CN207437096U - A kind of anti-rock burst protective device of underground deep tunnel based on high-performance fiber plymetal - Google Patents
A kind of anti-rock burst protective device of underground deep tunnel based on high-performance fiber plymetal Download PDFInfo
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- CN207437096U CN207437096U CN201721391989.9U CN201721391989U CN207437096U CN 207437096 U CN207437096 U CN 207437096U CN 201721391989 U CN201721391989 U CN 201721391989U CN 207437096 U CN207437096 U CN 207437096U
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- Prior art keywords
- right angle
- backing plate
- angle backing
- fiber reinforced
- reinforced metal
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- 239000011435 rock Substances 0.000 title claims abstract description 59
- 230000001681 protective effect Effects 0.000 title claims abstract description 20
- 229920006253 high performance fiber Polymers 0.000 title claims abstract description 9
- 239000000835 fiber Substances 0.000 claims abstract description 44
- 229910052751 metal Inorganic materials 0.000 claims abstract description 36
- 239000002184 metal Substances 0.000 claims abstract description 36
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 32
- 239000010959 steel Substances 0.000 claims abstract description 32
- 229910001092 metal group alloy Inorganic materials 0.000 claims description 5
- 230000006378 damage Effects 0.000 description 6
- 238000005065 mining Methods 0.000 description 6
- 238000004873 anchoring Methods 0.000 description 4
- 239000002131 composite material Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 229910001069 Ti alloy Inorganic materials 0.000 description 2
- 230000001066 destructive effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000004079 fireproofing Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 210000003127 knee Anatomy 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
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- Lining And Supports For Tunnels (AREA)
Abstract
The utility model is related to a kind of anti-rock burst protective devices of the underground deep tunnel based on high-performance fiber plymetal, belong to technical field of mine safety.The present apparatus includes protection component, fixing component, connecting elements, protection component is the Fiber Reinforced Metal Laminates for splicing setting successively along roadway surrounding rock, fixing component includes inside right angle backing plate, outside right angle backing plate, steel nail, right angle backing plate in inside is arranged on the inside of Fiber Reinforced Metal Laminates side wall lower ends, right angle backing plate in outside is arranged on the outside of Fiber Reinforced Metal Laminates side wall lower ends, the level board of outside right angle backing plate is arranged below the level board of inside right angle backing plate, steel nail passes through the level board of inside right angle backing plate and the level board of outside right angle backing plate, Fiber Reinforced Metal Laminates pass through steel nail, inside right angle backing plate, right angle backing plate in outside is fixed on the ground of tunnel, connecting elements includes square junction steel plate, rivet, junction steel plate is arranged on the inside of the stitching portion of Fiber Reinforced Metal Laminates, rivet passes through junction steel plate and Fiber Reinforced Metal Laminates.
Description
Technical field
The utility model is related to a kind of anti-rock burst protective device of the underground deep tunnel based on high-performance fiber plymetal,
Belong to technical field of mine safety.
Background technology
With many Practical Project problems that China mine is gradually faced to deep mining, medium and deep high stress problem is just
It is a problem, crustal stress increases with the increase of depth, and deep high stress would potentially result in rock and destructive activity occurs,
Including the dynamic disaster as caused by excavating mining such as rock burst, landslide, roof fall.Rock burst is exactly one of wherein most important disaster.
Rock burst is that the power destruction disaster of lower generation is dominated in high-ground stress, be mining excavate make the balance of rock mass structure by
Assemble in the country rock formed to destruction, disturbance energy in excavation of digging up mine, develop, Rock Mass appearance is made to rupture, remove, burst,
The process that ejection etc. discharges suddenly.Stratum body is in natural balanced state before mining is not yet excavated, and mining causes ground after excavating
Stress forms " released load " to space release is excavated, causes surrouding rock deformation and stress concentration, generate disturbance energy.Work as rock mass
The disturbance energy of middle aggregation reaches high level, and is discharged suddenly when rupture occurs in country rock, just generates impact cutting
It is bad, i.e. rock burst.
Rock burst is frequent disaster in the deep tunnel of underground, when occurring because of it with it is difficult to predict and it is destructive big
Feature, to the very big security risk that constitutes of underground construction personnel and mechanical equipment, rock burst may cause to excavate lane when occurring
Seriously destruction, equipment damage and casualties, this problem in road are underground rock, mining engineering and rock mechanics field
Global problem.Sliver, no ejection phenomenon are only peeled off in slight rock burst, and general rock burst has differ in size, quantity to differ
Rock fragment ejected from roadway surrounding rock, it is serious occur ore deposit shake make tunnel landslide, roof fall, block tunnel.
The research history of rock burst had for more than halfth century, and domestic and foreign scholars propose the theory and theory of various rock bursts, but
Discussion and experience stage are remained in mostly, so far without forming the accurate understanding to Mechanism of Rockburst Occurred, therefore now cannot be from root
The generation of rock burst is prevented in sheet, does not also have the protective device for rock burst.
Utility model content
In view of the problems of the existing technology the utility model, provides a kind of underground based on high-performance fiber plymetal
The anti-rock burst protective device of deep tunnel, the device can be directed to metal mine underground different position, be enclosed in tunnel of different shapes
The ess-strain feature of rock, construction different-thickness, different shape, the anti-rock burst protection baffle of different mechanical properties, and can carry out
Baffle failtests is protected when rock burst occurs under the conditions of different depth and microseism, under the conditions of research consideration multifactor impact
Rock burst impact force intensity.
The utility model for solve its technical problem and the technical solution adopted is that:
A kind of anti-rock burst protective device of underground deep tunnel based on high-performance fiber plymetal, including protection component,
Fixing component, connecting elements, protection component is the Fiber Reinforced Metal Laminates for splicing setting successively along roadway surrounding rock, and fixing component includes
Inside right angle backing plate, outside right angle backing plate, steel nail, inside right angle backing plate are arranged on the inside of Fiber Reinforced Metal Laminates side wall lower ends,
Right angle backing plate in outside is arranged on the outside of Fiber Reinforced Metal Laminates side wall lower ends, and the level board of outside right angle backing plate is arranged on inside directly
Below the level board of knee plate, steel nail passes through the level board of inside right angle backing plate and the level board of outside right angle backing plate, fibers gold
Belong to laminate to be fixed on the ground of tunnel by steel nail, inside right angle backing plate, outside right angle backing plate, connecting elements includes square
Junction steel plate, rivet, junction steel plate is arranged on the inside of the stitching portions of Fiber Reinforced Metal Laminates, and rivet passes through junction steel plate and fiber
Plymetal.
The Fiber Reinforced Metal Laminates can according in different underground work conditions tunnel of different shapes and tunnel rock stratum should
Stress-strain degree is customized, and thickness can be formulated according to the size of rock burst impact force, and size shape can be according to transporting well
The convenient degree installed in lower tunnel is customized;
Inside right angle backing plate, outside right angle backing plate are metal alloy plate, have intensity height, are not easy by cycle disturbance
Deformation, reliability is high, corrosion-resistant, heat safe feature;Size, thickness and the quantity of inside right angle backing plate, outside right angle backing plate
With the size of steel nail to protecting the possible punching of baffle by the size and quality of Fiber Reinforced Metal Laminates protection baffle and when rock burst occurs
The amount of hitting is customized;
The steel plate, the material of rivet, size, shape, thickness and quantity are by the big of Fiber Reinforced Metal Laminates protection baffle
The protection possible buckles of baffle seam crossing are customized when small and shape and generation rock burst;
The Fiber Reinforced Metal Laminates(FMLs)It is by metal(Aluminium alloy, titanium alloy)Thin plate and fiber composite layer alternating
Laying, a kind of interply hybrid composites cured under certain temperature and pressure are also referred to as super to mix laminate;With good
Good mechanical property:High specific strength and specific stiffness, excellent fatigue behaviour and high damage tolerance, low-density and high resiliency mould
It measures and there is preferable toughness, corrosion resistance, yield strength are high, fireproofing and heat resistant.It can be good at preventing sillar when rock burst occurs
Or the impact force that brings of rock debris ejection, make that the personal safety of underground work personnel is protected, working equipment is protected;
The fixing component use high intensity metal alloy plate, can anchoring fiber plymetal, reach stable shape
State can also improve the security of entire protective device;
The connecting elements can connect anchoring fiber plymetal protection baffle, stable state be reached, so as to indirectly
The security for improving entire protective device;
The beneficial effects of the utility model:
(1)The utility model protective device can targetedly customize suitable protective device under various circumstances, in rock
Outburst protects personal safety, Plant in good condition when raw;
(2)The utility model protective device, which can smoothly transport the component of whole device in underworkings, is pacified
Dress, construction period is short, can rapidly erect protecting platform relatively;
(3)The utility model protective device is detachable, can be according to actual demands of engineering transfer equipment device.Have what is be directed to
It is arranged in tunnel to easily sending out rock burst;
(4)The utility model protective device according to engineering reality can make, and have good mechanical property,
Service life is long, not only cost-saved, but also can improve security.
Description of the drawings
Fig. 1 is the dimensional structure diagram of the anti-rock burst protective device of embodiment underground deep tunnel;
Fig. 2 is the front view of the anti-rock burst protective device of embodiment underground deep tunnel;
Fig. 3 is the left view of the anti-rock burst protective device of embodiment underground deep tunnel;
Fig. 4 is embodiment fixing component assembling schematic diagram;
Fig. 5 is embodiment connecting elements assembling schematic diagram;
In figure:1- Fiber Reinforced Metal Laminates, square backing plate on the inside of 2-, square backing plate on the outside of 3-, 4- steel nails, 5- tunnels
Face, 6- rivets, 7- roadway surrounding rocks, 8- steel plates.
Specific embodiment
With reference to embodiment, the utility model is described in further detail.
Embodiment 1:As shown in Fig. 1 ~ 5, a kind of anti-rock burst of underground deep tunnel based on high-performance fiber plymetal is protected
Protection unit, including protection component, fixing component, connecting elements, protection component is the fiber for splicing setting successively along roadway surrounding rock 7
Plymetal 1, fixing component include inside right angle backing plate 2, outside right angle backing plate 3, steel nail 4, and inside right angle backing plate 2 is arranged on fibre
The inside of 1 side wall lower ends of plymetal is tieed up, outside right angle backing plate 3 is arranged on the outside of 1 side wall lower ends of Fiber Reinforced Metal Laminates, outside
The level board of right angle backing plate 3 is arranged below the level board of inside right angle backing plate 2, and steel nail 4 passes through the level of inside right angle backing plate 2
The level board of plate and outside right angle backing plate 3, Fiber Reinforced Metal Laminates 1 pass through steel nail 4, inside right angle backing plate 2, outside right angle backing plate 3
It is fixed on tunnel ground 5, connecting elements includes square junction steel plate 8, rivet 6, and junction steel plate 8 is arranged on fibers gold
On the inside of the stitching portion for belonging to laminate 1, rivet 6 passes through junction steel plate 8 and Fiber Reinforced Metal Laminates 1.
Inside right angle backing plate 2, outside right angle backing plate 3 in the present embodiment are the carbon steel metal alloy sheets of high intensity.
Construction method:
Outside square backing plate 3 is padded below when Fiber Reinforced Metal Laminates 1 is disposed to protect baffle, places fibre metal
3 correspondence position of square backing plate places inside square backing plate 2 on the outside after the protection baffle of laminate 1, is bonded side fibre metal
Laminate 1 protects baffle and lower outside square backing plate 3, and steel nail 4 is passed through the level board of inside right angle backing plate 2 and outside right angle
The level board of backing plate 3 is simultaneously pounded to inside the rock stratum on tunnel ground 5;Baffle is protected to anchoring fiber plymetal 1, reaches it
To stable state, the security of entire protective device is improved;
After two pieces of 1 alignment of Fiber Reinforced Metal Laminates are reinforced with fixing component, junction steel plate 8 is put into two pieces of fiber metals
Then 1 baffle joining place both ends of plate squeeze into rivet 6 and carry out 6 reinforcing of riveting;To connect the protection gear of anchoring fiber plymetal 1
Plate reaches stable state, improves the security of entire protective device;
The Fiber Reinforced Metal Laminates of the utility model can be according in different underground work conditions tunnel of different shapes and tunnel
The ess-strain degree of rock stratum is customized, and thickness can be formulated according to the size of rock burst impact force, and size shape can basis
The convenient degree installed in underworkings is transported to be customized;Fiber Reinforced Metal Laminates(FMLs)It is by metal(Aluminium alloy,
Titanium alloy)Thin plate and fiber composite layer alternating laying, a kind of interlayer cured under certain temperature and pressure mix
Miscellaneous composite material is also referred to as super to mix laminate;With good mechanical property:High specific strength and specific stiffness, excellent fatigue behaviour
And high damage tolerance, low-density and high elastic modulus and with preferable toughness, corrosion resistance, yield strength be high, fire prevention
It is heat-resisting.It can be good at preventing the impact force that sillar or rock debris ejection are brought when rock burst occurs, make underground work personnel's
Personal safety is protected, working equipment is protected;
The inside right angle backing plate, outside right angle backing plate of the utility model are metal alloy plate, have intensity high, are cycled
Disturbance is unlikely to deform, and reliability is high, corrosion-resistant, heat safe feature;Size, the thickness of inside right angle backing plate, outside right angle backing plate
Degree and quantity and the size of steel nail are by the size and quality of Fiber Reinforced Metal Laminates protection baffle and when occurring rock burst to protecting baffle
Possible buckles are customized;
The steel plate of the utility model, the material of rivet, size, shape, thickness and quantity are protected by Fiber Reinforced Metal Laminates
The protection possible buckles of baffle seam crossing are customized when the size and shape of baffle and generation rock burst.
Specific embodiment of the utility model is explained in detail above in conjunction with attached drawing, but the utility model and unlimited
In above-described embodiment, within the knowledge of a person skilled in the art, the utility model can also not departed from
Various changes can be made on the premise of objective.
Claims (2)
1. a kind of anti-rock burst protective device of underground deep tunnel based on high-performance fiber plymetal, it is characterised in that:Including
Component, fixing component, connecting elements are protected, protection component is along roadway surrounding rock(7)Splice the Fiber Reinforced Metal Laminates of setting successively
(1), fixing component include inside right angle backing plate(2), outside right angle backing plate(3), steel nail(4), inside right angle backing plate(2)It is arranged on
Fiber Reinforced Metal Laminates(1)The inside of side wall lower ends, outside right angle backing plate(3)It is arranged on Fiber Reinforced Metal Laminates(1)Side wall lower ends
Outside, outside right angle backing plate(3)Level board be arranged on inside right angle backing plate(2)Level board below, steel nail(4)Through inside
Right angle backing plate(2)Level board and outside right angle backing plate(3)Level board, Fiber Reinforced Metal Laminates(1)Pass through steel nail(4), inside
Right angle backing plate(2), outside right angle backing plate(3)It is fixed at tunnel ground(5)On, connecting elements includes square junction steel plate
(8), rivet(6), junction steel plate(8)It is arranged on Fiber Reinforced Metal Laminates(1)Stitching portion on the inside of, rivet(6)Through junction steel plate
(8)And Fiber Reinforced Metal Laminates(1).
2. the anti-rock burst protective device of underground deep tunnel according to claim 1 based on high-performance fiber plymetal,
It is characterized in that:Inside right angle backing plate(2), outside right angle backing plate(3)It is metal alloy plate.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201721391989.9U CN207437096U (en) | 2017-10-25 | 2017-10-25 | A kind of anti-rock burst protective device of underground deep tunnel based on high-performance fiber plymetal |
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Application Number | Priority Date | Filing Date | Title |
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CN201721391989.9U CN207437096U (en) | 2017-10-25 | 2017-10-25 | A kind of anti-rock burst protective device of underground deep tunnel based on high-performance fiber plymetal |
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CN207437096U true CN207437096U (en) | 2018-06-01 |
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CN201721391989.9U Expired - Fee Related CN207437096U (en) | 2017-10-25 | 2017-10-25 | A kind of anti-rock burst protective device of underground deep tunnel based on high-performance fiber plymetal |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109750610A (en) * | 2019-03-22 | 2019-05-14 | 昆明理工大学 | One kind slipping stoneledge guard system and means of defence |
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2017
- 2017-10-25 CN CN201721391989.9U patent/CN207437096U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109750610A (en) * | 2019-03-22 | 2019-05-14 | 昆明理工大学 | One kind slipping stoneledge guard system and means of defence |
CN109750610B (en) * | 2019-03-22 | 2023-10-24 | 昆明理工大学 | Slide Dan Po protection system and protection method |
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Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180601 Termination date: 20191025 |