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Landslide stability evaluation method based on electric technique and numerical simulation

A numerical simulation and evaluation method technology, which is applied in the fields of electrical digital data processing, radio wave reflection/re-radiation, data processing applications, etc., can solve the problem of single evaluation of landslide stability, and achieve rich evaluation information, accurate results, The effect of spreading value widely

Inactive Publication Date: 2018-08-17
SHANDONG UNIV
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Problems solved by technology

[0003] At present, the evaluation of landslide stability is relatively simple, usually independent evaluation of geophysical and geotechnical techniques for landslide investigation

Method used

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  • Landslide stability evaluation method based on electric technique and numerical simulation

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Embodiment 1

[0047] Embodiment one specifically includes:

[0048] Step 1: Based on insar technology, carry out regional geological survey to obtain potential landslide areas.

[0049] Insar disaster census: use insar technology to carry out regional geological census in high-risk areas of landslide disasters in my country, and initially determine potential landslide areas. At the same time, based on the Insar technology, select the appropriate terrain in the potential landslide area, and arrange high-density survey lines according to the shape of the landslide.

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Abstract

The invention discloses a landslide stability evaluation method based on an electric technique and numerical simulation. The method comprises the following steps: carrying out regional geological survey based on an insar technology to obtain a potential landslide area, electrically measuring the potential landslide area by using the high-density electric technique, and looking for a potential sliding surface; establishing a preliminary evaluation system according to the measurement result, preliminarily evaluating the landslide stability, performing geological survey on a landslide area with the risk being greater than a preset value to obtain corresponding rock physico-mechanical parameters; and performing numerical simulation on the risk area to obtain the safety factor of the landslide,and secondarily evaluating the landslide risk to obtain a landslide safety factor corresponding to a simulated working condition.

Description

technical field [0001] The invention relates to a landslide stability evaluation method based on electrical method and numerical simulation. Background technique [0002] Pre-existing landslide activity, geology and topography, soil strength and hydrological conditions are complex factors affecting landslide behaviour. [0003] Currently, the evaluation of landslide stability is relatively single, usually independent evaluation of geophysical and geotechnical techniques for landslide investigation. Various assessment methods have their own advantages, so it is necessary to use a multidisciplinary approach to landslide characterization and hazard assessment. Contents of the invention [0004] In order to solve the above problems, the present invention proposes a landslide stability evaluation method based on electrical methods and numerical simulations. The present invention overcomes the shortcomings of the independent evaluation of geophysical methods and geotechnical en...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N27/02G01S13/90G06F17/50G06Q50/26
CPCG01N27/02G06Q50/265G01S13/904G06F30/20G01S13/9023
Inventor 薛翊国李志强周炳桦张开曲传奇邱道宏苏茂鑫李广坤王鹏
Owner SHANDONG UNIV
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