In big cities, construction on sloping land (landslide) is becoming increasingly prevalent due to the unavailability of flat lands. This has created a major challenge for structural engineers with regard to structure design, due to the difficulties encountered during the implementation of projects, both for the structure and the soil. This paper analyses the effect of the number of floors of a building, founded on isolated footing on the stability of the slope using the computer code finite element PLAXIS 2D v. 8.2. The isolated footings of a building in this case were anchored in soil so that the levels of successive isolated footing realize a maximum slope of base of three for two heights, which connects the edges of the nearest footings, according to the Algerian building code DTR-BC 2.331: Shallow foundations. The results show that the embedment of the foundation into the soil reduces the value of the safety factor due to the change of the stress state of the soil by these foundations. The number of floors a building has also influences the safety factor. It has been noticed from this case of study that there is no risk of collapse of slopes for an inclination between 5° and 8°. In the case of slope inclination greater than 10° it has been noticed that the urbanization is prohibited.<\/p>\r\n","references":"[1]\tSarma SK, 1999, Seismic bearing capacity of shallow strip footings adjacent to a slope, 2nd International Conference on Earthquake Geotechnical Engineering, Publisher: A Balkema Publishers, Pages: 309-313.\r\n[2]\tSarma SK, Srbulov M, 1996, A simplified method for prediction of kinematic soil-foundation interaction effects on peak horizontal acceleration of a rigid foundation, Earthquake Engineering & Structural Dynamics, Vol: 25, Pages: 815-836, ISSN: 0098-8847.\r\n[3]\tKumar, J. and Rao, V.B.K.M. (2002), Seismic bearing capacity factors for spread foundations. G\u00e9otechnique 2002; 52(2):79\u201388.\r\n[4]\tAskari F, Farzaneh O, Upper-bound solution for seismic bearing capacity of shallow foundations near slopes. Geotechnique 2003; 53(8):697\u2013702.\r\n[5]\tPaul, D. K., and Kumar S. (1997). Stability analysis of slope with building loads. Soil Dynamics and Earthquake Engineering 16:(6), 395-405.\r\n[6]\tKourkoulis R., Anastasopoulos I., Gelagoti F, and Gazetas G., \u201cInteraction of foundation-structure systems with seismically precarious slopes: numerical analysis with strain softening constitutive model,\u201d Soil Dynamics and Earthquake Engineering, vol. 30, no. 12, pp. 1430\u20131445, 2010.\r\n[7]\tDTR-BC 2.331, Document technique r\u00e9glementaire alg\u00e9rienne \u00ab R\u00e8gles de calcul des fondations superficielles \u00bb. 2005.\r\n[8]\tBrinkgreve R.B.J. 2003. PLAXIS manuel de r\u00e9f\u00e9rence. DELFT, 2003. 90-808079-3-1.\r\n[9]\tDuncan, J.M. and Wrigth, S.G. (2005) Soil strength and slope stability. John Wiley et Sons, Inc., pp.199.\r\n[10]\tU.S Army corps of engineers, (2003) Engineer manual. Online available:http:\/\/www.usce.army.mil\/publications\/engmanuals\/em1110-2-1902\/entire.pdf.","publisher":"World Academy of Science, Engineering and Technology","index":"Open Science Index 122, 2017"}