Tunnel advanced geological prediction method and computer readable storage medium

A technology for advanced geological prediction and tunneling, applied in seismic signal processing and other directions, can solve the problems of difficult shot and detection points, strong imaging multi-solution, small seismic wave excitation and reception angle, etc. The effect of low sexuality and little interference from external influences
CN112305591AActive Publication Date: 2021-02-02CHINA UNIV OF GEOSCIENCES (BEIJING)
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
CHINA UNIV OF GEOSCIENCES (BEIJING)
Publication Date
2021-02-02

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Abstract

The invention discloses a tunnel advanced geological prediction method and a computer readable storage medium. The tunnel advanced geological prediction method comprises the steps: arranging a three-dimensional observation system on a tunnel face to realize three-dimensional seismic wave excitation and reception, and processing acquired data based on a deep learning algorithm to obtain the position of an abnormal body, wherein the step of processing the data based on the deep learning algorithm comprises the following sub-steps: rejecting bad track data from the acquired data based on an AlexNet convolutional neural network model algorithm, and filtering; identifying the first arrival wave based on a UNet convolutional neural network model algorithm, and estimating a direct wave speed; carrying out linear dynamic correction on the original data without the bad track data; carrying out equal travel time profile superposition on the data after linear dynamic correction; and carrying outreflection layer pickup on the superposed data. According to the tunnel advanced geological prediction method and the computer readable storage medium, the detection efficiency and the detection accuracy of the abnormal body can be improved.
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Description

technical field

[0001] The invention relates to the technical field of tunnel engineering, in particular to a method for advanced geological prediction of tunnels and a computer-readable storage medium. Background technique

[0002] Tunnel advance prediction technology is a technical method to detect the geological environment and geological structure in front of the tunnel face before and during the construction of the tunnel. Among them, the advanced tunnel prediction technology based on seismic detection detects the surrounding rock information in front of the tunnel face according to the elastic wave field of the tunnel surrounding rock, which has a large detection depth and high detection accuracy, and is one of the main advanced prediction technologies. According to the different detection methods, the existing tunnel advance prediction technology based on seismic detection can be roughly divided into two-dimensional detection technology and quasi-three-dimensional det...

Claims

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