Abstract
There are many engineering-geological problems in Moscow, including seepage deformation, karst and landslide. Among them, landslides develop along the Moscow River and its branches. This paper aims to analyze the slope stability of “Vorobyovy Gory” landslide with the help of the program GeoStudio. According to the limit equilibrium method, we can know the slope stability. In addition, we can know the internal friction angle among in the physical and mechanical parameters of soil layer has the greatest influences on its stability by sensitivity analysis. Finally, we can get the probability of damage by probabilistic analysis.
Highlights
IntroductionFrom the surface down to a depth of 150 m, it distributed as quaternary soil layer from top to bottom, sand and clay deposits of the cretaceous and Jurassic periods
Moscow city is located in the middle of the eastern European platform
As shown in Fig .5, the internal friction angle of 8-soil layer has the greatest influence on stability, followed by the unit weight of 2, 3, 4-soil layer
Summary
From the surface down to a depth of 150 m, it distributed as quaternary soil layer from top to bottom, sand and clay deposits of the cretaceous and Jurassic periods Geological hazards in this area are mainly seepage deformation, karst and landslide [1]. Various uncertainties exist in slope engineering, such as inherent spatial variability of soil properties, changing environmental conditions Effects of these uncertainties on probability of slope failure are often significant .People have developed several probabilistic methodologies to incorporate these uncertainties in slope stability analysis, such as the First Order Second Moment method, First Order Reliability Method, Monte Carlo Simulation method [7]. Based on previous field exploration data and published references, this paper makes a sensitivity analysis and probabilistic analysis of the physical and mechanical parameters of soil layer affecting the Vorobyovy Gory landslide by means of numerical simulation
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