CN109519172A - A kind of bump Intelligent preventive control system and control method - Google Patents
A kind of bump Intelligent preventive control system and control method Download PDFInfo
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- CN109519172A CN109519172A CN201811520059.8A CN201811520059A CN109519172A CN 109519172 A CN109519172 A CN 109519172A CN 201811520059 A CN201811520059 A CN 201811520059A CN 109519172 A CN109519172 A CN 109519172A
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- danger
- shock wave
- bump
- rock burst
- release
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C41/00—Methods of underground or surface mining; Layouts therefor
- E21C41/16—Methods of underground mining; Layouts therefor
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/28—Processing seismic data, e.g. analysis, for interpretation, for correction
- G01V1/30—Analysis
- G01V1/303—Analysis for determining velocity profiles or travel times
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V2210/00—Details of seismic processing or analysis
- G01V2210/60—Analysis
- G01V2210/62—Physical property of subsurface
- G01V2210/622—Velocity, density or impedance
- G01V2210/6222—Velocity; travel time
Abstract
This application discloses a kind of bump Intelligent preventive control system and control methods, the bump Intelligent preventive control system includes: vibration wave detector, it is arranged in the search coverage of mine, the shock wave probe instructions for being sent according to bump prevention and control controller carry out shock wave detection in search coverage；Bump prevention and control controller is connect by relay station with vibration wave detector, for according to the shock wave data from vibration wave detector received, control pressure relief devices work；Pressure relief devices are connect with bump prevention and control controller by relay station, unload press operation for carrying out in search coverage.The application is automatically performed shock wave detection operations by vibration wave detector, pressure relief devices and release works, without manually participating in, the casualties in bump prevention and control is fundamentally avoided, and eliminates influence of the human factor for prevention and control, improves prevention and control efficiency.
Description
Technical field
This application involves technical field of mine safety, particularly with regard to a kind of bump Intelligent preventive control system and control
Method.
Background technique
As coal in China mining depth is gradually increased, Deep Mine increases year by year, and the frequency and intensity occur for bump
Also aggravate year by year, therefore bump prevention and control just become the key of the safe and smooth progress of many coal minings.
Currently, influencing the main problem of bump prevention and control has at 3 points: the first, comprehensive mechanical coal mining, working face
It promotes comparatively fast, situ downhole look-in frequency is higher, it tends to be difficult to guarantee；The second, after the completion of detecting, when there is danger of burst,
Due to personnel assignment is nervous or with stoping work contradiction, solution danger work usually lags；Carry out release in third, the rock burst fatalness area
Measure, operating personnel are difficult to ensure safely.
Summary of the invention
In view of this, can be realized underground this application provides a kind of bump Intelligent preventive control system and control method
It the automatic detection operations of shock wave and works the automatically unloading of bump danger zone, it is anti-without manually participating in improving
Efficiency is controlled, ensure that personnel safety.
According to the one aspect of the application, a kind of bump Intelligent preventive control system is provided, comprising:
Wave detector is shaken, is arranged in the search coverage of mine, for what is sent according to bump prevention and control controller
Shock wave probe instructions carry out shock wave detection in the search coverage；
The bump prevention and control controller is connect by relay station with the vibration wave detector, for according to reception
The shock wave data from the vibration wave detector arrived, control pressure relief devices work；
The pressure relief devices are connect by the relay station with the bump prevention and control controller, in the spy
It surveys in region and carries out unloading press operation.
According to the another aspect of the application, a kind of control method of bump Intelligent preventive control system is provided, for
The bump Intelligent preventive control system stated, comprising:
The shock wave probe instructions are sent to the vibration wave detector, so that the vibration wave detector receives institute
Shock wave detection, and the shock wave data that feedback detection arrives are carried out after stating shock wave probe instructions；
Receive the shock wave data from the vibration wave detector；
If analyzing to obtain in the search coverage there are bump danger according to the shock wave data, impact is obtained
Danger zone, and generate release instruction corresponding with the rock burst fatalness area；
It sends the release to instruct to the pressure relief devices, so that the pressure relief devices are instructed according to the release to described
The rock burst fatalness area carries out release.
By above-mentioned technical proposal, a kind of bump Intelligent preventive control system provided by the present application, by being arranged in detection
Vibration wave detector in region carries out shock wave according to probe instructions and detects automatically, so bump prevention and control controller according to
Detection result analyzes the danger of burst situation of search coverage, formulates release scheme, and controls pressure relief devices and implement corresponding release
Measure.The shock wave detection operations of the application and release, which work, assigns phase by relay station by bump prevention and control controller
It should instruct to vibration wave detector, pressure relief devices, be automatically performed by vibration wave detector, pressure relief devices, be participated in without artificial,
The casualties in bump prevention and control is fundamentally avoided, and eliminates human factor for the shadow of prevention and control
It rings, improves prevention and control efficiency.
Above description is only the general introduction of technical scheme, in order to better understand the technological means of the application,
And it can be implemented in accordance with the contents of the specification, and in order to allow above and other objects, features and advantages of the application can
It is clearer and more comprehensible, below the special specific embodiment for lifting the application.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present application, constitutes part of this application, this Shen
Illustrative embodiments and their description please are not constituted an undue limitation on the present application for explaining the application.In the accompanying drawings:
Fig. 1 shows a kind of structural schematic diagram of bump Intelligent preventive control system of the embodiment of the present application；
Fig. 2 shows a kind of processes of the control method of bump Intelligent preventive control system provided by the embodiments of the present application to show
It is intended to；
Fig. 3 shows the process of the control method of another bump Intelligent preventive control system provided by the embodiments of the present application
Schematic diagram；
Fig. 4 shows a kind of shock hazard curve synoptic diagram of the embodiment of the present application；
Fig. 5 shows a kind of release operation schematic diagram of pressure relief devices.
Specific embodiment
The application is described in detail below with reference to attached drawing and in conjunction with the embodiments.It should be noted that not conflicting
In the case of, the features in the embodiments and the embodiments of the present application can be combined with each other.
A kind of bump Intelligent preventive control system is provided in the present embodiment, and Fig. 1 shows the one of the embodiment of the present application
The structural schematic diagram of kind bump Intelligent preventive control system.Bump Intelligent preventive control system as shown in Figure 1 includes: shock wave
Detector 10, is arranged in the search coverage of mine, and the shock wave detection for being sent according to bump prevention and control controller refers to
It enables and carries out shock wave detection in search coverage；Bump prevention and control controller is connected by relay station and vibration wave detector 10
It connects, for according to the shock wave data from vibration wave detector 10 received, control pressure relief devices work；Pressure relief devices
20, it is connect by relay station with bump prevention and control controller, unloads press operation for carrying out in search coverage.
In the above-described embodiments, in the operating area (or search coverage) of mine (such as coal mine) arrangement vibration wave detector
10, vibration wave detector 10 is specifically as follows the unmanned intelligent detecting system of earthquake CT, is assigned according to bump prevention and control controller
Probe instructions concentrate dead load to carry out in-situ investigation in coal seam, vibration wave detector 10 will detect resulting shock wave and be sent to
In bump prevention and control controller, judge whether search coverage deposits according to the shock wave received by bump prevention and control controller
In danger of burst, when search coverage is dangerous, corresponding release scheme is formulated, and controls pressure relief devices 20 in mine
According to dangerous situation, unloading pressure means are implemented to danger zone, wherein bump prevention and control controller with shake wave detector 10 and unload
Information exchange between pressure equipment 20 is completed by relay station transfer.
Technical solution by applying this embodiment, by the vibration wave detector 10 that is arranged in search coverage according to spy
It surveys instruction progress shock wave to detect automatically, and then bump prevention and control controller analyzes the impact of search coverage according to detection result
Dangerous situation formulates release scheme, and control pressure relief devices 20 implement for unloading pressure means, the shock wave of the application detects work
Make and release work is controlled by bump prevention and control controller and completed, is participated in without artificial, fundamentally avoid impact
The casualties in prevention and control is pressed on ground, and eliminates influence of the human factor for prevention and control, improves prevention and control efficiency.
In one embodiment of the application, specifically, wave detector 10 is shaken, is specifically included: spontaneous focus 101, from
Hair focus 101 is arranged in the side of the stope 30 of search coverage, for swashing according to the shock wave probe instructions received
Send out shock wave；Wave detector 102, wave detector 102 are arranged in the other side of the stope 30 opposite with spontaneous focus 101, use
In receiving shock wave, and by the corresponding shock wave data feedback of shock wave to bump prevention and control controller.
In the above-described embodiments, vibration wave detector 10 includes 102 two parts of spontaneous focus 101 and wave detector, such as Fig. 1
It is shown, spontaneous focus 101 may include it is multiple, be arranged in the crossheading of 30 side of stope of search coverage, examine
The quantity of wave device 102 and the quantity of spontaneous focus 101 match, wave detector 102 respectively with spontaneous focus 101 is opposite is arranged in
In the crossheading of 30 other side of stope, after vibration wave detector receives shock wave probe instructions, spontaneous focus 101 is excited
Shock wave detects the search coverage between above-mentioned two crossheadings, the shake that is received shock wave by wave detector 102 and will be obtained
Shock wave can be realized without human intervention and intelligently visit according to being sent in bump prevention and control controller by relay station for dynamic wave number
It surveys, improves detection efficient, avoid injures and deaths caused by manually detecting.
In one embodiment of the application, specifically, pressure relief devices 20 are caterpillar track travelling drill carriage.
In the above-described embodiments, pressure relief devices 20 are specifically as follows caterpillar track travelling drill carriage, and caterpillar track travelling drill carriage is applicable in
In release operation in mine, release efficiency is improved, injures and deaths caused by manual operation are avoided.
It waits in addition, pressure relief devices 20 are rested in when working without release in waiting chamber 40, is adopted to prevent influencing underground
The operations such as mine, detection and release.
A kind of control method of bump Intelligent preventive control system is provided in the present embodiment, as shown in Fig. 2, this method
Include:
Step 101, shock wave probe instructions are sent to wave detector is shaken, so that vibration wave detector receives shock wave
Shock wave detection, and the shock wave data that feedback detection arrives are carried out after probe instructions.
The control method of the application is specifically used for bump prevention and control controller, and controller is specifically as follows computer and sets
It is standby.Shock wave probe instructions are sent to vibration wave detector, so that vibration wave detector comes into effect after receiving probe instructions
Detection operations, and resulting shock wave will be detected and fed back.Wherein, probe instructions can be in the stope in mine
Formation initial stage assigns, and realizes the pre assessment to search coverage risk and then pre-processes, can also be according under detection cycle
Up to probe instructions, the periodic assessment to search coverage risk and processing are realized, or can work and complete in a release
After assign probe instructions, thus realize to release work complete effect inspection.
Step 102, the shock wave data from vibration wave detector are received.
After shaking wave detector detection, resulting shock wave data will be detected and fed back by relay station, so as to
It is further analyzed by impact risk of the shock wave data to search coverage, realizes bump prevention and control.
Step 103, if analyzing to obtain in search coverage there are bump danger according to shock wave data, impact is obtained
Danger zone, and generate release instruction corresponding with the rock burst fatalness area.
If the shock wave received is statistics indicate that there are bump danger in search coverage, such as utilize shock wave data
Tomographic inversion as a result, comprehensively consider shock wave velocity of wave size and velocity of wave variable gradient analysis search coverage in whether deposit
In bump danger, and when dangerous, according in vibration wave analysis search coverage there are the specific region of danger of burst,
And the risk of analysis the rock burst fatalness area, so that it is determined that corresponding release scheme, generates release instruction.Wherein, impact danger
Danger zone domain is determined according to the corresponding mileage value of " danger " shock wave, such as analysis knows 200 meters to 230 meters of distance measurement starting point
There are bump danger for shock wave before, and the search coverage between 200 meters to 230 meters of starting point can be determined for punching
Hit danger zone.
Step 104, it sends release to instruct to pressure relief devices, so that pressure relief devices are instructed according to release to the rock burst fatalness area
Carry out release.
It will be sent in pressure relief devices comprising the release of release scheme instruction, pressure relief devices will be instructed according to release to be impacted
Destressing borehole operation is implemented in danger zone, until completing the release work of whole the rock burst fatalness area.In addition, pressure relief devices are not
When work, rest in waiting chamber, release is instructed in addition to the release operational order comprising pressure relief devices to the rock burst fatalness area
Outside, it should also travel from waiting chamber to the instruction of release work enforcement place and release and work including control pressure relief devices
Cheng Hou, pressure relief devices are back to the instruction of original waiting chamber, in order to avoid influence other operations under mine.
Technical solution by applying this embodiment, by the vibration wave detector that is arranged in search coverage according to detection
Instruction carries out shock wave and detects automatically, and then bump prevention and control controller is endangered according to the impact that detection result analyzes search coverage
Dangerous situation condition, formulate release scheme, and control pressure relief devices implement for unloading pressure means.The shock wave detection operations of the application with
And release work assigns command adapted thereto to shaking wave detector, pressure relief devices by relay station by bump prevention and control controller
Afterwards, it is automatically performed by vibration wave detector, pressure relief devices, is participated in without artificial, fundamentally avoid bump prevention and control work
Casualties in work, and influence of the human factor for prevention and control is eliminated, improve prevention and control efficiency.
Further, as the refinement and extension of above-described embodiment specific embodiment, in order to completely illustrate the present embodiment
Specific implementation process, the control method of another bump Intelligent preventive control system is provided, as shown in figure 3, this method packet
It includes:
Step 201, shock wave probe instructions are sent to wave detector is shaken, so that vibration wave detector receives shock wave
Shock wave detection, and the shock wave data that feedback detection arrives are carried out after probe instructions；
Step 202, the shock wave data from vibration wave detector are received.
After assigning shock wave probe instructions to vibration wave detector, vibration wave detector starts to be detected, and detection terminates
The shock wave data that vibration wave detector is obtained by the detection that relay station returns afterwards.To be analyzed according to shock wave data
After further realize bump prevention and control.
Step 203, if being analyzed to obtain in search coverage according to shock wave data, there is no bump danger, default
After the probe interval time, returns and retransmit shock wave probe instructions to shaking wave detector.
If the shock wave received is statistics indicate that there is no bump danger, such as the fluctuation of shock wave in search coverage
Value is respectively less than danger of burst fluctuation threshold and illustrates that there is no bump danger in search coverage, then after certain interval of time, then
Secondary shock wave probe instructions of assigning carry out shock wave detection to search coverage again, wherein visiting twice into vibration wave detector
The interval time of survey is the above-mentioned default probe interval time, is periodically detected to the working region in mine, to back production work
The bump danger for making face is monitored, and helps to find that the bump in mine is dangerous in time, and then facilitate in time
Implement release, prevents trouble before it happens, in order to avoid cause the loss of personnel and equipment.
Step 204, if being obtained in search coverage according to vibration data wave analysis, there are bump danger, according to vibration
Wave number evidence draws shock hazard curve graph.
And if analyzed to obtain in search coverage according to the shock wave data received, there are bump danger, bases
Shock wave data draw the corresponding shock hazard curve graph of search coverage.As Fig. 4 shows a kind of punching of the embodiment of the present application
Hit risk curve synoptic diagram.The curve shows the corresponding risk size of different location of distance measurement starting point.In figure
Solid line lines marked as 1 are the corresponding dangerous linearity curve of search coverage.
Step 205, according to shock hazard curve graph and default risk early warning line, the impact in search coverage is analyzed
The corresponding danger classes in danger zone and the rock burst fatalness area.
In the embodiment of above-mentioned steps 205, specifically further include, it step 2051, will be dangerous in shock hazard curve graph
Linearity curve is more than that the corresponding search coverage in part of default risk early warning line is determined as the rock burst fatalness area.
As shown in figure 4, the dashed lines marked as 2 are default risk early warning line, wherein dangerous linearity curve is more than default
The part of risk early warning line is the rock burst fatalness area, in addition, also depicting spy in figure to help to understand risk curve graph
Survey the corresponding relationship of the rock burst fatalness area and risk curve graph in the stope of region, wherein the rock burst fatalness area includes
3,4,5 in diagram.
Step 2052, according to the rock burst fatalness area corresponding dangerous linearity curve and default danger early warning line and default danger etc.
The relationship in grade line of demarcation, determines the corresponding danger classes in the rock burst fatalness area.
Wherein, presetting danger classes line of demarcation includes weak impact-medium impact danger line of demarcation and medium impact-Qiang Chong
Hit dangerous line of demarcation.Do not show in weak impact-medium impact danger line of demarcation and medium impact-thump danger boundary line chart
Out.
Step 2052, it specifically includes: if the maximum value of the corresponding dangerous linearity curve in the rock burst fatalness area is greater than or equal in advance
If danger early warning line and be less than weak impact-medium impact danger line of demarcation, it is determined that the rock burst fatalness area be weak danger of burst area
Domain；If the maximum value of the corresponding dangerous linearity curve in the rock burst fatalness area is greater than or equal to weak impact-medium impact danger line of demarcation
And it is less than medium impact-thump danger line of demarcation, it is determined that the rock burst fatalness area is medium impact danger zone；If impact danger
The maximum value of the corresponding dangerous linearity curve in danger zone domain is greater than or equal to medium impact-thump danger line of demarcation, it is determined that impact
Danger zone is thump danger zone.
It is dangerous according to default risk early warning line, weak impact-medium impact danger line of demarcation and medium impact-thump
After line of demarcation determines the corresponding danger classes in each the rock burst fatalness area, the release of the search coverage can be further determined
Scheme.As shown in figure 4, the rock burst fatalness area 3,4,5 is respectively weak the rock burst fatalness area, thump danger zone and medium punching
Hit danger zone.
Step 206, determine that release corresponding with the rock burst fatalness area instructs according to danger classes.
In any of the above-described embodiment, specifically, release instruction includes at least relief area, release path, drilling hole depth
And drilling hole away from, wherein relief area includes the rock burst fatalness area.
Step 207, it sends release to instruct to pressure relief devices, so that pressure relief devices are instructed according to release to the rock burst fatalness area
Carry out release.
It, can be corresponding according to the rock burst fatalness area after determining the rock burst fatalness area and its danger classes in search coverage
The degree of strength of danger classes formulates release scheme, sends pressure relief devices by relay station for the instruction comprising release scheme
In, to complete release operation by pressure relief devices.Specifically, thump danger zone is that punching is most easily produced in working region
Dangerous part is hit, release secondly should be carried out to medium the rock burst fatalness area, finally preferentially to carry out release operation to the part
Release is carried out to weak the rock burst fatalness area.As Fig. 5 shows a kind of release operation schematic diagram of pressure relief devices.Figure label is 6
Dashed lines be release path, wherein the principle of the high area preference release of release path hazards is planned that path is 1.
Section is waiting chamber to thump danger zone, and 2. section is thump danger zone to medium impact danger zone, path in path
3. section is exactly medium impact danger zone to weak the rock burst fatalness area, in addition, weak the rock burst fatalness area is implemented after unloading press operation,
Pressure relief devices should also be controlled to return in waiting chamber, this section of path is not shown in the figure.Label 7 is relief area, that is, danger of burst area
Domain, label 8 are destressing borehole, and label 9,10 is respectively between the release hole depth and pressure relief vent of corresponding thump danger zone
Away from, the release hole depth and release pitch of holes of the respectively corresponding medium impact danger zone of label 11,12,13,14 points of label
Not Wei corresponding weak the rock burst fatalness area release hole depth and release pitch of holes.
Step 208, when the release sent after receiving pressure relief devices to terminate release terminates feedback, shock wave is sent again
Probe instructions are to wave detector, and new shock wave of the reception from vibration wave detector is shaken, until according to new shock wave
Until analysis obtains that bump danger is not present in search coverage.
After pressure relief devices instruct completion release work to be back in waiting chamber according to release, pressure relief devices can return to one
A release terminates feedback signal, after controller receives the signal, should send shock wave probe instructions to shock wave again and detect
Device is tested with the completion effect to work release, specifically, if vibration wave detector return shock wave statistics indicate that
Bump danger has been not present in search coverage, then has illustrated that this release work has relieved in search coverage instantly
Bump is dangerous, and in return step 203, progress is periodically monitored i.e. the bump dangerous situation in search coverage
It can.
And if shake wave detector return shock wave statistics indicate that search coverage in there are still bump danger, say
The performance of bright this release work is not ideal enough, then answering return step 204, with redefining the impact in search coverage
Danger zone and its danger classes are pressed, release instruction is regenerated and is again carried out with to control pressure relief devices and unload press operation, until unloading
After pressure equipment completes release work again, the shock wave that vibration wave detector returns is statistics indicate that there is no impacts in search coverage
After until ground pressure is dangerous, in return step 203, regular monitoring is carried out to the bump dangerous situation in search coverage.It prevents
Release is insufficient to cause security risk.
Technical solution by applying this embodiment, it is regular by the vibration wave detector being arranged in Mine pit survey region
Shock wave data are obtained, to analyze the rock burst fatalness area and its grade according to shock wave data, and determine corresponding release side
Case, press operation is unloaded in the pressure relief devices implementation controlled in mine, and tests to release effect, helps to find and release in time
The bump of search coverage is dangerous, protects the safety of personnel in the pit and equipment, and whole process is not necessarily to artificial underground work, from
The casualties in bump prevention and control is fundamentally avoided, and eliminates influence of the human factor for prevention and control,
Improve prevention and control efficiency.
The foregoing is merely preferred embodiment of the present application, are not intended to limit the scope of the patents of the application, all utilizations
Equivalent structure transformation made by present specification and accompanying drawing content is applied directly or indirectly in other relevant technology necks
Domain similarly includes in the scope of patent protection of the application.
Claims (10)
1. a kind of bump Intelligent preventive control system characterized by comprising
Wave detector is shaken, is arranged in the search coverage of mine, the vibration for being sent according to bump prevention and control controller
Wave probe instructions carry out shock wave detection in the search coverage；
The bump prevention and control controller is connect by relay station with the vibration wave detector, is received for basis
Shock wave data from the vibration wave detector, control pressure relief devices work；
The pressure relief devices are connect by the relay station with the bump prevention and control controller, in the detecting area
It carries out unloading press operation in domain.
2. bump Intelligent preventive control system according to claim 1, which is characterized in that the vibration wave detector, tool
Body includes:
Spontaneous focus, the spontaneous focus are arranged in the side of the stope of the search coverage, receive for basis
The shock wave probe instructions, excite shock wave；
Wave detector, the wave detector is arranged in the other side of the stope opposite with the spontaneous focus, for receiving
State shock wave, and by the corresponding shock wave data feedback of the shock wave to the bump prevention and control controller.
3. bump Intelligent preventive control system according to claim 1, which is characterized in that the pressure relief devices are crawler belt row
Walk formula drill carriage.
4. a kind of control method of bump Intelligent preventive control system, for impacting as claimed any one in claims 1 to 3
Press Intelligent preventive control system in ground characterized by comprising
The shock wave probe instructions are sent to the vibration wave detector, so that the vibration wave detector receives the shake
Shock wave detection, and the shock wave data that feedback detection arrives are carried out after dynamic wave probe instructions；
Receive the shock wave data from the vibration wave detector；
If analyzing to obtain in the search coverage there are bump danger according to the shock wave data, danger of burst is obtained
Region, and generate release instruction corresponding with the rock burst fatalness area；
It sends the release to instruct to the pressure relief devices, so that the pressure relief devices are instructed according to the release to the impact
Danger zone carries out release.
5. according to the method described in claim 4, it is characterized in that, it is described send the release instruct to the pressure relief devices it
Afterwards, the method also includes:
When the release for receiving the pressure relief devices and terminating to send after release terminates feedback, the shock wave detection is sent again
It instructs to the vibration wave detector, and receives the new shock wave data from the vibration wave detector, until according to institute
New shock wave data are stated to analyze to obtain in the search coverage until the bump danger is not present.
6. according to the method described in claim 4, it is characterized in that, described receive the shock wave from the vibration wave detector
Later, the method also includes:
If being analyzed to obtain in the search coverage according to the shock wave data, there is no the bump danger, default
After the probe interval time, returns and retransmit the shock wave probe instructions to the vibration wave detector.
7. the method according to any one of claim 4 to 6, which is characterized in that the acquisition the rock burst fatalness area, and it is raw
It instructs, specifically includes at release corresponding with the rock burst fatalness area:
According to the shock wave data, shock hazard curve graph is drawn；
According to the shock hazard curve graph and default risk early warning line, the impact in the search coverage is analyzed
The corresponding danger classes in danger zone and the rock burst fatalness area；
The release instruction corresponding with the rock burst fatalness area is determined according to the danger classes.
8. the method according to the description of claim 7 is characterized in that described according to the shock hazard curve graph and default
Risk early warning line analyzes the corresponding danger in the rock burst fatalness area and the rock burst fatalness area in the search coverage
Dangerous grade, specifically includes:
It is more than the corresponding institute in part of the default risk early warning line by linearity curve dangerous in the shock hazard curve graph
It states search coverage and is determined as the rock burst fatalness area；
According to the corresponding dangerous linearity curve in the rock burst fatalness area and the default danger early warning line and default danger classes point
The relationship in boundary line determines the corresponding danger classes in the rock burst fatalness area.
9. according to the method described in claim 8, it is characterized in that, the default danger classes line of demarcation includes in weak impact-
Equal danger of burst line of demarcation and medium impact-thump danger line of demarcation；
It is described according to the rock burst fatalness area corresponding dangerous linearity curve and the default danger early warning line and default danger etc.
The relationship in grade line of demarcation, determines the corresponding danger classes in the rock burst fatalness area, specifically includes:
If the maximum value of the corresponding dangerous linearity curve in the rock burst fatalness area be greater than or equal to the default danger early warning line and
Less than the weak impact-medium impact danger line of demarcation, it is determined that the rock burst fatalness area is weak the rock burst fatalness area；
If the maximum value of the corresponding dangerous linearity curve in the rock burst fatalness area is greater than or equal to the weak impact-medium impact danger
Dangerous line of demarcation and be less than the medium impact-thump danger line of demarcation, it is determined that the rock burst fatalness area be medium impact
Danger zone；
If the maximum value of the corresponding dangerous linearity curve in the rock burst fatalness area is greater than or equal to the medium impact-thump danger
Dangerous line of demarcation, it is determined that the rock burst fatalness area is thump danger zone.
10. according to the method described in claim 8, it is characterized in that, release instruction includes at least relief area, release road
Diameter, drilling hole depth and drilling hole away from, wherein the relief area includes the rock burst fatalness area.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111337971A (en) * | 2020-04-21 | 2020-06-26 | 天地科技股份有限公司 | Coal body stress detection device based on controllable seismic source |
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