References:
1. Kumar, J. "The variation of Ng with footing roughness using the method of characteristics", Int. J. Numer. Anal. Methods Geomech., 33(2), pp. 275-284 (2009).
2. Veiskarami, M., Jahanandish, M., and Ghahramani, A. "Prediction of the bearing capacity and load-displacement behavior of shallow foundations by stress-level-based ZEL method", Scientia Iranica, Sharif University of Technology Co-Published by Elsevier, Trans. A, 18(1), pp. 20-35 (2011).
3. Veiskarami, M., Kumar, J., and Valikhah, F. "Effect of the flow rule on the bearing capacity of strip foundations on sand by the upper-bound limit analysis and slip lines", Int. J. Geomech., ASCE, 14(3), pp. 04014008-1-04014008-11 (2014).
4. Bolton, M.D. and Lau, C.K. "Vertical bearing capacity factors for circular and strip footings on Mohr-Coulomb soil", Can. Geotech. J., 30(6), pp. 1024-1033 (1993).
5. Evgin, E. and Das, B.M. "Mechanical behavior of an oil contaminated sand", Proc., Mediterranean Conf., Usmen and Acar, Eds., Balkema, Rotterdam, The Netherlands, pp. 101-108 (1992).
6. Al-Sanad, H.A., Eid, W.K., and Ismael, N.F. "Geotechnical properties of oil-contaminated Kuwaiti sand", J. Geotech. Engrg., 121(5), pp. 407-412 (1995).
7. Al-Sanad, H.A. and Ismael, N.F. "Aging effects on oil contaminated Kuwaiti sand", J. Geotech. Geoenviron. Eng., 123(3), pp. 290-293 (1997).
8. Shin, E.C., Lee, J.B., and Das, B.M. "Bearing capacity of a model scale footing on crude oil contamination sand", Geotech. Geo. Eng. J., 17(2), pp. 123-132 (1999).
9. Shin, E.C. and Das, B.M. "Bearing capacity of unsaturated oil-contaminated sand", Int. J. Offshore Polar Eng., 11(3), pp. 220-227 (2001).
10. Shin, E.C., Omar, M.T., Tahmaz, A.A., and Das, B.M. "Shear strength and hydraulic conductivity of oil-contaminated sand", Proc., 4th Int. Congress on Environmental Geotechnics, Rio de Janeiro, Brazil, Balkema, 1, pp. 9-13 (2002).
11. Khamechiyan, M., Charkhabi, A.H., and Tajik, M., The Effects of Crude Oil Contamination on Geotechnical Properties of Bushehr Coastal Soils in Iran, The Geological Society of London, IAEG2006 Paper number 214 (2007).
12. Nasr, A.M. "Experimental and theoretical studies for the behavior of strip footing on oil-contaminated sand", Journal of Geotechnical and Geoenvironmental Engineering, 135(12), pp. 1814-1822 (2009).
13. Abousnina, R.M., Manalo, A., Shiau, J., and Lokuge, W. "Effects of light crude oil contamination on the physical and mechanical properties of fine sand", Soil and Sediment Contamination: An International Journal, 24(8), pp. 833-845 (2015).
14. Nasr, A.M. "Behaviour of strip footing on oilcontaminated sand slope", International Journal of Physical Modelling in Geotechnics, 16(3), pp. 134-151 (2015).
15. Briaud, J.L. and Jeanjean, P. "Load settlement curve method for spread footings on sand", Journal of Geotechnical and Geoenvironmental Engineering, ASCE, 133(8), pp. 905-920 (1994).
16. Das, B.M., Principles of Geotechnical Engineering, 3rd Ed., PWS Publishing Company, p. 436 (1994).