Analogue modeling of Love type channel wave and its response to faults

LIU Qiang; HU Jiwu; WANG Pan; JIA Qian

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LIU Qiang, HU Jiwu, WANG Pan, JIA Qian, . Analogue modeling of Love type channel wave and its response to faults[J]. COAL GEOLOGY & EXPLORATION.

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LIU Qiang, HU Jiwu, WANG Pan, JIA Qian, . Analogue modeling of Love type channel wave and its response to faults[J]. COAL GEOLOGY & EXPLORATION.

Citation:

LIU Qiang, HU Jiwu, WANG Pan, JIA Qian, . Analogue modeling of Love type channel wave and its response to faults[J]. COAL GEOLOGY & EXPLORATION.

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Analogue modeling of Love type channel wave and its response to faults

1. Xi'an Research Institute(Group) Co. Ltd., China Coal Technology and Engineering Group Corp., Xi'an 710077, China;
2. Xi'an CCTEG Transparent Geology Technology Co. LTD, Xi'an, China

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Received Date: February 14, 2023
Revised Date: July 30, 2023
Available Online: October 16, 2023

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Abstract

Channel wave seismic exploration has been widely used in the exploration of hidden disaster-causing bodies in underground coal mines because of its high resolution and small energy attenuation. However, the accuracy of channel wave seismic exploration at this stage cannot meet the requirements of mine intelligence. In order to improve the detection accuracy, a lot of research has been carried out in numerical simulation. At present, the subject of channel wave analogue modeling is mostly Rayleigh channel wave under the condition of two-dimensional model, and the research of Love channel wave in three-dimensional channel wave analogue modeling is less. In order to master the propagation rule of Love-type channel wave, the analogue modeling of Love type channel wave was carried out. Based on the propagation and particle vibration characteristics of Love type channel wave field, the Love type channel wave in analogue modeling is successfully observed through the construction of analogue modeling platform, the design and manufacture of analogue modeling model, and the solid ultrasonic analogue modeling, and the wave field dispersion curve is consistent with the theoretical value. At the same time, the research and development found that the frequency components of the wave field before and after the fault have undergone a significant conversion with the Airy phase as the boundary, and the channel wave energy is almost completely attenuated after passing through the fault. The research results will provide basic platform support for acquisition, processing and interpretation methods for subsequent quantitative and refined seismic channel exploration.
- Love type channel wave,
- analogue modeling,
- the fault,
- channel wave seismic exploration

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Analogue modeling of Love type channel wave and its response to faults

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