CN107227976B - A kind of underground pressure management method suitable for underground mine deep mining - Google Patents
A kind of underground pressure management method suitable for underground mine deep mining Download PDFInfo
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- CN107227976B CN107227976B CN201710430600.5A CN201710430600A CN107227976B CN 107227976 B CN107227976 B CN 107227976B CN 201710430600 A CN201710430600 A CN 201710430600A CN 107227976 B CN107227976 B CN 107227976B
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- 238000005065 mining Methods 0.000 title claims abstract description 43
- 238000007726 management method Methods 0.000 title claims abstract description 32
- 239000011435 rock Substances 0.000 claims abstract description 52
- 238000004519 manufacturing process Methods 0.000 claims abstract description 29
- 230000008093 supporting effect Effects 0.000 claims abstract description 15
- 230000002787 reinforcement Effects 0.000 claims abstract description 13
- 238000012546 transfer Methods 0.000 claims abstract description 12
- 238000011160 research Methods 0.000 claims abstract description 8
- 238000005520 cutting process Methods 0.000 claims abstract description 7
- 238000002271 resection Methods 0.000 claims abstract description 7
- 230000003245 working effect Effects 0.000 claims abstract description 6
- 239000011248 coating agent Substances 0.000 claims abstract description 5
- 238000000576 coating method Methods 0.000 claims abstract description 5
- 238000006073 displacement reaction Methods 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 26
- 238000004458 analytical method Methods 0.000 claims description 8
- 238000005516 engineering process Methods 0.000 claims description 6
- 230000006698 induction Effects 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 4
- 238000004088 simulation Methods 0.000 claims description 4
- 238000012360 testing method Methods 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 3
- 239000004567 concrete Substances 0.000 claims description 3
- 239000011378 shotcrete Substances 0.000 claims description 3
- 238000007569 slipcasting Methods 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 239000002699 waste material Substances 0.000 claims description 3
- 238000011835 investigation Methods 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 7
- 238000005422 blasting Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 description 3
- 239000011707 mineral Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 208000036366 Sensation of pressure Diseases 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000005548 health behavior Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Abstract
The invention discloses a kind of underground pressure management methods suitable for underground mine deep mining, using step: 1) research discloses regularity of ground pressure occurrence, obtains the intracorporal stress of Underground rock and increases area, stress relaxed area, Tension Stress Zone, Rock Displacement Movement angle；2) stress in exploiting field is guided to be shifted by the way of horizontal resection lane, vertical cutting groove in Underground rock mass；3) avalanche of exploiting field high stress is utilized, the impact Hidden hazrads that goaf top plate upper stress is concentrated, coating needed for being formed simultaneously back production are eliminated；4) supporting is carried out to stope drift active workings using modes such as internal reinforcement, external supportings.The present invention is directed to rock mass engineering project characteristic, to adjust rock mass stress state, press as core concept to comprehensive utilization, the ground for realizing " research the law of ground pressure (Study)-guidance ground pressure transfer (Transter)-shows (Control) using ground pressure avalanche (Use)-control ground pressure " presses state circulation management, greatly improve efficiency, effective guarantee safety.
Description
Technical field
The present invention relates to a kind of rock mass engineering project underground pressure management methods, ground pressure pipe when more particularly, to underground mine deep mining
Reason, can be widely applied to the rock mass underground engineerings such as mine, tunnel cave, subway.
Background technique
In the underground mining of mineral deposit, stope ground pressure management is one of production technology.The purpose is to prevent exploitation working space
The country rock work safety out of control that big movement occurs and threatens personnel.There is stope ground pressure management method during correct selection back production
Very important meaning.
Mine down-hole rock mass subject the effect of the weight and other power of overlying rock before not excavating and is in flat
Weighing apparatus state, referred to as primitive stress equilibrium state.Once after ore-rock body is excavated or it nearby has excavation project, primitive stress
Equilibrium state is just destroyed, and the stress in ore-rock body will redistribute to reach new balance, in the process, secondary to answer
The field of force can form region of stress concentration and stress relaxed area excavating during quadratic distribution in the certain area around range
Domain moves the rock mass around tunnel or stope, deformation and failure, influences the stability of the underground engineerings such as stope,
This phenomenon, which referred to as is pressed, to be shown.Press that show be the major safety problems faced in the underground mining of mineral deposit thisly.Therefore,
Disclosing Ground pressure activity rule, managing ground pressure to show is the basis for realizing Mine Safety in Production.
The presence of ground pressure, become difficult mining activity, must in order to guarantee that safety in production and actual mining are gone on smoothly
Press harm measure with being reduced or avoided must be taken, or is actively exploited using ground pressure, this work is exactly underground pressure management.
In " Stability Analysis of Goaf based on FLAC3D program " text that " metal mine " the 2nd phase in 2007 delivers,
Numerical analysis has been carried out by goaf stability of the FLAC3D program to certain gold mine, has obtained the regularity of distribution of ess-strain,
It is proposed that Numerical Simulation Program can provide scientific basis in the stability analysis of rock mass." Northeastern University's journal (natural science edition) "
In " open air trestle transitional period rock moves Risk health behavior method " text of the curly hair table of 3rd phase the 36th in 2015, describes and pass through control
What side slope processed slid direction to reduce that outdoor underground produces simultaneously interferes with each other, and proposes a kind of control rock and moves the side endangered
Method；In " Jiangxi Coal science and technology " the 2nd phase in 2016 " application study of Relieving Shot prevention and treatment impulsion pressure " text, describe
Deephole bench blasting parameter and blasting technology, and relieving shot effect is monitored using electromagnetic radiation method, propose one
The method that kind prevents and treats impulsion pressure using Relieving Shot；" Chinese Journal of Rock Mechanics and Engineering " o. 11th the 34th in 2015 is permed
In " deep rock mass mechanics study and exploration " text of table, domestic and international deep coalmine, deep metallic ore, profound underground work are described
The deep rock mass mechanics engineering development situation of journey proposes and analyzes some critical issues that deep rock mass mechanics needs to solve.
Although document above and existing other achievements propose some analysis the law of ground pressure, press to control and Depressurized mining
Certain methods, but these underground pressure management modes obviously lack systematicness and dynamic, and it is solid not fully demonstrate rock mass in rock mass engineering project
The complexity of stress field dynamic change in some particularity and digging process.
Summary of the invention
The purpose of the present invention is to the above-mentioned problems in the prior art, and provide one kind and can be improved back production effect
The underground pressure management method suitable for underground mine deep mining that can, ensure back production safety, reduce cost of winning.
Above-mentioned purpose to realize the present invention, a kind of underground pressure management method suitable for underground mine deep mining of the present invention,
For the rock mass engineering characteristic such as mining, mining technology is sufficiently combined, back production efficiency is improved, ensures back production safety, reduces and open
Cost is adopted, by analytically pressing (S), the circulation pattern for shifting ground pressure (T), ground pressure (U), control ground being utilized to press (C) to realize ground pressure
Management.It is specific to be implemented using following steps circulation until the back production in entire mining area terminates:
1) research discloses regularity of ground pressure occurrence (Study)
Pass through investigation geologic information, the test stress of primary rock, test ore-rock mechanics parameter, reduction mechanics parameter, building mechanics
Model, descending mining planning, mining methods in combination and on the basis of production practice, using numerical simulation, analog simulation,
The method of theory analysis, field monitoring, engineering analogy, the analysis each step of Underground rock mass excavate the ground during forming goaf
Pressure shows --- and tunnel collapses, roof collapse, strata movement, surface subsidence, obtains the intracorporal stress of Underground rock and increases area, answers
Power reduces area, Tension Stress Zone, Rock Displacement Movement angle, provides theoretical foundation for underground pressure management.
2) transfer (Transter) is pressed with guiding exploiting field
According to the 1) regularity of ground pressure occurrence that step discloses used in Underground rock mass in conjunction with production practice, mining sequence
The mode of horizontal resection lane, vertical cutting groove, drilling presplitting etc. guides the stress in exploiting field (stope, tunnel or chamber etc.) to carry out
Transfer, redistribution forms new stress and increases area, new stress relaxed area, while arranging back production in new stress relaxed area
Tunnel reduces the edge stress such as roadway, chamber engineering so as to improve the stress distribution of ore-rock body in exploiting field, is that ore body is high
Effect exploitation reconstruction environment.
1., by vertically cutting, exploiting field (stope, tunnel or chamber etc.) top is covered when mining area is main with vertical stress
Terrane stress is wholly or partially transferred to surrounding, and the exploitation engineering in the section of exploiting field under pressure arch is solely subjected to cover the weight of ore-rock,
Vertical stress value significantly reduces and becomes prone to exploit at this time.
2., by horizontal resection, will act on mining area (stope, tunnel or chamber when mining area is main with horizontal stress
Deng) the horizontal stress partition of interior ore body, forming horizontal stress reduces area, and horizontal stress value significantly reduces and becomes in exploiting field at this time
It is easy to excavate.
3) exploiting field high stress avalanche (Use) is utilized
2) step can realize the redistribution of rock mass regional stress state by stress transfer for front the, and forming new stress reduces
Area and new stress increase area, the 2) on the basis of, sufficiently combine different production practices, utilize stress to increase area's stress and concentrate
High stress characteristic existing for feature or deep-well itself, by formed on goaf top plate new stress increase in area it is deep in arrangement
Hole induces goaf top plate rock falling using induction caving mode, eliminates the impact disaster that goaf top plate upper stress is concentrated
Hidden danger, coating needed for being formed simultaneously back production.
In 3) step, underground high stress disaster is changed into controllably pressure energy and carries out broken rock, realizes turning for high stress disaster
Utilization is changed, back production efficiency is significantly improved, reduces cost of winning.
4) it presses with controlling operation area and shows (Control)
The 1), 2), 3) step on the basis of, on still because ground pressure show influence tunnel, chamber, exploiting field safety section, adopt
With anchor pole, anchor cable or slip casting stope drift active workings are carried out with the internal reinforcement mode of supporting, and external supporting, joint reinforcement supporting,
The mode of waste fill or tailing consolidated fill is shown with pressing with further controlling, and is shown with pressing with further controlling, and is ensured
Back production safety.
The external supporting uses one of grillage, steelframe, hydraulic support, artificial feigned column, gunite concrete or two
Kind or more combination, the joint reinforcement supporting using anchor net, net spray composite reinforcement mode.
The each step back production of the method for the present invention is all carried out the dynamic circulation management of ground pressure by STUC mode, until entire mining area
Back production terminates.The present invention is directed to the characteristic of rock mass engineering project, to adjust rock mass stress state, press as core concept to comprehensive utilization,
The passive control of ground pressure is changed into active management, realizes " research the law of ground pressure (Study)-guidance ground pressure transfer
(Transter)-using ground pressure avalanche (Use)-control ground pressure show (Control) " ground press state circulation management and control
System, greatly improve efficiency, effective guarantee safety.
Compared with prior art, a kind of underground pressure management method suitable for underground mine deep mining of the present invention has following excellent
Point:
1. for the intrinsic feature of rock mass in rock mass engineering project, by the way that " research the law of ground pressure (Study)-guidance ground pressure shifts
(Transter)-using ground pressure avalanche (Use)-control ground pressure show (Control) " circular management mode, realize ground
The systematicness and dynamic of pressure pipe reason.
2. underground pressure management STUC circulation is comprehensive circulation, four-stage is opposite, is interrelated and fusion, should
Mode more meets the characteristic that rock mass engineering project is repeatedly excavated, disturbed repeatedly.
3. STUC circulation breaches the conventional underground pressure management thinking based on Earth pres-sure control, to adjust stress state, synthesis
It is core concept using ground pressure, realizes the great theoretical breakthrough of underground pressure management mode.
4. underground pressure management and mining area construction, engineering geology, mining methods, mining technology etc. have been subjected to dynamic bind, it is real
It now exploits safer, more economical, more efficient.
Detailed description of the invention
Fig. 1 is that a kind of STUC of the underground pressure management method suitable for underground mine deep mining of the present invention recycles implementing procedure
Figure；
Fig. 2 be the present invention to deep Mining by caving method when the regularity of ground pressure occurrence figure that discloses；
Fig. 3 is conceptual scheme of the present invention to exploiting field section high stress guidance transfer；
Fig. 4 is the present invention to exploiting field section high stress Comprehensive Utilization Scheme figure；
Fig. 5 is that the present invention presses the conceptual scheme shown with using support pattern control.
1- stress increases area；1`- new stress increases area；2- stress relaxed area；2`- new stress relaxed area；3-
Underground rock mass；4- Tension Stress Zone；5- Rock Displacement Movement angle；The goaf 6-；7- horizontal resection lane；The vertical cutting groove of 8-；
9- stope drift active workings；10- medium-length hole；11- coating；12- anchor pole.
Specific embodiment
It is of the invention for description, with reference to the accompanying drawings and examples to a kind of ground suitable for underground mine deep mining of the present invention
Pressure management method, which uses, to be described in further details.
A kind of underground pressure management embodiment of the method suitable for underground mine deep mining of the present invention is in Yunnan Yuxi's Dahongshan mine
It is applied successfully in the Mining by caving method of industry deep.Thick low-angle dip high temperature mineral deposit in the mine category submarine volcanic eruption sedimentary metamorphic.Have seven
Layer ore body, three layers of copper, four layers of iron.
There are the problem of: prolonged dead zone top plate exposure after multiple explosion presses and shows movable aggravation with causing.Dahongshan
Goaf top plate exposed area is generally in 2000m2Left and right, since the panel production cycle is long, dead zone cannot be filled in time, from
It adopts for starting dead zone generally all up to 8 months or so, and the repeatedly superposition punching of great explosion during dead zone top plate is also dug up mine
Bad, and Geological Structure Effect is broken up, dead zone top plate large area caving is caused, bulk is formed, causes dilution, pressure shows with landing
Movable aggravation, stress redistribution simultaneously generate stress concentration in ore pillar, and ore pillar also has occurred is caving phenomenon.According to observation, top
Plate, which is caving, has been up to 28m, also reaches 3m~5m under general feelings.If ore pillar is also caving again, very big safety will be brought hidden
Suffer from, it is necessary to carry out underground pressure management and control.
A kind of STUC of the underground pressure management method suitable for underground mine deep mining of the present invention as shown in Figure 1, which is recycled, to be implemented
Flow chart finds out that the method for the present invention includes the STUC circulation of four steps, it may be assumed that 1) study the law of ground pressure (Study), 2) and guidance ground
Pressure transfer (Transter), 3) using ground pressure avalanche (Use), 4) control ground pressure show (Control).
The regularity of ground pressure occurrence figure that discloses is found out when the present invention as shown in Figure 2 is to deep Mining by caving method, side of the present invention
1) the step of the of method are as follows:
1) research discloses regularity of ground pressure occurrence (Study)
The each step of Underground rock mass 3 is excavated to be formed during goaf 6, can all form corresponding stress and increase area 1, stress
Reduce area 2, Tension Stress Zone 4, Rock Displacement Movement angle 5.
On this regular basis, high stress is distributed using modes such as horizontal resection, vertical cutting or presplit blastings first
Shifted, then increase area using high stress progress induction caving in stress, stress relaxed area or stress constant region (as far as possible
Avoid increasing area in stress) arrangement engineering, finally collapsed to partial section using support pattern control emit, the ground pressure such as wall caving shows.
The present invention as shown in Figure 3 finds out that the of the method for the present invention is 2) to the conceptual scheme of exploiting field section high stress guidance transfer
Step are as follows:
2) transfer (Transter) is pressed with guiding exploiting field
According to the regularity of ground pressure occurrence that 1) step discloses, in conjunction with production practice, horizontal resection is used in Underground rock mass 3
Lane 7, vertical cutting groove 8 mode guide the stress in exploiting field to be shifted, redistribution forms new stress and increases area 1`, new
Stress relaxed area 2`, eliminate or reduce influence of the high stress to mining area's section, while being arranged in new stress relaxed area 2`
Stope drift active workings 9.
The present invention as shown in Figure 4 finds out exploiting field section high stress Comprehensive Utilization Scheme figure, the 3) step of the of the method for the present invention
Suddenly are as follows:
3) exploiting field high stress avalanche (Use) is utilized
The 2) on the basis of, increase area 1, interior arrangement medium-length hole 10 by forming new stress on 6 top plate of goaf,
6 roof rock mass inbreak of goaf is induced using induction caving mode, had both eliminated the impact disaster of 6 top plate upper stress of goaf concentration
Hidden danger, at the same again safely, be economically formed back production needed for coating 11, be to achieve many things at one stroke.
The present invention as shown in Figure 5 found out using the conceptual scheme that shows of support pattern control ground pressure, the of the method for the present invention
4) step are as follows:
4) it presses with controlling operation area and shows (Control)
The 1), 2), 3) step on the basis of, on still because ground pressure show influence tunnel, chamber, exploiting field safety section, adopt
With anchor pole 12, anchor cable or slip casting stope drift active workings 9 are carried out with the internal reinforcement mode of supporting, and external supporting, joint reinforcement branch
Shield, the mode of waste fill or tailing consolidated fill, are collapsed, roof collapse, strata movement, earth's surface are collapsed with further controlling tunnel
The ground pressure such as sunken shows, and has ensured back production safety.
The external supporting uses one of grillage, steelframe, hydraulic support, artificial feigned column, gunite concrete or two
Kind or more combination, the joint reinforcement supporting using anchor net, net spray composite reinforcement mode.
The present invention is by the way that " research the law of ground pressure (Study)-guidance ground pressure transfer (Transter)-utilizes ground pressure avalanche
(Use)-control ground pressure show (Control) " circulation management and control model, by ground pressure it is passive control be changed into active
Management, improves back production efficiency, has ensured exploitation safety.Using method of the invention, in Yunnan Yuxi Dahongshan mining industry deep
Big parameter (height of lift × route spacing is 20m × 20m, is largest domestic), high middle section (height are realized in Mining by caving method
120m), the safety and high efficiency of high-intensitive (4,500,000 t/a).
Claims (2)
1. a kind of underground pressure management method suitable for underground mine deep mining, it is characterised in that: for rock mass work in mining
Cheng Tedian sufficiently combines mining technology, by analytically to adjust rock mass stress state, press as core concept to comprehensive utilization
Pressure, transfer ground pressure, the circulation pattern using ground pressure, control pressed are realized underground pressure management and control, and are recycled using following steps
Implement until the back production in entire mining area terminates:
1) research discloses regularity of ground pressure occurrence (Study)
By investigation geologic information, the test stress of primary rock, test ore-rock mechanics parameter, reduction mechanics parameter, mechanical model is constructed,
On the basis of descending mining planning, mining methods and production practice in combination, using numerical simulation, analog simulation, theory
Analysis, field monitoring, engineering analogy method, analysis Underground rock mass (3) each step excavate to be formed during goaf (6)
Ground pressure shows --- tunnel collapses, roof collapse, strata movement, surface subsidence rule, obtain answering in Underground rock mass (3)
Power increases area (1), stress relaxed area (2), Tension Stress Zone (4), Rock Displacement Movement angle (5)；
2) transfer (Transter) is pressed with guiding exploiting field
It is used in Underground rock mass (3) according to the regularity of ground pressure occurrence that 1) step discloses in conjunction with production practice, mining sequence
Horizontal resection lane (7), vertical cutting groove (8), drill presplitting mode guide the stress in exploiting field to be shifted, redistribute shape
The stress of Cheng Xin increases area (1`), new stress relaxed area (2`), while back production lane is arranged in new stress relaxed area (2`)
Road (9)；Engineering is arranged in stress relaxed area or stress constant region, and avoids increasing area's arrangement engineering in stress；
3) exploiting field high stress avalanche (Use) is utilized
The 2) on the basis of, increased by forming new stress on goaf (6) top plate and arrange medium-length hole in area (1)
(10), goaf (6) roof rock mass inbreak is induced using induction caving mode, eliminates what goaf (6) top plate upper stress was concentrated
Impact Hidden hazrads, coating needed for being formed simultaneously back production (11)；
4) it presses with controlling operation area and shows (Control)
The 1), 2), 3) step on the basis of, on still because ground pressure show influence tunnel, chamber, exploiting field safety section, using anchor
Bar (12), anchor cable or slip casting carry out the internal reinforcement mode of supporting, and external supporting, joint reinforcement branch to stope drift active workings (9)
Shield, the mode of waste fill or tailing consolidated fill, are shown with pressing with further controlling.
2. a kind of underground pressure management method suitable for underground mine deep mining as described in claim 1, it is characterised in that: described
External supporting using one or both of grillage, steelframe, hydraulic support, artificial feigned column, gunite concrete or more group
It closes, the joint reinforcement supporting is using anchor net, the composite reinforcement mode of net spray.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108708755B (en) * | 2018-03-23 | 2020-08-28 | 武汉工程大学 | Underground rock burst prevention and control method |
| CN108952809B (en) * | 2018-07-11 | 2020-01-14 | 黑龙江科技大学 | Method for preventing rock burst by energy guide |
| CN110017170B (en) * | 2019-04-09 | 2020-09-25 | 中国华冶科工集团有限公司 | Prevention and control method for underground ore mining ground pressure disaster |
| CN114183138B (en) * | 2021-10-12 | 2023-10-20 | 安徽理工大学 | Coal bed non-mining drilling pre-splitting blasting method |
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|---|---|---|---|---|
| AU5929699A (en) * | 1998-08-24 | 2000-03-14 | Grinaker Construction Limited | Apparatus for prestressing a support in underground mining |
| CN101713290A (en) * | 2009-12-10 | 2010-05-26 | 天地科技股份有限公司 | Method for clearing rock burst of full-mine laneway deep in mine |
| CN103821516A (en) * | 2014-03-10 | 2014-05-28 | 平顶山天安煤业股份有限公司 | Method for preventing rock burst through secondary pressure relief |
| CN105350965A (en) * | 2015-11-27 | 2016-02-24 | 西安科技大学 | Rock burst control method for coal mining tunnel |
| CN107145684A (en) * | 2017-06-06 | 2017-09-08 | 中南大学 | A kind of underground rock engineering underground pressure management and control method |
-
2017
- 2017-06-09 CN CN201710430600.5A patent/CN107227976B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU5929699A (en) * | 1998-08-24 | 2000-03-14 | Grinaker Construction Limited | Apparatus for prestressing a support in underground mining |
| CN101713290A (en) * | 2009-12-10 | 2010-05-26 | 天地科技股份有限公司 | Method for clearing rock burst of full-mine laneway deep in mine |
| CN103821516A (en) * | 2014-03-10 | 2014-05-28 | 平顶山天安煤业股份有限公司 | Method for preventing rock burst through secondary pressure relief |
| CN105350965A (en) * | 2015-11-27 | 2016-02-24 | 西安科技大学 | Rock burst control method for coal mining tunnel |
| CN107145684A (en) * | 2017-06-06 | 2017-09-08 | 中南大学 | A kind of underground rock engineering underground pressure management and control method |
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