CN105626151B - Press method for early warning stope of coal mines roadway bump - Google Patents
Press method for early warning stope of coal mines roadway bump Download PDFInfo
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- CN105626151B CN105626151B CN201610125561.3A CN201610125561A CN105626151B CN 105626151 B CN105626151 B CN 105626151B CN 201610125561 A CN201610125561 A CN 201610125561A CN 105626151 B CN105626151 B CN 105626151B
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- 239000003245 coal Substances 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000013480 data collection Methods 0.000 claims abstract description 17
- 238000012544 monitoring process Methods 0.000 claims abstract description 15
- 230000000694 effects Effects 0.000 claims abstract description 11
- 230000008859 change Effects 0.000 claims abstract description 10
- 239000011148 porous material Substances 0.000 claims abstract description 10
- 238000010276 construction Methods 0.000 claims abstract description 8
- 239000011435 rock Substances 0.000 claims description 5
- 238000005553 drilling Methods 0.000 claims description 4
- 230000036541 health Effects 0.000 claims description 4
- 230000002159 abnormal effect Effects 0.000 claims description 3
- 238000009412 basement excavation Methods 0.000 claims description 3
- 238000010835 comparative analysis Methods 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000013461 design Methods 0.000 claims description 3
- 238000004088 simulation Methods 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 238000012360 testing method Methods 0.000 claims description 3
- 238000012546 transfer Methods 0.000 claims description 3
- 230000003245 working effect Effects 0.000 claims description 3
- 238000009430 construction management Methods 0.000 claims 1
- 230000000295 complement effect Effects 0.000 abstract description 3
- 230000008092 positive effect Effects 0.000 abstract description 3
- 230000006378 damage Effects 0.000 description 5
- 241000208340 Araliaceae Species 0.000 description 2
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 2
- 235000003140 Panax quinquefolius Nutrition 0.000 description 2
- 235000008434 ginseng Nutrition 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012669 compression test Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005065 mining Methods 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
- E21F17/185—Rock-pressure control devices with or without alarm devices; Alarm devices in case of roof subsidence
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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)
- Testing Or Calibration Of Command Recording Devices (AREA)
- Emergency Alarm Devices (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
Method for early warning is pressed the invention discloses a kind of stope of coal mines roadway bump, is included the following steps：Calculate the dynamic failure stress exponent of coal body；After radiofrequency launcher is installed in each need sensitive pressure sensor to be used, pore pressure gauge and roof dynamic monitor, it is installed on according to the threshold values and requirement of setting in tunnel, and sensor signal is connected by radiofrequency launcher with data collection processor；Three-dimensional generation module is set up, and data collection processor is connected with three-dimensional generation module.Redundancy between sensor and complementary information are combined by the present invention by rule, realize the monitoring to stope of coal mines roadway bump and send safety alarm, improve the work efficiency of manager, strengthen the security of roadway construction, early warning positive effect, and tunnel situation can be presented in face of staff by three-dimensional generation module, allow the situation of change in staff observation tunnel on the spot in person, further increase the effect of early warning.
Description
Technical field
The present invention relates to a kind of bump method for early warning, and in particular to a kind of stope of coal mines roadway bump Di Yayu police
Method.
Background technology
Bump is that a kind of elastic energy for being gathered due to coal and rock in mining work activities that underground coal mine occurs is unexpected
Discharge and cause coal and rock moment to be dished out, the roadway damage even dynamic disaster of casualties.Bump is coal body
In the external manifestation that stress concentration occurs to destroy suddenly to a certain extent afterwards, stress and its change to coal body be monitored be into
A kind of means of row bump early warning.
But for current conventional method for early warning since warning index selection is improper, early warning effect is unsatisfactory.
The content of the invention
To solve the above problems, method for early warning is pressed the present invention provides a kind of stope of coal mines roadway bump, by sensor
Between redundancy and complementary information be combined by rule, realize the monitoring to stope of coal mines roadway bump and send safe police
Report, improves the work efficiency of manager, strengthens the security of roadway construction, early warning positive effect, and can be generated by three-dimensional
Module, tunnel situation is presented in face of staff so that the observation and experience tunnel that staff can be on the spot in person
Situation of change, further increase the effect of early warning.
To achieve the above object, the technical solution taken of the present invention is：
Press method for early warning stope of coal mines roadway bump, include the following steps：
Step 1: carrying out coal body sample collection to intending early warning stope drift active workings, carrying out uniaxial compression to coal body sample destroys examination
Test, obtain the dynamic failure curve of coal body, calculate coal body dynamic failure stress exponent；The dynamic failure stress exponent of coal body
Refer in uniaxial compression test, the ultimate strength of coal and the ratio of the difference of residual strength and dynamic destruction time, unit is
MPa/ms, wherein, dynamic destruction time refers to the standard specimen of coal under uniaxial compressed state, is destroyed from ultimate strength to complete
The time undergone, the dynamic destruction time of coal body are an important indicators for characterizing its Burst Tendency, have burst trend
The dynamic destruction time of property coal body is generally lower than 500ms.
Step 2: installed in each need sensitive pressure sensor to be used, pore pressure gauge and roof dynamic monitor
Radiofrequency launcher；
Step 3: drilling into country rock, multigroup sensitive pressure sensor obtained by step 2 and pore pressure gauge are poured
Build in the borehole, the spacing between group and group is set to 30~50m according to stress distribution law, and every group is buried 3-5, spacing
The 1-3 sensitive pressure sensor and 1-3 pore pressure gauge of 0.4m-0.6m, every group of sensor is on different depth；Often
The roof dynamic monitor obtained by 12-23m one step 2 of arrangement is spaced, and sensor signal is adopted by radiofrequency launcher and data
Set processor is connected；
Step 4: three-dimensional generation module is set up, including 180 ° of three-dimensional column ring curtains, high performance graphics cluster servers and six
Group 3D projecting apparatus, towards six Channel Synchronous parallel image computings, covers various stope of coal mines tunnel situation map pictures, and gives in detail
Portray；
Step 5: data collection processor is connected with three-dimensional generation module, by data collection processor, will be gathered
To pressure value be converted into the data that three-dimensional generation module can identify, so as to be sent to three-dimensional generation module, three-dimensional generation
Module is used to receive the data that data collection processor is sent, and generates various simulation stope of coal mines tunnels scene.
Preferably, graphic plotting module is installed in the data collection processor, for the monitoring data according to input,
Generation shows the initial data of each monitoring point with time, the tense curve and three-dimensional effect curve of spatial variations, tense curve
Or transfer data change with time situation, three-dimensional effect curve highlights the monitoring result of same time different measuring points with excavation
The changing rule that face promotes.
Preferably, it is also equipped with the data collection processor
Computing module is returned, for carrying out recurrence calculating to measured data curve by different functions；
Forecast analysis module, for according to the comparative analysis with former measured curve, being predicted, judging top plate and tunnel knot
The stability and amendment design parameter of structure, guiding construction；
Tunnel health discrimination module, for the size according to pressure in monitoring data or top plate abnormal sudden change point according to construction
Managerial class provides solution；
Alarm module, for reaching the early warning ginseng of system setting when the pressure data and the sinking data of top plate that detect
During number, alarm.
The invention has the advantages that：
Redundancy between sensor and complementary information are combined by rule, realize the prison to stope of coal mines roadway bump
Safety alarm is surveyed and sent, improves the work efficiency of manager, strengthens the security of roadway construction, early warning positive effect, and can
By three-dimensional generation module, tunnel situation is presented in face of staff so that staff can be on the spot in person
The situation of change in tunnel is observed and experienced, further increases the effect of early warning.
Embodiment
In order to which objects and advantages of the present invention are more clearly understood, the present invention is carried out with reference to embodiments further
Describe in detail.It should be appreciated that specific embodiment described herein is not intended to limit the present invention only to explain the present invention.
Method for early warning is pressed an embodiment of the present invention provides a kind of stope of coal mines roadway bump, is included the following steps：
Step 1: carrying out coal body sample collection to intending early warning stope drift active workings, carrying out uniaxial compression to coal body sample destroys examination
Test, obtain the dynamic failure curve of coal body, calculate coal body dynamic failure stress exponent；
Step 2: installed in each need sensitive pressure sensor to be used, pore pressure gauge and roof dynamic monitor
Radiofrequency launcher；
Step 3: drilling into country rock, multigroup sensitive pressure sensor obtained by step 2 and pore pressure gauge are poured
Build in the borehole, the spacing between group and group is set to 30~50m according to stress distribution law, and every group is buried 3-5, spacing
The 1-3 sensitive pressure sensor and 1-3 pore pressure gauge of 0.4m-0.6m, every group of sensor is on different depth；Often
The roof dynamic monitor obtained by 12-23m one step 2 of arrangement is spaced, and sensor signal is adopted by radiofrequency launcher and data
Set processor is connected；
Step 4: three-dimensional generation module is set up, including 180 ° of three-dimensional column ring curtains, high performance graphics cluster servers and six
Group 3D projecting apparatus, towards six Channel Synchronous parallel image computings, covers various stope of coal mines tunnel situation map pictures, and gives in detail
Portray；
Step 5: data collection processor is connected with three-dimensional generation module, by data collection processor, will be gathered
To pressure value be converted into the data that three-dimensional generation module can identify, so as to be sent to three-dimensional generation module, three-dimensional generation
Module is used to receive the data that data collection processor is sent, and generates various simulation stope of coal mines tunnels scene.
Graphic plotting module is installed in the data collection processor, for the monitoring data according to input, generate with
Time, the tense curve and three-dimensional effect curve of spatial variations, tense curve show initial data or the transfer of each monitoring point
Data change with time situation, and the monitoring result that three-dimensional effect curve highlights same time different measuring points is promoted with excavation face
Changing rule.
Preferably, it is also equipped with the data collection processor
Computing module is returned, for carrying out recurrence calculating to measured data curve by different functions；
Forecast analysis module, for according to the comparative analysis with former measured curve, being predicted, judging top plate and tunnel knot
The stability and amendment design parameter of structure, guiding construction；
Tunnel health discrimination module, for the size according to pressure in monitoring data or top plate abnormal sudden change point according to construction
Managerial class provides solution；
Alarm module, for reaching the early warning ginseng of system setting when the pressure data and the sinking data of top plate that detect
During number, alarm.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the principle of the present invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (3)
1. press method for early warning, it is characterised in that include the following steps stope of coal mines roadway bump：
Step 1: carrying out coal body sample collection to intending early warning stope drift active workings, uniaxial compression failure test is carried out to coal body sample, is obtained
Coal body dynamic failure curve, calculate coal body dynamic failure stress exponent；
Step 2: radio frequency is installed in each need sensitive pressure sensor to be used, pore pressure gauge and roof dynamic monitor
Transmitter；
Step 3: drilling into country rock, multigroup sensitive pressure sensor obtained by step 2 and pore pressure gauge are cast in
In drilling, the spacing between group and group is set to 30~50m according to stress distribution law, and every group is buried 3-5, spacing 0.4m-
The 1-3 sensitive pressure sensor and 1-3 pore pressure gauge of 0.6m, every group of sensor is on different depth；At interval of
12-23m arranges the roof dynamic monitor obtained by a step 2, and sensor signal is passed through at radiofrequency launcher and data acquisition
Reason device is connected, i.e., the signal collected sensor is sent to data collection processor by radiofrequency launcher；
Step 4: three-dimensional generation module is set up, including 180 ° of three-dimensional column ring curtain, high performance graphics cluster server and six groups of 3D
Projecting apparatus, towards six Channel Synchronous parallel image computings, covers various stope of coal mines tunnel situation map pictures, and carve in detail
Draw；
Step 5: data collection processor is connected with three-dimensional generation module, by data collection processor, by what is collected
Pressure value is converted into the data that three-dimensional generation module can identify, so that three-dimensional generation module is sent to, three-dimensional generation module
The data sent for receiving data collection processor, and generate various simulation stope of coal mines tunnels scene；
There are forecast analysis module, tunnel health discrimination module and alarm module in the data collection processor；
Step 6, the forecast analysis module, for according to the comparative analysis with former measured curve, being predicted, judging top plate
With the stability and amendment design parameter of tunnel structure, guiding construction；
Step 7, the tunnel health discrimination module, for the size according to pressure in monitoring data or top plate abnormal sudden change point
Solution is provided according to construction management grade；
Step 8, the alarm module, for being answered when what the pressure data, the sinking data of top plate and the monitoring that detect obtained
Force data be calculated in real time coal body impact failure stress exponent reach system setting early-warning parameters when, alarm.
2. press method for early warning, it is characterised in that the data acquisition stope of coal mines roadway bump according to claim 1
Graphic plotting module is installed in processor, for the monitoring data according to input, is generated bent with the tense of time, spatial variations
Line and three-dimensional effect curve, tense curve show that the initial data of each monitoring point or transfer data change with time situation,
Three-dimensional effect curve highlights the changing rule that the monitoring result of same time different measuring points is promoted with excavation face.
3. press method for early warning, it is characterised in that the data acquisition stope of coal mines roadway bump according to claim 1
It is also equipped with returning computing module in processor, for carrying out recurrence calculating to measured data curve by different functions.
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| CN201610125561.3A CN105626151B (en) | 2016-02-28 | 2016-02-28 | Press method for early warning stope of coal mines roadway bump |
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| CN201610125561.3A CN105626151B (en) | 2016-02-28 | 2016-02-28 | Press method for early warning stope of coal mines roadway bump |
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| CN106202633B (en) * | 2016-06-24 | 2020-03-10 | 华东交通大学 | Rock burst prediction system and measurement method based on STM32F103 microprocessor |
| CN106285782B (en) * | 2016-08-30 | 2018-11-13 | 中国矿业大学(北京) | A kind of bump method for early warning under complicated geological environmental effect and system |
| CN106640194B (en) * | 2016-09-27 | 2019-02-22 | 西安科技大学 | A kind of compound coal rock gas dynamic disaster method for early warning |
| CN106437853B (en) * | 2016-09-27 | 2019-02-15 | 西安科技大学 | A kind of coal petrography bump dynamic disaster method for early warning |
| CN109359393B (en) * | 2018-10-22 | 2023-04-25 | 山西焦煤集团有限责任公司 | Mine four-quantity reasonable mining period determining method under uncertain information condition |
| CN110630330B (en) * | 2019-09-23 | 2021-01-05 | 辽宁工程技术大学 | Rock burst classification and judgment method based on energy release main body |
| CN110967466B (en) * | 2019-11-13 | 2022-05-17 | 鞍钢集团矿业有限公司 | Method for evaluating stability of goaf of stope |
| CN112483184A (en) * | 2020-12-18 | 2021-03-12 | 山东科技大学 | Prediction method for rock burst induced by working face lateral hard top plate |
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