CN208517977U - A kind of anti-float anchor rod that existing basement bottom board is reinforced - Google Patents
A kind of anti-float anchor rod that existing basement bottom board is reinforced Download PDFInfo
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- CN208517977U CN208517977U CN201820492228.0U CN201820492228U CN208517977U CN 208517977 U CN208517977 U CN 208517977U CN 201820492228 U CN201820492228 U CN 201820492228U CN 208517977 U CN208517977 U CN 208517977U
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Abstract
A kind of anti-float anchor rod that existing basement bottom board is reinforced, the anti-float anchor rod includes steel strand wires, steel pipe, for fixing the anchor pole fixing piece of steel strand wires one end and steel pipe one end, steel pipe is provided on the steel strand wires lateral wall at basement plate upper surface, bolthole is downward from basement bottom board upper surface, structural adhesive layer has been poured between the inner sidewall and steel pipe lateral wall of bolthole, the lower end surface of structural adhesive layer and the upper surface distance of basement bottom board are the second distance to a declared goal, setting pours the first structure layer to be formed from steel pipe lateral wall below structural adhesive layer, first structure layer lower surface and basement bottom board lower surface are the first distance to a declared goal, outer tube is also coaxially arranged between steel strand wires and steel pipe, the level height of the upper end of outer tube is not less than the lower end surface of structural adhesive layer.Utility model has the advantages that the utility model can preferably realize existing basement bottom board using the waterproof effect after anti-float anchor rod aperture reinforcing.
Description
Technical field
The utility model relates to the production fields of anchor pole and anchor pole, and in particular to a kind of existing basement bottom board reinforcing resists
Drogue bar.
Background technique
For Anchorage Technology, the history for there are more than 100 years is applied and studied.Its application field also extends to
Many territories, such as mining, strengthening coal mine tunnel, pattern foundation pit supporting structure and tunnel support, subway, market place builet below the ground (vehicle
Library) etc..In recent years, with the raising of urban underground space utilization rate, embedded depth of foundation is deeper and deeper, and especially ground is immersed in basis
The depth being lauched is increasing, is the underground structure or low being embedded among or on Rock And Soil due to the uplift pressure of underground water
The anti-floating problem of hollow formula structure is very prominent.How to solve the problems, such as that the anti-floating of underground engineering structure object has become one often at present
Problems faced.The destruction of underground engineering caused by due to buoyancy force of underground water effect or measure of anti float are improper, has not at home
Few example, such as Wuhan fruit company rudder fall a mouthful underground cold storage, Hefei cell underground garage engineering all because of buoyancy force of underground water
Effect cause different degrees of damage.In these accidents, some basement bottom board protuberances cause the destruction of bottom plate, have
Basement is integral inclined, floats, and leads to beam, column component and destruction of bean column node etc..
Prestressed anchor in the Anti-floating design of newly-built underground structure with than wide, technology also relative maturity.But
It is also fewer in the anti-floating application of existing basement structure, need to solve closure of the anchor pole after the aperture on existing bottom plate, waterproof,
The problems such as anchorage anchors.
Utility model content
The purpose of this utility model to overcome above-mentioned the deficiencies in the prior art, provides what a kind of existing basement bottom board was reinforced
Anti-float anchor rod.
To achieve the above object, the utility model uses following technical scheme:
A kind of anti-float anchor rod that existing basement bottom board is reinforced, including steel strand wires, steel pipe, for fix steel strand wires one end and
The anchor pole fixing piece of steel pipe one end, the anchor pole fixing piece setting is in basement bottom board upper surface and is located above bolthole, institute
The other end for stating steel strand wires extend into the lower end of bolthole；
It is provided with steel pipe on the steel strand wires lateral wall at basement plate upper surface, bolthole is from basement bottom board
Surface is downward, has poured structural adhesive layer between the inner sidewall and steel pipe lateral wall of bolthole, the lower end surface of the structural adhesive layer with
The upper surface distance of basement bottom board is the second distance to a declared goal, and setting pours to be formed the from steel pipe lateral wall below structural adhesive layer
One structure sheaf, first structure layer lower surface and basement bottom board lower surface are the first distance to a declared goal, the steel strand wires and steel
Outer tube is also coaxially arranged between pipe, the level height of the upper end of the outer tube is not less than the lower end surface of structural adhesive layer.
Optimization, the anchor pole fixing piece includes bearing plate, the anchorage set gradually upwards from basement bottom board top, institute
The lower end surface that steel pipe is fixed on bearing plate is stated, steel strand wires one end is fixed on anchorage, offers first on the bearing plate
The central axes of grout hole and the first venthole, first grout hole and the first venthole are respectively positioned on the lateral wall and anchor pole of steel pipe
Between the inner sidewall of hole.
Optimization, the anti-float anchor rod further includes spiral bar, and the spiral bar is arranged on steel pipe lateral wall.
Optimization, the first distance to a declared goal range is 200-300mm.
Optimization, the level height of the upper end of the outer tube and the lower end surface horizontal direction of structural adhesive layer are concordant.
Optimization, the second structure sheaf is provided between the steel pipe inner sidewall and outer tube lateral wall.
Optimization, the outer tube includes upper surface and lower end surface, is respectively arranged with steel on the upper surface and lower end surface
The steel strand wires hole that twisted wire may pass through is provided with oil layer in the outer tube.
The utility model has the beneficial effects that:
(1) the utility model is by outer tube, steel pipe, first structure layer, structural adhesive layer, and the thickness of structural adhesive layer is arranged
The thickness of degree and first structure layer, the position in outer sleeve upper portion can preferably realize existing basement bottom board using anti-floating
Waterproof effect after anchor pole aperture reinforcing.
(2) steel strand wires are respectively free segment steel strand wires and anchoring section steel strand wires by the utility model, in this way when by steel
After grouting is fixed to anchoring section steel strand wires between pipe and bolthole, the free segment steel strand wires in outer tube can also stretch, in tensioning
The level of the adjustable basement bottom board of frictional force of the concrete and bolthole that solidify at anchoring section steel strand wires when steel strand wires is high
Degree.
(3) setting of the first grout hole, the second grout hole can be convenient and be in the milk to different location in the utility model.
(4) setting of spiral bar can increase the frictional force between first structure layer and steel pipe.
(5) error that this method can reduce installation anti-float anchor rod either reduces the requirement of anti-float anchor rod computational accuracy.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram for the anti-float anchor rod that existing basement bottom board is reinforced in the utility model.
Fig. 2 is the enlarged drawing of part A in Fig. 1.
Fig. 3 is the top view of anchorage in the utility model.
Fig. 4 is the top view of bearing plate in the utility model.
The meaning of label symbol is as follows in figure:
1- steel strand wires 101- free segment steel strand wires 102- anchoring section steel strand wires
2- outer tube 3- steel pipe 4- spiral bar 5- structural adhesive layer
6- bearing plate 61- the first grout hole the first venthole of 62-
7- anchorage 71- the second grout hole the second venthole of 72-
8- first structure layer 9- the second structure sheaf 10- basement bottom board
11- jacking of floor plate 12- jacking of floor reinforcing bar
Specific embodiment
Below by specific embodiment, the utility model is described in further detail.
Embodiment 1
As shown in Figs 1-4, the anti-float anchor rod that a kind of existing basement bottom board is reinforced, including steel strand wires 1, steel pipe 3, for solid
Determine the anchor pole fixing piece of 3 one end of 1 one end of steel strand wires and steel pipe.Anchor pole fixing piece setting in 10 upper surface of basement bottom board and
Above bolthole, anchor pole fixing piece includes bearing plate 6, the anchorage 7 set gradually upwards from 10 top of basement bottom board, institute
The lower end surface that steel pipe 3 is fixed on bearing plate 6 is stated, the steel strand wires 1 are fixed on anchorage 7.The other end end of the steel strand wires 1
Portion extend into the lower end of bolthole.
It is provided with steel pipe 3 on 1 lateral wall of steel strand wires at 10 upper surface of basement bottom board, bolthole is from basement bottom
10 upper surface of plate is downward, has poured structural adhesive layer 5 between 3 lateral wall of inner sidewall and steel pipe of bolthole, the structural adhesive layer 5
Lower end surface and the upper surface of basement bottom board 10 distance are the second distance to a declared goal, are provided with below structural adhesive layer 5 from 3 outside of steel pipe
Wall pours the first structure layer 8 to be formed, 8 lower surface of first structure layer and 10 lower surface of basement bottom board be first it is specified away from
From being also coaxially arranged with outer tube 2 between the steel strand wires 1 and steel pipe 3, the level height of the upper end of the outer tube 2 is not
Lower than the lower end surface of structural adhesive layer 5.In this embodiment basement bottom board 10 with a thickness of 500mm, the first distance to a declared goal is
200mm, the second distance to a declared goal are 200mm, such structural adhesive layer 5 with a thickness of 200mm, first structure layer 8 with a thickness of
500mm。
The top and the bottom of the steel strand wires 1 are respectively free segment steel strand wires 101 and anchoring section steel strand wires 102, in Fig. 1, water
It is free segment steel strand wires 101 above flat dotted line, lower section is anchoring section steel strand wires 102.The lower end of outer tube 2 is located at free segment steel strand
102 joint of line 101 and anchoring section steel strand wires, 102 free subsidence of anchoring section steel strand wires, anchoring section steel strand wires 102 and bolthole
Between, between outer tube 2 and bolthole, cement slurry or cement mortar are filled between steel pipe 3 and bolthole, and form first
Structure sheaf 8.
The first grout hole 61 and the first venthole 62, first grout hole 61 and first are offered on the bearing plate 6
The central axes of venthole 62 are respectively positioned between the lateral wall of steel pipe 3 and bolthole inner sidewall, for anchoring section steel strand wires 102 with
Between bolthole, between outer tube 2 and bolthole, between steel pipe 3 and bolthole filling concrete slurry or cement mortar, formed first
Structure sheaf 8.The second grout hole 71 and the second venthole 72 are offered on the anchorage 7, second grout hole 71 and second go out
The central axes of stomata 72 are respectively positioned in outer tube 2, are used for 3 inner sidewall of steel pipe and 2 lateral wall filling concrete of outer tube slurry or water
Cement mortar forms the second structure sheaf 9, when 2 upper surface of outer tube and unlimited lower end surface, 2 filling concrete of outer tube slurry or cement bonded sand
Slurry, for steel strand wires 1 stretching after solidify anti-float anchor rod, enhance the intensity of anti-float anchor rod.
The anti-float anchor rod further includes spiral bar 4, and the spiral bar 4 is arranged on 3 lateral wall of steel pipe.Spiral bar 4 is set
Set the ability that can increase by 3 lateral wall of steel pipe adherency cement slurry or cement mortar.
Structural adhesive layer 5 is additionally provided in bolthole between 6 lower surface of bearing plate and first structure layer 8.In the reality
Apply a mesoglea structure 5 with a thickness of 100mm.
Jacking of floor plate 11 is set in the top of anchorage, and jacking of floor reinforcing bar is set below jacking of floor plate 11
12, mud or cement slurry finally are injected in the lower section of jacking of floor plate 11, ultimately forms third concrete structure, jacking of floor plate
11, jacking of floor reinforcing bar 12, third concrete structure play the role of fixed anti-float anchor rod and reinforce basement bottom board 10.
Embodiment 2
As shown in Figs 1-4, the anti-float anchor rod that a kind of existing basement bottom board is reinforced, including steel strand wires 1, steel pipe 3, for solid
Determine the anchor pole fixing piece of 3 one end of 1 one end of steel strand wires and steel pipe.Anchor pole fixing piece setting in 10 upper surface of basement bottom board and
Above bolthole, anchor pole fixing piece includes bearing plate 6, the anchorage 7 set gradually upwards from 10 top of basement bottom board, institute
The lower end surface that steel pipe 3 is fixed on bearing plate 6 is stated, the steel strand wires 1 are fixed on anchorage 7.The other end end of the steel strand wires 1
Portion extend into the lower end of bolthole.
It is provided with steel pipe 3 on 1 lateral wall of steel strand wires at 10 upper surface of basement bottom board, bolthole is from basement bottom
10 upper surface of plate is downward, has poured structural adhesive layer 5 between 3 lateral wall of inner sidewall and steel pipe of bolthole, the structural adhesive layer 5
Lower end surface and the upper surface of basement bottom board 10 distance are the second distance to a declared goal, are provided with below structural adhesive layer 5 from 3 outside of steel pipe
Wall pours the first structure layer 8 to be formed, 8 lower surface of first structure layer and 10 lower surface of basement bottom board be first it is specified away from
From being also coaxially arranged with outer tube 2 between the steel strand wires 1 and steel pipe 3, the level height of the upper end of the outer tube 2 is not
Lower than the lower end surface of structural adhesive layer 5.In this embodiment basement bottom board 10 with a thickness of 500mm, the first distance to a declared goal is
200mm, the second distance to a declared goal are 300mm, such structural adhesive layer 5 with a thickness of 200mm, first structure layer 8 with a thickness of
600mm。
The top and the bottom of the steel strand wires 1 are respectively free segment steel strand wires 101 and anchoring section steel strand wires 102, in Fig. 1, water
It is free segment steel strand wires 101 above flat dotted line, lower section is anchoring section steel strand wires 102.The free segment steel strand wires 101 are cased with housing
Pipe 2, the outer tube 2 are coaxially fixed in steel pipe 3, and the lower end of the outer tube 2 is located at free segment steel strand wires 101 and anchoring section
102 joint of steel strand wires, 102 free subsidence of anchoring section steel strand wires, between the anchoring section steel strand wires 102 and bolthole,
Between outer tube 2 and bolthole, it is filled with cement slurry or cement mortar between steel pipe 3 and bolthole, and forms first structure
Layer 8.
The outer tube 2 includes upper surface and lower end surface, and being respectively arranged with steel strand wires 1 on the upper surface and lower end surface can
The steel strand wires hole passed through is provided with oil layer in the outer tube 2.Oil layer is steel strand wires 1 inside outer tube 2 in order to prevent
It is broken after oxidation, when basement bottom board 10 is displaced herein, anti-float anchor rod can be adjusted again.
The first grout hole 61 and the first venthole 62, first grout hole 61 and first are offered on the bearing plate 6
The central axes of venthole 62 are respectively positioned between the lateral wall of steel pipe 3 and bolthole inner sidewall, for anchoring section steel strand wires 102 with
Between bolthole, between outer tube 2 and bolthole, between steel pipe 3 and bolthole filling concrete slurry or cement mortar, formed first
Structure sheaf 8.The second grout hole 71 and the second venthole 72 are offered on the anchorage 7, second grout hole 71 and second go out
The central axes of stomata 72 are respectively positioned in outer tube 2, for injecting grease into outer tube 2.
The anti-float anchor rod further includes spiral bar 4, and the spiral bar 4 is arranged on 3 lateral wall of steel pipe.To increase steel pipe
3 lateral walls adhere to the ability of cement slurry or cement mortar.
Structural adhesive layer 5 is additionally provided in bolthole between 6 lower surface of bearing plate and first structure layer 8.
Embodiment 3
In this embodiment, the second distance to a declared goal is 250mm, other settings are identical as embodiment 1 or 2.
Embodiment 4
As shown in Figs 1-4, a kind of preparation method of the anti-float anchor rod of embodiment 1, comprising the following steps:
S1, it drills in 10 aperture of basement bottom board and in soil layer, forms bolthole, make steel strand wires 1, outer tube 2 is same
Axis is fixed in steel pipe 3, and spiral bar 4 is arranged on the outside of steel pipe 3, and outer tube 2 includes upper surface and lower end surface, and the upper surface is under
1 hole of steel strand wires that steel strand wires 1 pass through is respectively arranged on end face；
S2, the steel pipe 3 upper end be fixed on the lower end surface of bearing plate 6,1 one end of steel strand wires is extend into bolthole extremely
The lower end of bolthole, the other end are fixed on anchorage 7；
S3,3 lateral wall of bolthole and steel pipe at anchoring section steel strand wires 102 is perfused by the first grout hole 61, after perfusion
Slip casting face at a distance from the lower surface of basement bottom board 10 be the first distance to a declared goal, the first distance to a declared goal be apart from basement bottom
10 lower end surface 200mm of plate；
S4, tension steel strand 1, be in the milk slip casting upper surface and basement after being perfused again by the first grout hole 61
The distance of the upper surface of bottom plate 10 is the second distance to a declared goal, and the second distance to a declared goal is apart from 10 upper surface 200mm of basement bottom board；
Step S3 and step S4 ultimately forms the first concrete layer 8.
S5, inject grease formation oil layer into outer tube 2 by the second grout hole 71, by the first grout hole 61 to steel
Encapsulating between 3 lateral surface of pipe and bolthole, until the space of 6 lower surface of seal and pressure bearing plate, ultimately forms structural adhesive layer 5.
It can be not provided with the second grout hole 71 and the second venthole 72 in this embodiment, grease will be injected in step S5
Operation be placed directly in step 1.
Embodiment 5
A kind of preparation method of the anti-float anchor rod of embodiment 2, comprising the following steps:
S1, it drills in 10 aperture of basement bottom board and in soil layer, forms bolthole, make steel strand wires 1, outer tube 2 is same
Axis is fixed in steel pipe 3, and spiral bar 4 is arranged on the outside of steel pipe 3, and the outer tube 2 is the tubulose knot that upper surface and lower end surface are open
Structure；
S2, the steel pipe 3 upper end be fixed on the lower end surface of bearing plate 6,1 one end of steel strand wires is extend into bolthole extremely
The lower end of bolthole, the other end are fixed on anchorage 7；
S3,3 lateral wall of bolthole and steel pipe at anchoring section steel strand wires 102 is perfused by the first grout hole 61, after perfusion
Slip casting upper surface at a distance from 10 lower surface of basement bottom board be the first distance to a declared goal, the first distance to a declared goal be apart from basement
10 lower end surface 200mm of bottom plate；
S4, tension steel strand 1, be in the milk slip casting face and basement bottom board after being perfused again by the first grout hole 61
The distance of 10 upper surfaces is the second distance to a declared goal, and first distance to a declared goal is greater than the second distance to a declared goal, and the second distance to a declared goal is
Apart from 10 lower end surface 100mm of basement bottom board, first structure layer 8 is ultimately formed；
S5, tension steel strand 1 form the second structure sheaf to grouting between steel pipe 3 and outer tube 2 by the second grout hole 71
9, and be in the milk into outer tube 2, by the first grout hole 61 to encapsulating between 3 lateral surface of steel pipe and bolthole until sealing is held
The space of 6 lower surface of pressing plate, ultimately forms structural adhesive layer 5.
S6, jacking of floor plate 11 is set in the top of anchorage 7, and jacking of floor steel is set below jacking of floor plate 11
Muscle 12 finally injects mud or cement slurry, finally formed third concrete structure in the lower section of jacking of floor plate 11.
The above is only the preferred embodiments that the utility model is created, and are not intended to limit the utility model creation, all
Made any modifications, equivalent replacements, and improvements etc., should be included in this within the spirit and principle that the utility model is created
Within the protection scope that utility model is created.
Claims (7)
1. a kind of anti-float anchor rod that existing basement bottom board is reinforced, which is characterized in that including steel strand wires (1), steel pipe (3), be used for
The anchor pole fixing piece of fixed steel strand wires (1) one end and steel pipe (3) one end, the anchor pole fixing piece are arranged in basement bottom board (10)
Upper surface and be located at bolthole above, the other end of the steel strand wires (1) extend into the lower end of bolthole；
It is provided with steel pipe (3) on steel strand wires (1) lateral wall at basement bottom board (10) upper surface, bolthole is from basement
Bottom plate (10) upper surface is downward, has poured structural adhesive layer (5), the glue between inner sidewall and steel pipe (3) lateral wall of bolthole
The lower end surface of layer structure (5) and the upper surface distance of basement bottom board (10) are the second distance to a declared goal, are set below structural adhesive layer (5)
It sets from steel pipe (3) lateral wall and pours the first structure layer (8) to be formed, first structure layer (8) lower surface and basement bottom board
(10) lower surface is the first distance to a declared goal, is also coaxially arranged with outer tube (2) between the steel strand wires (1) and steel pipe (3), described
The level height of the upper end of outer tube (2) is not less than the lower end surface of structural adhesive layer (5).
2. the anti-float anchor rod that a kind of existing basement bottom board according to claim 1 is reinforced, which is characterized in that the anchor pole
Fixing piece includes the bearing plate (6) set gradually upwards from basement bottom board top, anchorage (7), and the steel pipe (3), which is fixed on, holds
The lower end surface of pressing plate (6), described steel strand wires (1) one end are fixed on anchorage (7), offer the first filling on the bearing plate (6)
The central axes of slurry hole (61) and the first venthole (62), first grout hole (61) and the first venthole (62) are respectively positioned on steel pipe
(3) between lateral wall and bolthole inner sidewall.
3. the anti-float anchor rod that a kind of existing basement bottom board according to claim 1 is reinforced, which is characterized in that the anti-floating
Anchor pole further includes spiral bar (4), and the spiral bar (4) is arranged on steel pipe (3) lateral wall.
4. the anti-float anchor rod that a kind of existing basement bottom board according to claim 1 is reinforced, which is characterized in that described first
Distance to a declared goal range is 200-300mm.
5. the anti-float anchor rod that a kind of existing basement bottom board according to claim 1 is reinforced, which is characterized in that the housing
The level height for managing the upper end of (2) is concordant with the lower end surface horizontal direction of structural adhesive layer (5).
6. the anti-float anchor rod that a kind of existing basement bottom board according to claim 1 is reinforced, which is characterized in that the steel pipe
(3) the second structure sheaf (9) are provided between inner sidewall and outer tube (2) lateral wall.
7. the anti-float anchor rod that a kind of existing basement bottom board according to claim 1 is reinforced, which is characterized in that the housing
Managing (2) includes upper surface and lower end surface, and the steel strand wires that steel strand wires (1) may pass through are respectively arranged on the upper surface and lower end surface
Hole, the outer tube (2) is interior to be provided with oil layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820492228.0U CN208517977U (en) | 2018-04-08 | 2018-04-08 | A kind of anti-float anchor rod that existing basement bottom board is reinforced |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820492228.0U CN208517977U (en) | 2018-04-08 | 2018-04-08 | A kind of anti-float anchor rod that existing basement bottom board is reinforced |
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| CN208517977U true CN208517977U (en) | 2019-02-19 |
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ID=65342119
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820492228.0U Active CN208517977U (en) | 2018-04-08 | 2018-04-08 | A kind of anti-float anchor rod that existing basement bottom board is reinforced |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108468356A (en) * | 2018-04-08 | 2018-08-31 | 安徽省建筑科学研究设计院 | A kind of anti-float anchor rod and preparation method thereof that existing basement bottom board is reinforced |
| CN114635418A (en) * | 2022-04-02 | 2022-06-17 | 中建一局集团第三建筑有限公司 | Post-construction method for prestressed anti-floating anchor pile |
-
2018
- 2018-04-08 CN CN201820492228.0U patent/CN208517977U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108468356A (en) * | 2018-04-08 | 2018-08-31 | 安徽省建筑科学研究设计院 | A kind of anti-float anchor rod and preparation method thereof that existing basement bottom board is reinforced |
| CN108468356B (en) * | 2018-04-08 | 2024-04-12 | 安徽省建筑科学研究设计院 | Anti-floating anchor rod for reinforcing existing basement bottom plate and preparation method thereof |
| CN114635418A (en) * | 2022-04-02 | 2022-06-17 | 中建一局集团第三建筑有限公司 | Post-construction method for prestressed anti-floating anchor pile |
| CN114635418B (en) * | 2022-04-02 | 2024-01-26 | 中建一局集团第三建筑有限公司 | Post construction method for prestressed anti-floating anchor pile |
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