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A house earthquake damage matrix curve analysis system and method based on earthquake motion parameters

A technology for analyzing systems and earthquakes, applied in electrical digital data processing, special data processing applications, instruments, etc., can solve problems that are difficult to meet actual needs

Active Publication Date: 2019-03-01
INST OF GEOPHYSICS CHINA EARTHQUAKE ADMINISTRATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In order to accurately predict the seismic performance of building structures, better carry out structural seismic design, complete the reinforcement and maintenance of existing buildings, and accelerate the implementation of earthquake insurance nationwide, the vulnerability matrix based on intensity is difficult to meet the actual needs. , especially for simple houses such as civil structures and masonry structures, it is difficult to obtain their vulnerability curves through structural simulation analysis

Method used

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  • A house earthquake damage matrix curve analysis system and method based on earthquake motion parameters
  • A house earthquake damage matrix curve analysis system and method based on earthquake motion parameters
  • A house earthquake damage matrix curve analysis system and method based on earthquake motion parameters

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Embodiment 1

[0084] Such as figure 1 As shown, embodiment 1 of the present invention provides a kind of analysis method of house earthquake damage matrix curve analysis based on earthquake motion parameters, comprising the following steps:

[0085] S1: Collect historical earthquake damage data and building survey information in the area to be studied, and generate intensity-based vulnerability matrices for various building structures accordingly;

[0086] 204 survey points were selected in Sichuan Province, and a total of 23,946 buildings were surveyed. According to the regulations of GB / T24335-2009, the damage levels of buildings are divided into 5 categories: DS k (k=0, 1, 2, 3, 4) respectively represent the five damage states of "basically intact", "slightly damaged", "moderately damaged", "seriously damaged" and "destroyed"; LS s (s=1, 2, 3, 4) are the thresholds between the five damage states, which respectively represent the limit values ​​of the four damage states of "slight damage...

Embodiment 2

[0123] Such as figure 2 As shown, embodiment 2 of the present invention provides a kind of analysis system of house earthquake damage matrix curve analysis system based on earthquake motion parameters that realizes the above calculation method, including the following parts:

[0124] Data collection and statistics module 1 is used to collect historical earthquake damage data and building survey information in the area to be studied, and accordingly generate intensity-based vulnerability matrices for various building structures;

[0125] The first analysis module 2 of vulnerability exceeding probability is used to generate intensity-based vulnerability exceeding probability matrices for various building structures according to the intensity-based vulnerability matrix;

[0126] Earthquake parameter acquisition module 3, configured to acquire earthquake parameters corresponding to each level of seismic intensity, where the earthquake parameters include at least one of peak accel...

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Abstract

The invention provides a house earthquake damage matrix curve analysis method based on earthquake motion parameters and a corresponding system. Based on the corresponding relationship between the intensity and the seismic oscillation parameters, a maximum likelihood estimation method is adopted; A correct house vulnerability matrix or a damage ratio result of actual earthquake damage statistics isconverted into a dual-parameter vulnerability curve, the defect based on the intensity vulnerability curve is overcome, and a simpler and more convenient way for obtaining the vulnerability curve isprovided for the structural types, difficult to simulate and analyze, of civil engineering, bricks, stones and the like. And on the basis of the relationship between the intensity and the seismic oscillation parameters, seismic vulnerability curve characteristic parameters of various house structures are given, and basic data can be provided for house building seismic damage assessment based on the seismic oscillation parameters. The method and the system are high in reliability and wide in application range, and can be used for verifying and perfecting an existing vulnerability matrix or curve, so that the method and the system can better serve the fields of rapid evaluation of earthquake disasters, risk evaluation, insurance estimation and the like.

Description

technical field [0001] The invention belongs to the technical field of building information processing, and in particular relates to a system and method for analyzing building earthquake damage matrix curves based on earthquake motion parameters. Background technique [0002] my country is one of the countries with the most serious land earthquake disasters in the world, especially with the continuous acceleration of economic construction and urbanization process, the potential risk level of earthquake disasters is constantly increasing. Vulnerability analysis is one of the three main parts of disaster risk analysis (earthquake risk analysis, vulnerability analysis of disaster-affected bodies, and disaster loss assessment), and its core is to establish the probability of building structures appearing or exceeding various damage states. relationship with earthquake intensity. Seismic vulnerability analysis of building structures is of great significance for earthquake damage...

Claims

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Application Information

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IPC IPC(8): G06F17/50E04H9/02
CPCE04H9/02G06F30/13
Inventor 陈波
Owner INST OF GEOPHYSICS CHINA EARTHQUAKE ADMINISTRATION
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