CN106249287A - A kind of determination method of colliery travelling limit angle - Google Patents

A kind of determination method of colliery travelling limit angle Download PDF

Info

Publication number
CN106249287A
CN106249287A CN201610602909.3A CN201610602909A CN106249287A CN 106249287 A CN106249287 A CN 106249287A CN 201610602909 A CN201610602909 A CN 201610602909A CN 106249287 A CN106249287 A CN 106249287A
Authority
CN
China
Prior art keywords
microseism
colliery
determination method
limit angle
monitoring
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201610602909.3A
Other languages
Chinese (zh)
Other versions
CN106249287B (en
Inventor
王悦
程关文
王苏健
唐春安
陈通
李连崇
李涛
马天辉
冯海
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dalian University of Technology
Shaanxi Coal and Chemical Technology Institute Co Ltd
Original Assignee
Dalian University of Technology
Shaanxi Coal and Chemical Technology Institute Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dalian University of Technology, Shaanxi Coal and Chemical Technology Institute Co Ltd filed Critical Dalian University of Technology
Priority to CN201610602909.3A priority Critical patent/CN106249287B/en
Publication of CN106249287A publication Critical patent/CN106249287A/en
Application granted granted Critical
Publication of CN106249287B publication Critical patent/CN106249287B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/28Processing seismic data, e.g. for interpretation or for event detection
    • G01V1/288Event detection in seismic signals, e.g. microseismics
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/16Receiving elements for seismic signals; Arrangements or adaptations of receiving elements
    • G01V1/20Arrangements of receiving elements, e.g. geophone pattern
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V2210/00Details of seismic processing or analysis
    • G01V2210/10Aspects of acoustic signal generation or detection
    • G01V2210/14Signal detection
    • G01V2210/144Signal detection with functionally associated receivers, e.g. hydrophone and geophone pairs

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Remote Sensing (AREA)
  • Geology (AREA)
  • Acoustics & Sound (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Emergency Management (AREA)
  • Business, Economics & Management (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Testing Or Calibration Of Command Recording Devices (AREA)
  • Traffic Control Systems (AREA)
  • Emergency Alarm Devices (AREA)

Abstract

The invention discloses the determination method of a kind of colliery travelling limit angle, including the multiple microseism cymoscopes being crisscross arranged at coal-face, each microseism cymoscope is connected with data acquisition and monitoring station, multiple data acquisition and monitoring stations connect one complete monitoring net of composition by optical fiber, it is connected to ground-based server, ground-based server releases energy along the regularity of distribution of work surface trend according to coal mine work area top board microseismic event number and the microseism of monitoring, leading infection distance l and the roof strata thickness h that are determined by work surface obtain the traveling angle θ that rock stratum is movable, the inventive method is reasonable in design, calculate simplicity, the effective minimizing coal mining loss to surface buildings, ensure the safety in production in mine, promote Economy of Mine Regions development and social stability, there is great economic worth and social meaning.

Description

A kind of determination method of colliery travelling limit angle
[technical field]
The invention belongs to the technical field such as Safety of Coal Mine Production and mining engineering, be specifically related to a kind of colliery travelling limit angle Determination method.
[background technology]
At present, strata movement and subsidence that underground mining causes are Problems of Underground Engineerings the most serious, During underground mining, stress of primary rock balance is destroyed, and country rock deforms, moves, and even produces large area and moves.Along with The increase of mining depth, the continuous extraction of Ore, surrouding rock deformation, movement and destruction are gradually aggravated.And some mines of China due to The travelling limit angle determined in recovery process is unreasonable so that produce in the building on earth's surface and production facility are in turnover zone Destroying, not only safety in production and stablizing of surface buildings to mine cause serious threat, and likely bring huge Economic loss.But, rationally determining of travelling limit angle is sufficiently complex, on the one hand travelling limit angle choose safety to be met The needs produced, on the other hand land area to be reduced as far as, reduce cost of winning.The most scientific and reasonable determination The movement of rock formation in ground surface angle of mine underground exploitation, is a great scientific research difficult problem.Improve underground engineering strata movement angular dimensions The accuracy of prediction, the always research emphasis in mining engineering field.Sum up the domestic and international current situation in this field and research Achievement, the prediction theory of travelling limit angle mainly has with Forecasting Methodology: 1. field monitoring method;2. theoretical analysis method;3. thing Reason analogy method;4. numerical analysis method etc..Wherein field monitoring method needs to arrange big measurement point, relatively costly and monitoring Time is longer;Theoretical analysis method due to the complexity of field condition, is difficult to set up and a set of matches with on-site actual situations Theoretical model and method;On the basis of physical simulating method condition the most at the scene, field condition is done a large amount of simplification, thus The result causing physical simulating method is bigger with field monitoring result difference;Numerical analysis method is often limited to be used Analysis method, constitutive equation, additionally in numerical analysis method, the selection of rock mass parameter is also the most difficult, so causing numerical value The result of analogy method is difficult to corresponding with scene.
In recent years, obtained sending out rapidly as a kind of rock mass micro rupture three dimensions monitoring technology On Microseismic Monitoring Technique Exhibition, microseism mainly monitors rock mass fragile material under external force, occur micro rupture time, sky, strong (time, space, intensity) And relevant focal shock parameter.On Microseismic Monitoring Technique is used widely in mine at home and abroad, presses research with becoming deeps mines An important means with management.A large amount of scholar collieries at home are installed Microseismic monitoring system be used for carrying out rock burst impact ground Preventing and controlling in terms of the coal and rock dynamic disasters such as pressure, landslide, coal and gas prominent and gushing water.Deep is become at micro seismic monitoring A kind of colliery based on micro seismic monitoring travelling limit angle is set up on the basis of one important means of rock pressure research and management Determination method, for widening the range of application of micro seismic monitoring, reduce Coal Mine Disasters, save fund input, ensure mine safety Produce significant.
[summary of the invention]
The technical problem to be solved is reasonably to determine colliery travelling limit angle, the method provide a kind of based on The determination method of the colliery travelling limit angle of micro seismic monitoring, for widening the range of application of micro seismic monitoring, reduces colliery fund and throws Enter, ensure that Mine Safety in Production has great economic worth and social meaning.
The present invention is by the following technical solutions: the determination method of a kind of colliery travelling limit angle, is adopting including being crisscross arranged Multiple microseism cymoscopes of coal work surface, each described microseism cymoscope is connected with data acquisition and monitoring station, multiple described data Gather monitoring station and connect one complete monitoring net of composition by optical fiber, be connected to surface data storage and processing server, institute State surface data storage and processing server to release energy edge according to coal mine work area top board microseismic event number and the microseism of monitoring The regularity of distribution of work surface trend, leading infection distance l and the roof strata thickness h that are determined by work surface obtain rock stratum activity Traveling angle θ.
Further, described leading infection distance l determines on the basis of energy threshold, when the energy of microseism release is less than energy During amount threshold values, the energy of this region microseismic event release is ignored;When the energy of microseism release is higher than energy threshold, this district The energy of territory microseismic event is relatively big, determines leading infection distance l of work surface.
Further, leading infection distance l of described work surface takes absolute value, particularly as follows:
L=L-L '
Wherein, L is work surface position, and L ' is leading infection position.
Further, described roof strata thickness h is the vertical dimension between soil layer base plate and roof.
Further, described traveling angle θ is:
θ=arctan (l/h)
Wherein, l is leading infection distance, and h is roof strata thickness.
Further, the layout rules of described microseism cymoscope is: is arranged in the track lane of coal mine work area and returns The mine floor to be monitored of air way, and non-producing side, move towards direction and depth direction be interlaced arrangement, pay close attention to along colliery Area intensive is laid.
Further, described microseism cymoscope is pressed 80-120m spacing in track lane or return airway and is laid, and pays close attention to district In territory, described microseism cymoscope is pressed 30-80m spacing and is laid.
Further, described microseism cymoscope is arranged in hard rock, is close to crag, the installation of each described microseism cymoscope Hole is towards difference.
Further, described data acquisition and monitoring station includes explosion-proof tank, be provided with in described explosion-proof tank optical-electrical converter and Underground work station, uses series system to be connected to surface data storage through optical-electrical converter between described data acquisition and monitoring station Data storage and process is carried out with processing server.
Further, the one end at described underground work station is connected with multiple microseism cymoscopes by communication cable, described well The other end of lower work station is connected with optical-electrical converter by netting twine.
Compared with prior art, the present invention at least has the advantages that
The invention provides a kind of new colliery travelling limit angle and measure means, will by the microseism cymoscope being crisscross arranged The top board microseism practical situation at coal-face scene is sent to ground-based server and monitors in real time, and certainty of measurement is high, measures Mode is safe and simple, and the leading infection distance and the roof strata thickness that are determined by work surface just can be calculated rock stratum activity Traveling angle, effectively save production cost.
Further, the boring of microseism cymoscope is towards difference, it is to avoid microseism cymoscope is disposed on the same plane impact Certainty of measurement, and paying close attention to area intensive lay collection information, measure signal by optical-electrical converter carry out the signal of telecommunication with After the mutually conversion of optical signal, it is sent to ground-based server, on the basis of energy threshold, is quickly drawn rock by antitrigonometric function The traveling angle of layer.
The determination method of a kind of colliery of present invention travelling limit angle is according to traveling angle and ore body plan production zone, permissible On earth's surface, correspondence marks an effective moving area, it is to avoid have personnel activity in moving area, transfers to industrial activity move Outside dynamic region, the determination for mine expropriation of land, resettlement scope is significant, both can avoid because of expropriation of land, resettlement model Enclose too small and cause people's property and safety to be on the hazard, expropriation of land, resettlement scope can be avoided again excessive and cause spending excessive, The determination of traveling angle simultaneously has certain guidance suggestion for the addressing on mine square, by the prison to colliery strata movement Survey can effectively reduce the coal mining loss to surface buildings, it is ensured that the safety in production in mine, promotes Economy of Mine Regions development And social stability.
In sum, the determination method of a kind of colliery of this method travelling limit angle, accurately, traveling angle determines simplicity in monitoring, Can adapt to long-distance transmissions needs, there is great economic worth and social meaning.
Below by drawings and Examples, technical scheme is described in further detail.
[accompanying drawing explanation]
Fig. 1 is that data transmission link of the present invention builds and data flow schematic diagram;
Fig. 2 is the microseismic region microseismic event of the present invention energy profile at work surface;
Fig. 3 is the determination method flow diagram of colliery of the present invention travelling limit angle.
Wherein: 1. optical fiber;2. optical-electrical converter;3. underground work station;4. explosion-proof tank;5. netting twine;6. surface data storage And processing server;7. data flow;8. microseism cymoscope;9. communication cable.
[detailed description of the invention]
" building, water body, railway and main roadway coal column stay and set and mining pressed coal code " is to rim angle, traveling angle and splits Seam angle has carried out detailed definition.It is that mining causes ground that rim angle is boundary point to the connecting line what is called border of gob edge The boundary point of table deformation;Traveling angle is the outermost point of satisfied certain slope, curvature and horizontal distortion rate to goaf The connecting line on border and the horizontal line angle in coal column side claim traveling angle;Angle of break is the principal section at subsidence trough On, the line of basin edge macrocrack to gob edge and the horizontal line angle in coal column side.Rim angle is mainly used In considering Affected areas by mining;Traveling angle is mainly used in the impact considering earth's surface deformation to Surface structure;Angle of break is mainly examined Consider earth's surface and produce the scope of macrocrack.The result of study of forefathers shows: rock mass deforms the most at the beginning and just produces acoustic emission, and Be to arrive to a certain degree in deformation, i.e. rock mass starts to produce damage, and rock mass macroscopic cracking starts to produce acoustic emission before producing.Rock mass Starting to produce damage and mean the generation of rock mass inelastic deformation, often rock mass inelastic deformation is to earth's surface rock mass and building structure Become considerable influence, i.e. can effectively determine that ahead work face affects distance and travelling limit angle by micro seismic monitoring, therefore, based on Micro seismic monitoring result may determine that colliery travelling limit angle.
Refer to shown in Fig. 1 to Fig. 3, the invention discloses the determination method of a kind of colliery travelling limit angle, including interlocking Being arranged on multiple microseism cymoscopes 8 of coal-face, each described microseism cymoscope 8 is connected with data acquisition and monitoring station, many Individual described data acquisition and monitoring station connects one complete monitoring net of composition by optical fiber 1, is connected to surface data storage and place Reason server 6, the storage of described surface data and processing server 6 are according to the coal mine work area top board microseismic event number and micro-of monitoring Shake releases energy along the regularity of distribution of work surface trend, is determined by leading infection distance l and the roof strata thickness h of work surface Obtain the traveling angle θ that rock stratum is movable.Data acquisition and monitoring station includes explosion-proof tank 4, is provided with optical-electrical converter in described explosion-proof tank 4 2 and underground work station 3, adopt to be connected serially by optical-electrical converter 2 between data acquisition and monitoring station and carry out data transmission. The one end at underground work station 3 is connected with multiple microseism cymoscopes 8 by communication cable 9, and the other end at described underground work station 3 leads to Cross netting twine 5 to be connected with optical-electrical converter 2.
Described method comprises the steps of:
1) set up Microseismic monitoring system in aim coal mine, carry out microseism cymoscope and circuit according to the concrete condition of work surface Lay.
Basic principle laid by microseism cymoscope 8:
1. direction is being moved towards along colliery and depth direction is interlaced arrangement in main transportation roadway and assistant conveyance lane;
2. non-producing side it is arranged in;
3. the spacing of 80-120m is selected to lay according to actual geology and mining situation in main transportation roadway and assistant conveyance lane Microseism cymoscope, the position that local need to be paid close attention to selects the spacing encryption of 30-80m to lay microseism cymoscope;
4. microseism cymoscope is arranged in hard rock, is close to crag;
5. microseism cymoscope is staggered in level and in vertical direction, arranges around target area to be monitored.
Data transmission link builds:
1. the corresponding relation between underground work station 3 and microseism cymoscope 8: according to microseism cymoscope lay basic principle, Monitoring purpose and the actual geological condition of coal mine work area to be monitored, determine that orientation arranged by microseism cymoscope, install microseism cymoscope 8 After, microseism cymoscope is connected to underground work station by communication cable;Microseism cymoscope and down-hole is determined by Knock test The corresponding relation of work station;
2. the data communication relation between underground work station 3 and surface data storage and processing terminal: underground work station 3 is adopted Transmitting data with series system, micro seismic monitoring real time data is obtained by microseism cymoscope 8, is then passed by communication cable 9 Delivering to underground work station 3, underground work station 3 is sent to surface data by switch, optical-electrical converter 2 and optical fiber 1 and stores With processing terminal server 6.
2) filtering, microseismic event location and focal shock parameter are determined successively: the underground work station 3 after series connection is by optical fiber 1 Be arranged on ground surface data storage and processing server 6 be connected, in real time the Wave data monitored is passed to ground Storage server be filtered, microseismic event judge, microseismic event location and the determination of focal shock parameter.
3) statistics and analysis coal mine work area to be monitored top board microseismic event number and microseism release energy along the advance of the face The regularity of distribution in direction, determines energy threshold, so that it is determined that micro seismic monitoring is along leading infection distance l in advance of the face direction, Energy threshold has the most negligible feature of energy less than the release of the microseismic event in energy threshold region, work surface Leading infection distance l take absolute value, particularly as follows:
L=L-L '
Wherein, L is work surface position, and L ' is leading infection position.
4) according to the geologic column situation of work surface, roof strata thickness h (not comprising the thickness of overlying soil) is determined, It is specially the vertical dimension between soil layer base plate and roof.
5) according to leading infection distance l and roof strata thickness h, the traveling angle θ that calculating digs up mine causes rock stratum movable is:
θ=arctan (l/h)
Wherein, l is leading infection distance, and h is roof strata thickness, between soil layer base plate and roof vertical away from From.
Embodiment
(1) set up Microseismic monitoring system in aim coal mine, carry out microseism cymoscope and line according to the concrete condition of work surface Road is laid.Two groups of microseism cymoscopes 8 are arranged in track lane and the mine floor to be monitored of return airway of coal mine work area, Track lane and return airway are moving towards direction and depth direction is interlaced arrangement along colliery, are arranged in non-producing side, in track lane or In return airway, microseism detector interval is encrypted to spacing 60m at 100m, local location, and microseism cymoscope is arranged in hard rock, tightly Patch crag.The often group microseism cymoscope 8 of mine floor to be detected is connected with communication cable 9 respectively, then with setting within coal mines Microseism data gather Monitor Sub-Station of Less connect, form a complete monitoring net.
Microseism cymoscope deployment scenarios has two kinds:
The first, when underworkings space satisfies the requirements, use and respectively arrange that a number of microseism is examined along both sides, tunnel Ripple device 8, the direction of arrow that each microseism cymoscope 8 flows to 7 according to Real-time Monitoring Data carries out data transmission, microseism cymoscope 8 Spacing is according to on-site actual situations control;
The second, when underworkings space does not satisfies the requirements, uses a number of cymoscope to be arranged in a tunnel In, the boring installing microseism cymoscope should be distributed in the both sides in same tunnel, with avoid microseism cymoscope on same straight line, The boring installing microseism cymoscope should be towards different directions, to avoid microseism cymoscope at grade.
(2) filtering, microseismic event location and focal shock parameter are determined successively: microseism data gathers Monitor Sub-Station of Less and passes through optical fiber Being connected with being arranged on ground storage server, the storage server that the Wave data monitored passes to ground in real time is carried out Filtering, the judgement of microseismic event, the location of microseismic event and the determination of focal shock parameter.After coal work proceeds by, 24 The micro seismic monitoring data of hour uninterrupted sampling work surface, in gatherer process, reply face advance and work surface geology feelings Condition carries out itemized record.
(3) according to top board micro seismic monitoring result, add up and analyze microseism and release energy along the distribution in advance of the face direction Rule, so that it is determined that micro seismic monitoring is along the leading infection distance in advance of the face direction, leading infection distance to be determined, it is necessary to first Determine energy threshold (referring in Fig. 2 along shown in the heavy line of abscissa direction).
The foundation that energy threshold determines:
When the energy of microseism release is less than energy threshold, the energy of this region microseismic event release can be ignored not substantially Meter;
When the energy of microseism release is higher than energy threshold, the energy of this region microseismic event is bigger, it is impossible to ignore.
(4) according to work surface drill hole geologic situation, roof strata thickness (not comprising the thickness of overlying soil) is comprehensively determined.
Work surface geotechnical boring and top board divide band situation as shown in the table:
Roof strata thickness h=618.43m-232.47m=385.96m.
(5) according to leading infection distance and roof strata thickness, calculate mining and cause the traveling angle of rock stratum activity.Colliery Ahead work face impact distance and traveling angle corresponding relation are as shown in the table
Described method provides a kind of new colliery travelling limit angle and measures means, by the research to colliery strata movement Can effectively reduce the coal mining loss to surface buildings, it is ensured that the safety in production in mine, promote Economy of Mine Regions development and Social stability, has great economic worth and social meaning.
Above content is only the technological thought that the present invention is described, it is impossible to limit protection scope of the present invention with this, every presses The technological thought proposed according to the present invention, any change done on the basis of technical scheme, each fall within claims of the present invention Protection domain within.

Claims (10)

1. the determination method of a colliery travelling limit angle, it is characterised in that include being crisscross arranged at coal-face is multiple Microseism cymoscope (8), each described microseism cymoscope (8) is connected with data acquisition and monitoring station, multiple described data acquisition and monitorings Stand and connect one complete monitoring net of composition by optical fiber (1), be connected to surface data storage and processing server (6), described Surface data storage and processing server (6) release energy edge according to coal mine work area top board microseismic event number and the microseism of monitoring The regularity of distribution of work surface trend, leading infection distance l and the roof strata thickness h that are determined by work surface obtain rock stratum activity Traveling angle θ.
The determination method of a kind of colliery the most according to claim 1 travelling limit angle, it is characterised in that described leading infection Distance l determines on the basis of energy threshold, when the energy of microseism release is less than energy threshold, this region microseismic event release Energy is ignored;When the energy of microseism release is higher than energy threshold, the energy of this region microseismic event is relatively big, determines work Leading infection distance l in face.
The determination method of a kind of colliery the most according to claim 2 travelling limit angle, it is characterised in that described work surface Leading infection distance l takes absolute value, particularly as follows:
L=L-L '
Wherein, L is work surface position, and L ' is leading infection position.
The determination method of a kind of colliery the most according to claim 1 travelling limit angle, it is characterised in that described roof strata Thickness h is the vertical dimension between soil layer base plate and roof.
The determination method of a kind of colliery the most according to claim 1 travelling limit angle, it is characterised in that described traveling angle θ For:
θ=arctan (l/h)
Wherein, l is leading infection distance, and h is roof strata thickness.
The determination method of a kind of colliery the most according to claim 1 travelling limit angle, it is characterised in that described microseism detection The layout rules of device (8) is: be arranged in the track lane of coal mine work area and the mine floor to be monitored of return airway, Yi Jifei Exploitation side, moves towards direction and depth direction is interlaced arrangement along colliery, pays close attention to area intensive and lays.
The determination method of a kind of colliery the most according to claim 6 travelling limit angle, it is characterised in that described microseism detection Device (8) is pressed 80-120m spacing in track lane or return airway and is laid, and pays close attention in region, and described microseism cymoscope (8) is pressed 30-80m spacing is laid.
The determination method of a kind of colliery the most according to claim 7 travelling limit angle, it is characterised in that described microseism detection Device (8) is arranged in hard rock, is close to crag, and the installing hole of each described microseism cymoscope (8) is towards difference.
The determination method of a kind of colliery the most according to claim 1 travelling limit angle, it is characterised in that described data acquisition Monitoring station includes explosion-proof tank (4), is provided with optical-electrical converter (2) and underground work station (3), described number in described explosion-proof tank (4) Series system is used to be connected to surface data storage and processing server through optical-electrical converter (2) between monitoring station according to gathering (6) data storage and process are carried out.
The determination method of a kind of colliery the most according to claim 9 travelling limit angle, it is characterised in that described down-hole work The stand one end of (3) is connected with multiple microseism cymoscopes (8) by communication cable (9), the other end of described underground work station (3) It is connected with optical-electrical converter (2) by netting twine (5).
CN201610602909.3A 2016-07-27 2016-07-27 A kind of determining method of coal mine travelling limit angle Active CN106249287B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610602909.3A CN106249287B (en) 2016-07-27 2016-07-27 A kind of determining method of coal mine travelling limit angle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610602909.3A CN106249287B (en) 2016-07-27 2016-07-27 A kind of determining method of coal mine travelling limit angle

Publications (2)

Publication Number Publication Date
CN106249287A true CN106249287A (en) 2016-12-21
CN106249287B CN106249287B (en) 2018-06-29

Family

ID=57604873

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610602909.3A Active CN106249287B (en) 2016-07-27 2016-07-27 A kind of determining method of coal mine travelling limit angle

Country Status (1)

Country Link
CN (1) CN106249287B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108930554A (en) * 2018-08-20 2018-12-04 煤炭科学技术研究院有限公司 Well-ground-air combined monitoring method of the fracture of coal mine overlying strata and surface strata movement
CN111208211A (en) * 2020-01-17 2020-05-29 大连理工大学 Knocking device for positioning and correcting deep microseism of rock mass

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202330733U (en) * 2011-11-21 2012-07-11 大同煤矿集团有限责任公司 Micro-seismic monitoring system for working surface for thick seam full-mechanized caving mining
CN103575438A (en) * 2012-07-18 2014-02-12 天地科技股份有限公司 Coal mine advance bearing pressure distribution characteristic monitoring method
US20140100833A1 (en) * 2012-10-05 2014-04-10 Kenneth E. Williams Analyzing fracture stratigraphy
CN103899356A (en) * 2014-02-21 2014-07-02 北京华安奥特科技有限公司 Integrated information system for monitoring, early warning, management and control of mine water disasters
CN105652314A (en) * 2015-12-29 2016-06-08 大连理工大学 Microseismic monitoring-based coal mine floor damage depth determining method
CN205384080U (en) * 2016-02-19 2016-07-13 安徽理工大学 Mine microseism signal monitoring system based on optical fiber sensor

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202330733U (en) * 2011-11-21 2012-07-11 大同煤矿集团有限责任公司 Micro-seismic monitoring system for working surface for thick seam full-mechanized caving mining
CN103575438A (en) * 2012-07-18 2014-02-12 天地科技股份有限公司 Coal mine advance bearing pressure distribution characteristic monitoring method
US20140100833A1 (en) * 2012-10-05 2014-04-10 Kenneth E. Williams Analyzing fracture stratigraphy
CN103899356A (en) * 2014-02-21 2014-07-02 北京华安奥特科技有限公司 Integrated information system for monitoring, early warning, management and control of mine water disasters
CN105652314A (en) * 2015-12-29 2016-06-08 大连理工大学 Microseismic monitoring-based coal mine floor damage depth determining method
CN205384080U (en) * 2016-02-19 2016-07-13 安徽理工大学 Mine microseism signal monitoring system based on optical fiber sensor

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
史红等: "《基于微地震监测的覆岩多层空间结构倾向支承压力研究》", 《岩石力学与工程学报》 *
吴金鑫: "《地表动态移动规律研究》", 《安徽理工大学硕士学位论文》 *
姜福兴等: "《两侧不规则采空区孤岛工作面煤体整体冲击失稳研究》", 《岩石力学与工程学报》 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108930554A (en) * 2018-08-20 2018-12-04 煤炭科学技术研究院有限公司 Well-ground-air combined monitoring method of the fracture of coal mine overlying strata and surface strata movement
CN108930554B (en) * 2018-08-20 2019-11-19 煤炭科学技术研究院有限公司 Well-ground-air combined monitoring method of the fracture of coal mine overlying strata and surface strata movement
CN111208211A (en) * 2020-01-17 2020-05-29 大连理工大学 Knocking device for positioning and correcting deep microseism of rock mass

Also Published As

Publication number Publication date
CN106249287B (en) 2018-06-29

Similar Documents

Publication Publication Date Title
CN105807312B (en) Coal mine roof plate rock mass vertical zoning based on micro seismic monitoring determines method
CN101519963B (en) Filling mining multi-information dynamic monitoring method
Wang et al. Karst geology and mitigation measures for hazards during metro system construction in Wuhan, China
CN105629309B (en) Bored grouting slurries space range of scatter and path description method
CN107165676A (en) The Trinity monitoring method of CONTROL OF STRATA MOVEMENT
CN102778668A (en) Method for quickly and precisely positioning passive mine focus
CN109653800B (en) Composite power disaster monitoring and early warning system and method for deep water-rich overburden thick coal seam mining
CN104989453A (en) Coal mine water burst down-hole full-space real-time continuous monitoring early-warning method
Li et al. Ground movements caused by deep underground mining in Guan-Zhuang iron mine, Luzhong, China
CN106437843B (en) coal mine bottom plate water guide channel identification method based on microseismic monitoring
CN105137488B (en) Ground water field based on artificial fluid injection describes method
CN113360592B (en) N00 construction method coal seam roof water inrush danger early warning method based on microseismic monitoring
CN108732612A (en) A kind of Preceding geology predictor and method based on tunnel excavation blast signal
CN110609335A (en) Multi-means-based residual mining area complex condition detection method
CN105652311A (en) Micro-seismic monitoring method for monitoring water inrush of base plate
CN103760622A (en) Method for monitoring activity state of underground fault
CN104089595B (en) Stope base object model ruptures determination of distance method in advance
CN109059847A (en) Overburden of the goaf destroys monitoring method
CN106249287B (en) A kind of determining method of coal mine travelling limit angle
CN105626150A (en) Micro-seismic monitoring-based gob-side excavation roadway dynamic monitoring and stability evaluating method
CN108194142A (en) Recessive fissure zone detection method
CN105298542B (en) A kind of method and system for being used to monitor roof of coal face
CN108457673B (en) Geologic radar detection guard method in newly built tunnels neighboring tunneling existing tunnel hole
CN105137487A (en) Underground water flow field description method based on manual water discharging interference field
CN205049133U (en) Tunnel surrouding rock deformation dynamic monitoring system

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant