Wave velocity testing method and device by single-hole method and terminal device

A test method, a single-hole method, is applied in the measurement device, the measurement of propagation velocity, and the measurement of ultrasonic/sonic/infrasonic waves.

Inactive Publication Date: 2018-11-30
河北中核岩土工程有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In view of this, the embodiment of the present invention provides a single-hole wave velocity testing method, device and terminal equipment to solve the problems in the prior art that the shear wave is difficult to identify and the test error is large

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  • Wave velocity testing method and device by single-hole method and terminal device
  • Wave velocity testing method and device by single-hole method and terminal device
  • Wave velocity testing method and device by single-hole method and terminal device

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Embodiment 1

[0032] figure 1 A wave velocity test system 1 is shown. The main body of the process of the single-hole method wave velocity test method provided by the embodiment of the present invention can be the wave velocity test device 13 in the wave velocity test system 1. The wave velocity test system 1 is described in detail as follows:

[0033] In one embodiment, the wave velocity testing system 1 includes a vibration source device 11, a vibration detection device 12, and a wave velocity testing device 13; wherein, the vibration source device 11 includes a signal generator 1111, a power amplifier 1112, a vibrator 1121, and an excitation block Body 1122 , counterweight 1123 and vibration source vibration sensor 1124 ; the vibration detection device 12 includes a wave detector 121 and a connecting part 122 .

[0034] In this embodiment, the vibration source device 11 is located on the ground surface near the borehole, and is used to generate a vibration source vibration signal. In th...

Embodiment 2

[0147] like Figure 7 As shown, an embodiment of the present invention provides a single-hole method wave velocity testing device 100 for performing figure 1 The method steps in the corresponding embodiment include:

[0148] The vibration source vibration waveform acquisition module 110 is used to obtain the vibration source vibration signal generated by the surface vibration source device at the resonance frequency, and generate the vibration source vibration waveform, and the resonance frequency is the system formed by the excitation block and the stratum in the vibration source device. Resonance frequency.

[0149] The measurement point vibration waveform acquisition module 120 is configured to acquire the vibration signals of each measurement point in the borehole detected by the geophone, and generate the corresponding measurement point vibration waveform.

[0150] The wave train diagram generation module 130 is used for obtaining a wave train diagram according to the c...

Embodiment 3

[0177] An embodiment of the present invention also provides a terminal device 9, including a memory 91, a processor 90, and a computer program 92 stored in the memory 91 and running on the processor 90. When the processor 90 executes the computer program 92, the implementation is implemented as The steps in each of the examples in Example 1, such as figure 2 Steps S101 to S104 are shown. Alternatively, when the processor 90 executes the computer program 92, the functions of each module in each device embodiment described in Embodiment 2 are implemented, for example, Figure 7 The functions of modules 110 to 140 are shown.

[0178] The terminal device 9 may be a computing device such as a desktop computer, a notebook, a palmtop computer, and a cloud server. The terminal device 9 may include, but is not limited to, a processor 90 and a memory 91 . For example, the terminal device 9 may also include an input / output device, a network access device, a bus, and the like.

[017...

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Abstract

The invention belongs to the technical field of engineering testing, and provides a wave velocity testing method and device by a single-hole method and a terminal device. The wave velocity testing method comprises the steps that firstly, a vibration source vibration signal generated by a surface vibration source device at a resonant frequency is obtained, a vibration source vibration waveform is generated, and the resonant frequency is the resonant frequency of a system formed by excitation blocks and strata in the vibration source device; vibration signals of measuring points in boreholes detected by a wave detector are obtained, and a corresponding measuring point vibration waveform is generated; then a wave train figure is obtained according to a mutual correlation analysis method, themeasuring point vibration waveform of the measuring points and the vibration source vibration waveform; and finally, the wave velocity testing results are obtained according to the wave train figure.The measurement of seismic waves is realized, the accuracy of seismic wave measurement in the strata is improved, and the study of the characteristics of foundation soil is facilitated.

Description

technical field [0001] The invention belongs to the technical field of engineering testing, and in particular relates to a single-hole wave velocity testing method, device and terminal equipment. Background technique [0002] Single-hole method wave velocity test is an important means to test rock-soil shear wave velocity, compression wave velocity, dynamic shear modulus, dynamic elastic modulus and dynamic Poisson's ratio in geotechnical engineering investigation. Transient excitation on the surface is adopted, and a sledgehammer is used to strike the shear plate of the upper weight in the horizontal direction of the orifice to excite seismic waves with a high proportion of shear wave components, and to strike a circular iron plate vertically to excite a proportion of compression wave components For high seismic waves, use the three-component geophone and the wave velocity testing instrument placed at a specified depth in the hole to receive the ground excitation and the se...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01V1/16G01H5/00
CPCG01H5/00G01V1/16
Inventor 陈小峰赵在立李玉良梁少春胡胜波苏铁军宋金利
Owner 河北中核岩土工程有限责任公司
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