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A Comprehensive Prediction Method for Slip Surface of Soil Slope

A soil slope and sliding surface technology, applied in geophysical surveying, instruments and other directions, can solve problems such as poor applicability and unintuitive results, and achieve the effects of intuitive results, high resolution, and high observation accuracy.

Active Publication Date: 2018-12-18
广西青辉环保技术有限责任公司
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Problems solved by technology

[0006] In order to overcome the shortcomings of poor applicability and unintuitive results of the slope sliding surface prediction method in the prior art, the present invention proposes a comprehensive prediction method for soil slope sliding surface

Method used

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  • A Comprehensive Prediction Method for Slip Surface of Soil Slope
  • A Comprehensive Prediction Method for Slip Surface of Soil Slope
  • A Comprehensive Prediction Method for Slip Surface of Soil Slope

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Embodiment Construction

[0045] The technical solutions of the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0046] (1) ground penetrating radar method

[0047] As a new technology of engineering geophysical prospecting, ground penetrating radar has the advantages of continuous, non-destructive, high efficiency and high precision. GPR is composed of integrated host, antenna and supporting software. According to the propagation characteristics of electromagnetic waves in lossy media, GPR transmits high-frequency electromagnetic waves (several MHz-several GHz) into the medium in the form of broadband short pulses. ), when it encounters an inhomogeneous body (interface), it will reflect part of the electromagnetic wave, and its reflection coefficient is determined by the relative permittivity of the medium. By processing the reflected signal received by the radar host and interpreting the image, the concealed target c...

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Abstract

The invention discloses a soil slope slip surface comprehensive forecasting method. The technique integrates three geophysical methods of a ground penetrating radar method, a high-density electrical method and a surface wave exploration method, and through different differences of physical properties and method principle, rapid acquisition and real-time data processing and comparison validation of slope slip surface on-site data are realized, so that method can draw on each other's strength and can overcome the problem of nondeterminacy of the single method, and has the advantages of high observation precision, high efficiency, high resolution, visual achievement and high reliability and the like.

Description

technical field [0001] The invention relates to a technology for forecasting the sliding surface of a slope, in particular to a method for comprehensively predicting the sliding surface of a soil slope. Background technique [0002] Effective prediction of slope sliding surface is the basis of slope stability analysis, slope geological hazard identification, risk assessment, monitoring and early warning. At present, there are two main problems in the prediction of slope sliding surface in the engineering field: first, there is a lack of integrated prediction of multiple methods, the prediction method is single, and the prediction results are uncertain; second, the current calculation and specification of slope sliding surface The theoretical basis of both is the limit equilibrium method, and numerical analysis and finite element simulation methods such as the Bishop method and the slice method are often used. These methods deviate from engineering reality to a certain extent...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01V11/00
Inventor 马少坤廖丽萍孙方勇赵艳林江杰陈立华许英姿刘莹
Owner 广西青辉环保技术有限责任公司