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Multi-electrode focusing tbm advanced detection system and method based on bolt drilling

An advanced detection and multi-electrode technology, applied in radio wave measurement systems, electric/magnetic exploration, measurement devices, etc., can solve problems such as the influence of complex electromagnetic environments, the reduction of forecast accuracy, and the extraction of useful information, so as to reduce electromagnetic interference, The effect of stable distribution and increased acquisition

Active Publication Date: 2020-11-06
山东百廿慧通工程科技有限公司
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Problems solved by technology

This method is difficult to shield the side abnormal interference near the survey line (such as low-resistance water-bearing bodies, metal components, etc.), and it is difficult to extract useful information in front of the excavation face from the background interference data in a more complex environment, which may easily lead to prediction accuracy. Reduce or even false positives, this problem has not been well resolved
However, the power supply electrode of this method is very close to the TBM, and is easily affected by the complex electromagnetic environment generated by the TBM itself.

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  • Multi-electrode focusing tbm advanced detection system and method based on bolt drilling
  • Multi-electrode focusing tbm advanced detection system and method based on bolt drilling
  • Multi-electrode focusing tbm advanced detection system and method based on bolt drilling

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[0037] The present disclosure will be further described below in conjunction with the accompanying drawings and embodiments.

[0038] It should be noted that the following detailed description is exemplary and intended to provide further explanation of the present disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs.

[0039] It should be noted that the terminology used herein is only for describing specific embodiments, and is not intended to limit the exemplary embodiments according to the present disclosure. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and / or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and / or combinations thereof.

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Abstract

The invention provides a multi-electrode focusing TBM advanced detection system and method based on anchor rod drilling. The system comprises an electrode system and an electrode telescopic device, the electrode system at least comprises a measuring electrode M, a power supply electrode A, an electrode B at infinity and an electrode N at infinity, wherein the electrode B at infinity and an electrode N at infinity are installed on a tunnel side wall, the measuring electrode M is carried on a TBM through the electrode telescopic device, the measuring electrode M is driven to move by controllingthe electrode telescopic device, and the power supply electrode A is installed in a side wall at the rear of the tunnel face and parallel to the tunnel face. Based on a current focusing principle, thecurrent flowing into a target area is increased, signals are enhanced, and effective information is easier to acquire.

Description

technical field [0001] The disclosure belongs to the technical field of TBM advanced detection, and in particular relates to a multi-electrode focusing TBM advanced detection system and method based on bolt drilling. Background technique [0002] The statements in this section merely provide background information related to the present disclosure and do not necessarily constitute prior art. [0003] Tunnel construction methods mainly include drill and blast method and TBM method. TBM is chosen by more and more tunnel construction because of its fast excavation speed, small construction disturbance, high hole quality and high comprehensive economic and social benefits. Compared with the drill and blast method, the advanced prediction technology of TBM tunnel construction has always been a problem that has attracted much attention but has not been well resolved. At the same time, advanced tunnel geological detection is related to many aspects of tunnel construction, such as ...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01V3/00
CPCG01V3/00
Inventor 聂利超刘本超殷鑫刘征宇周维陈安东
Owner 山东百廿慧通工程科技有限公司
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