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2012 (Vol. 4, Issue: 07)
Article Information:

Using Matlab with Quadrilateral Finite Elements in Analysis of Multilayered Nonhomogeneous Soils under Strip Footing

Ahmed Qasim Obaid Al-Ramthan
Corresponding Author:  AHMED QASIM OBAID 

Key words:  Finite element method, MATLAB, multilayered soils, nonhomogeneous soils, strip footing, ,
Vol. 4 , (07): 717-723
Submitted Accepted Published
2011 September, 25 2011 November, 04 2012 April, 01

Natural soils are often comprised of separate layers. Foundations of engineering structures are designed to transfer and distribute their loading to the underlying soil and/or rock. Therefore, the designer must ensure that the structure does not suffer from excessive displacements. In this research, it is intended to make a generalized numerical solution through a computer program has written in MATLAB to analyze a multilayered nonhomogeneous (Gibson-type) soil, where the stiffness contrast exists between layers, by determining the displacements and stresses under strip footing during applied incremental loading sequence. This research presents a plane strain two-dimensional finite element method. In this method, the soil is divided into several 4-node quadrilateral elements. The general behavior of a multilayered soil profile and the influences of strip foundations resting on soils having homogeneous (constant modulus with depth) to Gibson-type (linearly increasing modulus) profiles are studied. The influences of foundation size and embedment, incremental loading, and soil stratifications are considered in this study.
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  Cite this Reference:
Ahmed Qasim Obaid Al-Ramthan, 2012. Using Matlab with Quadrilateral Finite Elements in Analysis of Multilayered Nonhomogeneous Soils under Strip Footing.  Research Journal of Applied Sciences, Engineering and Technology, 4(07): 717-723.
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ISSN (Online):  2040-7467
ISSN (Print):   2040-7459
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