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Method and Device for Measuring and Calculating Shear Wave Velocity at Site

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: 2022-07-01
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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  • Method and Device for Measuring and Calculating Shear Wave Velocity at Site
  • Method and Device for Measuring and Calculating Shear Wave Velocity at Site

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Embodiment Construction

[0046] In order to make the objectives, technical solutions and advantages of the present application clearer, the technical solutions of the present application will be described in detail below. Obviously, the described embodiments are only a part of the embodiments of the present application, but not all of the embodiments. Based on the examples in this application, all other implementations obtained by those of ordinary skill in the art without creative work fall within the scope of protection of this application.

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

[0048] like figure 1 As shown, in one embodiment, the method for calculating the site shear wave velocity proposed in this application includes:

[00...

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Abstract

The present application relates to a method and device for measuring and calculating site shear wave velocity, belonging to the technical field of earthquake engineering. The method of the present application includes: acquiring lithologic description information of a target soil layer, and confirming the corresponding lithologic description information of the target soil layer according to the lithologic description information. Soil type, wherein the target soil layer is a soil layer within a preset depth range of the site to be tested; according to the additional stress on the soil body of the target soil layer at its depth position, the The shear wave velocity empirical data corresponding to the type is corrected, and the corrected data is used as the shear wave velocity data of the target soil layer; based on the shear wave velocity data of the target soil layer, the coverage within the preset depth range is calculated. The average shear wave velocity of the soil layer is taken as the shear wave velocity of the site to be tested. The present application helps to more accurately and reliably realize the calculation of the shear wave velocity of the site.

Description

technical field [0001] The present 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 all over the world, the method of site classification is adopted to consider the influence of the engineering 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 quantitative estimation of the impact of the site on the ground motion. Generally, test holes can be drilled on the site and tested based on the 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 ...

Claims

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Application Information

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Patent Type & Authority Patents(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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