Regional landslide risk assessment method, system and device and storage medium

A hazard and regional technology, applied in instruments, data processing applications, forecasting, etc., can solve the problems of insufficient consideration of the physical and mechanical mechanism of landslides, insufficient quantification of landslide hazard, strong dependence on historical data, etc., and achieve good application. Prospects, reduced dependencies, and actionable effects

Active Publication Date: 2020-08-21
WUHAN CENT CHINA GEOLOGICAL SURVEY CENT SOUTH CHINA INNOVATION CENT FOR GEOSCIENCES
View PDF7 Cites 9 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this type of method not only requires a large amount of accurate historical landslide time and rainfall data, but also the basic data used in the evaluation and analysis are mostly data after landslides have occurred, which is highly dependent on historical data and does not fully co...

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Regional landslide risk assessment method, system and device and storage medium
  • Regional landslide risk assessment method, system and device and storage medium
  • Regional landslide risk assessment method, system and device and storage medium

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Embodiment one, as figure 1 As shown, a risk assessment method for regional landslides includes the following steps:

[0031] S1: Obtain the regional basic data of the research area, and obtain the mechanical parameters and rainfall data of the research area according to the regional basic data;

[0032] S2: Using a regional rainfall infiltration numerical simulation method, according to the mechanical parameters and the rainfall data, the groundwater level change data of the research area at each moment during the entire rainfall period is obtained;

[0033] S3: Select any moment in the rainfall period, and use the limit equilibrium method to evaluate the stability of the research area at the selected moment according to the mechanical parameters and the groundwater level change data at the selected moment Analyze, obtain the landslide occurrence probability and a plurality of landslide strengths corresponding to the landslide occurrence probability at a selected mome...

Embodiment 2

[0097] Embodiment two, such as Figure 5 As shown, a risk assessment system for regional landslides is applied to the risk assessment method for regional landslides in Embodiment 1, including a data acquisition module, a data processing module, a stability analysis module, a probability estimation module and a risk calculation module ;

[0098] The data acquisition module is used to acquire regional basic data of the research area, and obtain mechanical parameters and rainfall data of the research area according to the regional basic data;

[0099] The data processing module is used to obtain the groundwater level change data of the research area at each moment during the entire rainfall period according to the mechanical parameters and the rainfall data by using a regional rainfall infiltration numerical simulation method;

[0100] The stability analysis module is used to select any moment in the rainfall period, and adopt the limit equilibrium method, according to the mecha...

Embodiment 3

[0139] Embodiment 3. Based on Embodiment 1 and Embodiment 2, this embodiment also discloses a risk assessment device for regional landslides, including a processor, a memory, and a device stored in the memory and operable on the processor. A computer program that, when run, implements the figure 1 The specific steps from S1 to S6 are shown.

[0140] By storing the computer program on the memory and running on the processor, the risk assessment of the regional landslide of the present invention is realized, the dependence on historical data is reduced, and the risk prediction model based on the rainfall-induced landslide formation mechanism is established. Realized the quantitative expression of landslide action intensity in regional landslide hazard risk assessment, greatly improved the reliability of regional landslide hazard risk assessment results, and can be used for regional risk assessment of all rainfall-type soil landslides, with strong operability and Good applicatio...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention relates to a regional landslide risk assessment method, system and device and a storage medium, and the method comprises the steps: obtaining regional basic data of a research region, and obtaining mechanical parameters and rainfall data according to the regional basic data; adopting a regional rainfall infiltration numerical simulation method to obtain underground water level changedata at each moment in the whole rainfall periodd according to the mechanical parameters and the rainfall data; analyzing the stability of the research area by adopting an extreme equilibrium methodto obtain a landslide occurrence probability and a landslide intensity occurrence probability at each moment in a rainfall period; and establishing a risk calculation formula of the landslide disasteraccording to all the landslide occurrence probabilities and all the landslide intensity occurrence probabilities in the rainfall period, and obtaining the risk of the research area according to the risk calculation formula. According to the method, the risk prediction model based on the rainfall-induced landslide formation mechanism is established, quantitative expression of landslide intensity in landslide risk assessment is realized, and the reliability of regional landslide disaster risk assessment is improved.

Description

technical field [0001] The invention relates to the field of landslide risk prediction, in particular to a regional landslide risk assessment method, system, device and storage medium. Background technique [0002] Landslide hazard assessment is the basis of landslide risk research, and it is also an important means to realize landslide hazard prediction and then formulate prevention and control plans. [0003] The current landslide risk prediction methods are generally based on mathematical models considering the geological and geomorphic conditions of disaster formation, establishing a statistical relationship model between rainfall and disaster events, and then predicting the risk of regional landslides. The theoretical framework belongs to the category of statistical forecasting. However, this type of method not only requires a large amount of accurate historical landslide time and rainfall data, but also the basic data used in the evaluation and analysis are mostly data...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): G06Q10/04G06Q10/06G06Q50/26
CPCG06Q10/04G06Q10/0635G06Q50/265
Inventor 刘磊徐勇王宁涛付小林连志鹏
Owner WUHAN CENT CHINA GEOLOGICAL SURVEY CENT SOUTH CHINA INNOVATION CENT FOR GEOSCIENCES
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap