3D BEARING CAPACITY ANALYSIS OF SHALLOW FOUNDATIONS BY DISCRETE ELEMENT METHOD

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MIRGHASEMI A.A.; MAJIDI A.R.

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Journal: Year:2006 | Volume:39 | Issue:5 (93) Page(s): 621-632

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Title

3D BEARING CAPACITY ANALYSIS OF SHALLOW FOUNDATIONS BY DISCRETE ELEMENT METHOD

Author(s)

MIRGHASEMI A.A. | MAJIDI A.R. | Issue Writer Certificate

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Abstract

In this research, an effort is made to determine three dimensional bearing capacity of rectangular foundations by Discrete Element Method. The soil mass is modeled as several discrete blocks connected with Winkler springs. The equations employed in this method completely satisfy the equilibrium conditions of forces and moments, with the assumed Elasto-Plastic behavior for the springs. Similar to the conventional bearing capacity theories, the failure of footing occurs by a wedge of soil below the footing pushing its way downward into the soil. The geometry of the failure surface is not fixed and can be altered due to all factors affecting the problem. The geometry of the failure surface under the foundation is determined by six independent angles. By trial and error the optimum shape of failure surface beneath the foundation can be found. This optimum failure surface corresponds the minimum collapsing load.The paper includes several examples to explain the capability of the method. The results are compared with other methods currently in use for determining the ultimate bearing capacity of rectangular shallow foundations. Also, several graphs and tables are presented expressing the coefficients of bearing capacity and shape factors for various values of internal friction for underneath soil and foundation aspect ratio.

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APA: Copy

MIRGHASEMI, A.A., & MAJIDI, A.R.. (2006). 3D BEARING CAPACITY ANALYSIS OF SHALLOW FOUNDATIONS BY DISCRETE ELEMENT METHOD. JOURNAL OF FACULTY OF ENGINEERING (UNIVERSITY OF TEHRAN), 39(5 (93)), 621-632. SID. https://sid.ir/paper/14438/en

Vancouver: Copy

MIRGHASEMI A.A., MAJIDI A.R.. 3D BEARING CAPACITY ANALYSIS OF SHALLOW FOUNDATIONS BY DISCRETE ELEMENT METHOD. JOURNAL OF FACULTY OF ENGINEERING (UNIVERSITY OF TEHRAN)[Internet]. 2006;39(5 (93)):621-632. Available from: https://sid.ir/paper/14438/en

IEEE: Copy

A.A. MIRGHASEMI, and A.R. MAJIDI, “3D BEARING CAPACITY ANALYSIS OF SHALLOW FOUNDATIONS BY DISCRETE ELEMENT METHOD,” JOURNAL OF FACULTY OF ENGINEERING (UNIVERSITY OF TEHRAN), vol. 39, no. 5 (93), pp. 621–632, 2006, [Online]. Available: https://sid.ir/paper/14438/en

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