Abstract
The stability of earthworks (cuttings, embankments, dikes) and natural slopes is a problem that is of concern to geotechnicians, both practitioners and researchers. The disorders generated by breaking the slopes are usually spectacular, often destructive and sometimes murderers. Many methods of calculating stability have been proposed. These are differentiated by the assumptions accepted by their authors (methods of calculation in equilibrium limit, methods of calculation at break, deformation calculation methods) and the ease of their implementation (calculations using charts, automatic calculations using software), but they all agree to define an overall factor of safety according to which the stability of the studied slope is considered to be insured or compromised, or by safety factor spartial effects on the one hand, applied stresses and, on the other hand, the mechanical properties soil. Various embankment strengthening techniques have been developed. They are differentiated by the process of their realization, their cost and their durability. The main objective of this study is to present the problems of both natural and artificial slope stability on construction projects. In this regard, special emphasis is given to the sensitivity of the calculation model input parameters (soil, load), which should contribute to raising awareness about this issue, as a prerequisite to make the right decisions and optimal technical solutions in this area.
Highlights
Construction of road embankment with varied heights is constantly carried out in China
Many methods of calculating stability have been proposed. These are differentiated by the assumptions accepted by their authors and the ease of their implementation, but they all agree to define an overall factor of safety according to which the stability of the studied slope is considered to be insured or compromised, or by safety factor spartial effects on the one hand, applied stresses and, on the other hand, the mechanical properties soil
The main objective of this study is to present the problems of both natural and artificial slope stability on construction projects
Summary
Construction of road embankment with varied heights is constantly carried out in China. Because of the stresses in the top and negligible soil strength, especially in the case of fine-grained soil, an opening crack occurs, which due to the direction of motion, may be revealed as a scarp on the surface. The appearance of such crack is a clear sign of instability of the slope at an early stage of its occurrence. Crack suggests that it may continue into the new sliding surface. Sliding can be a longtime and complex process, which sometimes influences changes in geometry of the landslide
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