CN108825303A - A kind of coal working face erosion control release effect detection method - Google Patents
A kind of coal working face erosion control release effect detection method Download PDFInfo
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- CN108825303A CN108825303A CN201810365255.6A CN201810365255A CN108825303A CN 108825303 A CN108825303 A CN 108825303A CN 201810365255 A CN201810365255 A CN 201810365255A CN 108825303 A CN108825303 A CN 108825303A
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- detection hole
- intensity signal
- radio wave
- working face
- release effect
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- 238000001514 detection method Methods 0.000 title claims abstract description 136
- 239000003245 coal Substances 0.000 title claims abstract description 62
- 230000000694 effects Effects 0.000 title claims abstract description 36
- 230000003628 erosive effect Effects 0.000 title claims abstract description 21
- 230000035515 penetration Effects 0.000 claims abstract description 34
- 239000000523 sample Substances 0.000 claims abstract description 27
- 239000003550 marker Substances 0.000 claims description 19
- 238000007689 inspection Methods 0.000 claims description 6
- 239000011083 cement mortar Substances 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 238000005065 mining Methods 0.000 abstract description 8
- 239000000463 material Substances 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000009659 non-destructive testing Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 238000009738 saturating Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000004568 cement Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
The invention discloses a kind of coal working face erosion control release effect detection methods, include the following steps：Beat detection hole；The receiving transducer of radio wave penetration system and transmitting probe are separately mounted in the detection hole laid in pairs；The strength signal of electromagnetic wave is obtained by the host of sonic test instrument, and is denoted as the first electromagnetic intensity signal；After coal working face release, the strength signal of electromagnetic wave is obtained by the host of radio wave penetration system, and is denoted as the second electromagnetic intensity signal；Compare the size of the first electromagnetic intensity signal and the second electromagnetic intensity signal, if the first electromagnetic intensity signal is greater than the second electromagnetic intensity signal, illustrates that release effect is good；If the first electromagnetic intensity signal is approximately equal to the second electromagnetic intensity signal, illustrate that release effect is poor.The detection method operates very easy, effectively saves manpower and material resources, and its detection effect is accurate, is capable of providing accurate data, provides accurate foundation for seam mining.
Description
Technical field
The invention belongs to rock burst coal seam coal mining erosion control technical fields, are specifically related to a kind of coal working face erosion control
Release effect detection method.
Background technique
With the deterioration of the increasing of coal mining depth, geology and mining conditions, it is raw that bump has become mine safety
Producing faced one of the disaster of most serious, it will usually moment causes tunnel inbreak to collapse, the prominent even closure in portion of side blocks,
Mining progress is not only influenced, but also usually threatens the safety of digging personnel and equipment, therefore, bump roadway surrounding rock is steady
Qualitative contrlol has become urgent need to solve the problem in Mineral Resources in China exploitation.Bump tunnel, which mainly uses, at present " unloads by force
The prevention technique in advance of pressure, strong supporting ", common pressure relief method include：Drill release, fluting release, high pressure water injection release
A variety of release schemes are usually used for a certain tunnel with release big gun release, pressure relief method has graduallyd mature, but release is imitated
The evaluation method of fruit is relatively fewer and innovative lower, and leading to working environment and personnel, there are huge security risks.Therefore,
It is extremely urgent to the research of bump heading release effect detection technology.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art described above, a kind of coal working face erosion control release is provided
Effect detection method.The detection method operates very easy, effectively saves manpower and material resources, and its detection effect
Accurately, accurate data are capable of providing, provide accurate foundation for seam mining.
To achieve the above object, the technical solution adopted by the present invention is that：A kind of coal working face erosion control release effect detection
Method, which is characterized in that include the following steps：
Step 1: breaking into the detection hole to laying on the coal seam side wall of gate road；
Step 2: the transmitting probe of radio wave penetration system is mounted in a detection hole, by radio wave penetration system
Receiving transducer be mounted in another detection hole, and by the power supply line of the transmitting probe and data line and receiving transducer
Power supply line and data line drawn out of described detection hole；
Step 3: blocking the detection hole with cement mortar；
Step 4: connecting the power supply of radio wave penetration system and opening the radio wave penetration system, pass through radio wave
The host of scenograph obtains the strength signal of electromagnetic wave, and is denoted as the first electromagnetic intensity signal, and it is saturating to be then shut off radio wave
Depending on the power supply of instrument；
Step 5: when to coal working face carry out release operation after, be again switched on radio wave penetration system power supply and
The radio wave penetration system is opened, electromagnetic intensity signal is obtained by the host of radio wave penetration system, and be denoted as second
Electromagnetic intensity signal；
Step 6: the first electromagnetic intensity signal and the second electromagnetic intensity signal, if described
One electromagnetic intensity signal is greater than the second electromagnetic intensity signal, illustrates after release, and the shatter value inside coal seam is high, unloads
Press effect good；If the first electromagnetic intensity signal is approximately equal to the second electromagnetic intensity signal, illustrate after release,
Compactness inside coal seam is unchanged, and release effect is unobvious.
A kind of above-mentioned coal working face erosion control release effect detection method, it is characterised in that：In step 2, as general
The transmitting probe of radio wave penetration system is mounted in a detection hole, and the receiving transducer of radio wave penetration system is mounted on
When in another detection hole, the transmitting probe is first mounted on to the end of a station location marker bar, it will be on the receiving transducer
It is mounted on the end of another station location marker bar, then passes through the station location marker bar for the transmitting probe and receiving transducer
It is delivered in detection hole respectively, is provided with length scale on the station location marker bar.
A kind of above-mentioned coal working face erosion control release effect detection method, it is characterised in that：Between the hole of the detection hole
Away from for 8000cm~10000cm.
A kind of above-mentioned coal working face erosion control release effect detection method, it is characterised in that：The receiving transducer and inspection
The distance between aperture of gaging hole and the distance between the transmitting probe and the aperture of detection hole be 300cm~
500cm。
A kind of above-mentioned coal working face erosion control release effect detection method, it is characterised in that：The detection hole setting exists
On coal seam in air return way.
A kind of above-mentioned coal working face erosion control release effect detection method, it is characterised in that：The detection hole setting exists
On coal seam in haulage gate.
A kind of above-mentioned coal working face erosion control release effect detection method, it is characterised in that：One or more inspections
Gaging hole is arranged on the coal seam in air return way, another or the setting of multiple detection holes corresponding thereto transport it is suitable
On coal seam in slot.
Compared with the prior art, the present invention has the following advantages：
1, of the invention easy to operate, it is novel in design rationally.
2, the present invention can effectively realize the non-destructive testing in coal seam, and the detection method operate it is very easy,
Manpower and material resources effectively are saved, and its detection effect is accurate, is capable of providing accurate data, provides standard for seam mining
True foundation.
3, the present invention has the station location marker bar of length scale by setting, by observing on the station location marker bar
Length scale can be derived that transmitting probe and receiving transducer in the accurate location of detection hole.And by using cement in step 3
When mortar blocks the detection hole, the station location marker bar can effectively be fixed.
4, the pitch of holes of detection hole of the invention is 8000cm~10000cm.It can be realized multiple spot detection in this way, so that
It is more comprehensive to bump coal working face release effect.
Below by drawings and examples, technical scheme of the present invention will be described in further detail.
Detailed description of the invention
Fig. 1 is flow chart of the method for the present invention.
Fig. 2 is the layout position illustration of the detection hole in the embodiment of the present invention 1.
Fig. 3 is the layout position illustration of the detection hole in the embodiment of the present invention 2.
Fig. 4 is the layout position illustration of the detection hole in the embodiment of the present invention 3.
Description of symbols:
1-haulage gate；2-air return way；3-coal seams；
4-detection holes；The first detection hole of 41a-；The second detection hole of 41b-；
42a-third detection hole；The 4th detection hole of 42b-；The 5th detection hole of 43a-；
The 6th detection hole of 43b-；The 7th detection hole of 44a-；The 8th detection hole of 44b-；
The 9th detection hole of 45a-；The tenth detection hole of 45b-；The 11st detection hole of 46a-；
The 12nd detection hole of 46b-；The 13rd detection hole of 47a-；The 14th detection hole of 47b-；
The 15th detection hole of 48a-；The 16th detection hole of 48b-；The 17th detection hole of 49a-；
The 18th detection hole of 49b-.
Specific embodiment
Embodiment 1
A kind of coal working face erosion control release effect detection method as shown in Figure 1, includes the following steps：
Step 1: breaking into the detection hole 4 to laying on 3 side wall of the coal seam of gate road；
Step 2: the transmitting probe of radio wave penetration system is mounted in a detection hole 4, by Radio Penetration
The receiving transducer of instrument is mounted in another detection hole 4, and by the power supply line of the transmitting probe and data line and receives spy
The power supply line and data line of head are drawn out of described detection hole 4；
Step 3: being blocked with cement mortar to the detection hole 4；
Step 4: connecting the power supply of radio wave penetration system and opening the radio wave penetration system, pass through radio wave
The host of scenograph obtains the strength signal of electromagnetic wave, and is denoted as the first electromagnetic intensity signal, and it is saturating to be then shut off radio wave
Depending on the power supply of instrument；
Step 5: when to coal working face carry out release operation after, be again switched on radio wave penetration system power supply and
The radio wave penetration system is opened, electromagnetic intensity signal is obtained by the host of radio wave penetration system, and be denoted as second
Electromagnetic intensity signal；
Step 6: the first electromagnetic intensity signal and the second electromagnetic intensity signal, if described
One electromagnetic intensity signal is greater than the second electromagnetic intensity signal, illustrates after release, and the shatter value inside coal seam 3 is high, unloads
Press effect good；If the first electromagnetic intensity signal is approximately equal to the second electromagnetic intensity signal, illustrate after release,
Compactness inside coal seam 3 is unchanged, and release effect is unobvious.
In the present embodiment, the gate road is the general designation of haulage gate 1 and air return way 2.
As shown in Fig. 2, the coal seam 3 in air return way 2 is arranged in one or more detection holes 4 in the present embodiment
On, another or multiple detection holes 4 corresponding thereto is arranged on the coal seam 3 in haulage gate 1.
In the present embodiment, by this detection method, the non-destructive testing in coal seam, and the detection can be effectively realized
Method operates very easy, effectively saves manpower and material resources, and its detection effect is accurate, is capable of providing accurately
Data provide accurate foundation for seam mining.
In the present embodiment, the radio wave penetration system uses multi-channel type, one in detection hole 4 laid in pairs
Transmitting probe is installed in detection hole 4, receiving transducer is installed in another detection hole 4, when opening radio wave penetration system, hair
It penetrates probe and issues electromagnetic wave, receiving transducer corresponding thereto receives electromagnetic wave, can by the host of radio wave penetration system
Obtain the strength signal of the electromagnetic wave.
In the present embodiment, the first detection hole 41a and the second detection hole 41b is to lay in pairs, first detection hole
41a is provided on the coal seam 3 in haulage gate 1, and the second detection hole 41b is provided on the coal seam 3 of air return way 2, described
Third detection hole 42a is provided on the coal seam 3 in haulage gate 1, and the 4th detection hole 42b is provided with the coal of air return way 2
On layer 3, the 5th detection hole 43a is provided on the coal seam 3 in haulage gate 1, and the 6th detection hole 43b is provided with back
On the coal seam 3 of wind crossheading 2.
In the present embodiment, in step 2, when the transmitting probe of radio wave penetration system is mounted on a detection hole 4
It is interior, when the receiving transducer of radio wave penetration system is mounted in another detection hole 4, first the transmitting probe is mounted on
The end of one station location marker bar will be mounted on the end of another station location marker bar, then pass through institute on the receiving transducer
Rheme sets mark rod and the transmitting probe and receiving transducer is delivered to respectively in detection hole 4, is arranged on the station location marker bar
There is length scale.
In the present embodiment, there is the station location marker bar of length scale by being arranged, by observing on the station location marker bar
Length scale, can be derived that transmitting probe and receiving transducer in the accurate location of detection hole 4.And by being used in step 3
When cement mortar blocks the detection hole 4, the station location marker bar can effectively be fixed.
In the present embodiment, the structure of the station location marker bar is simple, in the shape of a rod, along the length side of the station location marker bar
To length scale is provided with, the transmitting probe and receiving transducer are fixed on the position mark in such a way that iron wire is bound
Know on bar.
In the present embodiment, the pitch of holes of the detection hole 4 is 8000cm~10000cm.It can be realized multiple spot inspection in this way
It surveys, so that more comprehensive to bump coal working face release effect.
In the present embodiment, the distance between aperture of the receiving transducer and detection hole 4 and the transmitting probe with
The distance between the aperture of detection hole 4 is 300cm~500cm.Enable to receiving transducer and transmitting probe that can have in this way
Effect gos deep into coal seam 3, obtains accurate detection data.
Embodiment 2
As shown in figure 3, the present embodiment difference from example 1 is that：The detection hole 4 is arranged in haulage gate 1
On interior coal seam 3.
As shown in figure 3, the 7th detection hole 44a, the 8th detection hole 44b, the 9th detection hole 45a, the tenth detection hole 45b,
11 detection hole 46a and the 12nd detection hole 46b are provided on the coal seam 3 in haulage gate 1, the 7th detection hole 44a
It is to lay in pairs with the 8th detection hole 44b, the 9th detection hole 45a and the tenth detection hole 45b is to lay in pairs, described the
11 detection hole 46a and the 12nd detection hole 46b are to lay in pairs.
Embodiment 3
As shown in figure 4, the present embodiment difference from example 1 is that：The detection hole 4 is arranged in air return way 2
On interior coal seam 3.
As shown in figure 4, the 13rd detection hole 47a, the 14th detection hole 47b, the 15th detection hole 48a, the 16th detection
Hole 48b, the 17th detection hole 49a and the 18th detection hole 49b are provided on the coal seam 3 in air return way 2, and described 13
Detection hole 47a and the 14th detection hole 47b is to lay in pairs, and the 15th detection hole 48a and the 16th detection hole 48b is
It lays in pairs, the 17th detection hole 49a and the 18th detection hole 49b is to lay in pairs.
The above is only presently preferred embodiments of the present invention, is not intended to limit the invention in any way, all according to this hair
Bright technical spirit any simple modification, change and equivalent structure transformation to the above embodiments, still fall within the present invention
In the protection scope of technical solution.
Claims (7)
1. a kind of coal working face erosion control release effect detection method, which is characterized in that include the following steps：
Step 1: breaking into the detection hole (4) to laying on coal seam (3) side wall of gate road；
Step 2: the transmitting probe of radio wave penetration system is mounted in a detection hole (4), by radio wave penetration system
Receiving transducer is mounted in another detection hole (4), and by the power supply line of the transmitting probe and data line and receiving transducer
Power supply line and data line draw out of the detection hole (4)；
Step 3: blocking the detection hole (4) with cement mortar；
Step 4: connecting the power supply of radio wave penetration system and opening the radio wave penetration system, pass through Radio Penetration
The host of instrument obtains the strength signal of electromagnetic wave, and is denoted as the first electromagnetic intensity signal, is then shut off radio wave penetration system
Power supply；
Step 5: being again switched on power supply and the unlatching of radio wave penetration system after carrying out release operation to coal working face
The radio wave penetration system obtains electromagnetic intensity signal by the host of radio wave penetration system, and is denoted as the second electromagnetism
Intensity of wave signal；
Step 6: the first electromagnetic intensity signal and the second electromagnetic intensity signal, if first electricity
Magnetic wave strength signal is greater than the second electromagnetic intensity signal, illustrates after release, and coal seam (3) internal shatter value is high, release
Effect is good；If the first electromagnetic intensity signal is approximately equal to the second electromagnetic intensity signal, illustrate after release, coal seam
(3) internal compactness is unchanged, and release effect is unobvious.
2. a kind of coal working face erosion control release effect detection method according to claim 1, it is characterised in that：In step
In two, when the transmitting probe of radio wave penetration system to be mounted in a detection hole (4), by the reception of radio wave penetration system
Probe be mounted on another detection hole (4) it is interior when, the transmitting probe is first mounted on to the end of a station location marker bar, by institute
The end for being mounted on another station location marker bar on receiving transducer is stated, then passes through the station location marker bar for the transmitting probe
It is delivered to respectively with receiving transducer in detection hole (4), is provided with length scale on the station location marker bar.
3. a kind of coal working face erosion control release effect detection method according to claim 1, it is characterised in that：The inspection
The pitch of holes of gaging hole (4) is 8000cm~10000cm.
4. a kind of coal working face erosion control release effect detection method according to claim 1, it is characterised in that：It is described to connect
Receive the distance between the aperture of the distance between probe and the aperture of detection hole (4) and the transmitting probe and detection hole (4)
It is 300cm~500cm.
5. a kind of coal working face erosion control release effect detection method according to claim 1, it is characterised in that：The inspection
Gaging hole (4) is arranged on the coal seam (3) in air return way (2).
6. a kind of coal working face erosion control release effect detection method according to claim 1, it is characterised in that：The inspection
Gaging hole (4) is arranged on the coal seam (3) in haulage gate (1).
7. a kind of coal working face erosion control release effect detection method according to claim 1, it is characterised in that：One or
Multiple detection holes (4) are arranged on the coal seam (3) in air return way (2), corresponding thereto another or it is multiple described
Detection hole (4) is arranged on the coal seam (3) in haulage gate (1).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810365255.6A CN108825303A (en) | 2018-04-23 | 2018-04-23 | A kind of coal working face erosion control release effect detection method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810365255.6A CN108825303A (en) | 2018-04-23 | 2018-04-23 | A kind of coal working face erosion control release effect detection method |
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| CN201810365255.6A Pending CN108825303A (en) | 2018-04-23 | 2018-04-23 | A kind of coal working face erosion control release effect detection method |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101936162A (en) * | 2010-04-16 | 2011-01-05 | 兖州煤业股份有限公司 | Method for preventing rock burst of bottom plate of layered tunnel in tectonic stress region of coal mine |
| CN103940568A (en) * | 2014-04-11 | 2014-07-23 | 中国矿业大学 | Method for detecting pressure relief blasting effect of hard roof |
| CN104832163A (en) * | 2015-05-20 | 2015-08-12 | 辽宁工程技术大学 | Method for monitoring rock burst dangerousness in coal underground mining process |
| CN105350965A (en) * | 2015-11-27 | 2016-02-24 | 西安科技大学 | Rock burst control method for coal mining tunnel |
| CN105626070A (en) * | 2015-12-14 | 2016-06-01 | 辽宁工程技术大学 | Rock burst prevention method through deep hole blasting and depressurizing |
-
2018
- 2018-04-23 CN CN201810365255.6A patent/CN108825303A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101936162A (en) * | 2010-04-16 | 2011-01-05 | 兖州煤业股份有限公司 | Method for preventing rock burst of bottom plate of layered tunnel in tectonic stress region of coal mine |
| CN103940568A (en) * | 2014-04-11 | 2014-07-23 | 中国矿业大学 | Method for detecting pressure relief blasting effect of hard roof |
| CN104832163A (en) * | 2015-05-20 | 2015-08-12 | 辽宁工程技术大学 | Method for monitoring rock burst dangerousness in coal underground mining process |
| CN105350965A (en) * | 2015-11-27 | 2016-02-24 | 西安科技大学 | Rock burst control method for coal mining tunnel |
| CN105626070A (en) * | 2015-12-14 | 2016-06-01 | 辽宁工程技术大学 | Rock burst prevention method through deep hole blasting and depressurizing |
Non-Patent Citations (2)
| Title |
|---|
| 刘少虹等: "基于电磁波CT 探测的掘进工作面冲击危险性评价技术研究", 《岩石力学与工程学报》 * |
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