Earthquake intensity estimation method and device

A technology of seismic intensity and intensity, which is applied in the field of seismic intensity assessment methods and devices, and can solve problems such as deviation and intensity distribution map deviation

Inactive Publication Date: 2018-08-07
INST OF ENG MECHANICS CHINA EARTHQUAKE ADMINISTRATION
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Problems solved by technology

[0004] However, due to the complexity of earthquake damage, there is a large deviation between the rapidly estimated intensity and the actual survey intensity map
For example, for the Wenchuan M8.0 earthquake, there is a large deviation between the assessment results of the US intensity rapid assessment map ShakeMap and the intensity distribution map assessed by the Wenchuan M8.0 earthquake site survey

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  • Earthquake intensity estimation method and device
  • Earthquake intensity estimation method and device
  • Earthquake intensity estimation method and device

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Embodiment Construction

[0066] Specific embodiments of the present disclosure will be described in detail below in conjunction with the accompanying drawings. It should be understood that the specific implementations described here are only used to illustrate and explain the present disclosure, not to limit the present disclosure.

[0067] figure 1 is a flow chart of a seismic intensity assessment method shown according to an exemplary embodiment, such as figure 1 As shown, the seismic intensity assessment method can be applied to a computer, including the following steps.

[0068] Step S11: Construct a seismic intensity assessment model based on historical ground motion parameters and corresponding historical seismic intensity in multiple places.

[0069] Step S12: Obtain the target ground motion parameter values ​​collected by the target station when an earthquake occurs.

[0070] Step S13: According to the target ground motion parameter value and the seismic intensity assessment model, obtain t...

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Abstract

The disclosure relates to an earthquake intensity estimation method and device. Earthquake intensity probability is estimated at the premise of considering earthquake intensity uncertainty; deviationsbetween determined earthquake intensity estimated value and actual value due to discreteness between earthquake intensity and earthquake ground motion parameters are avoided. The method comprises: constructing an earthquake intensity estimation model according to historical earthquake ground motion parameters of various sites and corresponding historical earthquake intensities; acquiring target earthquake ground motion parameter values acquired when an earthquake occurs to a target station; acquiring probabilities of the earthquake intensity of the location of the target station to respectively be intensity levels according to the target earthquake ground motion parameter values and the earthquake intensity estimation model.

Description

technical field [0001] The present disclosure relates to the field of earthquake monitoring, in particular, to a method and device for assessing seismic intensity. Background technique [0002] After an earthquake occurs, it will cause damage to the surface buildings and bring losses to people's lives and properties. Seismic intensity is the most intuitive index to measure the intensity of ground vibration caused by an earthquake and the degree of damage and casualties. Seismic intensity plays an extensive and irreplaceable role in earthquake prevention and disaster reduction, and is the basis for research on post-earthquake emergency relief, seismic code and design, earthquake damage prediction, ground motion parameters, and the relationship between ground motion attenuation. The traditional intensity assessment method requires earthquake workers to rush to the earthquake site after the earthquake, and assess the intensity after comprehensively assessing various regions. O...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/18G06F17/50
CPCG06F17/18G06F30/20
Inventor 杜轲公晓颖丁宝荣
Owner INST OF ENG MECHANICS CHINA EARTHQUAKE ADMINISTRATION
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