CN105909288A - Anti-rock burst wave-absorbing energy dissipation anchor pole - Google Patents
Anti-rock burst wave-absorbing energy dissipation anchor pole Download PDFInfo
- Publication number
- CN105909288A CN105909288A CN201610239614.4A CN201610239614A CN105909288A CN 105909288 A CN105909288 A CN 105909288A CN 201610239614 A CN201610239614 A CN 201610239614A CN 105909288 A CN105909288 A CN 105909288A
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- China
- Prior art keywords
- rock burst
- rod
- inhaled
- ripple
- anchor
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- 239000011435 rock Substances 0.000 title claims abstract description 82
- 230000021715 photosynthesis, light harvesting Effects 0.000 title abstract description 4
- 238000005265 energy consumption Methods 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 3
- 238000005336 cracking Methods 0.000 abstract description 15
- 230000006378 damage Effects 0.000 abstract description 3
- 230000033001 locomotion Effects 0.000 abstract 1
- 238000009412 basement excavation Methods 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000002265 prevention Effects 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
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000011534 incubation Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 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 the tunnel support technical field, and discloses an anti-rock burst wave-absorbing energy dissipation anchor pole comprising an anchor head, a wave-absorbing damper, a rod body, a tray and a fastener; the wave-absorbing damper is connected between the anchor head and the rod body; when the rod body axially moves relative to the anchor head, the wave-absorbing damper can move to resist the rod body motions, thus restoring initial state of the rod body. The anti-rock burst wave-absorbing energy dissipation anchor pole can prevent rock cracking, tension damages and rock burst, can prevent rock burst, and can limit the rock burst scale.
Description
Technical field
The present invention relates to Roadway Support Technology field, inhale ripple energy-consumption anchor rod particularly to a kind of anti-rock burst.
Background technology
Suspension roof support is a kind of support pattern the most frequently used during Underground Space Excavation, safeguards that country rock is steady
Fixed effect.
When buried depth is very big and crustal stress is high, excavation off-load easily induces rock burst hazard.Rock burst preparation process
The most actively reducing rock mass cracking development in if, rock mass can progressively ftracture or even form block, when in rock mass
Rock burst is easily there is when energy discharges suddenly.During country rock generation rock burst under non-support state, on the one hand meeting
Split hollow out between eject the great block of speed.Conventional anchor pole such as pipe seam formula and twisted steel anchor rod, often
, during surrouding rock deformation, there is plastic deformation or even yield failure in the impact of Chang Wufa reply rock burst.
On the other hand, the vibration such as rock burst and explosion can produce the huge sound and disturbance, causes further destruction,
Also can may again induce rock burst.
What current Energy depletion support design was often paid attention to is resistivity after rock burst occurs, and is not specifically designed for pregnant
Educate the means of defence of process；By time, the most not yet have the opposing material of strong rock burst on active and structure.
Summary of the invention
The present invention provides a kind of anti-rock burst to inhale ripple energy-consumption anchor rod, and solving cannot active dissipation in prior art
Rock mass gathers strength, and supporting reliability is the highest, anti-rock burst vibration and the technical problem of disturbance degraded performance.
For solving above-mentioned technical problem, the invention provides a kind of anti-rock burst and inhale ripple energy-consumption anchor rod, including:
Anchor head, suction wave attenuator, the body of rod, pallet and securing member；
Described suction wave attenuator is connected between described anchor head and the described body of rod；
Wherein, when the most described anchor head of the described body of rod moves axially, described suction wave attenuator action, support
The anti-described body of rod moves and does work and makes described anchor pole restPose.
Further, described suction wave attenuator includes: inhales ripple spring, expansion link and stretches described in being positioned at
The spacing base at contracting bar two ends；
Described suction ripple spring housing is connected on outside described expansion link, and two ends are resisted against on described spacing base；
Described spacing base is fixedly linked with the described body of rod and described anchor head respectively.
Further, described anchor head includes: screw thread shaft；
Described screw thread shaft is connected with described 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, and ripple energy-consumption anchor rod is inhaled in the anti-rock burst described in employing.
Further, after the installation of ripple energy-consumption anchor rod is inhaled in described anti-rock burst, applied pre-by fastener actuation
Stress.The one or more technical schemes provided in the embodiment of the present application, at least have following technology effect
Fruit or advantage:
1, ripple energy-consumption anchor rod is inhaled in the anti-rock burst provided in the embodiment of the present application, in good time by inhaling wave attenuator
Absorb the stress wave that rock mass change produces, on the one hand avoid stress wave diffusion to cause the further cracking of rock mass,
On the other hand also it is avoided that stress wave disturbance country rock critical state, causes rock mass state occasionality cataclysm.
Antivibrator, in rock burst preparation process, by absorbing stress and cracking energy, can suppress rock excavation to unload
After lotus, country rock ruptures, and pulling open in suppression rock mass is bad, strengthens Surrounding Rock Strength, it is to avoid rock mass cracking is formed
Block, has advantages such as responding fast, high intensity and adaptivity.
2, ripple Energy depletion support method is inhaled in the anti-rock burst provided in the embodiment of the present application, uses above-mentioned suction ripple to consume
Energy anchor pole Shi Hanzhang, can strengthen rock mass strength to a certain extent.
Accompanying drawing explanation
Fig. 1 inhales the structural representation of ripple energy-consumption anchor rod for the anti-rock burst that the embodiment of the present invention provides.
Detailed description of the invention
The embodiment of the present application, by providing a kind of anti-rock burst to inhale ripple energy-consumption anchor rod, solves to neglect in prior art
Prevent depending on rock burst, especially think little of rock mass cracking, pull open the leading rock burst generations such as evil idea and stress disturbance
Factor, supporting reliability is the highest, anti-rock burst vibration and the technical problem of disturbance degraded performance；Reach
Absorb rock mass stress ripple, the energy of cracking process release, suppress rock burst cracking, the skill of prevention rock burst
Art effect.
For solving above-mentioned technical problem, the general thought of the embodiment of the present application offer technical scheme 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 with
And securing member；
Described suction wave attenuator is connected between described anchor head and the described body of rod；
Wherein, when the most described anchor head of the described body of rod moves axially, described suction wave attenuator action, support
The anti-described body of rod moves and does work and makes described anchor pole restPose.By foregoing it can be seen that
Stress wave is absorbed, it is to avoid stress wave causes cracking to aggravate, and avoids rock mass to face simultaneously by inhaling wave attenuator
Boundary's state disturbances, inhibits rock burst to a certain extent；Stress wave and cracking is absorbed at rock burst incubation period
Energy, greatly suppresses cracking, prevents rock burst to a certain extent.
In order to be better understood from technique scheme, below in conjunction with Figure of description and concrete reality
Technique scheme is described in detail by mode of executing, it should be understood that the embodiment of the present invention and embodiment
In specific features be the detailed description to technical scheme rather than to present techniques side
The restriction of case, in the case of not conflicting, the technical characteristic in the embodiment of the present application and embodiment can
To be mutually combined.
Seeing Fig. 1, ripple energy-consumption anchor rod is inhaled in the anti-rock burst of one that the embodiment of the present invention provides, including: anchor
7, wave attenuator 6, the body of rod 4, pallet 3 and securing member (1,2) are inhaled；
Described suction wave attenuator 6 is connected between described anchor head 7 and the described body of rod 4；
Wherein, when the described the most described anchor head of the body of rod 47 moves axially, described suction wave attenuator 6 moves
Make, resist the described body of rod 4 and move and do work and make the described body of rod 4 restPose.
When there is cracking, the body of rod 4 moves outside boring, pulls suction wave attenuator 6 action, absorbs
Cracking energy, suppresses cracking, strengthens rock mass strength；Inhale wave attenuator 7 action and absorb rock mass stress ripple,
Avoid the further cracking of rock mass.Rock burst preparation process suppresses rock mass pulls open bad, strengthen rock mass
Intensity, the generation of prevention rock burst.Inhale wave attenuator and absorb a certain amount of stress wave, it is to avoid stress wave is disturbed
Dynamic disaster, the destruction of opposing rock burst.
In concrete supporting construction, inhale ripple energy-consumption anchor rod and may pass through wall rock loosening ring, broken in suppression rock mass
Split.Prevent it from inducing rock burst by absorbing certain Disturbance stress ripple.Even if rock burst occurs, can lead to
Crossing energy-dissipation structure power consumption, protection country rock and prop be not by impact failure.
Described suction wave attenuator 6 includes: inhales ripple spring, expansion link and is positioned at described expansion link two ends
Spacing base；Described suction ripple spring housing is connected on outside described expansion link, and two ends are resisted against the described spacing end
On seat；Described spacing base is fixedly linked with the described body of rod 4 and described anchor head respectively.
Described anchor head 7 includes: screw thread shaft；Described screw thread shaft is connected, separately with described pretective sleeve pipe
One end is arranged to fan-shaped homalocephalus.
Nut 1, packing ring 2, pallet 3, branch sleeve 5 and the body of rod 4, be all 22mm screw-thread steel anchor
Bar standard component.Anchor Agent 8 is resin or cement-roll Anchor Agent, meets supporting intensity.Stirring
Homalocephalus 7 is flat by screw thread body of rod pier is fan-shaped, and axial length is no less than 50mm, vertical axial side
To being more than 42mm.Inhale wave attenuator 6 and can use viscous damper, but need outside antivibrator to add
Stiffness spring.Left end has the female thread of M22, the right-hand member body of rod to be the external screw thread of M16.
Ripple Energy depletion support method is inhaled in a kind of anti-rock burst, uses described anti-rock burst to inhale ripple energy-consumption anchor rod.
Anchor pole requires to determine corresponding antivibrator, the anchoring of the screw thread body of rod in advance according to different rock burst designs
Length and body of rod total length.When tunnel construction, accomplish fluently boring, add Anchor Agent 8, insert anchor pole
And stir, then pallet 3, packing ring 2 and nut 1 are installed fastening successively.
After the installation of ripple energy-consumption anchor rod is inhaled in described anti-rock burst, by fastener actuation Shi Hanzhang.
It should be noted last that, above detailed description of the invention is only in order to illustrate technical scheme
And unrestricted, although the present invention being described in detail with reference to example, the ordinary skill people of this area
Member should be appreciated that and can modify technical scheme or equivalent, without deviating from
The spirit and scope of technical solution of the present invention, it all should be contained in the middle of scope of the presently claimed invention.
Claims (5)
1. ripple energy-consumption anchor rod is inhaled in an anti-rock burst, it is characterised in that including: anchor head, inhale wave attenuator,
The body of rod, pallet and securing member；
Described suction wave attenuator is connected between described anchor head and the described body of rod；
Wherein, when the most described anchor head of the described body of rod moves axially, described suction wave attenuator action, support
The anti-described body of rod moves and does work and makes described anchor pole restPose.
Ripple energy-consumption anchor rod is inhaled in anti-rock burst the most as claimed in claim 1, it is characterised in that described suction ripple
Antivibrator includes: inhales ripple spring, expansion link and is positioned at the spacing base at described expansion link two ends；
Described suction ripple spring housing is connected on outside described expansion link, and two ends are resisted against on described spacing base；
Described spacing base is fixedly linked with the described body of rod and described anchor head respectively.
Ripple energy-consumption anchor rod is inhaled in anti-rock burst the most as claimed in claim 2, it is characterised in that described anchor head
Including: screw thread shaft；
Described screw thread shaft is connected with described suction wave attenuator, and the other end is arranged to fan-shaped homalocephalus.
4. ripple Energy depletion support method is inhaled in an anti-rock burst, it is characterised in that: use such as claim 3
Ripple energy-consumption anchor rod is inhaled in described anti-rock burst.
Ripple Energy depletion support method is inhaled in anti-rock burst the most as claimed in claim 4, it is characterised in that: described
After the installation of ripple energy-consumption anchor rod is inhaled in anti-rock burst, by fastener actuation Shi Hanzhang.
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 true CN105909288A (en) | 2016-08-31 |
| CN105909288B 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) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108060936A (en) * | 2017-12-15 | 2018-05-22 | 杭州富阳鸿祥技术服务有限公司 | 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 |
| CN109642838A (en) * | 2016-06-21 | 2019-04-16 | 警报技术有限公司 | A kind of sensing device of rock-bolt |
| 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 (6)
| 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 |
| US20090191005A1 (en) * | 2008-01-28 | 2009-07-30 | Frank Schmidt | Ground anchor or rock anchor with an anchor tension member comprised of one or more individual elements with corrosion-protected anchor head design |
| 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 |
-
2016
- 2016-04-18 CN CN201610239614.4A patent/CN105909288B/en active Active
Patent Citations (6)
| 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 |
| US20090191005A1 (en) * | 2008-01-28 | 2009-07-30 | Frank Schmidt | Ground anchor or rock anchor with an anchor tension member comprised of one or more individual elements with corrosion-protected anchor head design |
| 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 |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109642838A (en) * | 2016-06-21 | 2019-04-16 | 警报技术有限公司 | A kind of sensing device of rock-bolt |
| CN109642838B (en) * | 2016-06-21 | 2021-02-09 | 警报技术有限公司 | Sensing device of rock anchor rod |
| CN108060936A (en) * | 2017-12-15 | 2018-05-22 | 杭州富阳鸿祥技术服务有限公司 | 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105909288B (en) | 2018-05-04 |
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| CB03 | Change of inventor or designer information |
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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