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Analysis method and system of transmission tower landslide disaster based on analogy method

A technology of transmission tower and analysis method, applied in the field of analysis method and system of landslide disaster of transmission tower, can solve the problems of not fully characterizing the degree of landslide disaster risk, difficulty in installing a local fixed-point monitoring device for landslide disaster, etc., achieving clear thinking and practicality Strong and accurate effect

Inactive Publication Date: 2019-03-12
STATE GRID HUNAN ELECTRIC POWER +2
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0005] The invention provides a method and system for analyzing landslide disasters of power transmission towers based on an analogy method, which is used to solve the problem that the existing landslide disaster prediction cannot fully characterize the risk degree of local landslide disasters around the power transmission towers, and the local fixed-point monitoring device for landslide disasters Difficult technical issues with installation

Method used

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  • Analysis method and system of transmission tower landslide disaster based on analogy method

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Embodiment 1

[0039] The analysis method of the transmission tower landslide disaster based on the analogy method of the present embodiment comprises the following steps:

[0040] S1: Obtain the evaluation data in the area where the power transmission tower landslide disaster warning is to be carried out. The evaluation data includes: geological structure data, rock and soil type data, topographic and geomorphic data (in this embodiment, it is topographic and geomorphic data based on DEM elevation data) , surface vegetation type data, human activity data, landslide hazard point data confirmed through investigation, and landslide hazard point data in the past 10 years.

[0041] S2: Considering the background condition factors such as geological structure, rock and soil type, topography, vegetation, human activities, etc., combined with the development and distribution characteristics of landslide hidden danger points confirmed by investigation, the evaluation of landslide disaster susceptibil...

Embodiment 2

[0056] This embodiment is an application example of Embodiment 1. This embodiment takes Hunan Province as an example to illustrate the application of Embodiment 1. The steps are basically the same as those of Embodiment 1, and will not be repeated here.

[0057] The analysis method of the transmission tower landslide disaster based on the analogy method of the present embodiment comprises the following steps:

[0058] (1) Data collection.

[0059] Carry out early warning of landslide disasters in power transmission poles and towers of Hunan Power Grid. Collect the 4×4km network in Hunan Province based on geological structure data, rock and soil type data, DEM elevation data, landform data, surface vegetation type data, human activity data such as large-scale industrial and mining, and landslide hidden danger points confirmed by investigation. The landslide disaster susceptibility evaluation map of the grid unit, the landslide disaster susceptibility degree is divided into fou...

Embodiment 3

[0071] This embodiment also provides a computer system, including a memory, a processor, and a computer program stored in the memory and operable on the processor. When the processor executes the computer program, the steps in any of the foregoing embodiments are implemented.

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Abstract

The invention discloses a method and a system for analyzing a landslide disaster of a transmission pole tower based on an analogy method, The method comprises the following steps: obtaining the evaluation data in the region to be used for the landslide hazard early warning of transmission poles and towers. The evaluation data include: geological structure data, rock and soil type data, topographyand geomorphology data, surface vegetation type data, human activity data, landslide potential hazard point data confirmed by investigation and landslide hazard point data in recent 10 years; According to the evaluation data, the evaluation grade of landslide disaster risk degree is divided into gridded grades. Selecting the mesh of the evaluation grade of landslide hazard susceptibility, extracting the characteristic information data of hazard points and the characteristic information data around the transmission tower and comparing them one by one. According to the comparison results, the possibility grade of landslide hazard around the transmission tower is divided.

Description

technical field [0001] The invention relates to the technical field of power grid protection, in particular to a method and system for analyzing power transmission tower landslide disasters based on an analogy method. Background technique [0002] Transmission lines of various voltage levels criss-cross, and are responsible for power transmission and energy deployment across the country. Transmission lines cross mountains, canyons and other topographical areas. Landslide disasters frequently occur near transmission towers, which can cause damage to tower foundations, or cause towers to tilt and overturn, and line disconnection. It has become one of the important disasters that threaten the safety of the power grid. It is of great significance to carry out early warning of landslide disasters near transmission towers for early response and rapid processing of disasters. [0003] At present, landslide disaster research mainly has two directions: one is the large-scale geologi...

Claims

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Application Information

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IPC IPC(8): G06Q10/06G06Q50/06
CPCG06Q10/0635G06Q50/06
Inventor 陆佳政李丽徐勋建李波叶钰杨莉
Owner STATE GRID HUNAN ELECTRIC POWER
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