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A method for judging stability of slope under load

A technology for judging method and stability, applied in special data processing applications, instruments, electrical digital data processing, etc., can solve problems such as unclear classification, loss, etc., achieve reliable theoretical methods, scientific and convenient calculations, and improve forecast reliability Effect

Active Publication Date: 2019-01-22
NORTHWEST RES INST OF ENG INVESTIGATIONS & DESIGN +1
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Problems solved by technology

However, the selection of membership functions in fuzzy comprehensive evaluation is subjective, and different people may use different judgment standards, and the membership degrees of each element obtained are also different.
At the same time, the result of fuzzy mathematical classification loses a lot of intermediate value information in the operation of choosing large and small, and the classification is unclear, and the classification degree cannot be compared with more subtle ones.

Method used

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  • A method for judging stability of slope under load
  • A method for judging stability of slope under load
  • A method for judging stability of slope under load

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Embodiment Construction

[0035] The present invention will be described in detail below in combination with specific embodiments.

[0036] figure 1 is the soil slope model under building loads. In the figure, O is a point on the sliding surface; z is the vertical distance from the slope to a point on the sliding surface.

[0037] A 5-storey residential building is going to be built in a certain place. The foundation adopts a strip foundation, and the building is in the design stage. The slope height gradually increases from northwest to southeast. figure 2 For the section diagram corresponding to the project, analyze the stability state of the slope, and confirm whether the slope needs to be reinforced.

[0038] figure 2 Approximately, the slope is regarded as a straight line. The distance from the edge of the strip foundation of the building to the edge line of the slope top is AB=15m; the foundation of the building is a strip foundation, and the length of the foundation is BC=10m; the design ...

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Abstract

The invention discloses a method for judging the stability state of a slope under a load. The physical and mechanical parameters of unsaturated soil are determined by geotechnical test, the position of sliding surface is assumed, and the length of the assumed sliding surface and the angle between any point on the sliding surface and the two ends of the load are obtained. The stability coefficientcalculation model based on load is established to calculate the stability coefficient of landslide. According to the calculation results, the slope stability state is evaluated and different reinforcement measures are taken according to different slope stability state. The invention has the beneficial effects of improving the reliability, accuracy and scientificity of the prediction, and providingtechnical support for the stability analysis, monitoring and early warning of the slope under the action of the load.

Description

technical field [0001] The invention belongs to the technical field of disaster prevention and reduction, and relates to a method for judging slope stability based on the improved Felenius method. Background technique [0002] Scholars at home and abroad have done related research on the evaluation method of slope top load and slope stability, often with the help of finite element numerical simulation method to analyze the influence of slope top load size and action form on slope stability, and found the The impact of building load size, action area, foundation form, and load form on slope stability, however, involves many parameter assignments and assumptions in the slope modeling process, which brings certain difficulties to slope stability evaluation. In theoretical analysis, the limit equilibrium method is widely used in the evaluation of slope stability, and the method is simple. However, the traditional limit equilibrium method cannot directly analyze the slope stabil...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/50
CPCG06F2119/06G06F30/20Y02A10/23
Inventor 燕建龙赵晓光赵治海王军徐张建程勇
Owner NORTHWEST RES INST OF ENG INVESTIGATIONS & DESIGN
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