CN206635756U - A kind of recoverable anchor being used in side slope protection and actual architectural engineering - Google Patents
A kind of recoverable anchor being used in side slope protection and actual architectural engineering Download PDFInfo
- Publication number
- CN206635756U CN206635756U CN201720368394.5U CN201720368394U CN206635756U CN 206635756 U CN206635756 U CN 206635756U CN 201720368394 U CN201720368394 U CN 201720368394U CN 206635756 U CN206635756 U CN 206635756U
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- CN
- China
- Prior art keywords
- anchor
- anchor pole
- iron block
- side slope
- anchorage head
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- Piles And Underground Anchors (AREA)
Abstract
The utility model discloses a kind of recoverable anchor being used in side slope protection and actual architectural engineering, it includes anchor pole, the both ends of the anchor pole are all threaded end, one section of the anchor pole has been connected through a screw thread anchorage head, the anchorage head outer cover is equipped with positioning iron block, rotatable iron block is connected with by branch hinge and spring on anchorage head, locating slot is machined with the top of the rotatable iron block, the locating slot and positioning iron block are engaged positioning；The top of the anchorage head and rotatable iron block is covered with thin film；Carcass is set with the anchor pole on anchorage head top；The upper strata of the film has poured expansion cement slurry, and plain-water slurry has been poured on the upper strata of expansion cement slurry.Utilize common iron block and recoverable anchor rod so that construction cost of manufacture greatly reduces, there is provided the maximum anchor force needed for supporting, ensures the long-time stability and security of side slope and correlation engineering.
Description
Technical field
The field in side slope protection and actual architectural engineering is the utility model is related to, suitable for base pit engineering, mine working
Support engineering and gib engineering.Specifically related to a kind of recoverable anchor being used in side slope protection and actual architectural engineering
It is fixedly mounted with and puts.
Background technology
Domestic and international recoverable anchor pole is also in the starting stage of fumbling, with side slope protection and the hair of actual architectural engineering
Exhibition, the application of anchor is more and more extensive, and some problems are also had in work progress, and common bolt anchors tension, not only
It is difficult to remove, and can not recycles, causes anchor to be left and soil pollution and the wasting of resources are caused in soil.
So far, certain achievement has been made in the research both at home and abroad in terms of recoverable anchor pole, but in actual work
Do not promoted on a large scale in journey, the imperfection and test method, equipment mainly due to correlation theory it is unsound, it is right
The innovation research of recoverable anchor pole still has many deficiencies.Implement innovation driving development strategy, particularly civil engineering is led
Domain, with the participation of more scholars and engineering staff, and to anchor pole and the soil layer mechanism of action, engineering discipline, test apparatus,
The continuous development of numerical simulation and observation method is perfect.Mankind's reasonable development and the requirement of saving natural resources, the energy constantly carry
Height, theoretical calculation, anchor mechanism, Multi anchorage effect, computation model, the performance under various specific conditions and the anchor of recoverable anchor pole
The quantitative study that the secondary recovery of bar utilizes etc. will be the emphasis direction studied from now on, and these all will be recoverable anchor pole
Innovation research direction is provided, its related ends will improve the basic theory of recoverable anchor pole, promote recoverable anchor
Gu the development of technology.The used material for making anchorage head of the device can use scrap iron, and anchor pole is as recyclable, and not only environmental pollution is small
And economical rationality, can be greatly cost-effective.
Utility model content
The purpose of this utility model is to provide a kind of recoverable anchoring being used in side slope protection and actual architectural engineering
Device, utilize common iron block and recoverable anchor rod so that construction cost of manufacture greatly reduces, there is provided the maximum anchor needed for supporting
Gu power, ensure the long-time stability and security of side slope and correlation engineering.
In order to solve the above-mentioned technical problem, the utility model proposes following technical scheme：One kind is used for side slope protection and reality
Recoverable anchor in the architectural engineering of border, it includes anchor pole, and the both ends of the anchor pole are all threaded end, the anchor
One section of bar has been connected through a screw thread anchorage head, and the anchorage head outer cover is cut with scissors equipped with positioning iron block on anchorage head by branch
Rotatable iron block is connected with spring, locating slot, the locating slot and positioning iron block are machined with the top of the rotatable iron block
It is engaged positioning；The top of the anchorage head and rotatable iron block is covered with thin film；Covered on the anchor pole on anchorage head top
Equipped with carcass；The upper strata of the film has poured expansion cement slurry, and plain-water slurry has been poured on the upper strata of expansion cement slurry.
The rotatable iron block passes through magnetization treatment, can be under magneticaction and by spring Automatic-expanding.
The carcass is made of rubber tube, and inner wall smooth is close to anchor pole, and outer is coarse wear-resisting and in anchor surface oiling,
It is easy to take out anchor pole.
The end of the anchor pole is uniformly machined with multiple foil gauge mounting grooves, and the foil gauge is by glue bonding in anchor pole
On.
The outer surface of the anchor pole is arranged in equal spacing with multiple pressure sensors along hole depth direction.
A kind of this new provided recoverable anchor being used in side slope protection and actual architectural engineering and its
Construction method, by using said structure, have the advantages that：
1st, relative to traditional support pattern, this utility model solves the not recyclable problem of conventional anchor, and material is simple
It is easy to get, anchor pole is recyclable to follow bad use again, also solves secondary pollution caused by conventional anchor pole is left, economy, environmental benefit show
Write.
2nd, expansive agent dosage in anchor rod anchored section of slurry is greatly improved first, has been broken swelling agent and has been mainly used in static state
The engineering of explosion and slightly expanded concrete is conventional, establishes the high-strength precompressed anchorage theory technical system of large dosage swelling agent, the device
Construction cost can be effectively reduced, safety stock is improved, there is broader engineering application prospect.
3rd, anchor pole outer wrapping carcass, avoid anchor pole and contacted with the direct of expansion cement slurry, not only protect anchor pole not by corruption
Erosion is advantageous to take out anchor pole, and is worked the increase density of two main bodys, intensity, impermeability with expansion cement slurry one；Increase anchor
The direct stress and frictional resistance of solid and country rock；The probability of anchor pole contact water and air is greatly reduced, improves the durable of anchoring-bolt system
Property.
4th, compared with other class anchorage technologies, mechanical anchor head expense is saved；Realize that expansion is purchased in automatic expansion head, saving in soil
Head apparatus cost；Skip and expand head process, reduce the anchoring support half duration.
5th, the mode of threaded connection is simple and convenient, on the one hand improves the anchor force between anchorage head and anchor pole, is formed and expanded
Head effect, anti-pulling of anchor bar is increased substantially, while be also beneficial to the recycling of anchor pole.
6th, form once expansion head using anchorage head before this and improve its anchor force；Recycle the expansion effect shape of expansion cement slurry
Into secondary expansion head, its anchor force is further improved.
7th, the utility model is simple in construction, and material is easy to get, easily operated, economy, obvious environment benefit.
Brief description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and examples.
Fig. 1 is the design sketch before device expansion.
Fig. 2 is the design sketch after device expansion.
Fig. 3 is the design sketch after device slip casting.
In figure：Anchorage head 1, anchor pole 2, rotatable iron block 3, spring 4, branch hinge 5, film 6, carcass 7, expansion cement slurry 8, element
Cement mortar 9, positioning iron block 10, locating slot 11.
Embodiment
Embodiment of the present utility model is described further below in conjunction with the accompanying drawings.
Such as Fig. 1-3, a kind of recoverable anchor being used in side slope protection and actual architectural engineering, it includes anchor pole
2, the both ends of the anchor pole 2 are all threaded end, and one section of the anchor pole 2 has been connected through a screw thread anchorage head 1, the anchoring
First 1 outer cover is connected with rotatable iron block 3 on anchorage head 1 equipped with iron block 10 is positioned by branch hinge 5 and spring 4, described to turn
The top of dynamic iron block 3 is machined with locating slot 11, and the locating slot 11 and positioning iron block 10 are engaged positioning；The He of anchorage head 1
The top of rotatable iron block 3 is covered with thin film 6；Carcass 7 is set with the anchor pole 2 on the top of anchorage head 1；The film 6
Upper strata poured expansion cement slurry 8, poured plain-water slurry 9 on the upper strata of expansion cement slurry 8.
Further, the rotatable iron block 3 passes through magnetization treatment, can be under magneticaction and automatic by spring 4
Expansion.By that can ensure that rotatable iron block automatically rotates after magnetization treatment positioning is engaged and then with positioning iron block 10.
Further, the carcass 7 is made of rubber tube, and inner wall smooth is close to anchor pole 2, and outer is coarse wear-resisting and in anchor
The oil surface of bar 2, it is easy to take out anchor pole.
Further, the end of the anchor pole 2 is uniformly machined with multiple foil gauge mounting grooves, and the foil gauge passes through glue
It is bonded on anchor pole 2.The stress deformation situation of anchor pole can be gathered in time by foil gauge, and then carried for follow-up force analysis
Supported for data.
Further, the outer surface of the anchor pole 2 is arranged in equal spacing with multiple pressure sensors along hole depth direction.
Utility model works process and operation principle are：
1st, anchor pole material：Choose suitable anchor pole, use bolt diameter for 22 screw-thread steel or fiber anchor rod.
2nd, material is processed：The screw-thread steel of selection is subjected to cutting processing, every Cutting Length is 1-3 rice, utilizes slotter
After dicing end reinforced is slotted, and groove depth and width are about 1cm, length 60-100cm；
3rd, foil gauge is arranged：Anchor pole end fluting position is polished smooth with sand paper, and the cotton balls for wiping alcohol with dipping in will be opened
Groove location wiped clean, 6- is equally spaced first with 502 terminals for pasting connecting wire on reinforcing bar slotted line after its drying
10 foil gauges, melt tin silk connection foil gauge and wire with electric iron after its drying, and foil gauge is welded with 704 silicon rubber
Socket part position carries out closed sealing, in order to avoid short circuit is caused in test process.
4th, drill：Typical project or soil-slope are chosen, the surface dust and debris near domatic and surface are removed, it is determined that properly
Aperture and hole depth, using pneumatics wind drill hole of drilling machine equipment soil-slope drill；
5th, equipment assembles：First anchorage head 1 and anchor pole 2 are connected by hickey, rotatable iron block 3 is magnetized,
Rock bolt head both wings iron block is deployed using the pulling force of magnetizing force, the occlusion property of tongue and groove and spring, in anchorage head 1 and anchor
Film 6 is coverd with the top of bar 2, protecting effect is played to iron block, while bolt portion at an upper portion thereof puts carcass 7 and in anchor pole table
Face oiling；
6th, pressure sensor is arranged：In the upper surface surrounding arrangement pressure sensor of rotatable iron block 3 assembled, and in hole
Wall is equally spaced pressure sensor along hole depth direction；
7th, it is with slurry：It is X% according to the ratio of mud and bulking agent levels pre-set（0%、10%、15%、20%、25%、30%）
Expansion cement slurry and plain-water slurry are configured, can be specifically adjusted by actual conditions；
8th, slip casting：The device assembled is put into hole bottom, the expansion cement slurry configured is poured into hole with slip casting machine
In, expansion cement slurry 8 is poured on anchorage head 1 and the rotatable top of iron block 3, it contains expanded agent cement paste anchoring depth and is
60-100cm, after vibration compacting, then sealed with plain-water slurry 9, containing expanded agent cement paste anchoring section top placing 20-
30cm plain-water slurry seals, and after bolt grouting, before cement mortar initial set, forbids tapping, collides, drawing bolt, conserved；
9th, pressure acquisition：After 5-10min has been poured, bolt expansion pressure test is carried out using pressure acquisition instrument, afterwards
4 hours in uninterruptedly measured, after treating final set, surveyed once every 12h, untill when the bulbs of pressure are stable；
10th, pull-out test：Using drawing instrument, multistage loadings pull-out test is carried out to recoverable anchor rod, i.e. load loading reaches
During to a certain grade, pass through high speed static deformeter, pressure sensor systems, the anchor rod drawing experiment displacement measurement voluntarily developed
The equipment such as device, obtain strain and the pressure value of anchoring body and hole wall interface, and measure the pulling capacity of anchor pole；Reload afterwards
Lower level, gathered data, so circulation is until off-test.
11st, analyze：Check experiment can be synchronously carried out, does not pour recoverable anchor rod experiment result and expansion cement slurry
Conventional anchor result of the test is compared analysis, obtains the changing rule of native anchor withdrawal resistance bulking agent levels, analyzes swelling agent pair
Recoverable anti-pulling of anchor bar influences, and the anchoring effect and security performance of recoverable anchor pole, to obtain stronger say
Take power.
By above-mentioned description, those skilled in the art completely can be without departing from this item utility model technological thought
In the range of, various changes and amendments are carried out all within the scope of protection of the utility model.It is of the present utility model not most
Matters, belong to the common knowledge of those skilled in the art.
Claims (5)
1. a kind of recoverable anchor being used in side slope protection and actual architectural engineering, it is characterised in that it includes anchor
Bar（2）, the anchor pole（2）Both ends be all threaded end, the anchor pole（2）One section be connected through a screw thread anchorage head
（1）, the anchorage head（1）Outer cover is equipped with positioning iron block（10）, in anchorage head（1）It is upper to be cut with scissors by branch（5）And spring（4）Connection
There is rotatable iron block（3）, the rotatable iron block（3）Top be machined with locating slot（11）, the locating slot（11）And positioning
Iron block（10）It is engaged positioning；The anchorage head（1）With rotatable iron block（3）Top covered with thin film（6）；Anchoring
Head（1）The anchor pole on top（2）On be set with carcass（7）；The film（6）Upper strata poured expansion cement slurry（8）, expanding
Cement mortar（8）Upper strata poured plain-water slurry（9）.
2. a kind of recoverable anchor being used in side slope protection and actual architectural engineering according to claim 1,
It is characterized in that：The rotatable iron block（3）, can be under magneticaction and by spring by magnetization treatment（4）Automatic exhibition
Open.
3. a kind of recoverable anchor being used in side slope protection and actual architectural engineering according to claim 1,
It is characterized in that：The carcass（7）It is made of rubber tube, inner wall smooth is close to anchor pole（2）, outer is coarse wear-resisting and in anchor pole
（2）Oil surface, it is easy to take out anchor pole.
4. a kind of recoverable anchor being used in side slope protection and actual architectural engineering according to claim 1,
It is characterized in that：The anchor pole（2）End be uniformly machined with multiple foil gauge mounting grooves, the foil gauge passes through glue bonding
In anchor pole（2）On.
5. a kind of recoverable anchor being used in side slope protection and actual architectural engineering according to claim 1,
It is characterized in that：The anchor pole（2）Outer surface be arranged in equal spacing with multiple pressure sensors along hole depth direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720368394.5U CN206635756U (en) | 2017-04-10 | 2017-04-10 | A kind of recoverable anchor being used in side slope protection and actual architectural engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720368394.5U CN206635756U (en) | 2017-04-10 | 2017-04-10 | A kind of recoverable anchor being used in side slope protection and actual architectural engineering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206635756U true CN206635756U (en) | 2017-11-14 |
Family
ID=60248762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720368394.5U Expired - Fee Related CN206635756U (en) | 2017-04-10 | 2017-04-10 | A kind of recoverable anchor being used in side slope protection and actual architectural engineering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206635756U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107905224A (en) * | 2017-11-19 | 2018-04-13 | 三峡大学 | It is a kind of to expand head in perforate steel pipe to improve the anchor structure of anti-pulling of anchor bar and construction method using expanding cement |
-
2017
- 2017-04-10 CN CN201720368394.5U patent/CN206635756U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107905224A (en) * | 2017-11-19 | 2018-04-13 | 三峡大学 | It is a kind of to expand head in perforate steel pipe to improve the anchor structure of anti-pulling of anchor bar and construction method using expanding cement |
| CN107905224B (en) * | 2017-11-19 | 2020-10-02 | 三峡大学 | Anchoring structure for improving anti-pulling force of anchor rod by expanding head of expansion cement in perforated steel pipe and construction method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171114 Termination date: 20180410 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |