CN204570688U - A kind of enlarged footing anti-float anchor rod device - Google Patents
A kind of enlarged footing anti-float anchor rod device Download PDFInfo
- Publication number
- CN204570688U CN204570688U CN201520274545.1U CN201520274545U CN204570688U CN 204570688 U CN204570688 U CN 204570688U CN 201520274545 U CN201520274545 U CN 201520274545U CN 204570688 U CN204570688 U CN 204570688U
- Authority
- CN
- China
- Prior art keywords
- anchor rod
- end metal
- enlarged footing
- rod device
- float anchor
- Prior art date
- 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.)
- Expired - Fee Related
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Abstract
The utility model provides a kind of enlarged footing anti-float anchor rod device, comprising: steel pipe, end metal pad, middle part metallic gasket, nut, spiral reinforcement and plain steel-bar.The utility model provides a kind of enlarged footing anti-float anchor rod device, reasonable in design, and structure is simple, have the advantages such as easy to operate, practical, overcome defect existing in current engineering and deficiency, in addition, simplicity of design is practical, can produce in batches, there is promotional value widely.
Description
Technical field
The utility model relates to a kind of enlarged footing anti-float anchor rod device, mainly improves the device of anchor pole extraction-resistant behavior, belongs to mechanical field.
Background technology
In recent years, along with the fast development of China's economy and the continuous quickening of Development of China's Urbanization, urban construction enters the develop rapidly stage.The application of underground construction is also increasingly extensive, and the development and utilization of Large Underground Parking Space, basement, civil air defense constructions and installations, square, underground and underground traffic is more and more common, requires also more and more higher to embedded depth of foundation.But due to the existence of underground water, underground water can produce buoyancy to underground building structure, if the deadweight of underground structure is less than underground buoyancy of water, the base plate of building may swell or ftracture, when buoyancy is quite large, total thing all can upwards float, and affects the normal use of works.Particularly in the city that some groundwater table are higher, there is serious anti-floating problem.Therefore, have to cause enough large attention to anti-floating problem in the construction of underground construction.
For solving the anti-floating problem of underground construction, conventional method has ballast method, anti-floating pile and anti-float anchor rod.Compared with other measure of anti float, anti-float anchor rod aperture is little, spacing is little, basement bottom board can do thinner, cost significantly reduces, also also exist simultaneously the construction period short, construct convenient, save the advantage such as material, whole float Structure can save construction costs greatly, and therefore anti-float anchor rod is widely used and promotes.But the anti-pulling capacity of anchor pole is a most important parameter of anti-float anchor rod, but research shows to rely on the length increasing anchoring section to have a limit to improve uplift resistance, after anchorage length exceedes certain numerical value, the uplift resistance of anchor pole can not be improved significantly, and the anti-pulling capacity how improving anchor pole is a most pressing problem of anti-float anchor rod engineering.
For this reason, designing a kind of enlarged footing anti-float anchor rod device, by being arranged on the expansion instrument of common bolt end, considerably increasing the adhesion stress between the body of rod and grouting body, to the uplift resistance level improving anchor pole, there is significant Technological Economy to be worth, meet the requirement of underground structure to stability.
Summary of the invention
The purpose of this utility model is to provide a kind of enlarged footing anti-float anchor rod device.
The utility model solves the technical scheme that its technical problem adopts: a kind of enlarged footing anti-float anchor rod device, comprise: steel pipe, end metal pad, middle part metallic gasket, nut, spiral reinforcement and plain steel-bar, is characterized in that: this device firmly links together mainly through the mode of welding and weld again after being connected with nut spiral; Anchor rod device steel pipe two ends are connected with two end metal pads by electric welding, end metal pad there is threaded apertures, middle part metallic gasket electric welding is at the middle part of steel pipe, nut is connected with the electric welding of end metal pad again with being threaded through after spiral is connected of steel duct, spiral reinforcement two ends are connected rear by spiral with the threaded apertures of two end metal pads and then are linked together by electric welding, plain steel-bar is looped around spiral reinforcement outside, and two ends are connected with the electric welding of end metal pad.
The beneficial effects of the utility model are: this device uses enlarged footing device contact injecting cement paste, substantially increases the cementation with injecting cement paste, overcomes defect existing in current engineering and deficiency, improve the stability of building.
Accompanying drawing explanation
Fig. 1 is a kind of enlarged footing anti-float anchor rod device steel pipe schematic diagram.
Fig. 2 is a kind of enlarged footing anti-float anchor rod device end metallic gasket schematic diagram.
Fig. 3 is metallic gasket schematic diagram in the middle part of a kind of enlarged footing anti-float anchor rod device.
Fig. 4 is a kind of enlarged footing anti-float anchor rod device nut schematic diagram.
Fig. 5 is a kind of enlarged footing anti-float anchor rod device no-reinforcing-bar schematic diagram.
Fig. 6 is that a kind of enlarged footing anti-float anchor rod apparatus, with indented bars and welded metal pad and plain steel-bar are around schematic diagram.
Fig. 7 is a kind of enlarged footing anti-float anchor rod device enlarged footing anti-float anchor rod and anchor pole connection diagram.
Detailed description of the invention
Below in conjunction with accompanying drawing, a kind of enlarged footing anti-float anchor rod of the utility model device is described further.
Fig. 1,2,3,4,5,6, in 7,1-steel pipe, 2-end metal pad, 3-middle part metallic gasket, 4-nut, 5-spiral reinforcement, 6-plain steel-bar.
In this device, steel pipe 1 is agent structure device, and end metal pad 2 is used for joint steel pipe 1 and other devices, and can expand contact area.Middle part metallic gasket 3 is used for reinforcing the welding of spiral reinforcement 5.Nut 4 is used for joint steel pipe 1 and existing anchor pole.Spiral reinforcement 5 is used for reinforcing the connection of steel pipe 1 and end metal pad 2, improves device intensity.Plain steel-bar 6 is looped around outside spiral reinforcement 5, makes the connection of device more firm.
A kind of enlarged footing anti-float anchor rod device steel pipe 1 two ends are connected with two end metal pads 2 by electric welding, end metal pad 2 there is threaded apertures, middle part metallic gasket 3 electric welding is at the middle part of steel pipe 1, nut 4 is connected with end metal pad 2 electric welding again with being threaded through after spiral is connected of steel pipe 1 inside, spiral reinforcement 5 two ends are connected rear by spiral with the threaded apertures of two end metal pads 2 and then are linked together by electric welding, it is outside that plain steel-bar 6 is looped around spiral reinforcement 5, and two ends are connected with end metal pad 2 electric welding.
Be connected with existing anchor pole by apparatus of the present invention, in the bottom of punching, control the speed of jumbolter high-pressure water head movement, form an expansion space in the bottom in hole.Enlarged footing of the present invention is implanted this space, fully contacts to reach the object increasing adhesion stress with injecting cement paste.
The end metal pad 2 of this device, middle part metallic gasket 3, nut 4 have been prefabricated in the factory afterwards and other devices fit together.Be connected with existing anchor pole with this device, in the bottom of punching, control the speed of jumbolter high-pressure water head movement, form an expansion space in the bottom in hole.This device enlarged footing is implanted this space, fully contacts to reach the object increasing adhesion stress with injecting cement paste.
The utility model provides a kind of enlarged footing anti-float anchor rod device, reasonable in design, and structure is simple, have the advantages such as easy to operate, practical, overcome defect existing in current engineering and deficiency, in addition, simplicity of design is practical, can produce in batches, there is promotional value widely.
Claims (1)
1. an enlarged footing anti-float anchor rod device, comprise: steel pipe, end metal pad, middle part metallic gasket, nut, spiral reinforcement and plain steel-bar, is characterized in that: this device firmly links together mainly through the mode of welding and weld again after being connected with nut spiral; Anchor rod device steel pipe two ends are connected with two end metal pads by electric welding, end metal pad there is threaded apertures, middle part metallic gasket electric welding is at the middle part of steel pipe, nut is connected with the electric welding of end metal pad again with being threaded through after spiral is connected of steel duct, spiral reinforcement two ends are connected rear by spiral with the threaded apertures of two end metal pads and then are linked together by electric welding, plain steel-bar is looped around spiral reinforcement outside, and two ends are connected with the electric welding of end metal pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520274545.1U CN204570688U (en) | 2015-05-01 | 2015-05-01 | A kind of enlarged footing anti-float anchor rod device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520274545.1U CN204570688U (en) | 2015-05-01 | 2015-05-01 | A kind of enlarged footing anti-float anchor rod device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204570688U true CN204570688U (en) | 2015-08-19 |
Family
ID=53863351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520274545.1U Expired - Fee Related CN204570688U (en) | 2015-05-01 | 2015-05-01 | A kind of enlarged footing anti-float anchor rod device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204570688U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107817162A (en) * | 2017-09-30 | 2018-03-20 | 青岛理工大学 | A kind of quick pull-out test method of the nonmetallic anti-float anchor rod of enlarged footing |
-
2015
- 2015-05-01 CN CN201520274545.1U patent/CN204570688U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107817162A (en) * | 2017-09-30 | 2018-03-20 | 青岛理工大学 | A kind of quick pull-out test method of the nonmetallic anti-float anchor rod of enlarged footing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150819 Termination date: 20160501 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |