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P.K. Woodward and K. Nesnas

Department of Civil and Offshore Engineering, Heriot-Watt University, Edinburgh, Scotland

doi:10.4203/ccp.59.12.1

P.K. Woodward, K. Nesnas, "Advanced Finite Element Analysis of Surface Foundations on Granular Soils", in B.H.V. Topping, B. Kumar, (Editors), "Developments in Analysis and Design using Finite Element Methods", Civil-Comp Press, Edinburgh, UK, pp 255-260, 1999. doi:10.4203/ccp.59.12.1

Abstract

Traditionally the finite element analysis of shallow foundations on sand uses simple constitutive models (i.e. elastic model or elastic perfectly plastic model) to represent the sand. The shortcomings of such models are obvious; they cannot be used to accurately predict ground movements hence more sophisticated models are necessary. This is particularly the case when modelling real sands. This paper first discusses, in general terms, the kinematic soil model and its implementation into a general finite element program for analysing shallow foundations on sand. The paper then discusses the effect of the mesh on the load-settlement curve. Finally, results of the analysis of a rough circular foundation (with different sizes of B=1m to 6m) on four sands are presented.

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Front Page Browse CCP CSETS CTR IJRT Other Authors Search Purchase Guide FAQ Contact us	Civil-Comp Proceedings ISSN 1759-3433 CCP: 59 DEVELOPMENTS IN ANALYSIS AND DESIGN USING FINITE ELEMENT METHODS Edited by: B.H.V. Topping and B. Kumar Paper XII.1 Advanced Finite Element Analysis of Surface Foundations on Granular Soils P.K. Woodward and K. Nesnas Department of Civil and Offshore Engineering, Heriot-Watt University, Edinburgh, Scotland doi:10.4203/ccp.59.12.1 purchase the full-text of this paper Full Bibliographic Reference for this paper P.K. Woodward, K. Nesnas, "Advanced Finite Element Analysis of Surface Foundations on Granular Soils", in B.H.V. Topping, B. Kumar, (Editors), "Developments in Analysis and Design using Finite Element Methods", Civil-Comp Press, Edinburgh, UK, pp 255-260, 1999. doi:10.4203/ccp.59.12.1 Abstract Traditionally the finite element analysis of shallow foundations on sand uses simple constitutive models (i.e. elastic model or elastic perfectly plastic model) to represent the sand. The shortcomings of such models are obvious; they cannot be used to accurately predict ground movements hence more sophisticated models are necessary. This is particularly the case when modelling real sands. This paper first discusses, in general terms, the kinematic soil model and its implementation into a general finite element program for analysing shallow foundations on sand. The paper then discusses the effect of the mesh on the load-settlement curve. Finally, results of the analysis of a rough circular foundation (with different sizes of B=1m to 6m) on four sands are presented. purchase the full-text of this paper (price £20) go to the previous paper go to the next paper return to the table of contents return to the book description purchase this book (price £74 +P&P)
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