CN105909288B - Ripple energy-consumption anchor rod is inhaled in a kind of anti-rock burst - Google Patents
Ripple energy-consumption anchor rod is inhaled in a kind of anti-rock burst Download PDFInfo
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- CN105909288B CN105909288B CN201610239614.4A CN201610239614A CN105909288B CN 105909288 B CN105909288 B CN 105909288B CN 201610239614 A CN201610239614 A CN 201610239614A CN 105909288 B CN105909288 B CN 105909288B
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- rod
- rock burst
- anchor
- inhaled
- ripple
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- 239000011435 rock Substances 0.000 title claims abstract description 80
- 238000005265 energy consumption Methods 0.000 title claims abstract description 20
- 230000009471 action Effects 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 4
- 238000005336 cracking Methods 0.000 abstract description 15
- 238000005516 engineering process Methods 0.000 abstract description 3
- 230000002265 prevention Effects 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D21/00—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Joining Of Building Structures In Genera (AREA)
- Vibration Dampers (AREA)
Abstract
The invention belongs to Roadway Support Technology field, discloses a kind of anti-rock burst and inhales ripple energy-consumption anchor rod, including：Anchor head, inhale wave attenuator, the body of rod, pallet and fastener；The suction wave attenuator is connected between the anchor head and the body of rod；Wherein, when the relatively described anchor head of the body of rod moves axially, the suction wave attenuator action, resists the body of rod movement and doing work makes the body of rod restPose.The present invention provides a kind of support anchor rod that can be consumed energy by inhaling ripple, suppress rock mass cracking, pull open bad and rock burst, play the role of prevention rock burst and limit rock burst scale at the same time.
Description
Technical field
The present invention relates to Roadway Support Technology field, ripple energy-consumption anchor rod is inhaled in more particularly to a kind of anti-rock burst.
Background technology
Suspension roof support is most common a kind of support pattern during Underground Space Excavation, there is the work for safeguarding adjoining rock stability
With.
When buried depth is very big and crustal stress is high, excavates off-load and easily induce rock burst hazard.If do not accumulated in rock burst preparation process
Rock mass cracking development is reduced in pole, and rock mass progressively can crack or even be formed block, easily be sent out when the energy in rock mass discharges suddenly
Raw rock burst.When rock burst occurs for the country rock under non-support state, the great block of speed is ejected between on the one hand split hollowing out.Often
The anchor pole of rule such as pipe seam formula and twisted steel anchor rod, can not usually tackle the impact of rock burst, during surrouding rock deformation, occur moulding
Deformation or even yield failure.On the other hand, the vibration such as rock burst and explosion can produce the huge sound and disturbance, cause further
Destroy, can also may again induce rock burst.
What current Energy depletion support design was often paid attention to is resistivity after rock burst occurs, not specifically for preparation process
Means of defence；By when, at present there has been no resistance strong rock burst on active material and structure.
The content of the invention
The present invention provides a kind of anti-rock burst and inhales ripple energy-consumption anchor rod, and solving in the prior art can not active dissipation rock mass accumulation energy
Amount, supporting reliability is not high, the technical problem of anti-rock burst vibration and disturbance degraded performance.
In order to solve the above technical problems, the present invention provides a kind of anti-rock burst to inhale ripple energy-consumption anchor rod, including：Anchor head, inhale ripple
Damper, the body of rod, pallet and fastener；
The suction wave attenuator is connected between the anchor head and the body of rod；
Wherein, when the relatively described anchor head of the body of rod moves axially, the suction wave attenuator action, resists the body of rod and moves
Moving and doing work makes the anchor pole restPose.
Further, the suction wave attenuator includes：Inhale ripple spring, telescopic rod and the limit positioned at the telescopic rod both ends
Position base；
The suction ripple spring is socketed in outside the telescopic rod, and both ends are resisted against in the limiting plate；
The limiting plate is fixedly linked with the body of rod and the anchor head respectively.
Further, the anchor head includes：Screw thread shaft；
The screw thread shaft is connected with the suction wave attenuator, and the other end is arranged to fan-shaped homalocephalus.
Ripple Energy depletion support method is inhaled in a kind of anti-rock burst, inhales ripple energy-consumption anchor rod using the anti-rock burst.
Further, after the installation of ripple energy-consumption anchor rod is inhaled in the anti-rock burst, prestressing force is applied by fastener actuation.The application
The one or more technical solutions provided in embodiment, have at least the following technical effects or advantages：
1st, ripple energy-consumption anchor rod is inhaled in the anti-rock burst provided in the embodiment of the present application, absorbs rock mass change in due course by inhaling wave attenuator
Change the stress wave produced, on the one hand avoid stress wave divergence from causing the further cracking of rock mass, be on the other hand also avoided that stress wave
Country rock critical condition is disturbed, causes rock mass state contingency cataclysm.Damper in rock burst preparation process, by absorb stress and
Cracking energy, country rock ruptures after can inhibit Rock Mass Unloading, and pulling open in suppression rock mass is bad, strengthens Surrounding Rock Strength, avoids rock
Body cracking forms block, has the advantages that fast response, high intensity and adaptivity.
2nd, ripple Energy depletion support method is inhaled in the anti-rock burst provided in the embodiment of the present application, is applied using above-mentioned suction ripple energy-consumption anchor rod
Prestressing force, can strengthen rock mass strength to a certain extent.
Brief description of the drawings
Fig. 1 is the structure diagram that ripple energy-consumption anchor rod is inhaled in anti-rock burst provided in an embodiment of the present invention.
Embodiment
The embodiment of the present application inhales ripple energy-consumption anchor rod by providing a kind of anti-rock burst, and it is pre- to solve ignorance rock burst in the prior art
It is anti-, especially think little of rock mass cracking, pull open the factor that the leading rock burst such as bad and stress disturbance occurs, supporting reliability is not high,
Anti- rock burst vibration and the technical problem of disturbance degraded performance；Reach and absorbed rock mass stress ripple, the energy of cracking process release, suppression
Rock burst cracking processed, prevents the technique effect of rock burst.
In order to solve the above technical problems, the general thought that the embodiment of the present application provides technical solution is as follows：
Ripple energy-consumption anchor rod is inhaled in a kind of anti-rock burst, including：Anchor head, inhale wave attenuator, the body of rod, pallet and fastener；
The suction wave attenuator is connected between the anchor head and the body of rod；
Wherein, when the relatively described anchor head of the body of rod moves axially, the suction wave attenuator action, resists the body of rod and moves
Moving and doing work makes the anchor pole restPose.Through the above as can be seen that absorbing stress wave by inhaling wave attenuator,
Avoid stress wave from causing cracking to aggravate, while avoid rock mass critical condition from disturbing, inhibit rock burst to a certain extent；In rock burst wine
The wine stage absorbs stress wave and cracking energy, greatly suppresses cracking, prevents rock burst to a certain extent.
In order to better understand the above technical scheme, in conjunction with appended figures and specific embodiments to upper
State technical solution to be described in detail, it should be understood that the specific features in the embodiment of the present invention and embodiment are to the application skill
The detailed description of art scheme, rather than the restriction to technical scheme, in the case where there is no conflict, the embodiment of the present application
And the technical characteristic in embodiment can be mutually combined.
Referring to Fig. 1, ripple energy-consumption anchor rod is inhaled in a kind of anti-rock burst provided in an embodiment of the present invention, including：Anchor head 7, inhale wave damping
Device 6, the body of rod 4, pallet 3 and fastener (1,2)；
The suction wave attenuator 6 is connected between the anchor head 7 and the body of rod 4；
Wherein, when the relatively described anchor head 7 of the body of rod 4 moves axially, the suction wave attenuator 6 acts, and resists the bar
Body 4, which is moved and done work, makes the body of rod 4 restPose.
When there is cracking, the body of rod 4 is moved to outside drilling, is pulled suction wave attenuator 6 to act, is absorbed cracking energy, suppresses
Cracking, strengthens rock mass strength；Inhale the action of wave attenuator 7 and absorb rock mass stress ripple, avoid the further cracking of rock mass.Bred in rock burst
During suppress rock mass in pull open it is bad, strengthen rock mass strength, prevent the generation of rock burst.Inhale wave attenuator and absorb a certain amount of answer
Reeb, avoids stress wave disturbance disaster, resists the destruction of rock burst.
In specific supporting construction, inhale ripple energy-consumption anchor rod and may pass through wall rock loosening ring, suppress to rupture in rock mass.Pass through absorption
Certain Disturbance stress ripple prevents it from inducing rock burst.It even if rock burst occurs, can be consumed energy by energy-dissipation structure, protect country rock and branch
Watch box is not by impact failure.
The suction wave attenuator 6 includes：Inhale ripple spring, telescopic rod and the limiting plate positioned at the telescopic rod both ends；
The suction ripple spring is socketed in outside the telescopic rod, and both ends are resisted against in the limiting plate；The limiting plate respectively with institute
State the body of rod 4 and the anchor head is fixedly linked.
The anchor head 7 includes：Screw thread shaft；The screw thread shaft is connected with the branch pretective sleeve pipe, and the other end is arranged to fan
Shape homalocephalus.
Nut 1, packing ring 2, pallet 3, branch sleeve 5 and the body of rod 4, are all 22mm twisted steel anchor rod standard components.Anchor Agent 8 is
Resin or cement-roll Anchor Agent, meet supporting intensity.It is flat to be fan-shaped by screw thread body of rod pier to stir homalocephalus 7, it is axial
Length is no less than 50mm, and vertical axial direction must not be more than 42mm.Inhale wave attenuator 6 and viscous damper, but damper can be used
Outside needs plus stiffness spring.Left end has the internal thread of M22, and the right end body of rod is the external screw thread of M16.
Ripple Energy depletion support method is inhaled in a kind of anti-rock burst, inhales ripple energy-consumption anchor rod using the anti-rock burst.
Anchor pole determines corresponding damper, screw thread body of rod anchorage length and the body of rod in advance according to different rock burst design requirements
Total length.In tunnel construction, drilling to be accomplished fluently, add Anchor Agent 8, insertion anchor pole simultaneously stirs, then by pallet 3, packing ring 2 and nut
1 installation fastening successively.
After the installation of ripple energy-consumption anchor rod is inhaled in the anti-rock burst, prestressing force is applied by fastener actuation.
It should be noted last that above embodiment is merely illustrative of the technical solution of the present invention and unrestricted,
Although the present invention is described in detail with reference to example, it will be understood by those of ordinary skill in the art that, can be to the present invention
Technical solution technical scheme is modified or replaced equivalently, without departing from the spirit and scope of technical solution of the present invention, it should all cover
Among scope of the presently claimed invention.
Claims (4)
1. ripple energy-consumption anchor rod is inhaled in a kind of anti-rock burst, it is characterised in that including：Anchor head, inhale wave attenuator, the body of rod, pallet and tight
Firmware；
The suction wave attenuator is connected between the anchor head and the body of rod；
Wherein, when the relatively described anchor head of the body of rod moves axially, the suction wave attenuator action, resists the body of rod movement simultaneously
Acting makes the anchor pole restPose；The suction wave attenuator includes：Inhale ripple spring, telescopic rod and positioned at described flexible
The limiting plate at bar both ends；
The suction ripple spring is socketed in outside the telescopic rod, and both ends are resisted against in the limiting plate；
The limiting plate is fixedly linked with the body of rod and the anchor head respectively.
2. ripple energy-consumption anchor rod is inhaled in anti-rock burst as claimed in claim 1, it is characterised in that the anchor head includes：Screw thread shaft；
The screw thread shaft is connected with the suction wave attenuator, and the other end is arranged to fan-shaped homalocephalus.
3. ripple Energy depletion support method is inhaled in a kind of anti-rock burst, it is characterised in that：Ripple consumption is inhaled using anti-rock burst as claimed in claim 2
Can anchor pole.
4. ripple Energy depletion support method is inhaled in anti-rock burst as claimed in claim 3, it is characterised in that：Ripple energy consumption anchor is inhaled in the anti-rock burst
After bar installation, prestressing force is applied by fastener actuation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610239614.4A CN105909288B (en) | 2016-04-18 | 2016-04-18 | Ripple energy-consumption anchor rod is inhaled in a kind of anti-rock burst |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610239614.4A CN105909288B (en) | 2016-04-18 | 2016-04-18 | Ripple energy-consumption anchor rod is inhaled in a kind of anti-rock burst |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105909288A CN105909288A (en) | 2016-08-31 |
| CN105909288B true CN105909288B (en) | 2018-05-04 |
Family
ID=56747084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610239614.4A Active CN105909288B (en) | 2016-04-18 | 2016-04-18 | Ripple energy-consumption anchor rod is inhaled in a kind of anti-rock burst |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105909288B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11131191B2 (en) * | 2016-06-21 | 2021-09-28 | Alert Technologies Inc. | Sensing device for a rock bolt |
| CN108060936B (en) * | 2017-12-15 | 2018-10-12 | 湖北省清江路桥建筑有限公司 | A kind of top opening type anchor pole |
| CN109555120A (en) * | 2018-12-05 | 2019-04-02 | 中铁二院工程集团有限责任公司 | A kind of prestressing force shock-resistant and energy-dissipating anchor pole |
| CN110258597A (en) * | 2019-07-15 | 2019-09-20 | 中南大学 | A method of it consumes energy for rock bolt shank damping |
| CN111962533A (en) * | 2020-07-31 | 2020-11-20 | 重庆大学 | Energy dissipation type pile anchor structure in strong seismic region and construction method thereof |
| CN113847064A (en) * | 2021-09-29 | 2021-12-28 | 山东大学 | Rock burst prevention supporting system and method for high-ground-stress fragile surrounding rock tunnel |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1055886A1 (en) * | 1982-04-28 | 1983-11-23 | Карагандинский Ордена Трудового Красного Знамени Политехнический Институт | Roof bolt |
| EP0364802B1 (en) * | 1988-10-08 | 1992-08-05 | Dyckerhoff & Widmann Aktiengesellschaft | Anchoring device for the tensioning rod of an anchor, particularly for a rock bolt |
| CN201908668U (en) * | 2010-11-16 | 2011-07-27 | 郭辉 | Novel tree-shaped anchor rod for mines |
| CN202325584U (en) * | 2011-11-29 | 2012-07-11 | 中国科学院武汉岩土力学研究所 | Buffering energy-consumption anchor rod tray |
| CN202936792U (en) * | 2012-11-05 | 2013-05-15 | 中国科学院武汉岩土力学研究所 | Expansion shell type internal anchor head pre-stressed anchor |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202008001248U1 (en) * | 2008-01-28 | 2008-03-27 | Dywidag-Systems International Gmbh | Earth anchor or rock anchor with an anchor draw link made of one or more individual elements with corrosion-protected anchor head formation |
-
2016
- 2016-04-18 CN CN201610239614.4A patent/CN105909288B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1055886A1 (en) * | 1982-04-28 | 1983-11-23 | Карагандинский Ордена Трудового Красного Знамени Политехнический Институт | Roof bolt |
| EP0364802B1 (en) * | 1988-10-08 | 1992-08-05 | Dyckerhoff & Widmann Aktiengesellschaft | Anchoring device for the tensioning rod of an anchor, particularly for a rock bolt |
| CN201908668U (en) * | 2010-11-16 | 2011-07-27 | 郭辉 | Novel tree-shaped anchor rod for mines |
| CN202325584U (en) * | 2011-11-29 | 2012-07-11 | 中国科学院武汉岩土力学研究所 | Buffering energy-consumption anchor rod tray |
| CN202936792U (en) * | 2012-11-05 | 2013-05-15 | 中国科学院武汉岩土力学研究所 | Expansion shell type internal anchor head pre-stressed anchor |
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|---|---|
| CN105909288A (en) | 2016-08-31 |
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Inventor after: Feng Xiating Inventor after: Zhao Yuemao Inventor after: Wang Zhaofeng Inventor after: Liu Jiguang Inventor before: Feng Xiating Inventor before: Zhao Rimao Inventor before: Wang Zhaofeng Inventor before: Liu Jiguang |
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