The Effect of Failure Criterion on the Slope Stability   Lahlou Haderbache CGS, National Center of Applied Research in Earthquake Engineering, Algiers, Algeria USTHB, Faculty of Civil Engineering, University of Algiers, Algiers, Algeria e-mail: dridife@ymail.com Nasser Laouami Professor, CGS, National Center of Applied Research in Earthquake Engineering, Algiers, Algeria; Faculty of Civil Engineering, University of Algiers, Algiers, Algeria
			ABSTRACT

The stability of a slope is analyzed by using pseudo-static approach. The influence of the introduction of principal effective normal intermediate stress (s'₂) in the formulation of sliding corner stability by using Drucker-Prager criterion is explored. The results show that this approach indicates the greatest stability of the studied slope.
To facilitate the task, a visual program of calculation has been created, which is interactive with a database software and utilizes the concept of object-oriented programming.

Keywords: slope; Mohr-Coulomb; Pseudo-static; Drucker-Prager; intermediate effective principal stress

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