CN110424388A - Shock-resistant modular anchoring device - Google Patents
Shock-resistant modular anchoring device Download PDFInfo
- Publication number
- CN110424388A CN110424388A CN201910730696.6A CN201910730696A CN110424388A CN 110424388 A CN110424388 A CN 110424388A CN 201910730696 A CN201910730696 A CN 201910730696A CN 110424388 A CN110424388 A CN 110424388A
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- China
- Prior art keywords
- anchor
- rod body
- anchor rod
- quake
- original part
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/20—Securing of slopes or inclines
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/74—Means for anchoring structural elements or bulkheads
- E02D5/76—Anchorings for bulkheads or sections thereof in as much as specially adapted therefor
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention relates to the technical field of slope anchoring devices, in particular to a shock-resistant modular anchoring device which comprises an anchor rod body, wherein the anchor rod body is of a hollow structure and comprises an anchoring section and a free section, a plurality of impedance elements are arranged on the free section, a latex film is sleeved on the anchor rod body between every two adjacent impedance elements, an elastic sealing space for containing grouting body is arranged between the latex film and the anchor rod body, and a preformed hole for communicating the interior of the anchor rod body with the elastic sealing space is arranged on the anchor rod body sleeved with the latex film; according to the technical scheme, the rubber impedance element is preset between the free section grouting bodies to serve as a shock absorber, so that the energy dissipation capability of the anchor rod-grouting body-impedance element during uncoordinated movement under instantaneous strong shock is improved, and further the overall shock resistance is improved.
Description
Technical field
The present invention relates to slope anchorage engineering device technique fields, and in particular to a kind of quake-proof type modularization anchor.
Background technique
Anchor is widely applied a kind of artificial enhancing technology in civil engineering industry, and it is unstable mainly to apply to optimization
Determine the globality on slope, and then control slope deformation, promotes its overall stability.When highlight lines region carries out slope anchorage,
The mode for generalling use partial-length anchoring is provided using anchoring section and stablizes drag, can produce deformation using free segment to subtract
Lightly shake adverse effect when causing anchoring system asynergic movement.However under highlight lines region, instantaneous severe earthquake action freely
Section increases the failure risk that free segment anchor pole is broken under macroseism there are apparent stress concentration.In addition, relying on free segment merely
The energy dissipation capability that deformation provides is limited, is unfavorable for the safety that highlight lines region upgrade a slope bears multiple potential complications effect
Performance.Although existing multistage sticking failure reduces the influence of stress concentration using multiple anchoring sections, using routine
When multistage bonds scheme, since the interaction mechanism of slurries during slip casting and periphery Rock And Soil is complicated, it is unfavorable for refining
Splitting degree caused by slip casting is controlled, conventional scheme slip casting may influence the globality of surrounding Rock And Soil.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of quake-proof type modularization anchors, in normal tensile type anchor pole
On the basis of improve, free segment using latex film formed package injecting cement paste, limit slip casting during slabbing action
It avoids influencing periphery Rock And Soil integrality, and presets rubber impedance original part as damper between free segment injecting cement paste, promote wink
Energy dissipation capability between Shi Qiangzhen lower bolt-grouting body-impedance original part when asynergic movement, and then promote whole vibration strength
Energy.
In order to solve the above technical problem, the present invention provides a kind of quake-proof type modularization anchor, including anchor rod body,
The anchor rod body be hollow structure, the anchor rod body include be anchored at the anchoring section of foot of hole and in drilling from
By section, the free segment is equipped with multiple impedance original parts with damping effect, the anchor rod body between adjacent impedance original part
On be arranged with latex film for wrapping up grouting body, be equipped between latex film and anchor rod body for accommodating the elastic close of grouting body
Space is sealed, is arranged the anchor rod body of latex film equipped with the preformed hole for being connected to inside anchor rod body with elastic packing space.
Since anchor rod body includes anchoring section and free segment, anchoring section is using conventional grouting mode, in the bottom shape of drilling
At, later after anchoring section grout cures molding after, carry out secondary construction, using grouting equipment to the internal pressurization of anchor rod body infuse
Slurry selects the foaming slurries with some strength as injecting paste material, and pressurized slurry overflows along preformed hole and enters elasticity at this time
In sealing space, latex film is propped up until the injecting cement paste of volume expansion to package withstands drill hole inner wall and impedance original part, in order to keep away
Exempt from slurry reflux and shut the exposed grouting port of hollow structure anchor rod body, it is ensured that slurries form stable grouting body.
Secondly, volume expansion during foaming is grout curing, further increases and the contact of drill hole inner wall and impedance original part
Power improves package grouting body and resists the ability of " grouting body-anchoring body " and " grouting body-basement rock " interface with respect to the changing of the relative positions, in turn
The anchoring property of anchoring body is promoted, and is " the free mixing section of anchoring-" by the free segment cutting of single length, is reduced under macroseism
Single degree of freedom section stress concentrates the risk that may cause anchor pole destruction.When earthquake occurs, anchor system difference component generates opposite
When displacement, the impedance original part between grouting body is wrapped up to realize dissipation of energy by compression, promotes the shatter-proof of integral fastening system
Ability.
Further, since realizing the package to injection pressure expansion slurries using latex film, slurries injection process is limited
The slabbing action of ground around is alleviated while promoting anchoring body entirety earthquake-proof function to Rock And Soil around the wall of a borehole
Disturbance, be more suitable for unstable slope loose after shaking to broken or joint compared with development and highly seismic region and reinforce.
To sum up, using the anchor pole of hollow structure, preformed hole, latex film and pressure expansion slurries, in normal tensile type part
Second consolidation reinforcement is realized on the basis of length Grouted bolt, forms novel quake-proof type anchor pole.It is constructed shape by the above method
At " the free mixing section of anchoring-" of package grouting body and the combination of rubber impedance original part interval, in the anchoring for ensuring anchor system
Except energy, alleviates single length free segment stress under macroseism and concentrate the risk that may cause anchor pole destruction.Due to rubber impedance
The presence of original part is generated between package grouting body, impedance original part and each component of anchor pole and is not assisted when anchor system is by seismic force effects
Modulation shape stress provides damping force since there are certain elastoplasticity for rubber impedance original part for asynergic movement, with conventional anchor
Bar also improves the ability of energy dissipation compared to not only increasing anchor force, optimizes the quake-proof type performance of anchor pole
Preferably, in order to guarantee the sealing effect of latex film, between the both ends of the latex film and the anchor rod body
Sealing bonding.
Specifically, the both ends of latex film to be fixed on to the surface of anchor rod body using High-strength adhesive.
Preferably, in order to improve the drainage effect of grouting, the preformed hole along the anchor rod body axis
It is symmetrically arranged with two.
Preferably, the impedance original part is rubber impedance original part.
Preferably, the rubber impedance original part using mold and passes through heat ductile forming for rubber impedance original part and anchor
Bar integration processes to form entirety.
Preferably, the rubber impedance original part is ring structure.
Preferably, the impedance original part is four.
Preferably, further include anchor head for fixing anchor bar.
Preferably, in order to realize to the slip casting inside anchor rod body, the anchor rod body stretches out one end of drilling
Equipped with the grouting port for slip casting inside the anchor rod body.
Preferably, in order to realize preferable damping effect, the impedance original part along free segment length direction
Spaced set.
A kind of quake-proof type modularization anchor by adopting the above technical scheme the utility model has the advantages that since anchor rod body includes
Anchoring section and free segment, anchoring section are formed using conventional grouting mode in the bottom of drilling, later to anchoring section grout cures at
After type, secondary construction is carried out, the foaming with some strength is selected in the internal pressurization slip casting using grouting equipment to anchor rod body
Slurries are as injecting paste material, and pressurized slurry overflows along preformed hole and enters in elastic packing space at this time, prop up latex film until
The injecting cement paste of volume expansion to package withstands drill hole inner wall and impedance original part, in order to avoid slurry reflux shuts hollow structure anchor pole
The exposed grouting port of the body of rod, it is ensured that slurries form stable grouting body.
Secondly, volume expansion during foaming is grout curing, further increases and the contact of drill hole inner wall and impedance original part
Power improves package grouting body and resists the ability of " grouting body-anchoring body " and " grouting body-basement rock " interface with respect to the changing of the relative positions, in turn
The anchoring property of anchoring body is promoted, and is " the free mixing section of anchoring-" by the free segment cutting of single length, is reduced under macroseism
Single degree of freedom section stress concentrates the risk that may cause anchor pole destruction.When earthquake occurs, anchor system difference component generates opposite
When displacement, the impedance original part between grouting body is wrapped up to realize dissipation of energy by compression, promotes the shatter-proof of integral fastening system
Ability.
Further, since realizing the package to injection pressure expansion slurries using latex film, slurries injection process is limited
The slabbing action of ground around is alleviated while promoting anchoring body entirety earthquake-proof function to Rock And Soil around the wall of a borehole
Disturbance, be more suitable for unstable slope loose after shaking to broken or joint compared with development and highly seismic region and reinforce.
To sum up, using the anchor pole of hollow structure, preformed hole, latex film and pressure expansion slurries, in normal tensile type part
Second consolidation reinforcement is realized on the basis of length Grouted bolt, forms novel quake-proof type anchor pole.It is constructed shape by the above method
At " the free mixing section of anchoring-" of package grouting body and the combination of rubber impedance original part interval, in the anchoring for ensuring anchor system
Except energy, alleviates single length free segment stress under macroseism and concentrate the risk that may cause anchor pole destruction.Due to rubber impedance
The presence of original part is generated between package grouting body, impedance original part and each component of anchor pole and is not assisted when anchor system is by seismic force effects
Modulation shape stress provides damping force since there are certain elastoplasticity for rubber impedance original part for asynergic movement, with conventional anchor
Bar also improves the ability of energy dissipation compared to not only increasing anchor force, optimizes the quake-proof type performance of anchor pole.
Detailed description of the invention
Fig. 1 is initial mounting state schematic diagram of the invention；
Fig. 2 is the cross-sectional view in Fig. 1 at A-A；
Fig. 3 is schematic diagram after artificial reinforcement of the invention；
Fig. 4 is the cross-sectional view in Fig. 3 at B-B.
Wherein: anchor rod body 1；Anchoring section 1.1；Free segment 1.2；Rubber impedance original part 2；Latex film 3；Preformed hole 4；Drilling
5；Anchor head 6；Be in the milk body 7.
Specific embodiment
Further explanation of the technical solution of the present invention with reference to the accompanying drawings and examples:
Embodiment 1:
As Figure 1-Figure 4, the present embodiment provides a kind of quake-proof type modularization anchor, including anchor rod body 1, anchor rod bodies
1 is hollow structure, and anchor rod body 1 includes the anchoring section 1.1 for being anchored at 5 bottoms of drilling and the free segment 1.2 in drilling 5,
Free segment 1.2 is equipped with multiple rubber impedance original parts 2 with damping effect, the anchor pole between adjacent rubber impedance original part 2
It is arranged with the latex film 3 for wrapping up grouting body 7 on the body of rod 1, is equipped between latex film 3 and anchor rod body 1 for accommodating grouting
The elastic packing space of body 7, the anchor rod body 1 for being arranged latex film 3 are equipped with for being connected to 1 inside of anchor rod body and elastic packing
The preformed hole 4 in space.
In order to realize to the slip casting inside anchor rod body 1, it is anchor rod body 1 that one end that anchor rod body 1 stretches out drilling 5, which is equipped with,
The grouting port of internal slip casting, in order to realize preferable damping effect, rubber impedance original part 2 along free segment 1.2 length direction
Spaced set.
Since anchor rod body 1 includes anchoring section 1.1 and free segment 1.2, anchoring section 1.1 is being bored using conventional grouting mode
The bottom in hole 5 is formed, and later after the molding of 1.1 grout cures of anchoring section, secondary construction is carried out, using grouting equipment to anchor pole bar
The internal pressurization slip casting of body 1 selects the foaming slurries with some strength as injecting paste material, and pressurized slurry is along preformed hole at this time
4 overflow and enter in elastic packing space, prop up latex film 3 until the injecting cement paste of volume expansion to package withstands 5 inner walls of drilling
With rubber impedance original part 2, in order to avoid slurry reflux shuts the exposed grouting port of hollow structure anchor rod body 1, it is ensured that slurries shape
At stable grouting body 7.
Secondly, volume expansion during foaming is grout curing, further increases and 5 inner walls of drilling and rubber impedance original part 2
Contact force, improve package grouting body 7 and resist " grouting body 7- anchoring body " and " be in the milk body 7- basement rock " interface with respect to the changing of the relative positions
Ability, and then the anchoring property of anchoring body is promoted, and be " the free mixing section of anchoring-" by 1.2 cutting of the free segment of single length,
It reduces single 1.2 stress of free segment under macroseism and concentrates the risk that may cause anchor pole destruction.When earthquake occurs, anchor system is not
When generating relative displacement with component, the rubber impedance original part 2 between grouting body 7 is wrapped up to realize dissipation of energy by compression, is mentioned
Rise the shatter-proof ability of integral fastening system.
Further, since realizing the package to injection pressure expansion slurries using latex film 3, slurries injection process is limited
To the slabbing action of ground around, while promoting anchoring body entirety earthquake-proof function, alleviate to Rock And Soil around 5 walls of drilling
Disturbance, be more suitable for unstable slope loose after shaking to broken or joint compared with development and highly seismic region and reinforce.
To sum up, using the anchor pole of hollow structure, preformed hole 4, latex film 3 and pressure expansion slurries, in normal tensile type portion
Second consolidation reinforcement is realized on the basis of point length Grouted bolt, forms novel quake-proof type anchor pole.It is constructed by the above method
" the free mixing section of anchoring-" for forming package grouting body 7 and the combination of the interval of rubber impedance original part 2, in the anchor for ensuring anchor system
Except solidity energy, alleviates single 1.2 stress of length free segment under macroseism and concentrate the risk that may cause anchor pole destruction.Due to rubber
The presence of glue impedance original part 2, when anchor system is by seismic force effects, between package grouting body 7, impedance original part and each component of anchor pole
It generates Incoordinate deformation stress and provides damping since there are certain elastoplasticity for rubber impedance original part 2 for asynergic movement
Power not only increases anchor force compared with conventional anchor pole and also improves the ability of energy dissipation, optimizes the quake-proof type of anchor pole
Energy.
In order to guarantee the sealing effect of latex film 3, sealing is Nian Jie between the both ends and anchor rod body 1 of latex film 3, specifically
, the both ends of latex film 3 are fixed on to the surface of anchor rod body 1 using High-strength adhesive.
Rubber impedance original part 2 is using mold and passes through heat ductile forming for the processing shape integrated with anchor pole of rubber impedance original part 2
It is integral.In the present embodiment, rubber impedance original part 2 is ring structure, and it further includes for fixing that rubber impedance original part 2, which is four,
The anchor head 6 of anchor pole.
Embodiment 2:
The present embodiment is to optimize restriction on the basis of above-described embodiment 1.
In order to improve the drainage effect of grouting, there are two preformed hole 4 is set along the axisymmetrical of anchor rod body 1.
This anchor pole is close with the anchor pole of normal tensile type partial-length slip casting when first installation, mainly by termination point of anchor rod
Locate slip casting and forms anchoring body, drag needed for providing enhancing slope stability with this.This anchor rod body 1 is hollow structure, and in anchor
Club shaft 1 is equipped with and is connected with inside preformed hole 4, and latex film 3 is set in the anchor pole bar between adjacent rubber impedance original part 2
1 surface of anchor rod body is fixed on body 1 and with high-strength adhesive by 3 both ends of latex film.Using mold and pass through heat ductile forming
It processes to form entirety by rubber impedance original part 2 is integrated with anchor pole.
Start artificial reinforcement operation after completing first installation.Cardinal principle is, to 1 internal pressurization slip casting of anchor rod body, slurry
After liquid stream enters and is full of in anchor rod body 1, overflowed from preformed hole 4, latex film 3 is strutted until expand withstand 5 inner walls of drilling and
After rubber impedance original part 2, package grouting body 7 is formed, using the frictional resistance of package grouting body 7 and drill 5 inner walls and anchor pole interface,
And the pressure between grouting body 7 and rubber impedance original part 2 is wrapped up to promote the anchor force of anchor pole.Due to individually wrapping up grouting body
There are rubber impedance original part 2 in 7 two sides, can be promoted and be anchored by the stress and deformation of rubber impedance original part 2 in seismic loading
The energy dissipation performance of body entirety enhances the earthquake-proof function of anchoring body entirety.For the Practical Project of different anchorage depth demands
Situation can use the combination in different 4 gaps of preformed hole, impedance original part size and rubber film thickness, realize and be directed to different works
The customization functions of modules of journey demand.
Using the anchor pole of hollow structure, preformed hole 4, latex film 3 and pressure expansion slurries, in normal tensile type partial-length
Second consolidation reinforcement is realized on the basis of Grouted bolt, forms novel quake-proof type anchor pole.It constructs to form packet by the above method
" the free mixing section of anchoring-" for wrapping up in grouting body 7 and the combination of the interval of rubber impedance original part 2, in the anchoring property for ensuring anchor system
Except, it alleviates single 1.2 stress of length free segment under macroseism and concentrates the risk that may cause anchor pole destruction.Due to rubber impedance
The presence of original part 2 generates not between package grouting body 7, impedance original part and each component of anchor pole when anchor system is by seismic force effects
Compatible deformation stress provides damping force since there are certain elastoplasticity for rubber impedance original part 2 for asynergic movement, and normal
Rule anchor pole also improves the ability of energy dissipation compared to not only increasing anchor force, optimizes the quake-proof type performance of anchor pole.
The above are merely the preferred embodiment of the present invention, it is noted that for those skilled in the art, not
Under the premise of being detached from structure of the invention, several modifications and improvements can also be made, these also should be considered as protection model of the invention
It encloses, these all will not influence the effect and patent practicability that the present invention is implemented.
Claims (10)
1. a kind of quake-proof type modularization anchor, it is characterised in that: including anchor rod body, the anchor rod body is hollow knot
Structure, the anchor rod body include the anchoring section for being anchored at foot of hole and the free segment in drilling, are set on the free segment
There are multiple impedance original parts with damping effect, is arranged on the anchor rod body between adjacent impedance original part for wrapping up grouting
The latex film of body is equipped with the elastic packing space for accommodating grouting body, is arranged latex film between latex film and anchor rod body
Anchor rod body is equipped with the preformed hole for being connected to inside anchor rod body with elastic packing space.
2. a kind of quake-proof type modularization anchor according to claim 1, it is characterised in that: the both ends of the latex film
It is sealed between the anchor rod body Nian Jie.
3. a kind of quake-proof type modularization anchor according to claim 1, it is characterised in that: the preformed hole is along institute
State anchor rod body axisymmetrical set there are two.
4. a kind of quake-proof type modularization anchor according to claim 1, it is characterised in that: the impedance original part is rubber
Glue impedance original part.
5. a kind of quake-proof type modularization anchor according to claim 4, it is characterised in that: the rubber impedance original part
It processes to form entirety by rubber impedance original part is integrated with anchor pole using mold and by heat ductile forming.
6. a kind of quake-proof type modularization anchor according to claim 4, it is characterised in that: the rubber impedance original part
For ring structure.
7. a kind of quake-proof type modularization anchor according to claim 1, it is characterised in that: the impedance original part is four
It is a.
8. a kind of quake-proof type modularization anchor according to claim 1, it is characterised in that: further include for fixing anchor
The anchor head of bar.
9. a kind of quake-proof type modularization anchor according to claim 1, it is characterised in that: the anchor rod body stretches out
The grouting port that one end of drilling is equipped with as slip casting inside the anchor rod body.
10. a kind of quake-proof type modularization anchor according to claim 1, it is characterised in that: impedance original part edge
Free segment equal spacing in length direction setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910730696.6A CN110424388B (en) | 2019-08-08 | 2019-08-08 | Shock-resistant modular anchoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910730696.6A CN110424388B (en) | 2019-08-08 | 2019-08-08 | Shock-resistant modular anchoring device |
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| Publication Number | Publication Date |
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| CN110424388A true CN110424388A (en) | 2019-11-08 |
| CN110424388B CN110424388B (en) | 2021-04-06 |
Family
ID=68413329
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910730696.6A Active CN110424388B (en) | 2019-08-08 | 2019-08-08 | Shock-resistant modular anchoring device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111945722A (en) * | 2020-07-31 | 2020-11-17 | 河海大学 | Multi-section series connection anti-seismic anchor rod for bridge and use method |
| CN117629312A (en) * | 2024-01-26 | 2024-03-01 | 四川川核地质工程有限公司 | Monitoring device and monitoring method for slope collapse |
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| JPH0959975A (en) * | 1995-08-24 | 1997-03-04 | Ground Eng Kk | Structure and execution method of anchor using no injection pipe |
| CN203655326U (en) * | 2014-01-06 | 2014-06-18 | 成都理工大学 | Liquid-expansion yielding shock and high ground temperature resistant anchor rod |
| CN204140106U (en) * | 2014-08-07 | 2015-02-04 | 山东科技大学 | The meticulous explosion grouted anchor bar of a kind of controlling |
| CN105239570A (en) * | 2015-09-30 | 2016-01-13 | 常州大学怀德学院 | Multi-bag type joint-expanded anchor rod and foundation pit supporting construction method |
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| CN207004554U (en) * | 2017-08-02 | 2018-02-13 | 中铁十四局集团第二工程有限公司 | A kind of multistage allows pressure grouting anchor pole |
| CN207609439U (en) * | 2017-12-21 | 2018-07-13 | 北京科技大学 | A kind of energy-absorbing-anti-seismic anchor rod |
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2019
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| JPH0959975A (en) * | 1995-08-24 | 1997-03-04 | Ground Eng Kk | Structure and execution method of anchor using no injection pipe |
| CN203655326U (en) * | 2014-01-06 | 2014-06-18 | 成都理工大学 | Liquid-expansion yielding shock and high ground temperature resistant anchor rod |
| CN204140106U (en) * | 2014-08-07 | 2015-02-04 | 山东科技大学 | The meticulous explosion grouted anchor bar of a kind of controlling |
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| CN105422150A (en) * | 2015-11-23 | 2016-03-23 | 浙江工业大学工程设计集团有限公司 | FRP sprinkling irrigation combined anchor bolt |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111945722A (en) * | 2020-07-31 | 2020-11-17 | 河海大学 | Multi-section series connection anti-seismic anchor rod for bridge and use method |
| CN117629312A (en) * | 2024-01-26 | 2024-03-01 | 四川川核地质工程有限公司 | Monitoring device and monitoring method for slope collapse |
| CN117629312B (en) * | 2024-01-26 | 2024-04-02 | 四川川核地质工程有限公司 | Monitoring device and monitoring method for slope collapse |
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| CN110424388B (en) | 2021-04-06 |
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