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

Suranga Gunerathne; Hoyoung Seo; William D. Lawson; Priyantha W. Jayawickrama

doi:10.1016/j.compgeo.2018.05.008

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

Suranga Gunerathne, Hoyoung Seo, William D. Lawson, Priyantha W. Jayawickrama

Civil Environ Construct Engineering

Research output: Contribution to journal › Article › peer-review

2 Scopus citations

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 language	English
Pages (from-to)	136-147
Number of pages	12
Journal	Computers and Geotechnics
Volume	102
DOIs	https://doi.org/10.1016/j.compgeo.2018.05.008
State	Published - Oct 2018

Keywords

Circular tank foundation
Differential settlement
Elastic analysis
Variational principles

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

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.",

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AU - Gunerathne, Suranga

AU - Seo, Hoyoung

AU - Lawson, William D.

AU - Jayawickrama, Priyantha W.

PY - 2018/10

Y1 - 2018/10

N2 - 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.

AB - 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.

KW - Circular tank foundation

KW - Differential settlement

KW - Elastic analysis

KW - Variational principles

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EP - 147

JO - Computers and Geotechnics

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