CN104265371A - Coal mine working face water prevention water damage detecting method - Google Patents
Coal mine working face water prevention water damage detecting method Download PDFInfo
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- CN104265371A CN104265371A CN201410560517.6A CN201410560517A CN104265371A CN 104265371 A CN104265371 A CN 104265371A CN 201410560517 A CN201410560517 A CN 201410560517A CN 104265371 A CN104265371 A CN 104265371A
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
Abstract
The invention relates to the technical field of coal mine working face water prevention, particularly to a coal mine working face water prevention water damage detecting method. The method comprises arranging measuring lines through working face transportation roadways, return airways, open-off cuts, water exploring/draining drill holes, gas drainage drill holes and partition boundary drill holes formed in a mining area in a partitioned mode; through hole-roadway combined detecting methods such as roadway transmitting-roadway receiving, roadway transmitting-in-hole receiving, in-hole transmitting-roadway receiving and in-hole transmitting-cross-hole receiving, inputting audio electromagnetic signals inside transmitting electrodes and collecting level differential data through receiving electrodes; processing and explaining observed data through computerized tomography or three-dimensional inversion. The coal mine working face water prevention water damage detecting method truly achieves coal mine underground three-dimensional electromagnetic data acquisition and can accurately detect the information such as spatial positions, developing scales and distribution shapes of various types of hidden water containing/guiding structures inside the working surface and roof/floor plates and further provide strong technical support for working surface water damage prevention.
Description
One, technical field:
The present invention relates to coal mine work area water control technique field, be specifically related to a kind of water damage detection method of coal mine work area water prevention, its detectable underground coal mine work plane inside and top/base plate contain the/locus of permeable structure, the 3 D electromagnetic method observation system of growth scale and distribution mode etc.
Two, background technology:
Although be subject to the impact of the factor such as environmental protection pressure and clean energy resource impact, coal still dominate in China's energy resource structure, recent statistics data show, and it is 67% that coal in 2013 accounts for China's energy-consuming proportion.The exploitation of China's superficial part coal resources has been difficult to meet the demand that current national economy develops rapidly, the exploration of subterranean resource, exploitation are gradually to deep continuation, this not only has higher requirement to various geophysical exploration method, all kinds of mine safety problems caused thus also become increasingly conspicuous, particularly coal mine work area water leak accident, again and again in recent years, to occur in media report, cause huge Loss of Life and property.In order to meet the active demand of mine shaft geology safety guarantee, prevent and reduce the generation of all kinds of Mine Geological Hazard, the disaster geology structure that work plane is inner and top/base plate is latent is found out early stage in exploitation, as goaf, karst collapse col umn, tomography and crack dense band etc. contain/permeable structure, become the key issue that solution is needed in current mine physical prospecting badly.
Conducting shaft physical prospecting, can utilize the condition such as underworkings, boring to implement to measure, closer to the disaster geology body in deep compared with ground survey.Mine electric method carrys out detection and identify abnormal area according to the electrical property difference between anomalous geologic body and country rock, and compared with other geophysical prospecting method, what reveal low-resistance characteristic at detection table has unique advantage containing during/permeable structure.Mine direct current method is relative maturity in theory, having developed electric sounding, useful resistivity, electricity perspective and the multiple observed pattern such as forward probe in application, is the longer and a kind of geophysical prospecting method that accuracy rate is relatively high of Applicative time in current mine water disaster detection method.Mine Transient Electromagnetic Method is high with its efficiency of construction, have the features such as directionality is widelyd popularize in the detection of underground coal mine water damage, but the process of the method explains that means mainly transplant ground transient electromagnetic, not yet develops a set of data interpretation technology adapting to conditions down-hole completely.Above mine electric method mainly launches in underworkings, due to available limited space, larger restriction is constituted itself to electrical method observed pattern, high-density observation can not be implemented as ground survey, cause data acquisition density lower and three-dimensional observation data cannot be obtained.In view of the foregoing, mine electric method most Interpretation of profile method still adopting two dimension in the application at present, is difficult to provide omnibearing cubic interpretation to information such as all kinds of latent locus containing/permeable structure, growth scale and distribution mode.
Inversion method is from observation data, obtain one of the most effective means of anomalous body integrated information, and the prerequisite realizing mine electric method 3-d inversion to obtain effective three-dimensional observation data.Due to the requirement of water prevention and gas control, underground coal mine is furnished with that the spy of some/discharge water boring and firedamp taking-out discharging drilling, carry out in hole by these borings and detect and hole-lane combined detection between detection, hole, then in conjunction with tunnel detection, make the acquisition of three-dimensional observation data become possibility.
Three, summary of the invention:
The present invention is in order to solve the weak point in above-mentioned background technology, there is provided a kind of water damage detection method of coal mine work area water prevention, it can realize the meticulous detection to information such as work plane inside and all kinds of latent locus containing/permeable structure such as top/base plate tomography, fissure zone and karst collapse col umn etc., growth scale and distribution mode.
For achieving the above object, the technical solution used in the present invention is: a kind of water damage detection method of coal mine work area water prevention, is characterized in that: described detection method is:
1) implement the Mining Area plan view of the actual geological condition drafting in the exploiting field scaled down of 3 D electromagnetic method detection as required, in figure, content comprises transportation roadway, return airway, cuts the information of eye, water exploring drill hole, discharge water boring, firedamp taking-out discharging drilling;
2) add up water exploring drill hole in search coverage, the quantity of discharge water boring and firedamp taking-out discharging drilling and bore position, if tunnel internal drilling density is sparse, then supplement boring by down-hole rig, ensure that the maximum spacing of adjacent boring in same tunnel is no more than 50m, the vertical degree of depth of each boring is not less than 30m;
3) in units of face length, subregion is carried out to exploiting field along advance of the face direction, arrange the horizontal drilling of through transportation roadway and return airway at area limit place;
4) transportation roadway, return airway, cut eye and boring in arrange survey line, on each survey line electrode equalization pitch arrangement, pole span is selected between 10m to 50m; The disposable layout of survey line, or first arrange subregion, complete measurement after arrange next subregion again;
5) mode of each electrode on each survey line according to " survey line numbering-electrode numbering " is numbered, records the numbering of each electrode and the coordinate position of correspondence in order;
6) be a work unit with exploiting field subregion, in transportation roadway or return airway, arrange audio electro-magnetic signal emitter, in another tunnel, arrange voltage signal receiver; Adopt dipole power-dipole receive working method, using in the tunnel of side, tunnel, audio electro-magnetic signal emitter place and boring in electrode as emission electrode, all the other tunnels in and hole in electrode all as collecting electrode; From emission electrode, choose a pair adjacent electrode feed audio electro-magnetic signal, gather the potential difference data of adjacent reception electrode successively, until all adjacent reception electrodes all gather complete, the coordinate position of pointwise record emission electrode and collecting electrode and the frequency of correspondence and potential difference; An above-mentioned data acquisition is all performed to every a pair adjacent transmission electrode, in whole process, keeps the frequency of input electromagnetic signal to immobilize; If the data of multiple frequency need be gathered, after change frequency input signal, repeat above-mentioned measuring process;
7) keep audio frequency electromagnetic signal transmitter and voltage signal receiver location constant, using the electrode in one of them horizontal drilling of partition boundaries as emission electrode, electrode in all the other tunnels and in boring, all as collecting electrode, repeats the data acquisition in step (6); Again using the electrode in another horizontal drilling as emission electrode, the electrode in all the other tunnels and in boring, all as collecting electrode, repeats the data acquisition in step (6);
8) exchange audio frequency electromagnetic signal transmitter and voltage signal receiver location, repeat step (6);
9) move to next subregion, repeat step (6), (7), (8), until the equal data acquisition of all subregions;
10) method of tomography or 3-d inversion is adopted to process observation data, and three-dimensional visualization display is carried out to result, realize the cubic interpretation that work plane inner and top board, base plate tomography, fissure zone and karst collapse col umn lie concealed the locus of moisture, permeable structure, growth scale and distribution mode.
Described step (6), (7), (8) order commutative.
Compared with prior art, the advantage that the present invention has and effect as follows: the dipole that the inventive method adopts powers-working method that receives of dipole, can also be one pole power-one pole receives, one pole powers-dipole receives or dipole is powered-one pole receives equiprobable electrode combination transmitting-receiving working method.
The detection method of passing hole of the present invention-lane associating, comprise tunnel and launch-receive across lane, receive in transmitting-hole, tunnel, in hole transmittings-tunnel receive, transmitting in hole-across observed patterns such as hole receptions, achieve down-hole 3 D electromagnetic method observation truly, inner and the top/base plate of work plane can be accurately ascertained all kinds ofly latently to contain the information such as/locus of permeable structure, growth scale and distribution mode, the generation of preventive works face water damage, for effective improvement of work plane water damage provides strong technical support.
Four, accompanying drawing illustrates:
Fig. 1 is Mining Area and subregion floor map.
Fig. 2 is work plane subregion base plate arrangement of measuring-line and working method schematic diagram.
1---transportation roadway, 2---return airway, 3---cut eye, 4---visit/discharge water boring and mash gas pumping drilling, 5---partition boundaries horizontal drilling, 6---exploiting field subregion, 7---transportation roadway survey line, 8---return airway survey line, 9---partition boundaries survey line, 10---visit/discharge water boring and mash gas pumping drilling survey line.
Five, detailed description of the invention:
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail:
A kind of water damage detection method of coal mine work area water prevention:
(1) according to the Mining Area plan view of exploiting field actual geological condition drafting scaled down need implementing the detection of 3 D electromagnetic method, in figure, content comprises transportation roadway, return airway, cuts eye, spy/discharge water the information such as boring, firedamp taking-out discharging drilling.
(2) quantity visiting/discharge water boring and firedamp taking-out discharging drilling in search coverage and bore position is added up, if tunnel internal drilling density is sparse, then supplement boring by down-hole rig, ensure that the maximum spacing of adjacent boring in same tunnel is no more than 50m, the vertical degree of depth of each boring is not less than 30m.
(3) in units of face length, subregion is carried out to exploiting field along advance of the face direction, arrange the horizontal drilling of through transportation roadway and return airway at area limit place.
(4) transportation roadway, return airway, cut eye and boring in arrange survey line, on each survey line electrode equalization pitch arrangement, pole span can be selected between 10m to 50m; Survey line can disposablely be arranged, also first can arrange a subregion, complete measurement after arrange next subregion again.
(5) mode of each electrode on each survey line according to " survey line numbering-electrode numbering " is numbered, records the numbering of each electrode and the coordinate position of correspondence in order.
(6) be a work unit with exploiting field subregion, in transportation roadway or return airway, arrange audio electro-magnetic signal emitter, in another tunnel, arrange voltage signal receiver; Adopt dipole power-dipole receive working method, using in the tunnel of side, tunnel, emitter place and boring in electrode as emission electrode, all the other tunnels in and hole in electrode all as collecting electrode; From emission electrode, choose a pair adjacent electrode feed audio electro-magnetic signal, gather the potential difference data of adjacent reception electrode successively, until all adjacent reception electrodes all gather complete, the coordinate position of pointwise record emission electrode and collecting electrode and the frequency of correspondence and potential difference; An above-mentioned data acquisition is all performed to every a pair adjacent transmission electrode, in whole process, keeps the frequency of input electromagnetic signal to immobilize; If the data of multiple frequency need be gathered, after change frequency input signal, above-mentioned measuring process can be repeated.
(7) keep transmitter and receiver invariant position, using the electrode in one of them horizontal drilling of partition boundaries as emission electrode, the electrode in all the other tunnels and in boring, all as collecting electrode, repeats the data acquisition in step (6); Again using the electrode in another horizontal drilling as emission electrode, the electrode in all the other tunnels and in boring, all as collecting electrode, repeats the data acquisition in step (6).
(8) exchange transmitter and receiver position, repeat step (6).
(9) step (6), (7), (8) order commutative.
(10) move to next subregion, repeat step (6), (7), (8), until the equal data acquisition of all subregions.
(11) way of tomography or 3-d inversion is adopted to process observation data, and three-dimensional visualization display is carried out to result, realize the cubic interpretation of work plane inner and top/base plate tomography, fissure zone and karst collapse col umn etc. all kinds of locus, growth scale and distribution mode etc. of lying concealed moisture, permeable structure.
Draw the Mining Area plan view of scaled down according to the actual geological condition in exploiting field need implementing the detection of 3 D electromagnetic method, as shown in Figure 1, in figure, content comprises transportation roadway 1, return airway 2, cuts eye 3, visits/discharge water the information such as boring and firedamp taking-out discharging drilling 4.Visit/discharge water quantity and the bore position of boring and firedamp taking-out discharging drilling 4 in statistics search coverage, if drill hole density is sparse, then supplement boring by down-hole rig, ensure that the maximum spacing of same tunnel Nei Ding/base plate adjacent holes is no more than 50m, the vertical degree of depth of each boring is not less than 30m.Work plane plan view is numbered the boring in each tunnel respectively according to order from left to right, transportation roadway 1 hole numbering be followed successively by yz1, yz2 ..., yzn, return airway 2 hole numbering be followed successively by hz1, hz2 ..., hzn.In units of face length, subregion is carried out to exploiting field along advance of the face direction, as shown in Figure 1, arrange the partition boundaries horizontal drilling 5 of through transportation roadway and return airway at area limit place.
For the detection of floor undulation water damage, describe the specific embodiment of the present invention in detail.At transportation roadway 1 base plate, return airway 2 base plate, cut eye 3, visit/discharge water boring and mash gas pumping drilling 4, layout survey line in partition boundaries horizontal drilling 5, as shown in Figure 2, the impartial pitch arrangement of electrode on each survey line, pole span can be selected between 10m to 50m, concrete pole span size is determined by the size of target anomalous body, survey line can disposablely be arranged, also first can arrange a subregion, complete measurement after arrange next subregion again.Each survey line is numbered, transportation roadway survey line 7 is numbered y1, return airway survey line 8 is numbered h1, and partition boundaries survey line 9 is numbered from left to right and is followed successively by q1, q2, visits/discharge water boring and mash gas pumping drilling survey line 10 numbering with visiting/discharge water to hole and mash gas pumping drilling 4 is numbered identical.The mode of each electrode on each survey line according to " survey line numbering-electrode numbering " is numbered, wherein electrode numbering from survey line original position, be followed successively by 1,2 ..., n, record the numbering of each electrode and the coordinate position of correspondence in order.
Be a work unit with exploiting field subregion 6, in return airway 2, arrange audio electro-magnetic signal emitter, layout voltage signal receiver transportation roadway 1 in.Adopt dipole power-dipole receive working method, as shown in Figure 2, by return airway survey line h1 and return airway boring survey line hz1, hz2 ..., electrode on hzn as emission electrode, all the other surveys line y1, q1, q2, yz1, yz2 ..., electrode on yzn is all as collecting electrode.Audio electro-magnetic signal is fed to adjacent transmission electrode A B h1 survey line being numbered h1-1 and h1-2; From the adjacent reception electrode MN that y1 survey line is numbered y1-1 and y1-2, gather potential difference data, the position of MN is moved by direction shown in arrow in Fig. 2, each displacement is a pole span, until adjacent reception electrode y1-2 and y1-3 on y1 survey line, y1-3 and y1-4 ..., y1-(n-1) and y1-n all gathers complete; Move to survey line q1, gather successively adjacent reception electrode q1-1 and q1-2, q1-2 and q1-3 ..., q1-(n-1) and q1-n potential difference data; According to above-mentioned rule, successively complete residue survey line q2, yz1, yz2 ..., yzn data acquisition; In gatherer process, the coordinate position of pointwise record emission electrode and collecting electrode and the tranmitting frequency of correspondence and potential difference.Cut off input signal, emission electrode AB moves to h1-2 and h1-3 position by direction shown in arrow in Fig. 2, again inputs the audio electro-magnetic signal of same frequency, completes an above-mentioned data acquisition.To survey line h1, hz1, hz2 ..., every a pair adjacent transmission electrode on hzn all perform an above-mentioned data acquisition.Keep the frequency of input electromagnetic signal to immobilize in whole measuring process, if the data of multiple frequency need be gathered, after change incoming frequency, above-mentioned measuring process can be repeated.
Keep transmitter and receiver invariant position, using the electrode on partition boundaries survey line q1 as emission electrode, all the other surveys line y1, h1, q2, yz1, yz2 ..., yzn, hz1, hz2 ..., electrode on hzn all as collecting electrode, data acquisition.Again using the electrode on partition boundaries survey line q2 as emission electrode, all the other surveys line y1, h1, q1, yz1, yz2 ..., yzn, hz1, hz2 ..., electrode on hzn all as collecting electrode, data acquisition.Exchange transmitter and receiver position, by transportation roadway survey line y1 and transportation roadway boring survey line yz1, yz2 ..., electrode on yzn is as emission electrode, all the other surveys line h1, q1, q2, hz1, hz2 ..., electrode on hzn all as collecting electrode, data acquisition.Above data acquisition, order is interchangeable.
In said process, each electrode both can as emission electrode, also can as collecting electrode; Emission electrode and collecting electrode are positioned on different surveys line all the time; Any one group of line between emission electrode and collecting electrode always can the space of or work plane top/base plate up/down side inner through work plane.After completing the data acquisition of a subregion, move to next subregion, data acquisition, until all partition datas all gather complete.The way of tomography or 3-d inversion is adopted to process observation data, and three-dimensional visualization display is carried out to result, realize the cubic interpretation of all kinds of latent locus containing/permeable structure such as floor undulation tomography, fissure zone and karst collapse col umn, growth scale and distribution mode etc.
Work plane water damage detection detailed description of the invention that is inner and top board detects identical with base plate, does not do repeat specification.
The present invention adopt one pole power-one pole receives, one pole powers-dipole receives or dipole is powered-one pole is when receiving equiprobable electrode combination transmitting-receiving working method, needing to arrange earthing electrode when one pole is powered or one pole receives at range transmission electrode or collecting electrode place enough far away, whole data acquisition powers with dipole-and dipolar bond receipts working method is identical.
Claims (2)
1. a water damage detection method for coal mine work area water prevention, is characterized in that: described detection method is:
1) implement the Mining Area plan view of the actual geological condition drafting in the exploiting field scaled down of 3 D electromagnetic method detection as required, in figure, content comprises transportation roadway, return airway, cuts the information of eye, water exploring drill hole, discharge water boring, firedamp taking-out discharging drilling;
2) add up water exploring drill hole in search coverage, the quantity of discharge water boring and firedamp taking-out discharging drilling and bore position, if tunnel internal drilling density is sparse, then supplement boring by down-hole rig, ensure that the maximum spacing of adjacent boring in same tunnel is no more than 50m, the vertical degree of depth of each boring is not less than 30m;
3) in units of face length, subregion is carried out to exploiting field along advance of the face direction, arrange the horizontal drilling of through transportation roadway and return airway at area limit place;
4) transportation roadway, return airway, cut eye and boring in arrange survey line, on each survey line electrode equalization pitch arrangement, pole span is selected between 10m to 50m; The disposable layout of survey line, or first arrange subregion, complete measurement after arrange next subregion again;
5) mode of each electrode on each survey line according to " survey line numbering-electrode numbering " is numbered, records the numbering of each electrode and the coordinate position of correspondence in order;
6) be a work unit with exploiting field subregion, in transportation roadway or return airway, arrange audio electro-magnetic signal emitter, in another tunnel, arrange voltage signal receiver; Adopt dipole power-dipole receive working method, using in the tunnel of side, tunnel, audio electro-magnetic signal emitter place and boring in electrode as emission electrode, all the other tunnels in and hole in electrode all as collecting electrode; From emission electrode, choose a pair adjacent electrode feed audio electro-magnetic signal, gather the potential difference data of adjacent reception electrode successively, until all adjacent reception electrodes all gather complete, the coordinate position of pointwise record emission electrode and collecting electrode and the frequency of correspondence and potential difference; An above-mentioned data acquisition is all performed to every a pair adjacent transmission electrode, in whole process, keeps the frequency of input electromagnetic signal to immobilize; If the data of multiple frequency need be gathered, after change frequency input signal, repeat above-mentioned measuring process;
7) keep audio frequency electromagnetic signal transmitter and voltage signal receiver location constant, using the electrode in one of them horizontal drilling of partition boundaries as emission electrode, electrode in all the other tunnels and in boring, all as collecting electrode, repeats the data acquisition in step (6); Again using the electrode in another horizontal drilling as emission electrode, the electrode in all the other tunnels and in boring, all as collecting electrode, repeats the data acquisition in step (6);
8) exchange audio frequency electromagnetic signal transmitter and voltage signal receiver location, repeat step (6);
9) move to next subregion, repeat step (6), (7), (8), until the equal data acquisition of all subregions;
10) method of tomography or 3-d inversion is adopted to process observation data, and three-dimensional visualization display is carried out to result, realize the cubic interpretation that work plane inner and top board, base plate tomography, fissure zone and karst collapse col umn lie concealed the locus of moisture, permeable structure, growth scale and distribution mode.
2. the water damage detection method of a kind of coal mine work area water prevention according to claim 1, is characterized in that: described step (6), (7), (8) order commutative.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410560517.6A CN104265371B (en) | 2014-10-21 | A kind of coal mine work area prevents the water damage detection method harnessed the river |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410560517.6A CN104265371B (en) | 2014-10-21 | A kind of coal mine work area prevents the water damage detection method harnessed the river |
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| Publication Number | Publication Date |
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| CN104265371A true CN104265371A (en) | 2015-01-07 |
| CN104265371B CN104265371B (en) | 2017-01-04 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106968707A (en) * | 2017-04-19 | 2017-07-21 | 中国矿业大学 | A kind of coal seam prevents and treats design method for the water damage of Main aquifer mine |
| CN110174703A (en) * | 2019-06-04 | 2019-08-27 | 长江勘测规划设计研究有限责任公司 | A kind of data collector for the infiltration monitoring of DC electrical method water body |
| CN111025410A (en) * | 2019-12-30 | 2020-04-17 | 安徽惠洲地质安全研究院股份有限公司 | Electrical method advanced detection system and method |
| CN111042866A (en) * | 2019-12-30 | 2020-04-21 | 安徽惠洲地质安全研究院股份有限公司 | Multi-physical-field cooperative water inrush monitoring method |
| CN112433254A (en) * | 2020-12-03 | 2021-03-02 | 长江大学 | Method for exploring water disaster position of coal mine working face |
| CN113550791A (en) * | 2021-07-15 | 2021-10-26 | 陕西麟北煤业开发有限责任公司 | Coal seam roof separation water detection method for coal mine control management |
| CN114924323A (en) * | 2022-04-14 | 2022-08-19 | 吉林大学 | Permeable reactive barrier adsorption effect monitoring device and monitoring method |
| CN115576022A (en) * | 2022-12-05 | 2023-01-06 | 中煤科工西安研究院(集团)有限公司 | Electric monitoring system and method for mine water damage hidden danger |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106968707A (en) * | 2017-04-19 | 2017-07-21 | 中国矿业大学 | A kind of coal seam prevents and treats design method for the water damage of Main aquifer mine |
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| RU2729291C1 (en) * | 2017-04-19 | 2020-08-05 | Чайна Юниверсити Оф Майнинг Энд Текнолоджи | Method for planning prevention and elimination of accidents associated with accumulation of water for mine containing coal bed in form of main water-bearing horizon |
| CN110174703A (en) * | 2019-06-04 | 2019-08-27 | 长江勘测规划设计研究有限责任公司 | A kind of data collector for the infiltration monitoring of DC electrical method water body |
| CN111025410A (en) * | 2019-12-30 | 2020-04-17 | 安徽惠洲地质安全研究院股份有限公司 | Electrical method advanced detection system and method |
| CN111042866A (en) * | 2019-12-30 | 2020-04-21 | 安徽惠洲地质安全研究院股份有限公司 | Multi-physical-field cooperative water inrush monitoring method |
| CN111042866B (en) * | 2019-12-30 | 2021-07-09 | 安徽惠洲地质安全研究院股份有限公司 | Multi-physical-field cooperative water inrush monitoring method |
| CN112433254A (en) * | 2020-12-03 | 2021-03-02 | 长江大学 | Method for exploring water disaster position of coal mine working face |
| CN113550791A (en) * | 2021-07-15 | 2021-10-26 | 陕西麟北煤业开发有限责任公司 | Coal seam roof separation water detection method for coal mine control management |
| CN113550791B (en) * | 2021-07-15 | 2024-02-09 | 陕西麟北煤业开发有限责任公司 | Coal seam roof separation water detection method for coal mine control management |
| CN114924323A (en) * | 2022-04-14 | 2022-08-19 | 吉林大学 | Permeable reactive barrier adsorption effect monitoring device and monitoring method |
| CN115576022A (en) * | 2022-12-05 | 2023-01-06 | 中煤科工西安研究院(集团)有限公司 | Electric monitoring system and method for mine water damage hidden danger |
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