Analysis of bearing capacity using discrete element method

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2006

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Ardıç, Ömer

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With the developments in computer technology, the numerical methods are used widely in geotechnical engineering. Finite element and finite difference are the most common methods used to simulate the behavior of soil and rock. Although the reliability of these methods are proven in several fields of application over the years, they are not equally satisfactory in every case and require sophisticated constitutive relations to model the discontinuous behavior of geomaterials since they assume the material is continuum or the location of discontinuum is predictable. The Discrete Element Method (DEM) has an intensive advantage to simulate discontinuity. This method is relatively new and still under development, yet it is estimated that it will replace of the continuum methods largely in geomechanics in the near feature. In this thesis, the theory and background of discrete element method are introduced, and its applicability in bearing capacity calculation of shallow foundations is investigated. The results obtained from discrete element simulation of bearing capacity are compared with finite element analysis and analytical methods. It is concluded that the DEM is a promising numerical analysis method but still have some shortcomings in geomechanical applications.

Subject Keywords

Engineering Geology., Rock and Soil Mechanics., Underground Construction.

URI

http://etd.lib.metu.edu.tr/upload/12607866/index.pdf
https://hdl.handle.net/11511/16430

Collections

Graduate School of Natural and Applied Sciences, Thesis

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Citation Formats

Ö. Ardıç, “Analysis of bearing capacity using discrete element method,” M.S. - Master of Science, Middle East Technical University, 2006.