Bearing Capacity of Eccentrically Obliquely Loaded Footing
by Swami Saran, (Prof. in Civ. Engrg., Univ. of Roorkee, Roorkee - 247 667, U.P., India) and R. K. Agarwal, (Reader in Civ. Engrg., Inst. of Tech., B.H.U., Varanasi, India)
Journal of Geotechnical Engineering, Vol. 117, No. 11, November 1991, pp. 1669-1690, (doi 10.1061/(ASCE)0733-9410(1991)117:11(1669))
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| Document type: |
Journal Paper |
| Discussion: |
by Sherif Abdel-Baki and et al. (See full record)
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| Discussion: |
by Ashraf Ghaly and et al. (See full record)
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| Abstract: |
The bearing capacity of an eccentrically obliquely loaded footing is determined by limit equilibrium analysis. The footing is considered rigid with a rough base. It is assumed that the rupture surface is a log spiral and that failure occurs on the same side as the eccentricity, with respect to the center of the footing. The resistance mobilized on this side is fully passive and partial on the other. The footing is assumed to lose contact with an increase in eccentricity; the results are given in the form of bearing capacity factors, N+\Gg, Nq, and Nc. For the verification of analytical solutions, model tests were conducted on sand. Footings were tested both at the surface and at a depth such that Df/B = 0.5, eccentricity of load ranged from 0.1B to 0.3B, and inclination of load varied from 5° to 20°, in which Df and B are, respectively, depth and width of footing. The results of the previous investigators are also analyzed and compared with the proposed theory. A reasonable agreement was found between the theory and the test data. |
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