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Soil slope stability analysis method based on sliding zone

A technology of stability analysis and sliding zone, which is applied in the field of foundation soil survey, foundation structure engineering, special data processing application, etc., can solve the problem of unsystematic research of soil slope stability analysis method in sliding zone, and achieve reliable results

Active Publication Date: 2017-12-15
HOHAI UNIV
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Problems solved by technology

[0004] At present, there is no systematic research on the analysis method of soil slope stability based on the sliding zone, and the relevant research mainly focuses on the form of the sliding zone, the failure mechanism, and the physical and mechanical properties of the sliding zone soil.

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  • Soil slope stability analysis method based on sliding zone
  • Soil slope stability analysis method based on sliding zone
  • Soil slope stability analysis method based on sliding zone

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Embodiment Construction

[0052] As a common engineering form, the instability of earth slope will pose a huge threat to people's life and property, engineering construction and so on. Reasonable analysis of soil slope stability is the premise of preventing landslide disasters, designing slopes and organizing engineering construction. At present, almost all the methods for soil slope stability analysis only consider the sliding surface, such as qualitative analysis, limit equilibrium method, limit analysis method, numerical analysis method, non-deterministic analysis method, etc. The relevant research mainly focuses on the form of the sliding zone, In terms of the failure mechanism and the physical and mechanical properties of the sliding zone soil, most of these studies believe that the soil slope is unstable based on the most dangerous sliding surface, which is somewhat different from the reality.

[0053] However, when the actual soil slope slides, it is a sliding zone, and there is no systematic st...

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Abstract

The invention relates to the field of soil slope stability analysis, in particular to a soil slope stability analysis method based a sliding zone. Through numerical value calculation, the sliding zone is simulated, on this basis, a sliding surface which meets a specific requirement is screened, a safety coefficient of the sliding surface is subjected to weighted processing, a final safety coefficient of a soil slope is calculated, not only is the influence generated when multiple reasonable dangerous sliding surfaces in the sliding zone landslide taken into full account of, but also the result of weighted processing is reliable, and the soil slope stability analysis method is relatively conservative and can meet engineering practical needs.

Description

technical field [0001] The invention relates to the field of soil slope stability analysis, in particular to a soil slope stability analysis method based on a sliding zone. Background technique [0002] At present, in the analysis of soil slope stability, the sliding surface is considered to be the shear failure surface formed between the sliding soil and the unsliding soil below, while the sliding zone (shear zone) refers to the failure of the soil slope when the slope fails. Due to the strain softening of the soil material, the inhomogeneity of the soil, the disturbance, dragging, and folding of the soil during sliding, a band-shaped area with a certain thickness and concentrated shear deformation is formed in the slope. [0003] When the actual soil slope is destabilized and damaged, it is usually carried out along the sliding zone (shear zone). However, the current methods for soil slope stability analysis almost only consider the sliding surface, such as qualitative ana...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/50E02D1/02
CPCE02D1/022G06F30/23
Inventor 高玮王家超冯威王加勇
Owner HOHAI UNIV
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