for a uniformly-loaded circular tank foundation resting on soil. The soil is assumed to behave as a linear-elastic material in a semi-infinite half space, and the foundation is modeled as a thin circular plate. The governing differential equations are derived based on variational principles and solved semi-analytically. Model validation was achieved by comparing results from the present analyses with those from finite element analysis. A parametric study highlights important insights for the effects of plate diameter, plate thickness, and stiffness ratio of plate to soil on differential settlement of the tank foundation.

Original languageEnglish
Pages (from-to)136-147
Number of pages12
JournalComputers and Geotechnics
Volume102
DOIs
StatePublished - Oct 2018

Keywords

  • Circular tank foundation
  • Differential settlement
  • Elastic analysis
  • Variational principles

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