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A landslide warning method and system based on fuzzy comprehensive evaluation algorithm

A fuzzy comprehensive evaluation and slope technology, applied in the direction of prediction, calculation, alarm, etc., can solve problems such as inability to effectively guide prevention, limited time for landslides, and inability to detect slopes, etc.

Active Publication Date: 2021-03-16
CHINA INST OF WATER RESOURCES & HYDROPOWER RES
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Problems solved by technology

Early warning of landslides is the most effective way to reduce landslide losses. However, there are many existing landslide early warning methods. The method based on image monitoring is often unable to detect subtle changes in the slope. The time is very limited, and it is impossible to leave enough time for the transfer of personnel and materials. The method based on probability and statistics has poor accuracy and cannot effectively guide prevention

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  • A landslide warning method and system based on fuzzy comprehensive evaluation algorithm
  • A landslide warning method and system based on fuzzy comprehensive evaluation algorithm
  • A landslide warning method and system based on fuzzy comprehensive evaluation algorithm

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Embodiment Construction

[0059] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0060] The purpose of the present invention is to provide a kind of slope landslide early warning method and system based on fuzzy comprehensive evaluation algorithm, to improve the frontier and accuracy of landslide early warning.

[0061] In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawings and spec...

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Abstract

The invention provides a side slope landslide early warning method based on a fuzzy comprehensive evaluation algorithm. According to the method, the factors such as rainfall, rainfall speed, environment temperature and humidity, slope relaxation, slope water content and slope deformation speed which can cause the landslide risk are comprehensively considered, the technical defect that the landslide risk cannot be early warned at a single deformation speed is overcome, and the early warning frontier is improved. The weight of each influence factor is determined based on a fuzzy evaluation algorithm; meanwhile, the technical defect of high subjectivity of a fuzzy comprehensive evaluation algorithm is overcome; historical data of slope risk levels corresponding to different observation valuesof all influence factors are utilized; the average value of different observation values of the same influence factor is calculated, the average value of different observation values of each influence factor is taken as an element, a grade fuzzy comprehensive evaluation matrix is constructed, an evaluation value interval is determined by adopting a Monte Carlo algorithm, and the weight of each influence factor is determined by adopting a training mode, so that the objectivity and the accuracy of landslide prediction are improved.

Description

technical field [0001] The invention relates to the technical field of risk early warning, in particular to a slope and landslide early warning method and system based on a fuzzy comprehensive evaluation algorithm. Background technique [0002] Landslide is a geological phenomenon of slope rock and soil sliding along the through shear failure surface. Landslides often cause huge losses, some even devastating disasters, to industry, agricultural production, and people's lives and property. Early warning of landslides is the most effective way to reduce landslide losses. However, there are many existing landslide early warning methods. The method based on image monitoring is often unable to detect subtle changes in the slope. The time is very limited, and it is impossible to leave enough time for the transfer of personnel and materials. The method based on probability and statistics has poor accuracy and cannot effectively guide prevention. Contents of the invention [000...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G08B21/10G08B31/00G06Q10/04G06Q10/06G06Q50/26
CPCG06Q10/04G06Q10/0635G06Q10/067G06Q50/265G08B21/10G08B31/00
Inventor 雷添杰贾金生郑璀莹李翔宇王嘉宝
Owner CHINA INST OF WATER RESOURCES & HYDROPOWER RES
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