Electrode transmission device for high-resolution three-dimensional (3D) CT (computerized tomography) imaging in underground engineering

A high-resolution, underground engineering technology, applied in measurement devices, electrical/magnetic exploration, utilization of re-radiation, etc., can solve the problem of inability to achieve three-dimensional accurate positioning of geological anomalies, inability to achieve fine and high-resolution deep detection, and difficult to achieve geological 3D detection and other problems, to achieve the effect of improving deep resolution, enriching data volume, and accurate 3D imaging effect

Active Publication Date: 2012-10-24
SHANDONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] To sum up, there are two problems in the advanced geological prediction of underground engineering as follows: ① The detection accuracy and resolution decrease with the increase of the exploration depth, and it is impossible to realize the fi

Method used

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  • Electrode transmission device for high-resolution three-dimensional (3D) CT (computerized tomography) imaging in underground engineering
  • Electrode transmission device for high-resolution three-dimensional (3D) CT (computerized tomography) imaging in underground engineering
  • Electrode transmission device for high-resolution three-dimensional (3D) CT (computerized tomography) imaging in underground engineering

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] Example 1 Systems and Methods Using the Electrode Delivery and Quick Coupling Devices of Example 2

[0041] Such as figure 1 , figure 2 As shown, a high-resolution three-dimensional resistivity CT imaging advanced prediction system for underground engineering under complex geological conditions, which vertically drills a pair of parallel boreholes of equal depth (borehole 1 and borehole 2) on the working face 1 of the tunnel underground engineering Hole 2 3), the electrode system delivery and quick coupling devices are arranged in the two boreholes, such as image 3 shown. The electrode system delivery and quick coupling device in deep and long boreholes is composed of three parts: a self-retractable spring electrode 5 , a PE plastic outer sleeve 9 and a plexiglass rotatable inner sleeve 10 . The self-retractable spring electrode 5 is composed of five parts: an electrode casing 14 , a spring 15 , a metal electrode 16 , a ratchet structure 17 and an electrode cap 18 . ...

Embodiment 2

[0052] Example 2 Electrode delivery and quick coupling device

[0053] Such as image 3 , Figure 4 As shown, an electrode delivery and quick coupling device for underground engineering, which includes: (1) PE plastic outer sleeve 9, with a conductive adhesive loading tank 13 filled with conductive adhesive; (2) plexiglass rotatable inner sleeve The tube 10 includes a rotatable sleeve. After the sleeve is rotated, it can have a space connecting the conductive adhesive loading groove 13 and the inside of the sleeve, and the outer end of the sleeve is provided with a rotating handle 11, and the plexiglass inner sleeve can be rotated The inside of 10 passes through a multi-core cable 4 used as a money tester; (3) several self-retractable spring electrodes 5, each self-retractable spring electrode 5 includes an electrode shell 14, and a metal electrode 16 is arranged inside the electrode shell 14, The metal electrode 16 is connected to the multi-core cable 4, and also includes a...

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Abstract

The invention discloses an electrode transmission device for high-resolution three-dimensional (3D) CT (computerized tomography) imaging in underground engineering. The device comprises an external sleeve, a rotary internal sleeve, a plurality of telescopic electrodes and a structure, wherein the external sleeve is provided with a conductive adhesive loading groove for loading the conductive adhesive; the rotary internal sleeve comprises a rotational sleeve, a space communicating the conductive adhesive loading groove the with the inside of the sleeve can be formed after the sleeve is rotated, a handle is arranged at the outer end of the sleeve, and a multi-core cable penetrates inside the internal rotary sleeve; each telescopic electrodes includes a housing, an electrode is arranged inside the housing and connected with the multi-core cable, and the telescopic electrode is further of a structure capable of ejecting the electrode out of the housing; the electrode is propped against the internal wall of the internal rotary sleeve before use; and the plurality of the telescopic electrodes are arranged inside the rotary sleeve and in one-to-one correspondence with the conductive adhesive loading groove. The device solves the problem related to transmission and rapid coupling of an electrode system in deep drilling and facilitates the advanced forecast work for the underground engineering in complex geological conditions.

Description

[0001] technical field [0002] The invention relates to an electrode delivery device for high-resolution imaging advanced geological prediction based on resistivity CT technology under complex geological conditions in underground engineering such as tunnels or tunnels, in particular to an electrode delivery device that uses resistivity CT technology in tunnels or tunnels. CT technology performs stereoscopic observation and three-dimensional overlay data acquisition, and performs three-dimensional full-space resistivity inversion and interpretation on the detection results, and realizes the electrode delivery device and quick coupling device for fine exploration of the geological conditions in front of the working face. Background technique [0003] With the acceleration of my country's infrastructure construction process, more long tunnels, tunnels and other underground projects will be built in the fields of transportation, water conservancy and hydropower, and mineral reso...

Claims

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Application Information

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IPC IPC(8): G01V3/00G01V3/08
Inventor 刘征宇李术才刘斌聂利超许新骥张波宋杰徐磊郝亭宇王传武林春金
Owner SHANDONG UNIV
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