CN105738955B - A kind of quick cloth electrode systems of tunnel water damage forward probe and its detection method based on DC electrical method - Google Patents
A kind of quick cloth electrode systems of tunnel water damage forward probe and its detection method based on DC electrical method Download PDFInfo
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- CN105738955B CN105738955B CN201410756004.2A CN201410756004A CN105738955B CN 105738955 B CN105738955 B CN 105738955B CN 201410756004 A CN201410756004 A CN 201410756004A CN 105738955 B CN105738955 B CN 105738955B
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Abstract
The invention discloses a kind of quick cloth electrode systems of tunnel water damage forward probe and its detection method based on DC electrical method, the system includes infinite electrode and main frame, both are connected by retractable cable, system also includes the automatic carry multicore survey line being connected with main frame, the automatic carry multicore survey line includes some groups of male and female head air plugs, connected between two groups of male and female head air plugs by some wedge-shaped surveys line, one supplying measure electrode of corresponding connection on every group of male and female head air plug.The present invention changes traditional cable electrode arrangement mode, add " female air plug, wedge-shaped survey line and male air plug " section combination of corresponding number, without rearranging each electrode, survey line and main frame, 1 section survey line, electrode and the main frame corresponding with driving distance only need to be moved, work more convenient and quicker, time saving and energy saving；Change a traditional one spy pattern of pick, real-time tracking detection can be carried out to roadway head, in time, repeatedly finds geological anomalous body.
Description
Technical field
The present invention relates to mine geophysical method application field, particularly a kind of tunnel water damage based on DC electrical method surpasses
It is preceding to detect quick cloth electrode systems and its detection method.
Background technology
Water damage is one of five big disasters for influenceing mine safety production.In coal mine roadway tunneling process, digging work is found out
Square rich water exception zone position is the key for solving the problems, such as coal mine flood in face of work.Common method includes probing at present and physical prospecting two is big
Class.Wherein DC electrical method Roadway Leading Prospecting technology is widely adopted, and it is the spy based on resistivity contrasts such as rock, water bodys
Point, it is this characteristic of equipotentiality spheroid using Electric Field Distribution of the point source in space, reaches the target of forward probe.
Aqueous abnormal common method is to have in front of advance exploration：1. three point source detection methods, i.e., with certain near development end
Spacing arranges electrodes of A1、A2、A3, current electrode B is placed in infinite point.Measuring electrode M, N side as shown in arrow in tunnel
To (Fig. 1) is moved at certain intervals, one-shot measurement electrode is often moved, measures an A1、A2、A3Corresponding apparent resistivity value
ρ1、ρ2、ρ3；2. 7 electrode system methods of testing, the method is identical with three point source method of testing operation principles, and its current electrode number is seven
(A1、A2、A3、A4、A5、A6、A7)；3. multipole covers observation system, i.e., once arrange 64 electricity using parallel electrical method test equipment
Pole, when any electrode is powered, remaining 63 electrode synchronous acquisition current potential, multiple pole groups of supply terminals three can be completed in a short time
Test is closed, substantial amounts of electrode points potential data is obtained, realizes multipole supplying DC electrical method forward probe (citation：Zhang Pingsong,
The tunnelling advanced detection using DC resistivity technology Application research .2013 such as Li Yongsheng, 9 (1)：136-138).But these are normal
With method all in the prevalence of a problem：When continuously to being tracked detection in front of development end, an arrangement of measuring-line is simultaneously
Could subsequently it be measured after having measured, it is necessary to which all current electrodes and measuring electrode are re-started into arrangement, the way is not only
Take time and effort, and the uniformity of electrode is affected, and data process and interpretation is made troubles.
The content of the invention
The purpose of the present invention is exactly insufficient in order to solve present in above-mentioned background technology, propose a kind of construction it is simpler,
Operating efficiency is higher, and the water damage based on DC electrical method that continuous tracking detection can be carried out to abnormal water-bearing body in front of development end surpasses
The intelligence of the automatic cloth pole of preceding detection, quick detecting method.
To achieve the above object, the present invention adopts the following technical scheme that：A kind of water damage forward probe based on DC electrical method
Quick cloth electrode systems, including infinite electrode and main frame, both are connected by retractable cable, and the main frame is used to carry out system
Parameter setting, data acquisition, data management and into map analysis；Also include the automatic carry multicore survey line being connected with main frame, it is described
Automatic carry multicore survey line includes some groups of male and female head air plugs, is connected between two groups of male and female head air plugs by some wedge-shaped surveys line
Connect, one electrode of corresponding connection on every group of male and female head air plug.
The distance between two described electrodes are 2-10m, and male and female head air plug group quantity is away from boring head face (boring head
Face is driving face) farthest detect target range divided by electrode spacing and round.
It is a further object of the present invention to provide the water damage forward probe method of the system, comprise the following steps：
(1) according to forward probe demand, with reference to related geologic information, measuring method (resistivity method, induced polarization are selected
Method, natural electric field method)；
(2) cable is layered on roadway floor, electrode is fixed on automatic carry multicore survey line, and infinite electrode is positioned over
(being met head on apart from rear as front in tunnel) for 5 times of detection survey line, bottom plate is placed in by electrode, by automatic carry multicore survey line, can
Retractable cable is connected with main frame, presses host power supply, after relevant parameter is set, system starts；
(3) one survey line has been measured, and after data preserve, system is positioned over into wait in situ；
(4) after working face has tunneled certain distance again, observation system is rearranged, its arrangement is：
Entirety pulls up the latter again " female air plug, wedge-shaped survey line and male air plug " combination and electrode on automatic carry multicore survey line,
By on the combined inserting pulled up to the most forward male air plug of the automatic carry multicore survey line not moved, accordingly removing forward
Dynamic electrode installs, and extends scalable cable, moves forward main frame and connects main frame, after pressing host power supply, sets again
Relevant parameter is put, is measured；
(5) after measuring and preserving data, lower subjob is carried out according to (3)-(4) step.
In step (1), the measuring method is using three point source methods of testing, 7 electrode system methods of testing or multipole covering observation system
System method of testing.
As shown from the above technical solution：Number of poles depending on detection demand, survey by such as three point source methods of testing and 7 electrode systems
Examination method, current electrode are 3 or 7, and measuring electrode is 2, and infinite electrode is 1；Multipole covering observation system electrode
Number can be N number of；The length of the automatic carry multicore survey line is depending on detection demand.The automatic carry multicore of the present invention
Survey line changes traditional " wire type " cabled manner, and internal survey line is distributed in " wedge shape " and increases N number of male and female head air plug,
1 " female air plug, wedge-shaped survey line and male air plug " combination, 1 electrode of corresponding connection, the selection of its number of poles can be according to lane
Depending on the detection of road driving face is specific.The scalable cable is used to connect main frame and infinite electrode；It is described to enter automatically
Position multicore survey line, scalable cable are connected with main frame, and electrode is fixed on automatic carry multicore survey line with rubber band, plugging clamp or plug
On, infinite electrode is fixed on scalable cable with rubber band, plugging clamp or plug.
The beneficial effects of the invention are as follows：Change traditional cable arrangement, add " female air plug, the wedge of corresponding number
Shape survey line and male air plug " combines, and the advantage is that, first, without rearranging each electrode, survey line and main frame, only needs to move
Dynamic one section survey line, electrode and the main frame corresponding with driving distance, work more convenient and quicker, time saving and energy saving, the coupling of N-1 electrode
Conjunction condition is constant；Second, change one spy pattern of a traditional pick, it is of the invention it is efficient and convenient can be to roadway head
Real-time tracking detection is carried out, both moving ahead with boring head, pixel by pixel track traveling electrode, improve operating efficiency, and can is protected
Driving face front geological anomalous body is demonstrate,proved by timely, multiple discovery.
Brief description of the drawings
Fig. 1 is the signal of three point source method of testing Construction Arrangements.
Fig. 2 is multi-fold observation system layout drawing.
Fig. 3 is schematic structural view of the invention.
Fig. 4 (a) is automatic carry multicore survey line structural representation of the present invention (before mobile).
Fig. 4 (b) is automatic carry multicore survey line structural representation of the present invention (after mobile).
In figure, 1. underground passages, 2. development ends, 3. main frames, 4. scalable cables, 5. infinite electrodes, 6. electrodes, 7. certainly
Dynamic carry multicore survey line, 8. female air plugs, 9. wedge-shaped surveys line, 10. male air plugs.
Embodiment
The present invention is described in detail below in conjunction with the accompanying drawings.
As shown in figure 3, the invention mainly comprises main frame 3, automatic carry multicore survey line 7, electrode 6, scalable cable 4, nothing
Poor remote electrode 5.Main frame 3 is used to carrying out whole system parameter setting, data acquisition, data management and into map analysis etc..Automatically
Carry multicore survey line 7, scalable cable 4 are connected with main frame 3 respectively, and electrode 6 is fixed on to enter automatically with rubber band, plugging clamp or plug
On position multicore survey line 7, infinite electrode 5 is fixed on scalable cable 4 with rubber band, plugging clamp or plug.
As shown in Fig. 4 (a), by taking 6 electrodes as an example, to embody the special feature of the present invention, automatic carry multicore survey line 7 changes
Traditional " wire type " cabled manner is become, internal survey line is distributed in " wedge shape ", is therebetween 6 male and female head air plugs, one section
" female air plug 8, wedge-shaped survey line 9 and the combination of male air plug 10 " one electrode (6#, 5#, 4#, 3#, 2#, 1#) of corresponding connection；Electrode
Number N selection can be depending on the detection of roadway head be specific, and male and female head air plug segment number N or number of poles N are
Target range divided by electrode spacing are farthest detected away from boring head face and are rounded.If electrode spacing is 10m, it is farthest detect target away from
From for 63m, both are divided by and round numbers is 6, that is, arrange 6 electrodes, and current electrode is used as if desired for 3 in 6 electrodes, and 5
It is individual to be used as measuring electrode, pass through mian engine changeover.
As shown in Fig. 4 (b), when one section most rearward " female air plug 8, wedge-shaped survey line 9 and male air plug 10 " combination and it is right
The electrode 6# that should be connected integrally remove to do not move " female air plug 8, wedge-shaped survey line 9 and male air plug 10 " combination it is most forward
When on male air plug, automatic carry multicore survey line entirety sequence number structure is constant；The 6# electrode sequence numbers moved are 1, follow-up electricity
Extremely enter automatically 1 (1#-2,2#-3,3#-4,4#-5,5#-6).
In specific implementation process, operating procedure of the invention is：
(1) according to forward probe distance requirement, with reference to related geologic information, suitable measuring method is selected, such as Fig. 1, figure
2, including resistivity method, induced polarization method and self-potential method detection；
(2) after going into the well, cable is laid, cable is layered on roadway floor, electrode 6 is fixed on automatic carry multicore survey line 7
On, after infinite electrode 5 is positioned over 5 times of detection ranges, and electrode is placed in bottom plate, by automatic carry multicore survey line 7, scalable
Cable 4 is connected with main frame 3, presses host power supply, after relevant parameter is set, system starts；
(3) one survey line has been measured, and after data preserve, arrangement system is positioned over into wait in situ；
Etc. (4) underground work personnel rearrange again after working face has tunneled certain distance to observation system,
Its arrangement is：Entirety pulls up final stage " female air plug 8, wedge-shaped survey line 9 and male on automatic carry multicore survey line 7
Air plug 10 " combine and electrode 6, by pull up " female air plug 8, wedge-shaped survey line 9 and male air plug 10 " combination move to what is do not moved
" female air plug 8, wedge-shaped survey line 9 and male air plug 10 " are combined on most forward male air plug, are accordingly moved forward corresponding
Electrode 6 simultaneously installs, and extends scalable cable, moves forward main frame and connects main frame, after pressing host power supply, resets
Relevant parameter, measure；
(5) after measuring and preserving data, lower subjob is carried out according to (3)-(4) step.
Above are only embodiments of the invention, it will be apparent to those skilled in the art that the present invention have it is a variety of change and
Change.It is all to make any modification, equivalent substitution, improvement etc. within inventive concept and principle, the guarantor of invention all should be included in
Within the scope of shield.
Claims (4)
1. a kind of quick cloth electrode systems of tunnel water damage forward probe based on DC electrical method, including infinite electrode and main frame, two
Person is connected by retractable cable, and the main frame is used to carry out system parameter setting, data acquisition, data management and divided into figure
Analysis；It is characterized in that：Also include the automatic carry multicore survey line being connected with main frame, the automatic carry multicore survey line includes some
Male and female head air plug is organized, is connected by some wedge-shaped surveys line between two groups of male and female head air plugs, correspondingly connected on every group of male and female head air plug
Connect an electrode；When the electrode of one section of " female air plug, wedge-shaped survey line and male air plug " combination most rearward and corresponding connection is whole
When body is removed to the most forward male air plug of the combination do not moved, the automatic carry multicore survey line entirety sequence number structure is not
Become；The electrode sequence number moved is 1, and follow-up electrode enters 1 automatically.
2. the tunnel water damage forward probe quick cloth electrode systems according to claim 1 based on DC electrical method, its feature exist
In：The distance between two described electrodes are 2-10m, male and female head air plug group quantity be away from boring head face farthest detect target away from
From divided by electrode spacing and round.
3. the water damage forward probe method of system according to claim 1 or claim 2, it is characterised in that measuring method includes following
Step：
（1）Demand is detected according to ore deposit side, with reference to related geologic information, selects measuring method；
（2）Cable is layered on roadway floor, electrode is fixed on automatic carry multicore survey line, and infinite electrode is positioned over 2 ~ 3
After times detection range, electrode is placed in bottom plate, automatic carry multicore survey line, scalable cable are connected with main frame, press main frame
Power supply, after relevant parameter is set, system starts；
（3）One survey line has been measured, and after data preserve, system is positioned over into wait in situ；
（4）After working face has tunneled certain distance again, observation system is rearranged, its arrangement is：It is overall
Last " female air plug, wedge-shaped survey line and male air plug " combination and the electrode on automatic carry multicore survey line are pulled up, will be pulled out
Under the combined inserting on the most forward male air plug of the automatic carry multicore survey line not moved, what is accordingly moved forward
Electrode installs, and extends scalable cable, moves forward main frame and connects main frame, after pressing host power supply, resets phase
Related parameter, measure；
（5）After measuring and preserving data, according to（3）-（4）Step carries out lower subjob.
4. water damage forward probe method according to claim 3, it is characterised in that step（1）In, the measuring method is
" three point source methods of testing ", " 7 electrode system method of testing " or " multipole covering observation system method of testing ".
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| CN201410756004.2A CN105738955B (en) | 2014-12-11 | 2014-12-11 | A kind of quick cloth electrode systems of tunnel water damage forward probe and its detection method based on DC electrical method |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107219558B (en) * | 2017-08-08 | 2023-07-14 | 山东省煤田地质规划勘察研究院 | Rapid electrode layout device and method for geophysical prospecting measurement |
| CN107589462B (en) * | 2017-09-01 | 2019-03-08 | 中煤科工集团西安研究院有限公司 | A kind of underground coal mine direct current forward probe method based on drilling rod power supply |
| CN108828678B (en) * | 2018-08-25 | 2020-05-29 | 安徽省公路工程检测中心 | Advanced geological detection system for tunnel construction |
| CN113109879A (en) * | 2021-05-24 | 2021-07-13 | 温亨聪 | Efficient roof detection system related to mine electrical method and application method |
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| US6674286B2 (en) * | 2001-04-18 | 2004-01-06 | Advanced Geosciences, Inc. | Methods and apparatus for measuring electrical properties of a ground using a graphite electrode |
| CN101603423A (en) * | 2009-07-09 | 2009-12-16 | 煤炭科学研究总院西安研究院 | A kind of in coal mine roadway the DC electrical method method of bed-parallel advanced detection of water bearing |
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Denomination of invention: Direct-current-electric-method-based rapid electrode distribution system for advanced detection of water hazard in tunnel and detection method thereof Effective date of registration: 20180824 Granted publication date: 20171114 Pledgee: Hefei merchants bank innovation Avenue Branch Pledgor: ANHUI HUIZHOU GEOLOGY SECURITY INSTITUTE Co.,Ltd. Registration number: 2018340000433 |
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