Site shear wave velocity measuring and calculating method and device

A technology of shear wave and field, applied in measuring devices, geophysical measurement, seismology, etc., can solve the problem of low prediction accuracy and achieve accurate and reliable estimation

Active Publication Date: 2021-08-17
INST OF GEOPHYSICS CHINA EARTHQUAKE ADMINISTRATION
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Problems solved by technology

In related technologies, the shear wave velocity is often predicted based on surface geology and topography, but this method can only consider the geology, topography and topography characteristics of the site surface, and ignores the influence of the covering soil layer below the site surface on the site shear wave velocity. Prediction accuracy is not high

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  • Site shear wave velocity measuring and calculating method and device
  • Site shear wave velocity measuring and calculating method and device
  • Site shear wave velocity measuring and calculating method and device

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Embodiment Construction

[0046] In order to make the purpose, technical solution and advantages of the present application clearer, the technical solution of the present application will be described in detail below. Apparently, the described embodiments are only some of the embodiments of this application, not all of them. Based on the embodiments in the present application, all other implementation manners obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present application.

[0047] As mentioned in the background technology, in the actual engineering construction, the existing method has the problem of low accuracy in measuring and calculating the shear wave velocity of the site. In view of this, this application proposes a method for calculating the shear wave velocity of the site.

[0048] Such as figure 1 As shown, in one embodiment, the site shear wave velocity calculation method proposed by the application includes:

[0049] St...

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Abstract

The invention relates to a site shear wave velocity measuring and calculating method and device, and belongs to the technical field of earthquake engineering, and the method comprises the steps: obtaining lithology description information of a target soil layer, and determining a soil body type corresponding to the target soil layer according to the lithology description information, the target soil layer being a soil layer in a preset depth range of a to-be-measured site; correcting the shear wave velocity empirical data corresponding to the soil body type according to the additional stress of the soil body of the target soil layer at the depth position, and taking the corrected data as the shear wave velocity data of the target soil layer; and based on the shear wave velocity data of the target soil layer, calculating the average shear wave velocity of the covering soil layer within the preset depth range as the shear wave velocity of the to-be-measured site. According to the method, the site shear wave velocity can be measured and calculated more accurately and reliably.

Description

technical field [0001] The application belongs to the technical field of earthquake engineering, and in particular relates to a method and device for measuring and calculating site shear wave velocity. Background technique [0002] Local site conditions have an important impact on engineering earthquake damage and ground motion characteristics. In the seismic design codes of general buildings and structures in all countries in the world, the method of site classification is adopted to consider the influence of the project site on the design ground motion parameters. Obtaining the shear wave velocity of the covering soil layer is an important basis for site classification and quantitatively estimating the impact of the site on earthquake motion. Generally, test holes can be drilled on the site and tested based on a shear wave velocity tester to obtain the shear wave velocity of the covering soil layer. Cut wave speed. [0003] In actual engineering construction, due to the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01V1/30G06F17/18
CPCG01V1/303G06F17/18G01V2210/612G01V2210/6222G01V2210/6161
Inventor 谢俊举王鹏飞李小军温增平贾琳安昭
Owner INST OF GEOPHYSICS CHINA EARTHQUAKE ADMINISTRATION
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