устойчивость откосов, каменнонасыпная плотина, метод Терцаги, методом конечных элементов, Engineering (General). Civil engineering (General), TA1-2040

Results of comparative analyses of slopes stability of Boguchansk rockfill dam under action of static and seismic loads are presented. Analyses are performed by traditional (Terzhagi) and numerical (Finite Elements) methods. In the first method the decrease of shear strength of rockfill with increase of normal stresses was considered. In the latter the Mohr-Coulomb perfectly elasticplastic model for rockfill was used. The large margin of slopes stability by Terzhagi method was obtained comparing with F.E. method that allowed to justify the seismic stability of the dam.