UTICAJ PROMJENE NAPONSKO-DEFORMACIJSKOG STANJA NA PRORAČUN STABILNOSTI KOSINE

Abstract

The paper presents an analysis of the stability of the slope, where the stress-deformation state of the slope was taken into account before the disturbance of natural conditions, i.e. before any excavation and disturbance of the natural balance, and an analysis of the same stresses after excavation was performed. A slope that is unstable and has a high intensity of movement was taken for analysis. For the first time in the analysis of slope stability, geotechnical models were created as a hybrid that includes the existence of two separate methods, the finite element method and the limit equilibrium method. The finite element method was used to analyze the stress-strain state, and the limit equilibrium method was used to analyze the safety factor. The analysis of the slope in the above manner led to the fact that in the calculation of the stability of the slope, attention must be paid to the appearance of crack systems, which is a consequence of changes in the stress-deformation state of the massif before and after excavation.