CN105626070B - A kind of deep hole demolition uploading pressure Controlling of Coal Outburst method - Google Patents
A kind of deep hole demolition uploading pressure Controlling of Coal Outburst method Download PDFInfo
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- CN105626070B CN105626070B CN201510963761.1A CN201510963761A CN105626070B CN 105626070 B CN105626070 B CN 105626070B CN 201510963761 A CN201510963761 A CN 201510963761A CN 105626070 B CN105626070 B CN 105626070B
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- 239000003245 coal Substances 0.000 title claims abstract description 41
- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000005422 blasting Methods 0.000 claims abstract description 106
- 239000011435 rock Substances 0.000 claims abstract description 54
- 238000012544 monitoring process Methods 0.000 claims abstract description 49
- 239000002360 explosive Substances 0.000 claims abstract description 17
- 238000007789 sealing Methods 0.000 claims abstract description 10
- 239000000843 powder Substances 0.000 claims abstract description 8
- 230000000694 effects Effects 0.000 claims abstract description 7
- 238000001514 detection method Methods 0.000 claims abstract description 6
- 230000000977 initiatory effect Effects 0.000 claims abstract description 4
- 231100001261 hazardous Toxicity 0.000 claims abstract description 3
- 238000005553 drilling Methods 0.000 claims description 15
- 238000004880 explosion Methods 0.000 claims description 14
- 230000005670 electromagnetic radiation Effects 0.000 claims description 12
- 238000005065 mining Methods 0.000 claims description 6
- 230000005855 radiation Effects 0.000 claims description 4
- 230000005856 abnormality Effects 0.000 claims description 3
- 238000007747 plating Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 1
- 230000003628 erosive effect Effects 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000004458 analytical method Methods 0.000 abstract description 2
- 238000007689 inspection Methods 0.000 abstract description 2
- 230000002265 prevention Effects 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010835 comparative analysis Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C41/00—Methods of underground or surface mining; Layouts therefor
- E21C41/16—Methods of underground mining; Layouts therefor
- E21C41/18—Methods of underground mining; Layouts therefor for brown or hard coal
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/006—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries by making use of blasting methods
-
- 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)
- Environmental & Geological Engineering (AREA)
- Remote Sensing (AREA)
- Lining And Supports For Tunnels (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention provides a kind of deep hole demolition uploading pressure Controlling of Coal Outburst method, it is included in detection bump monitoring signals in the upper and lower tunnel of working face with bump danger coal seam, the pressure bump behavior aspect ratio pair occurred with normal value and adjacent area, Site Detection is carried out to hypocentral location and coal body coal powder quantity of bore, high stress-concentrated area is marked off, draws a circle to approve danger zone；Dug along upper tunnel to the danger zone center of bump and be oriented to relieving roadway, and unloading pressure by blasting hole is drilled through along roof rock and floor rocks direction being oriented to relieving roadway, after explosive is installed, with yellow mud sealing of hole, safe initiation in the guiding relieving roadway outside unloading pressure by blasting hole；After unloading pressure by blasting solution danger is implemented in bump hazardous area, during by release effect analysis and inspection, not up to examination criteria, then secondary solution danger is carried out using same method, until up to standard.Prevention and controls provided by the invention, the effect of release solution danger can be improved, reduce the dangerous cost with erosion control of bump, it is ensured that Safety of Coal Mine Production.
Description
Technical field
The present invention relates to the local solution danger that bump in coal mine underground recovery process is dangerous, and in particular to a kind of deep hole
Unloading pressure by blasting Controlling of Coal Outburst method.
Background technology
Bump is the world-class sciences problems of coal mine underground engineering and rock mechanics field, and serious threat mine peace
Full production.During China's coal-mine Controlling of Coal Outburst, perform prediction, preventing and treating, inspection and security protection " quaternity "
Comprehensive erosion control measure, danger forecasting are premises, and preventing and treating is crucial.The dangerous preventing and treating of Rock Burst includes regional anti-
Two aspects of imperial and local solution danger, are endangered by exploiting the solutions such as protective layer, reasonable Arrangement limit of mining, relieving shot, water filling release
Measure, bump energy is discharged in advance, high concentrated stress is shifted, reduces the danger of bump, avoid bump
Occur.But due to being influenceed by factors such as geology, environment and mining conditions, some danger releasing measures are poor for applicability, solution danger effect is not
Ideal, it is extremely difficult to reduce dangerous purpose.Mistaken ideas on concept, such as a work are deposited in Rock Burst preventing and treating simultaneously
Make face to press overbump occurs, then just carry out whole working face solution danger, lack of targeted, make the added cost of erosion control.And
The main energy sources that bump occurs are in country rock and coal body, and energy that wherein country rock provides accounts for 95%, and tight roof
Country rock provides main energetic for bump.It can be seen that Rock Burst does not reach fundamentally also in improvement
To the degree effectively controlled, it is necessary to which bump release danger releasing measures are further improved and innovated.
The content of the invention
The purpose of the present invention is to be directed in current Controlling of Coal Outburst deficiency existing for local solution danger method, is proposed a kind of deep
Hole unloading pressure by blasting Controlling of Coal Outburst method, the effect of release solution danger can be improved, reduce that bump is dangerous and erosion control into
This, it is ensured that Safety of Coal Mine Production.
Therefore, the invention provides a kind of deep hole demolition uploading pressure Controlling of Coal Outburst method, comprise the following steps,
S1：The determination of bump danger zone
Bump monitoring signals are detected in the upper and lower tunnel of working face with bump danger coal seam, and just
The pressure bump behavior feature that normal monitor value and adjacent area occur is compared, and the hypocentral location of bump accurately determine
Position, Site Detection is carried out to the coal body coal powder quantity of bore for monitoring exceptions area, high stress-concentrated area is marked off, draws a circle to approve the danger of bump
Region；
S2：Digging is oriented to relieving roadway
In the danger zone of the bump of delineation, opened along upper tunnel or lower tunnel to the danger zone center of bump
Dig the guiding relieving roadway for drilling through danger zone roof rock from unloading pressure by blasting hole to the bump and floor rocks；
S3：Roof rock and floor rocks relieving shot
Unloading pressure by blasting hole, the roof rock are drilled through in the guiding relieving roadway to roof rock and floor rocks respectively
On the hole depth in unloading pressure by blasting hole that drills through be 3~5 times of the guiding relieving roadway head-room, drilled through in the floor rocks
The hole depth in unloading pressure by blasting hole is be oriented to relieving roadway head-room 0.8~1.2 times, and explosive is installed in the unloading pressure by blasting hole
Afterwards, with yellow mud sealing of hole, safe initiation in the upper and lower tunnel outside pressure relief vent；
S4：Release validity check after explosion
After unloading pressure by blasting solution danger is implemented in bump hazardous area, by monitoring and analyzing the upper and lower tunnel after explosion again
In bump monitoring signals, release validity check is carried out to the danger zone of the bump, recovered or less than normal
Value can carry out mining operations, not up to examination criteria, then carry out secondary solution danger using same method, and carry out release again
Validity check, successively repeatedly, until up to standard.
In S1, micro seismic monitoring alignment system, electromagnetic radiation monitoring system and drilling hole stress are set in the upper and lower tunnel
Monitoring system, the micro seismic monitoring alignment system include the vibration pickup set in upper and lower tunnel every 180m~220m, pass through institute
State vibration pickup real time on-line monitoring, the record energy rank big energy microseismic event number suitable with adjacent area bump event and
The energy size of release, impact ground intermediate pressure section is accurately positioned；
It is 0.8m~1.0m to drill through hole depth every 12m~15m in upper and lower tunnel, and hole internal diameter is 100mm~120mm spy
Gaging hole, the electromagnetic radiation monitoring system include the KBD-5 electromagnetic radiation instrument being arranged in the exploration hole, the KBD-5 electricity
Every monitoring 100s~150s of magnetic radiation instrument, is monitored once, monitoring and warning radiation intensity >=65mv daily, and pulse maximum >=
70HZ bump monitoring signals, impact ground intermediate pressure section is analyzed；
The drilling hole stress monitoring system includes the drilling hole stress sensor installed in upper and lower tunnel every 30m~45m,
By the drilling hole stress sensor real time on-line monitoring, confirm stress abnormality region, draw a circle to approve high stress-concentrated area.
In S2, the side nearer along the danger zone in upper tunnel or lower tunnel middle-range bump, to the danger of bump
Dangerous regional center digs the guiding relieving roadway, and the guiding relieving roadway is closely vertically arranged with the upper and lower tunnel, the guiding
The cross-sectional area of relieving roadway is 7-9m2, lane is high same or like with the lane height in the upper tunnel or lower tunnel.
It is 15m~25m that the guiding relieving roadway inside ceiling panel country rock, which sets 3 hole depths, and internal diameter is 60mm~80mm explosion
Pressure relief vent, wherein, No. 1 unloading pressure by blasting hole is set perpendicular to roof rock, and the bottom hole in No. 1 unloading pressure by blasting hole also extends brill one
Hole depth 4m~6m, diameter 30mm~35mm stress are oriented to transfer hole, are set and 1 in the upper corner both sides of the guiding relieving roadway
Number unloading pressure by blasting hole in 45 °~60 ° angles No. 2 unloading pressure by blasting holes and No. 3 unloading pressure by blasting holes.
The guiding relieving roadway inner bottom plating country rock arranges that 3 hole depths are 4m~6m, and internal diameter is that 60mm~80mm explosion is unloaded
Hole is pressed, wherein, No. 4 unloading pressure by blasting holes are set perpendicular to floor rocks；Set and 4 in the upper corner both sides of the guiding relieving roadway
Number unloading pressure by blasting hole in 45 °~60 ° angles No. 5 unloading pressure by blasting holes and No. 6 unloading pressure by blasting holes.
Positive powder charge, setting detonator in hole respectively in the hole in described No. 1-No. 6 unloading pressure by blasting holes, and with yellow mud mouth sealing of hole,
Detonator series connection in described No. 1-No. 3 unloading pressure by blasting holes for being oriented to relieving roadway inside ceiling panel country rock and setting, and extend in tunnel,
Detonator series connection in described No. 4-No. 6 unloading pressure by blasting holes for being oriented to relieving roadway inner bottom plating country rock and setting, and extend in lower tunnel.
Preferably, explosive payload 10kg~18kg in the hole of No. 1-No. 3 unloading pressure by blasting hole, the yellow mud sealed borehole length are
5m~7m；
Explosive payload 3kg~10kg in the hole of No. 4-No. 6 unloading pressure by blasting holes, the yellow mud sealed borehole length be 1.5m~
3m。
In S4, after the danger zone implementation unloading pressure by blasting solution danger of the bump, by monitoring, detecting and dividing again
Analysis, it is such as not yet up to standard, when need to carry out secondary solution danger, then reset unloading pressure by blasting hole and carry out secondary blasting.
In S4, during secondary blasting, the internal diameter of set secondary blasting pressure relief vent is constant, and depth is in first blasting pressure relief vent
Depth on the basis of increase 5%-20%, the explosive charge of secondary blasting and be further added by 5%- on the basis of first blasting explosive charge
20%.
Deep hole demolition uploading pressure Controlling of Coal Outburst method provided by the invention, solve and danger is solved in conventional Controlling of Coal Outburst
The problems such as measure is poor for applicability, lack of targeted, and erosion control cost is high, solution danger is ineffective；Pass through microseism, electromagnetic radiation, stress
Monitoring is accurately positioned with reference to drilling cuttings method to bump focus and danger zone, the preventing and treating of bump is shot the arrow at the target；Pass through
Implement deephole bench blasting in the centre pilot relieving roadway of bump danger zone, concentrated stress is shifted to deep, country rock
Energy obtains abundant release in advance, reduces bump danger；By to the validity check after unloading pressure by blasting, it is ensured that unload
Pressure solution danger produces a desired effect, and avoids causing danger for bump, ensure that mine safety production.
Brief description of the drawings
Fig. 1 is the vertical view signal of the bump danger zone provided in an embodiment of the present invention for being provided with and being oriented to relieving roadway
Figure；
Fig. 2 is roof rock unloading pressure by blasting hole arrangement schematic diagram in guiding relieving roadway provided in an embodiment of the present invention；
Fig. 3 is guiding relieving roadway bottom plate country rock unloading pressure by blasting hole arrangement schematic diagram provided in an embodiment of the present invention；
Embodiment
In order that those skilled in the art more fully understand that technical scheme can be practiced, below in conjunction with the accompanying drawings
The invention will be further described with specific embodiment, but illustrated embodiment is not as a limitation of the invention.
The invention provides a kind of deephole bench blasting Controlling of Coal Outburst method, including step is implemented as follows：Impact ground
Press the determination of danger zone 3；Set in bump danger zone 3 and be oriented to relieving roadway 4；Relieving roadway 4 is being oriented to along roof rock
Unloading pressure by blasting hole is set respectively with floor rocks, carries out unloading pressure by blasting；Release effect is detected, need to be according to first if unqualified
Pressure relief method resets unloading pressure by blasting hole, carries out unloading pressure by blasting.
Specifically, deephole bench blasting Controlling of Coal Outburst method is, after working face forms mining system, with punching
Press with hitting in the upper and lower tunnel of working face in dangerous coal seam and micro seismic monitoring alignment system, electromagnetic radiation monitoring system are set respectively
Bump monitoring signals are detected with drilling hole stress monitoring system, the micro seismic monitoring alignment system includes upper tunnel 1 with
The vibration pickup set in tunnel 2 every 200m, by the vibration pickup real time on-line monitoring, record energy rank is impacted with adjacent area
The suitable big energy microseismic event number of ground pressure event and the energy size of release, are accurately positioned to impact ground intermediate pressure section；
It is 1m that the electromagnetic radiation monitoring system, which includes upper tunnel 1 and lower tunnel 2 every the 15m hole depths drilled through, and hole internal diameter is 100mm's
Exploration hole, KBD-5 electromagnetic radiation instrument, described every monitoring 120s of KBD-5 electromagnetic radiation instrument, per heavenly prison or jail are set in the exploration hole
Survey once, monitoring and warning radiation intensity >=65mv, pulse maximum >=70HZ bump monitoring signals, to impact ground nip
Analyzed in domain；The drilling hole stress monitoring system includes the drilling hole stress sensing that upper tunnel 1 and lower tunnel 2 are installed every 40m
Device, by the drilling hole stress sensor real time on-line monitoring, confirm stress abnormality region, draw a circle to approve high stress-concentrated area with it is normal
The pressure bump behavior feature that monitor value and adjacent area occur is compared, and the hypocentral location of bump is accurately positioned,
Site Detection result is carried out with reference to the coal body coal powder quantity of bore for monitoring exceptions area, high stress-concentrated area is marked off, draws a circle to approve bump
Danger zone 3；
In the danger zone 3 of the bump of delineation, along upper tunnel 1 or lower tunnel 2 into the danger zone 3 of bump
The heart digs the guiding release for drilling through danger zone roof rock from unloading pressure by blasting hole to the bump and floor rocks
Lane 4；Specifically, above-mentioned guiding relieving roadway 4 is along the nearer side in the danger zone 3 of upper tunnel 1 and lower tunnel 2 away from bump,
Dug to the center of danger zone 3 of bump.Above-mentioned guiding relieving roadway 4 is closely arranged vertically with upper tunnel 1 and lower tunnel 2, is led
It is 7-9m to the cross-sectional area of relieving roadway 42, to meet that personnel are advisable in dangerous district center construction country rock unloading pressure by blasting hole, lane is high
It is same or like with the lane height in upper and lower tunnel 1,2.
Then be oriented in relieving roadway 4 respectively to the roof rocks being made up of false roof 61, directly top 62 and old top 63 and by
The floor rocks that pseudo- bottom 71, direct bottom 72 and past 73 form drill through unloading pressure by blasting hole, specifically as Figure 2-3, the top plate
Country rock unloading pressure by blasting hole hole depth is 3~5 times of the head-room of the guiding relieving roadway 4, is drilled through in the floor rocks quick-fried
The hole depth of broken pressure relief vent is be oriented to relieving roadway head-room 0.8~1.2 times, and explosive is installed in the unloading pressure by blasting hole
Afterwards, with yellow mud sealing of hole, safe initiation in the upper and lower tunnel 1,2 outside pressure relief vent.
Implement after unloading pressure by blasting solution is endangered, it is necessary to enter again to the danger zone 3 of the bump bump danger zone 3
Row detection, by detecting bump monitoring signals before comparative analysis explosion and after explosion in upper and lower tunnel 1,2, and it is being oriented to
The coal powder quantity of bore in coal seam is tested in relieving roadway 4, recovers or less than normal value, is defined as that mining operations can be carried out；If not
Reach examination criteria, then need to carry out secondary solution danger using same method, reset unloading pressure by blasting hole and carry out secondary blasting, two
During separate explosion, the unloading pressure by blasting hole depth of set unloading pressure by blasting hole and first blasting setting needs to increase 5%-20%, quick-fried
Broken explosive charge needs to be further added by 5%-20%, and carries out release validity check again, successively repeatedly, until it is up to standard, until
Untill monitor value drops to normal value, the top view provided by the invention for being provided with the bump danger zone 3 for being oriented to relieving roadway 4
As shown in Figure 1.
Specifically, 3 unloading pressure by blasting holes are drilled through to roof rock and floor rocks respectively being oriented in relieving roadway 4, it is described
The hole depth in the 3 unloading pressure by blasting holes set on roof rock is 25m, internal diameter 75mm, wherein, it is first at roof rock center
Construction drills through a No. 1 unloading pressure by blasting hole 51, and No. 1 unloading pressure by blasting hole 51 is set approximately perpendicular to roof rock, and No. 1 explosion
The bottom hole of pressure relief vent 51, which also extends, bores a hole depth 5m, and diameter 32mm stress is oriented to transfer hole 57, in the guiding relieving roadway 4
Upper corner both sides set No. 2 unloading pressure by blasting holes 52 and No. 3 unloading pressure by blasting holes 53 in 60 ° of angles with No. 1 unloading pressure by blasting hole 51.
The hole depth in the 3 unloading pressure by blasting holes set in the floor rocks is 5m, internal diameter 75mm, wherein, in bottom plate
First constructed at country rock center and drill through a No. 4 unloading pressure by blasting holes 54, No. 4 unloading pressure by blasting holes are set approximately perpendicular to floor rocks
Put, No. 5 unloading pressure by blasting holes with No. 4 unloading pressure by blasting holes 54 in 60 ° of angles are set in the upper corner both sides of the guiding relieving roadway 4
55 and No. 6 unloading pressure by blasting holes 56.
After the completion of the arrangement of the unloading pressure by blasting hole, positive powder charge and set respectively into the hole in No. 1-No. 6 unloading pressure by blasting holes
Detonator, wherein explosive payload is 10kg in No. 1-No. 3 unloading pressure by blasting holes, and the yellow mud sealing of hole for being 5m with length；No. 4-No. 6 explosions
Explosive payload is 8kg in pressure relief vent, and the yellow mud sealing of hole for being 2m with length.It is described to be oriented to the 1 of the setting of the inside ceiling panel country rock of relieving roadway 4
Detonator series connection in number-No. 3 unloading pressure by blasting holes, and extend in tunnel 1 or lower tunnel 2, the guiding relieving roadway inside ceiling panel
Detonator series connection in No. 4-No. 6 unloading pressure by blasting holes that country rock is set, and extend in tunnel 1 or lower tunnel 2, it can rise simultaneously
It is quick-fried.
After unloading pressure by blasting solution danger is implemented in the danger zone 3 of the bump, the weight in the upper and lower tunnel 1,2 of working face
New monitoring bump monitoring signals, if not yet up to standard when need to carry out secondary solution danger, reset unloading pressure by blasting hole and carry out two
Separate explosion.Specifically, during secondary blasting, No. 1-No. 3 unloading pressure by blasting hole internal diameters of set secondary blasting pressure relief vent are 75mm,
Hole depth is 27.5m, and explosive payload is 12kg in hole, and the yellow mud sealing of hole for being 6m with length, wherein, No. 1 unloading pressure by blasting hole 51
The stress of bottom hole extension is oriented to the hole depth 5.5m, diameter 32mm in transfer hole 57；No. 4-No. 6 unloading pressure by blasting hole internal diameters are 75mm, hole
Depth is 5.5m, and explosive payload is 9kg in hole, and the yellow mud sealing of hole for being 2.5m with length.
Embodiment described above is only the preferred embodiment to absolutely prove the present invention and being lifted, and its protection domain is unlimited
In this.The equivalent substitute or conversion that those skilled in the art are made on the basis of the present invention, the protection in the present invention
Within the scope of, protection scope of the present invention is defined by claims.
Claims (10)
- A kind of 1. deep hole demolition uploading pressure Controlling of Coal Outburst method, it is characterised in that comprise the following steps,S1：The determination of bump danger zoneBump monitoring signals are detected in the upper and lower tunnel of working face with bump danger coal seam, with normal prison The pressure bump behavior feature that measured value and adjacent area occur is compared, and the hypocentral location of bump is accurately positioned, right The coal body coal powder quantity of bore for monitoring exceptions area carries out Site Detection, marks off high stress-concentrated area, draws a circle to approve the danger zone of bump；S2：Digging is oriented to relieving roadwayIn the danger zone of the bump of delineation, dig and use along upper tunnel or lower tunnel to the danger zone center of bump In the guiding relieving roadway that unloading pressure by blasting hole is drilled through to the danger zone roof rock and floor rocks of the bump；S3：Roof rock and floor rocks relieving shotUnloading pressure by blasting hole is drilled through to roof rock and floor rocks respectively in the guiding relieving roadway, is bored on the roof rock The hole depth in the unloading pressure by blasting hole taken is the guiding 3~5 times of relieving roadway head-room, the explosion drilled through in the floor rocks The hole depth of pressure relief vent is be oriented to relieving roadway head-room 0.8~1.2 times, after explosive is installed in the unloading pressure by blasting hole, With yellow mud sealing of hole, the safe initiation in the upper and lower tunnel being oriented to outside relieving roadway；S4：Release validity check after explosionAfter unloading pressure by blasting solution danger is implemented in bump hazardous area, by monitoring and analyzing again in the upper and lower tunnel after explosion Bump monitoring signals, release validity check is carried out to the danger zone of the bump, recovered or can less than normal value To carry out mining operations, not up to examination criteria, then secondary solution danger is carried out using same method, and carry out release effect again Examine, successively repeatedly, until up to standard.
- 2. deep hole demolition uploading pressure Controlling of Coal Outburst method according to claim 1, it is characterised in that in S1, described Micro seismic monitoring alignment system, electromagnetic radiation monitoring system and drilling hole stress monitoring system, the microseism prison are set in upper and lower tunnel The vibration pickup that alignment system includes setting every 180m~220m in upper and lower tunnel is surveyed, is supervised by the vibration pickup real-time online Survey, the energy size of the record energy rank big energy microseismic event number suitable with adjacent area bump event and release is right Bump region is accurately positioned；It is 0.8m~1.0m to drill through hole depth every 12m~15m in upper and lower tunnel, and hole internal diameter is 100mm~120mm exploration hole, The electromagnetic radiation monitoring system includes the KBD-5 electromagnetic radiation instrument being arranged in the exploration hole, the KBD-5 electromagnetic radiation Every monitoring 100s~150s of instrument, once, monitoring and warning radiation intensity >=65mv, pulse maximum >=70HZ's rushes for monitoring daily Ground pressure monitoring signal is hit, impact ground intermediate pressure section is analyzed；The drilling hole stress monitoring system includes every the drilling hole stress sensor of 30m~45m installations passing through in upper and lower tunnel The drilling hole stress sensor real time on-line monitoring, confirm stress abnormality region, draw a circle to approve high stress-concentrated area.
- 3. deep hole demolition uploading pressure Controlling of Coal Outburst method according to claim 1, it is characterised in that in S2, along upper lane The nearer side in the danger zone of road or lower tunnel middle-range bump, led to described in the danger zone center digging of bump To relieving roadway, the guiding relieving roadway is closely vertically arranged with the upper and lower tunnel, and the cross-sectional area for being oriented to relieving roadway is 7- 9m2, lane is high same or like with the lane height in the upper tunnel or lower tunnel.
- 4. the deep hole demolition uploading pressure Controlling of Coal Outburst method according to claim 1 or 3, it is characterised in that the guiding It is 15m~25m that relieving roadway inside ceiling panel country rock, which sets 3 hole depths, and internal diameter is 60mm~80mm unloading pressure by blasting hole, wherein, No. 1 is quick-fried Broken pressure relief vent is set perpendicular to roof rock, and the bottom hole in No. 1 unloading pressure by blasting hole, which also extends, bores a hole depth 4m~6m, diameter 30mm~35mm stress is oriented to transfer hole, is in No. 1 unloading pressure by blasting hole in the upper corner both sides setting of the guiding relieving roadway No. 2 unloading pressure by blasting holes and No. 3 unloading pressure by blasting holes of 45 °~60 ° angles.
- 5. deep hole demolition uploading pressure Controlling of Coal Outburst method according to claim 4, it is characterised in that the guiding release Lane inner bottom plating country rock arranges that 3 hole depths are 4m~6m, and internal diameter is 60mm~80mm unloading pressure by blasting hole, wherein, No. 4 unloading pressure by blasting Hole is set perpendicular to floor rocks；Set in the upper corner both sides of the guiding relieving roadway with No. 4 unloading pressure by blasting holes in 45 °~ No. 5 unloading pressure by blasting holes and No. 6 unloading pressure by blasting holes of 60 ° of angles.
- A kind of 6. deep hole demolition uploading pressure Controlling of Coal Outburst method according to claim 5, it is characterised in that described No. 1- In the hole in No. 6 unloading pressure by blasting holes respectively positive powder charge, detonator is set in hole, it is described to be oriented in relieving roadway and with yellow mud mouth sealing of hole Detonator series connection in No. 1-No. 3 unloading pressure by blasting holes that roof rock is set, and extend in tunnel, in the guiding relieving roadway Detonator series connection in No. 4-No. 6 unloading pressure by blasting holes that floor rocks are set, and extend in lower tunnel.
- A kind of 7. deep hole demolition uploading pressure Controlling of Coal Outburst method according to claim 6, it is characterised in that described No. 1- Explosive payload 10kg~18kg in the hole of No. 3 unloading pressure by blasting holes, the yellow mud sealed borehole length are 5m~7m.
- A kind of 8. deep hole demolition uploading pressure Controlling of Coal Outburst method according to claim 6, it is characterised in that described No. 4- Explosive payload 3kg~10kg in the hole of No. 6 unloading pressure by blasting holes, the yellow mud sealed borehole length are 1.5m~3m.
- A kind of 9. deep hole demolition uploading pressure Controlling of Coal Outburst method according to claim 1, it is characterised in that in S4, institute It is not yet up to standard by monitoring and analyzing again after the danger zone implementation unloading pressure by blasting solution danger for stating bump, it need to carry out secondary During solution danger, then reset unloading pressure by blasting hole and carry out secondary blasting.
- A kind of 10. deep hole demolition uploading pressure Controlling of Coal Outburst method according to claim 9, it is characterised in that in S4, two During separate explosion, the internal diameter of set secondary blasting pressure relief vent is constant, and depth increases on the basis of the hole depth of first blasting pressure relief vent Add 5%-20%, the explosive charge of secondary blasting and be further added by 5%-20% on the basis of first blasting explosive charge.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510963761.1A CN105626070B (en) | 2015-12-14 | 2015-12-14 | A kind of deep hole demolition uploading pressure Controlling of Coal Outburst method |
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| CN201510963761.1A CN105626070B (en) | 2015-12-14 | 2015-12-14 | A kind of deep hole demolition uploading pressure Controlling of Coal Outburst method |
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| CN105626070A CN105626070A (en) | 2016-06-01 |
| CN105626070B true CN105626070B (en) | 2018-01-16 |
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| CN108895935A (en) * | 2018-07-27 | 2018-11-27 | 中国矿业大学 | A kind of coal working face deep hole blasting method |
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| CN111894586A (en) * | 2020-07-16 | 2020-11-06 | 山东华坤地质工程有限公司 | Rock burst treatment method |
| CN111985101A (en) * | 2020-08-19 | 2020-11-24 | 龙口矿业集团有限公司 | Deep well impact dangerous roadway branch unloading coupling scour prevention method |
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| CN113803067B (en) * | 2021-08-13 | 2024-01-23 | 山东省煤田地质规划勘察研究院 | Colliery local rock burst prevention and cure device |
| CN113898407B (en) * | 2021-09-30 | 2023-01-10 | 鄂尔多斯市伊化矿业资源有限责任公司 | Method for eliminating deep hole explosion cracking danger of impact danger zone by high-position overlying rock stress source |
| CN114087018B (en) * | 2021-11-17 | 2023-03-24 | 中国矿业大学 | Large-diameter pressure relief drilling hole accurate pressure relief method based on stress sensing |
| CN114165283A (en) * | 2021-11-25 | 2022-03-11 | 中煤科工开采研究院有限公司 | Method for determining safety coefficient of rock burst roadway support system |
| CN115096155B (en) * | 2022-07-05 | 2023-06-02 | 陕西正通煤业有限责任公司 | Method for determining explosive loading capacity of deep blasting of rock burst mine roof |
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| CN101936162B (en) * | 2010-04-16 | 2012-04-18 | 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 |
| CN102296958A (en) * | 2011-07-22 | 2011-12-28 | 山东科技大学 | Method for preventing rock burst by artificial space defect body |
| CN102425416B (en) * | 2011-09-12 | 2013-09-25 | 山东科技大学 | Coal mine high stress area roadway driving face impact ground pressure control method |
| CN102678120B (en) * | 2012-05-18 | 2014-02-05 | 河南大有能源股份有限公司 | Method for releasing pressure and removing danger of rock burst |
| CN102644482B (en) * | 2012-05-18 | 2014-04-02 | 河南大有能源股份有限公司 | Rock burst predicting and warning method |
| CN103397883B (en) * | 2013-08-21 | 2016-01-20 | 大同煤矿集团有限责任公司 | Mutil-coal seam mining Rock Burst method for integrated control |
| CN104832163B (en) * | 2015-05-20 | 2017-05-31 | 辽宁工程技术大学 | The dangerous monitoring method of bump in a kind of coal mine underground exploitation |
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