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Landslide dynamic response condition analysis method under multiple influence factors

A technology of influencing factors and dynamic response, applied in special data processing applications, instruments, electrical digital data processing, etc., can solve the problems of dynamic response without relevant research and analysis

Active Publication Date: 2018-04-13
CHINA UNIV OF GEOSCIENCES (WUHAN)
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Problems solved by technology

There is no relevant research and analysis on the dynamic response of landslides to external factors.

Method used

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  • Landslide dynamic response condition analysis method under multiple influence factors
  • Landslide dynamic response condition analysis method under multiple influence factors
  • Landslide dynamic response condition analysis method under multiple influence factors

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Embodiment Construction

[0042] In order to make the purpose, technical solution and advantages of the present invention clearer, the embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

[0043] Please refer to figure 1 , the embodiment of the present invention provides a kind of method of multi-influencing factors landslide dynamic response situation analysis, comprising the following steps:

[0044] S1. Statistics of rainfall data, reservoir water level data and surface displacement data according to the number of rainfall;

[0045] S2. Utilize the K-means clustering algorithm and the statistical rainfall data to divide the rainfall type;

[0046] The specific methods for classifying rainfall types are as follows:

[0047] S2.1. The preset interval period N, that is, there are N days (and above) without rainfall before and after a single rainfall, and the rainfall in the research period is divided into M times according to the preset ...

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Abstract

The invention discloses a landslide dynamic response condition analysis method under multiple influence factors. The method comprises the steps that statistical analysis is performed on rainfall data,reservoir water level data and surface displacement data according to the number of times of rainfall; rainfall types are divided; reservoir water level feature values are extracted; a response factor model of a landslide on external influence factors is constructed; dynamic response factors of the landslide on the external influence factors at different moments are obtained; and then according to the dynamic response factors of the external influence factors at different moments, dynamic response conditions of the landslide on different external influence factors are analyzed, and the external influence factors and the dynamic response factors are utilized to fit a surface displacement rate to obtain internal structure change conditions of the landslide. Through the method, the internalstructure change conditions of the landslide can be analyzed in real time, and the method is beneficial for analysis, prediction and early warning of the landslide subsequently.

Description

technical field [0001] The invention relates to the technical field of geological landslide disaster monitoring, in particular to a method for analyzing the dynamic response of landslides caused by multiple factors. Background technique [0002] During the course of landslide evolution, changes in the internal structure of the landslide will lead to changes in the response of the landslide to external factors. At different times and under different conditions, landslides respond differently to external factors. For example, when the landslide is in the stable creep deformation stage, the landslide is relatively stable and does not respond much to external factors. Even under conditions such as heavy rainfall or rapid decline of reservoir water, the macroscopic surface displacement does not change much. When the landslide is in the stage of accelerated deformation, the landslide responds sharply to external influences, and the increase of small external influence factors may...

Claims

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Application Information

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IPC IPC(8): G06F17/50G06K9/62
CPCG06F30/367G06F30/13G06F18/23213
Inventor 刘勇董智敏冯帅秦志萌陈喆胡宝丹
Owner CHINA UNIV OF GEOSCIENCES (WUHAN)
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