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Urban earthquake disaster risk assessment method and system

A risk assessment and disaster technology, applied in the field of risk assessment, can solve the problems of lack of sufficient explanation and comprehensive analysis and processing of prior knowledge selection principles, so as to improve urban security and disaster response capabilities, and enhance robustness and reliability. Universality, the effect of reducing likelihood

Pending Publication Date: 2020-06-02
HEFEI INST FOR PUBLIC SAFETY RES TSINGHUA UNIV +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This patent scheme makes good use of the prior knowledge of the Yassian network model to evaluate the probability of disaster transfer in the disaster chain, but it lacks sufficient explanations for the selection principles of relevant prior knowledge and is single , without comprehensive analysis

Method used

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  • Urban earthquake disaster risk assessment method and system
  • Urban earthquake disaster risk assessment method and system
  • Urban earthquake disaster risk assessment method and system

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0064] figure 1 It is a schematic flow diagram of Embodiment 1 of the present invention; as figure 1 , an urban earthquake disaster risk assessment method, comprising the following steps;

[0065] S1. Decompose the disaster event and decompose it into a relationship model among disaster-causing factors, disaster-affected bodies and action forms; figure 2 It is an exploded view of a disaster event in Embodiment 1 of the present invention; as figure 2 ;

[0066] Disaster events include basic scenarios, simple scenarios, and complex scenarios; among them;

[0067] The basic scenario refers to the event scenario in which a single type of disaster-causing factor and a single type of hazard-bearing body interact;

[0068] The simple scenario refers to the disaster-causing factor, hazard-bearing body, and action form. Among them, some two forms are single, and the other one is a situation with multiple forms. It is specifically divided into the following three categories:

[0...

Embodiment 2

[0167] Such as Figure 5 , Figure 5 It is a structural schematic diagram in Embodiment 2 of the present invention; an assessment system based on the described urban earthquake disaster risk assessment method, including;

[0168] The first acquisition module 301 is used to acquire the relationship model between disaster-causing factors, disaster-affected bodies and action forms based on disaster events;

[0169] The second acquisition module 302 is used to acquire the analysis model of the disaster event action process based on the relational model; it also includes; the analysis model process is:

[0170] Firstly, the disaster event elements are identified through the hazard-causing factors / disaster-affecting bodies / disaster-pregnant bodies. After obtaining each disaster event element, it is then judged whether there is an interaction between the hazard-causing factors and the hazard-bearing bodies. If not, the disaster event will not occur;

[0171] If so, combined with t...

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Abstract

The invention relates to an urban earthquake disaster risk assessment method and system. The method comprises the following steps: S1, obtaining a relation model among disaster-causing factors, disaster-bearing bodies and action forms based on disaster events; s2, obtaining an analysis model of a disaster event action process based on the relation model; s3, based on the analysis model, obtainingan evaluation matrix, and predicting the risk of the target; according to the method, the analysis model is obtained through the relationship among the disaster-causing factors, the disaster-bearing body and the action form, and the disaster size is judged according to the analysis model and the evaluation matrix, so that the urban safety guarantee capability and the disaster emergency capabilitycan be effectively improved.

Description

technical field [0001] The invention relates to the technical field of risk assessment, in particular to a method and system for urban earthquake disaster risk assessment. Background technique [0002] Cities are areas with the densest population, economy, and infrastructure, and have become the center of social economy and the symbol of human civilization and social progress. However, the geological disasters caused by the earthquake have seriously damaged the operation of the existing infrastructure in the city. In addition, the impact of the geological environment is prone to secondary disasters and accidents, which can easily lead to the destruction of the underground pipe network and the generation of foundation subsidence, thus causing water supply pipelines. Incidents such as pipe bursts, gas leaks, and underground cavities may even cause explosions, fires, and road subsidence. [0003] Therefore, it has become a realistic and urgent task to carry out the research on...

Claims

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Application Information

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IPC IPC(8): G06Q50/26G06Q10/06
CPCG06Q50/265G06Q10/0635
Inventor 李云飞许令顺张飞胡浩然汪渊
Owner HEFEI INST FOR PUBLIC SAFETY RES TSINGHUA UNIV
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