CN103389521B - Deep laneway surrounding rock subregion ruptures in-situ measurement system and detection method - Google Patents
Deep laneway surrounding rock subregion ruptures in-situ measurement system and detection method Download PDFInfo
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- CN103389521B CN103389521B CN201310320553.0A CN201310320553A CN103389521B CN 103389521 B CN103389521 B CN 103389521B CN 201310320553 A CN201310320553 A CN 201310320553A CN 103389521 B CN103389521 B CN 103389521B
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- 239000011435 rock Substances 0.000 title claims abstract description 45
- 238000001514 detection method Methods 0.000 title claims abstract description 22
- 238000012625 in-situ measurement Methods 0.000 title claims abstract description 13
- 239000000523 sample Substances 0.000 claims abstract description 91
- 238000006073 displacement reaction Methods 0.000 claims abstract description 61
- 238000012544 monitoring process Methods 0.000 claims abstract description 24
- 238000000034 method Methods 0.000 claims abstract description 14
- 238000005553 drilling Methods 0.000 claims abstract description 12
- 238000005259 measurement Methods 0.000 claims abstract description 7
- 238000012360 testing method Methods 0.000 claims description 8
- 230000006378 damage Effects 0.000 claims description 7
- 238000010276 construction Methods 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 4
- 238000012935 Averaging Methods 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 2
- 238000005096 rolling process Methods 0.000 claims description 2
- 238000012545 processing Methods 0.000 claims 1
- 230000008093 supporting effect Effects 0.000 abstract description 15
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000003384 imaging method Methods 0.000 abstract description 5
- 230000000295 complement effect Effects 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 238000011010 flushing procedure Methods 0.000 description 4
- 238000009412 basement excavation Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 238000010926 purge Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
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- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
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- 239000011378 shotcrete Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The invention discloses a kind of deep laneway surrounding rock subregion and rupture in-situ measurement system, including multipoint displacement meter, borehole television probe, color video monitor, described multipoint displacement meter is located in the displacement meter installing hole of tunnel monitor section, drawn respectively outside boring by seizing wire, to measure the deformation of country rock at boring different depth, borehole television probe is located in the TV probe mounting holes of tunnel monitor section, and borehole television probe is connected with color video monitor；The observation procedures such as multi-point displacement monitoring, mine drilling television imaging, resistivity measurement and geologic radar detection technology is used to complement each other, learn from other's strong points to offset one's weaknesses, can be derived that reliable data result, support pattern rational for deep tunnel support options provides foundation, being especially suited for use in the underground engineering of deep, assessment country rock subregion ruptures scope and destructiveness and determines related supporting measure.
Description
Technical field
The present invention relates to a kind of deep laneway surrounding rock Detection Techniques field, particularly relate to a kind of deep laneway surrounding rock subregion and rupture scene
Detection system and detection method.
Background technology
Underground engineering is when excavation, as tunnel, tunnel, cavern and yard all destroy stress of primary rock poised state, and the weight of stress
New distributing makes country rock be in different destruction and stress, and therefore underground engineering to carry out corresponding supporting after excavation, at present,
Laneway support method has multiple, such as suspension roof support, bolt-spary supports, bolting and shotcreting with wire mesh, cable bolting, block arch supporting, metal arch
Combined supporting etc. between shape bracket support, work stone supporting, armored concrete supporting and all kinds of supporting, exploits at deep coalmine
In, roadway support also uses bolt-grouting support in addition to aforesaid way, but in above-mentioned bolt and cable anchor supporting, major part is all
Rule of thumb choosing the length of anchor pole, anchor cable, scientific basis is abundant not, and as chosen, length is long causes waste, chooses the shortest
Beating again less than supporting effect, therefore the basic foundation of Reasonable Support mode is tunnel surrounding rock failure scope and degree after excavation.Deep
Roadway surrounding rock subregion ruptures test achievement mainly the effect of following three aspects: determine the scope of the zone of fracture and complete section, for shotcrete
Suspension roof support in supporting provides reliable impetus, for determining that anchor cable length and anchor point provide foundation, for lane, grouting and reinforcing deep
Road country rock provides reference.
The actual deep laneway surrounding rock subregion that carries out ruptures in test process, is mostly single observation method or Detection Techniques due to use,
Often because someway or the defect of technology, deficiency and anthropic factor cause data inaccurate or lost efficacy so that test achievement
Beat less than expection purpose.
Summary of the invention
The present invention is contemplated to solve deficiencies of the prior art, it is provided that a kind of deep laneway surrounding rock subregion ruptures scene
Detection system and detection method；The present invention uses the observation sides such as multi-point displacement monitoring, mine drilling television imaging, resistivity measurement
Method and geologic radar detection technology complement each other, and learn from other's strong points to offset one's weaknesses, it is possible to draw reliable data result, prop up for deep tunnel
Protect the rational support pattern of selection and provide foundation.Being especially suited for use in the underground engineering of deep, assessment country rock subregion ruptures model
Enclose and destructiveness and determine related supporting measure.
It is an object of the invention to use following technical proposals to realize:
A kind of deep laneway surrounding rock subregion ruptures in-situ measurement system, including multipoint displacement meter, borehole television probe, colored supervision
Device, described multipoint displacement meter is located in the displacement meter installing hole of tunnel monitor section, drawn respectively outside boring by seizing wire,
To measure the deformation of country rock at boring different depth, described borehole television probe is located at the TV probe mounting holes of tunnel monitor section
In, borehole television probe is connected with color video monitor.
Borehole television probe uses KDVJ-400 mine drilling television imager.
Also including Resitest-4000 resistivity tester, main frame, insulating support, roller, insulating support is connected with roller,
Resistivity tester is connected with main frame, and insulating support is popped one's head in being provided with hole, and insulating support is provided with electrode, and electrode is provided with leads
Electricity soft contact, in hole, probe is located in probe mounting holes.
Also including geological radar main frame, antenna, geological radar main frame is connected with antenna by insulation rod, and antenna encloses with tunnel
Rock surface contacts.
Described geological radar main frame uses SIR-3000 geological radar, and antenna uses 400MHz antenna.
The method utilizing deep laneway surrounding rock subregion to rupture in-situ measurement system, comprises the following steps:
1) move towards along tunnel to arrange some monitoring sections, complete end face construction, after completing roadway support, at each monitoring section cloth
Put the boring of some displacement meters, in displacement meter boring, multipoint displacement meter is installed；
2) in tunnel, select suitable section drill head installing hole, TV probe is inserted probe mounting holes；
3) probe in the hole of band roller is put into probe mounting holes, by the determination of electrode rockmass being arranged on insulating support
With the change of broken rock resistivity, resistivity situation shows in real time on main frame, and in the hole of band roller, probe is at probe mounting holes
Interior drive by roller rolls traveling, has resilient conduction soft contact and fits tightly with the wall of a borehole, often step advance 0.2m in traveling process
Measure once, record resistivity value and the degree of depth, until at the bottom of hole, using hole internal resistance rate value averaging method to determine damage envelope；
4) laying monitoring section in tunnel, the roof and floor and two at monitoring section is helped to arrange horizontal and vertical survey line, during measurement
400MHz antenna being pressed against the country rock surface in tunnel, drags along measuring line, test result shows on geological radar main frame.
1.1 each monitoring sections are provided with five displacement meter installing holes, and the degree of depth of described displacement meter installing hole is 10m, bore diameter is
32mm, described displacement meter installing hole be respectively arranged on two tops shoulder, two help with top board at, wherein displacement meter installing hole I and displacement meter peace
Dress hole II level, displacement meter installing hole III and displacement meter installing hole IV are with the horizontal 45 ° of angles, and displacement meter installing hole V is vertical.
Being provided with ten measuring points in each displacement meter installing hole, each measuring point is provided with a hole inner fixer, from the beginning of surface, tunnel,
Arrange a measuring point every 1m, determine country rock different depth change in displacement rule.
The bore diameter 32mm of 2.1 probe mounting holes, drilling depth 10m, TV probe mounting holes is provided with five, and TV is popped one's head in
Installing hole is respectively arranged on top board, left and right two spandrel and left and right two and helps, wherein probe mounting holes I and probe mounting holes II level, visits
Head installing hole III and probe mounting holes IV are with the horizontal 45 ° of angles, and probe mounting holes V is vertical.
2.2) hole flushing is carried out after pore-forming.With clear water circulation flushing probe mounting holes, till water is clear, when water source inconvenience, can
Carry out sewage in Purge holes adding medicine.
2.3) borehole television probe is slowly inserted in probe mounting holes, by country rock surface at the bottom of hole, carry out hole implosion form complete
Scape video recording registered depth, rupture event and corresponding time, borehole television probe real-time pictures can be by being positioned at the colour in tunnel
Monitor shows, and spies on interpretation standard according to boring and determine damage envelope.
3.1), before in the hole of band roller, probe puts into probe mounting holes, first blow in shared boring, in tap
Gas, with anti-gas explosion.
4.1 monitoring sections are arranged at the 20m of boring head rear, and each section meets head on to tunnel according to tunnel when being spaced 2-5 days
Between monitor and one take turns.
Beneficial effects of the present invention:
1. the present invention uses observation procedure and the geological radars such as multi-point displacement monitoring, mine drilling television imaging, resistivity measurement
Detection Techniques complement each other, and learn from other's strong points to offset one's weaknesses, it is possible to draw reliable data result, reasonably prop up for deep tunnel support options
The mode of protecting provides foundation.Present invention is mainly used in the underground engineering of deep, assessment country rock subregion rupture scope and destructiveness and
Determine related supporting measure.
2. the test result reliability of the present invention is high, provides fully for design anchor pole, the supporting degree of depth of anchor cable, grouting and reinforcing scope
Ground scientific basis, makes supporting parameter more economically reasonable, reaches optimal supporting effect under conditions of most economical.
3. overcome single observation method or Detection Techniques because someway or the defect of technology, deficiency and anthropic factor cause data
Defect that is inaccurate or that lost efficacy.
Accompanying drawing explanation
Fig. 1 is that schematic diagram arranged by multipoint displacement meter survey station of the present invention；
Fig. 2 is multipoint displacement meter test arrangement figure of the present invention；
Fig. 3 is mine drilling television imaging of the present invention and resistivity measurement borehole pattern；
Fig. 4 is resistivity meter Local Members schematic diagram of the present invention；
Fig. 5 is the left view of Fig. 4；
Fig. 6 is that geological radar of the present invention monitors route map；
Wherein, 1. displacement meter installing hole I, 2. displacement meter installing hole II, 3. displacement meter installing hole III, 4. displacement meter installing hole IV,
5. displacement meter installing hole V, 6. multipoint displacement meter, 7. displacement meter installing hole, 8. probe mounting holes, 9. pops one's head in hole, 10.
Main frame, 11. TV probes, 12. color video monitors, 13. electrodes, 14. insulating supports, 15. rollers, 16. conduction soft contacts,
17. antennas, 18. rods, 19. geological radar main frames, 21. tunnels, 22. sections one, 23 sections two, 24. boring heads,
25. measuring points, 31. probe mounting holes I, 32. probe mounting holes II, 33. probe mounting holes III, 34. probe mounting holes IV, 35.
Probe mounting holes V.
Detailed description of the invention
The present invention will be further described with embodiment below in conjunction with the accompanying drawings.
A kind of deep laneway surrounding rock subregion ruptures in-situ measurement system, including multipoint displacement meter 6, borehole television probe 11, colour
Monitor 12, multiple measuring points 25 of multipoint displacement meter 6 are equidistantly sequentially arranged in the displacement meter peace of tunnel 21 monitoring section by 1m
In dress hole 7, drawn respectively outside boring by seizing wire, to measure the deformation of country rock at boring different depth.Borehole television is visited
11 are located in the TV probe mounting holes 8 of tunnel 21 monitoring section, and borehole television probe 11 is connected with color video monitor 12.
Borehole television probe 11 uses KDVJ-400 mine drilling television imager.
Also include Resitest-4000 resistivity tester, main frame 10, insulating support 14, roller 15, insulating support 14 with
Roller 15 connects, and resistivity tester is connected with main frame 10, and insulating support 14 is provided with probe 9 in hole, insulating support 14
Being provided with electrode 13, electrode 13 is provided with conduction soft contact 16, and in hole, probe 9 is located in probe mounting holes 8.
Also including geological radar main frame 19, antenna 17, geological radar main frame 19 is connected with antenna 17 by insulation rod 18,
Antenna 17 contacts with the country rock surface in tunnel 21.
Described geological radar main frame 19 uses SIR-3000 geological radar, antenna 17 to use 400MHz antenna.
The method utilizing deep laneway surrounding rock subregion to rupture in-situ measurement system, comprises the following steps:
1) moving towards along tunnel 21 to arrange some monitoring sections, complete end face construction, after completing roadway support, multiple spot is installed in punching
Displacement meter 6；As it can be seen, move towards to arrange two monitoring sections, first construction section 1, section 1 22 to pick along tunnel 21
Enter meet head on 24 distance be 5m, the distance of section 2 23 to section 1 is 30m；
Arranging some multipoint displacement meters boring 7 at each monitoring section, each monitoring section is provided with five displacement meter installing holes 7, institute
The degree of depth stating displacement meter installing hole 7 is 10m, bore diameter is 32mm, described displacement meter installing hole 7 be respectively arranged on two tops shoulder,
Two help with top board at, wherein displacement meter installing hole I 1 and displacement meter installing hole II 2 level, displacement meter installing hole III 3 and displacement meter
Installing hole IV 4 is with the horizontal 45 ° of angles, and displacement meter installing hole V 5 is vertical.
Being provided with ten measuring points 25 in each displacement meter installing hole 7, each measuring point 25 is provided with a hole inner fixer, from surface, tunnel
Start, arrange a measuring point 25 every 1m, determine country rock different depth change in displacement rule.
As it is shown on figure 3, mine drilling television imaging uses KDVJ-400 mine drilling television imager, its detection steps is:
Suitable section drill head installing hole 8 is selected, by TV probe 11 insertion probe mounting holes 8 in tunnel 21；Probe peace
Dress the bore diameter 32mm in hole 8, drilling depth 10m, TV probe mounting holes 8 is provided with five, TV probe mounting holes 8 points
It is not located at top board, left and right two spandrel and left and right two to help, wherein probe mounting holes I 31 and probe mounting holes II 32 level, probe peace
Dress hole III 33 and probe mounting holes IV 34 are with the horizontal 45 ° of angles, and probe mounting holes V 35 is vertical.Hole flushing is carried out after pore-forming,
With clear water circulation flushing probe mounting holes 8, till water is clear, when water source inconvenience, can add in medicine carrys out Purge holes dirty
Water.
TV probe 11 is slowly inserted in probe mounting holes 8, by country rock surface at the bottom of hole, carries out the record of hole implosion form panorama
Picture registered depth, rupture event and corresponding time, borehole television probe 11 real-time pictures can be by being positioned at the colour in tunnel 2
Monitor 12 shows, and spies on interpretation standard according to boring and determine damage envelope.
As shown in Figure 3, Figure 4, resistivity measurement uses Resitest-4000 resistivity tester and the hole of homemade band roller
Interior probe 9, its detection steps is:
Probe 9 in the hole of band roller is put into probe mounting holes 8, is measured by the electrode 13 being arranged on insulating support 14
Rockmass and the change of broken rock resistivity, resistivity situation shows on host 10 in real time, in the hole of homemade band roller
Probe 9 is driven rolling to advance by roller 15 probe mounting holes 8 in, traveling process has resilient conduction soft contact 16 and
The wall of a borehole fits tightly, and often step advance 0.2m measures once, record resistivity value and the degree of depth, until at the bottom of hole, using hole internal resistance
Rate value averaging method determines damage envelope.Before in the hole of band roller, probe puts into probe mounting holes, first install to probe
Blowing in hole 8, gas in tap, with anti-gas explosion.
As it is shown in figure 5, geologic radar detection uses SIR-3000 geologic radar detection equipment and applies the rod 18 of insulation mutually admittedly
The fixed 400MHz antenna 17 supported, its detection steps is:
Laying monitoring section in tunnel 21, the roof and floor and two at monitoring section is helped to arrange horizontal and vertical survey line, during measurement
400MHz antenna 17 being pressed against the country rock surface in tunnel 21, drags along measuring line, test result shows at geological radar main frame
On 19.Monitoring section is arranged at boring head 24 rear 20m, and each section meets head on to tunnel interval 2-5 days according to tunnel
Time supervision one is taken turns；
Although the detailed description of the invention of invention is described by the above-mentioned accompanying drawing that combines, but not limit to scope
System, one of ordinary skill in the art should be understood that on the basis of technical scheme, and those skilled in the art need not pay
Go out various amendments or deformation that creative work can make still within protection scope of the present invention.
Claims (4)
1. utilize deep laneway surrounding rock subregion to rupture the detection method of in-situ measurement system,
Deep laneway surrounding rock subregion ruptures in-situ measurement system and includes multipoint displacement meter, borehole television probe, color video monitor, institute
State multipoint displacement meter to be located in the displacement meter installing hole of tunnel monitor section, drawn respectively outside boring by seizing wire, to measure
The deformation of country rock at boring different depth, described borehole television probe is located in the TV probe mounting holes of tunnel monitor section, bores
Hole TV probe is connected with color video monitor；Described borehole television probe uses KDVJ-400 mine drilling television imager；
Deep laneway surrounding rock subregion ruptures in-situ measurement system and also includes resistivity tester, main frame, insulating support, roller, absolutely
Edge support is connected with roller, and resistivity tester is connected with main frame, and insulating support is popped one's head in being provided with hole, and insulating support is provided with
Electrode, electrode is provided with conduction soft contact, and in hole, probe is located in probe mounting holes；Deep laneway surrounding rock subregion ruptures on-the-spot spy
Examining system also includes geological radar main frame, antenna, and geological radar main frame is connected with antenna by insulation rod, antenna and tunnel
Country rock surface contacts；Described geological radar main frame uses SIR-3000 geological radar, and antenna uses 400MHz antenna；
It is characterized in that, detection method comprises the following steps:
1) move towards along tunnel to arrange some monitoring sections, complete end face construction, after completing roadway support, at each monitoring section cloth
Put the boring of some displacement meters, in displacement meter boring, multipoint displacement meter is installed；
2) in tunnel, select suitable section drill head installing hole, TV probe is inserted probe mounting holes；
3) popping one's head in TV and blow in shared probe mounting holes of popping one's head in the hole of band roller, gas in tap, band roller
Hole in probe put into probe mounting holes, by the determination of electrode rockmass being arranged on insulating support and broken rock resistance
The change of rate, resistivity situation shows in real time on main frame, and in the hole of band roller, probe is driven rolling by roller in probe mounting holes
Dynamic traveling, has resilient conduction soft contact and fits tightly with the wall of a borehole in traveling process, often step advance 0.2m measures once, note
Record resistivity value and the degree of depth, until at the bottom of hole, using hole internal resistance rate value averaging method to determine damage envelope；
4) laying monitoring section in tunnel, the roof and floor and two at monitoring section is helped to arrange horizontal and vertical survey line, during measurement
400MHz antenna being pressed against the country rock surface in tunnel, drags along measuring line, test result shows on geological radar main frame.
Utilize deep laneway surrounding rock subregion to rupture the detection method of in-situ measurement system the most as claimed in claim 1, it is characterized in that,
Described step 1) it is provided with five displacement meter installing holes at each monitoring section, the degree of depth of described displacement meter installing hole is 10m, boring
A diameter of 32mm, described displacement meter installing hole be respectively arranged on two tops shoulder, two help with top board at, wherein displacement meter installing hole I and position
Moving meter installing hole II level, displacement meter installing hole III and displacement meter installing hole IV are with the horizontal 45 ° of angles, displacement meter installing hole
V is vertical；Being provided with ten measuring points in each displacement meter installing hole, each measuring point is provided with a hole inner fixer, opens from surface, tunnel
Begin, arrange a measuring point every 1m, determine country rock different depth change in displacement rule.
Utilize deep laneway surrounding rock subregion to rupture the detection method of in-situ measurement system the most as claimed in claim 1, it is characterized in that,
Described step 2) the bore diameter 32mm of probe mounting holes, drilling depth 10m, probe mounting holes is provided with five, probe peace
Dress hole is respectively arranged on top board, left and right two spandrel and left and right two and helps, wherein probe mounting holes I and probe mounting holes II level, probe
Installing hole III and probe mounting holes IV are with the horizontal 45 ° of angles, and probe mounting holes V is vertical；
Clean after probe mounting holes processing；
Borehole television probe is slowly inserted in probe mounting holes, by country rock surface at the bottom of hole, carries out the record of hole implosion form panorama
Picture registered depth, rupture event and corresponding time, borehole television probe real-time pictures can be by being positioned at the colored supervision in tunnel
Device shows, and spies on interpretation standard according to boring and determine damage envelope.
Deep laneway surrounding rock subregion is utilized to rupture the detection method of in-situ measurement system the most as claimed in claim 1, its feature
It being, described step 4) monitoring section is arranged at the 20m of boring head rear, and each section is met head on driving interval according to tunnel
Within 2-5 days, time supervision one is taken turns.
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| CN201310320553.0A CN103389521B (en) | 2013-07-26 | 2013-07-26 | Deep laneway surrounding rock subregion ruptures in-situ measurement system and detection method |
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| CN201310320553.0A CN103389521B (en) | 2013-07-26 | 2013-07-26 | Deep laneway surrounding rock subregion ruptures in-situ measurement system and detection method |
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| CN103389521B true CN103389521B (en) | 2016-08-10 |
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| CN103744112B (en) * | 2014-01-13 | 2017-01-18 | 中国科学院武汉岩土力学研究所 | Tunnel microearthquake monitoring sensor arrangement and data collecting instrument connecting method |
| CN105093349A (en) * | 2014-05-19 | 2015-11-25 | 中国矿业大学 | Method for actually measuring growth and development rule of crack in tunnel roof |
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| CN106223931B (en) * | 2016-08-31 | 2023-05-02 | 中国平煤神马控股集团有限公司 | System and method for monitoring reserved coal pillar gob-side entry retaining floor crack development |
| CN108362195B (en) * | 2018-01-22 | 2019-06-28 | 中国矿业大学 | A kind of novel multi-point displacement meter of monitoring coal mine roadway deformation |
| CN108444423B (en) * | 2018-03-11 | 2020-01-14 | 宁海县交通集团有限公司 | Tunnel surrounding rock full-displacement measurement method for underpass highway |
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| CN110318795B (en) * | 2019-04-23 | 2020-12-18 | 安徽理工大学 | Coal mine tunnel surrounding rock deformation characteristic combined monitoring system and monitoring method |
| CN110849316A (en) * | 2019-11-29 | 2020-02-28 | 华北水利水电大学 | Method for quantitatively evaluating damage area based on surrounding rock deformation modulus test |
| CN111552008A (en) * | 2020-05-14 | 2020-08-18 | 重庆市能源投资集团科技有限责任公司 | Coal mine underground geologic structure drilling refinement all-dimensional detection method |
| CN111441826B (en) * | 2020-05-18 | 2021-03-30 | 中山大学 | Deep rock mass zone cracking monitoring device and method |
| CN111999781A (en) * | 2020-09-14 | 2020-11-27 | 山东科技大学 | Deep well roadway omnibearing surrounding rock structure dynamic measurement analysis method |
| CN112731384A (en) * | 2020-12-24 | 2021-04-30 | 南阳理工学院 | Drilling geological detection system and actual measurement method for comprehensive breaking angle and collapse form of overburden rock |
| CN113958367A (en) * | 2021-09-30 | 2022-01-21 | 河北钢铁集团沙河中关铁矿有限公司 | Underground mine soft rock roadway ground pressure safety early warning monitoring method |
| CN115163039B (en) * | 2022-06-09 | 2024-08-27 | 东北大学 | Deep soft rock drilling deformation cracking integrated non-contact monitoring device and method |
| CN115929408B (en) * | 2023-01-17 | 2023-09-19 | 河南理工大学 | Real-time monitoring system and method for coal mine roof fracture in tunneling process |
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| CN101694163A (en) * | 2009-10-14 | 2010-04-14 | 山东科技大学 | Determination method of deep tunnel roof support forms and support depth |
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| CN203414608U (en) * | 2013-07-26 | 2014-01-29 | 山东大学 | Deep roadway surrounding rock zonal disintegration on-site detection system |
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| US20060248948A1 (en) * | 2003-04-29 | 2006-11-09 | Roland Lenormand | Method for determining of the formation factor for a subterranean deposit from measurements on drilling waste removed therefrom |
| CN101694163A (en) * | 2009-10-14 | 2010-04-14 | 山东科技大学 | Determination method of deep tunnel roof support forms and support depth |
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