Abstract
Analysis and assessment of the slopes stability are an important in geotechnical engineering for all the times. The first and foremost requirement for the modelling and design of slope is to guarantee their safety and reliability during their service life. In analysing the overall stability of the ground, of soil or rock, all relevant modes of failure shall be taken into account. When modelling a slope stability processes, it should be considered: soil layering, occurrence and inclination of discontinuities, seepage and pore-water pressure distribution, shortand long-term stability, type of failure (circular or non-circular surface; toppling; flow), using of numerical methods. The paper deals with the modelling of ensuring slope stability.
Highlights
The issue of slope stability is highly topical in assessing the stability of existing slopes, and in the realization of excavations in the construction of various types of industrial or engineering buildings [1]
Variant IV - Cut wall is proposed in the gradient 1:1.25
Variant IV - Cut wall is proposed in the gradient 1:1.25, because the calculated factors of safety for the proposed Variant III are unsatisfactory (Table 2)
Summary
The issue of slope stability is highly topical in assessing the stability of existing slopes, and in the realization of excavations in the construction of various types of industrial or engineering buildings [1]. If the soil properties values (c, φ, γ) are adjusted by a reduction coefficients (γm) in the calculation and assessment of slope stability, it is sufficient to prove a stability greater than 1 (Fs > 1.0). Engineering-geological conditions were determined by geological survey They are represented by Quaternary sediments deluvial clays and proluvial-deluvial clays dominate the area. Weathered siltstones and claystones occur have the character of eluvial medium plasticity bedrock of consistent consistence (CL-F6). Weathered siltstones and claystones have the character of interbeded soil of medium plasticity of consistent and hard consistence. They represent the change from consistent soil F6 to weathered half-rocks R6. Weathered siltstones and claystones R6, have the character (F6 - CL,p) 21.0
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