Bearing Capacity of Foundations in Slopes
Publication: Journal of Geotechnical Engineering
Volume 116, Issue 3
Abstract
A method of designing foundations on slopes of cohesionless material such as sand and normally consolidated clay is described. The method is based on the results of centrifuge tests that were reported in 1988. In order to extend the centrifuge findings out under the slope, the results of other model tests were incorporated into the design procedure which is outlined. Thus the method presented here is based on physical tests rather than on theory. One innovation is that the bearing capacity of a footing on or near a slope is rated as a percentage of the capacity that the same footing would have on the surface of level ground. This means that local experience can be used to determine the safe capacity of the reference, level‐ground footing. This capacity can then be corrected to take into account the proximity of the slope. A second innovation is that the designer need not correct for footing size, since the tests were run on footings of reasonable scale. The method is straightforward and simple to use, and covers the design geometries that are most likely to be met in practice.
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References
1.
Bauer, G. E., et al. (1981). “Bearing capacity of footings in granular slopes.” Proc., 11th Int. Conf. on Soil Mech. and Foundation Engrg., Balkema, Rotterdam, the Netherlands, 2, 33–36.
2.
Gemperline, M. C. (1988). “Centrifuge modeling of shallow foundations.” Proc. ASCE Spring Convention, ASCE.
3.
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4.
Graham, J., Andrews, M., and Shields, D. H. (1988). “Stress characteristics for shallow footings in cohesionless slopes.” Can. Geotech. J., 25(2), 238–249.
5.
Saran, S., Sud, V. K., and Handa, S. C. (1989). “Bearing capacity of footings adjacent to slopes.” J. Geotech. Engrg., ASCE, 115(4), 553–573.
6.
Shields, D. H., and Garnier, J. (1989). “Foundations at the top of slopes.” DeMello Volume of the 12th International Conference of the International Society of Soil Mechanics and Foundation Engineers, Balkema, Rotterdam, the Netherlands.
7.
Shields, D. H., et al. (1977). “Bearing capacity of foundations near slopes.” Proc. 10th Int. Conf. on Soil Mech. and Foundation Engrg., Japanese Society of Soil Mechanics and Foundation Engineering, Tokyo, Japan, 2, 715–720.
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Copyright © 1990 ASCE.
History
Published online: Mar 1, 1990
Published in print: Mar 1990
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