Slope stability analysis is a static or dynamic, analytical or empirical method to evaluate the stability of slopes of soil- and rock-fill dams, embankments, excavated slopes, and natural slopes in soil and rock. It is performed to assess the safe design of a human-made or natural slopes (e.g. embankments, road cuts, open-pit mining, excavations, landfills etc.) and the equilibrium conditions. Slope stability is the resistance of inclined surface to failure by sliding or collapsing.
Dans le groupe des géosciences, la géotechnique est la technoscience consacrée à l’étude pratique de la subsurface terrestre sur laquelle notre action directe est possible pour son aménagement et/ou son exploitation, lors d’opérations de BTP (génie civil, bâtiment, carrières), de gestion des eaux souterraines (exploitation, drainage) et de prévention des risques naturels.
Slope stability refers to the condition of inclined soil or rock slopes to withstand or undergo movement; the opposite condition is called slope instability or slope failure. The stability condition of slopes is a subject of study and research in soil mechanics, geotechnical engineering and engineering geology. Analyses are generally aimed at understanding the causes of an occurred slope failure, or the factors that can potentially trigger a slope movement, resulting in a landslide, as well as at preventing the initiation of such movement, slowing it down or arresting it through mitigation countermeasures.
La mécanique des sols est la plus ancienne, la plus connue et la plus pratiquée des branches de la géomécanique, discipline mathématique de la géotechnique, pour l’étude du comportement théorique des formations détritiques meubles de la couverture terrestre, sous l’action d’efforts naturels d’érosion (glissements de terrain...), ou induits lors de la construction de la plupart des ouvrages du BTP (terrassements, fondations, drainage...). Les « sols » de cette mécanique - mélanges divers et variés d’argiles, sables, graves.
Engineering geology is the application of geology to engineering study for the purpose of assuring that the geological factors regarding the location, design, construction, operation and maintenance of engineering works are recognized and accounted for. Engineering geologists provide geological and geotechnical recommendations, analysis, and design associated with human development and various types of structures.