CN216809872U - Novel prestress anti-floating anchor rod mechanism - Google Patents
Novel prestress anti-floating anchor rod mechanism Download PDFInfo
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- CN216809872U CN216809872U CN202122720696.3U CN202122720696U CN216809872U CN 216809872 U CN216809872 U CN 216809872U CN 202122720696 U CN202122720696 U CN 202122720696U CN 216809872 U CN216809872 U CN 216809872U
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Abstract
The utility model relates to a novel prestressed anti-floating anchor rod mechanism which comprises a bottom plate, wherein a cushion layer is arranged at the bottom of the bottom plate, an anchor hole is formed in the bottom of the bottom plate, the top of the anchor hole extends into the cushion layer and the bottom plate, a sleeve is arranged in the anchor hole, and slurry is poured between the sleeve and the anchor hole; set up the anchor eye downwards in the construction region, through the steel loading board, the bottom stress structure of whole anti-floating anchor rod is constituteed with screw-thread steel and slurry to the nut that excels in down, through the slurry, the whole pole body of anti-floating anchor rod can be constituteed to support and sleeve pipe, then through the spiral stirrup, lower steel backing plate, go up the steel backing plate, the superstructure of anti-floating anchor rod can be constituteed to the steel pipe, prestress is applyed to the screw-thread steel top, screw up high-strength nut after reaching the predetermined requirement, through can make the stock bearing capacity high like this, the anti-floating effect of whole bottom plate of improvement that can be very big, and the stock can be applied to all kinds of foundations and foundation slab, the construction is simple and convenient.
Description
Technical Field
The utility model relates to the technical field of foundation treatment, in particular to a novel prestress anti-floating anchor rod mechanism.
Background
In the field of building construction, the quality accident of foundation slab floating is rare, so the anti-floating anchor rod is produced at will, but the current common anti-floating anchor rod is generally arranged under a column and needs to be anchored in a hard rock mass, the vertical force transmitted by an upper structure cannot be fully utilized to balance a part of water buoyancy when the anchor rod is uniformly arranged in a planar mode, and the anchor rod is not safe.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art, provides a novel prestress anti-floating anchor rod mechanism, can greatly improve the anti-floating effect of the whole foundation slab, can be applied to various foundations and foundation slabs, and has the advantage of simple and convenient construction.
The technical scheme for realizing the purpose is as follows:
the utility model provides a novel prestress anti-floating anchor rod mechanism, which comprises a bottom plate, wherein a cushion layer is arranged at the bottom of the bottom plate, an anchor hole is formed in the bottom of the bottom plate, the top of the anchor hole extends to the inside of the cushion layer and the bottom plate, a sleeve is arranged inside the anchor hole, slurry is poured between the sleeve and the anchor hole, the interior of the sleeve is provided with the deformed steel bar, a bearing plate and a lower high-strength nut are arranged below the outer side wall of the deformed steel bar, the screw-thread steel is in threaded connection with the lower high-strength nut, a spiral stirrup is arranged above the outer side wall of the screw-thread steel, the top of the spiral stirrup is provided with a lower steel base plate, the top of the lower steel base plate is provided with a steel pipe, an upper steel base plate is installed at the top of the steel pipe, an upper high-strength nut is installed at the top of the upper steel base plate, and the upper high-strength nut is in threaded connection with the threaded steel.
Preferably, a bracket is installed at the middle position of the outer side wall of the deformed steel bar, and the bracket is located inside the sleeve. In order to avoid the shaking of the deformed steel bar in the sleeve through the support of the bracket.
Preferably, the bottom plate is five centimeters higher than the deformed steel bar. To avoid the deformed steel from rising above the surface of the base plate.
Preferably, the sleeve is a plastic member. In order to facilitate the work of the lifting sleeve in the using process.
Preferably, the slurry is a high-strength grouting member of C35. In order to reduce the cost of the anti-floating anchor rod during the use process.
Preferably, the spiral stirrup is welded with the lower steel backing plate. In order to ensure that the connection between the spiral stirrup and the lower steel backing plate is firmer.
Preferably, an epoxy resin member is sprayed between the lower high-strength nut and the bearing plate. In order to avoid the lower high-strength nut and the bearing plate from being damaged.
The beneficial effects of the utility model are: in the using process, the anchor hole is downwards formed in the construction area, the bottom stress structure of the whole anti-floating anchor rod can be formed by the steel bearing plate, the lower high-strength nut, the deformed steel bar and the slurry below the inside of the anchor hole, the whole rod body of the anti-floating anchor rod can be formed by the slurry, the bracket and the sleeve, the upper structure of the anti-floating anchor rod can be formed by the spiral stirrup, the lower steel backing plate, the upper steel backing plate and the steel pipe, the prestress is applied to the top of the deformed steel bar after the bottom plate for construction is solidified, the upper high-strength nut is screwed after the preset requirement is met, the bearing capacity of the anchor rod is high, the anti-floating effect of the whole bottom plate can be greatly improved, the anchor rod can be applied to various foundations and foundation bottom plates, and the construction is simple and convenient.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the connection structure of the anchor rod and the base plate in FIG. 1 according to the present invention;
FIG. 3 is an enlarged view of A of FIG. 1;
FIG. 4 is an enlarged view of B of FIG. 1 according to the present invention;
description of the reference numerals:
1. a base plate; 2. a cushion layer; 3. deformed steel bar; 4. slurry; 5. an anchor eye; 6. feeding a steel base plate; 7. a high-strength nut; 8. a steel pipe; 9. a spiral stirrup; 10. a sleeve; 11. a carrier plate; 12. a lower high-strength nut; 13. a support; 14. and (5) arranging a steel base plate.
Detailed Description
The utility model is further described with reference to the following figures and specific examples.
Referring to fig. 1 to 4, the utility model provides a novel prestressed anti-floating anchor rod mechanism, which comprises a bottom plate 1, wherein a cushion layer 2 is arranged at the bottom of the bottom plate 1, an anchor hole 5 is arranged at the bottom of the bottom plate 1, the top of the anchor hole 5 extends to the inside of the cushion layer 2 and the bottom plate 1, a sleeve 10 is arranged inside the anchor hole 5, slurry 4 is poured between the sleeve 10 and the anchor hole 5, deformed steel bars 3 are arranged inside the sleeve 10, a bearing plate 11 and a lower high-strength nut 12 are arranged below the outer side wall of each deformed steel bar 3, and threaded connection between screw-thread steel 3 and lower high-strength nut 12, spiral stirrup 9 is installed to the lateral wall top of screw-thread steel 3, lower steel backing plate 14 is installed at the top of spiral stirrup 9, and steel pipe 8 is installed at the top of lower steel backing plate 14, and steel pipe 6 is installed at the top of steel pipe 8, and last high-strength nut 7 is installed at the top of going up steel backing plate 6, goes up high-strength nut 7 and 3 threaded connection of screw-thread steel.
In this example, set up anchor eye 5 downwards from the construction area, the high-strength grout 4 of injection in anchor eye 5 department, place bottom loading board 11, lower high-strength nut 12, sleeve pipe 10, screw-thread steel 3 and support 13 in the inside of anchor eye 5, can form the whole pole body of anti-floating anchor rod from this, after above-mentioned operation is accomplished, begin to construct foundation slab 1, and in the in-process of construction, alternate the spiral stirrup 9 at construction anchor rod top, go up steel backing plate 6, lower steel backing plate 14, steel pipe 8 and the waterproof bed course 2 of bottom plate 1 below, after the concrete solidification of bottom plate 1 department, again to the prestressing force of screw-thread steel 3 top, it screws up high-strength nut 7 after accomplishing to apply.
Further, as shown in fig. 4, a bracket 13 is installed at a middle position of an outer side wall of the deformed steel bar 3, and the bracket 13 is located inside the casing 10, so that the deformed steel bar 3 can be prevented from shaking in the casing 10 by the support of the bracket 13.
Further, as shown in fig. 1, the base plate 1 is higher than the deformed steel bar 3 by five cm, by which the deformed steel bar 3 is prevented from being higher than the surface of the base plate 1.
Further, as shown in fig. 1, the sleeve 10 is made of plastic, the sleeve 10 made of plastic is convenient to produce, and the sleeve 10 has light weight, so that the sleeve 10 can be conveniently lifted during use.
Further, as shown in fig. 1, the slurry 4 is made of high-strength grouting material C35, the slurry 4 made of high-strength grouting material C35 has better cost performance, and the cost of the anti-floating anchor rod can be reduced in the using process.
Further, as shown in fig. 1, the spiral stirrup 9 is welded to the lower shim plate 14, so that the connection between the spiral stirrup 9 and the lower shim plate 14 is firmer.
Further, as shown in fig. 1, an epoxy resin member is sprayed between the lower high-strength nut 12 and the bearing plate 11, and the epoxy resin can prevent the lower high-strength nut 12 and the bearing plate 11 from being damaged.
The working principle of the utility model is as follows: in the using process of the utility model, an anchor hole 5 is downwards arranged from a construction area, a C35 high-strength grouting body 4 is injected at the anchor hole 5, a bottom bearing plate 11, a lower high-strength nut 12, a sleeve 10, a screw steel 3 and a bracket 13 are placed inside the anchor hole 5, the foundation bottom plate 1 is constructed after the operation is finished, a spiral stirrup 9, a lower steel backing plate 14, an upper steel backing plate 6, a steel pipe 8 and a waterproof cushion layer 2 below the bottom plate 1 are inserted and constructed at the top of the screw steel 3 in the construction process, when concrete at the bottom plate 1 is solidified, prestress is applied to the top of the screw steel 3, and the upper high-strength nut 7 is screwed after the application is finished.
While the present invention has been described in detail and with reference to the embodiments thereof as illustrated in the accompanying drawings, it will be apparent to one skilled in the art that various changes and modifications can be made therein. Therefore, certain details of the embodiments are not to be interpreted as limiting, and the scope of the utility model is to be determined by the appended claims.
Claims (7)
1. A novel prestress anti-floating anchor rod mechanism is characterized by comprising a bottom plate, wherein a cushion layer is arranged at the bottom of the bottom plate, an anchor hole is formed in the bottom of the bottom plate, the top of the anchor hole extends to the inside of the cushion layer and the bottom plate, a sleeve is arranged in the anchor hole, slurry is poured between the sleeve and the anchor hole, the deformed steel bar is placed in the sleeve, a bearing plate and a lower high-strength nut are installed below the outer side wall of the deformed steel bar, the screw-thread steel is in threaded connection with the lower high-strength nut, a spiral stirrup is arranged above the outer side wall of the screw-thread steel, the top of the spiral stirrup is provided with a lower steel base plate, the top of the lower steel base plate is provided with a steel pipe, an upper steel base plate is installed at the top of the steel pipe, an upper high-strength nut is installed at the top of the upper steel base plate, and the upper high-strength nut is in threaded connection with the threaded steel.
2. The novel prestressed anti-floating anchor rod mechanism according to claim 1, wherein a bracket is mounted at a middle position of the outer side wall of the deformed steel bar, and the bracket is positioned inside the sleeve.
3. The novel prestressed anti-floating anchor rod mechanism according to claim 1, wherein said bottom plate is five centimeters higher than said deformed steel bar.
4. The new prestressed anti-floating anchor rod mechanism according to claim 1, wherein said sleeve is a plastic member.
5. The novel prestressed anti-floating anchor rod mechanism according to claim 1, wherein said slurry is a high-strength grouting member of C35.
6. The novel prestressed anti-floating anchor rod mechanism according to claim 1, wherein said spiral stirrup is welded to said lower steel backing plate.
7. The novel prestressed anti-floating anchor rod mechanism according to claim 1, wherein an epoxy resin member is sprayed between said lower high-strength nut and said bearing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122720696.3U CN216809872U (en) | 2021-11-09 | 2021-11-09 | Novel prestress anti-floating anchor rod mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122720696.3U CN216809872U (en) | 2021-11-09 | 2021-11-09 | Novel prestress anti-floating anchor rod mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN216809872U true CN216809872U (en) | 2022-06-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122720696.3U Active CN216809872U (en) | 2021-11-09 | 2021-11-09 | Novel prestress anti-floating anchor rod mechanism |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115839083A (en) * | 2022-12-05 | 2023-03-24 | 中建八局第二建设有限公司 | Construction method for reinforcing single prestressed anchor rod combined foundation |
| CN116005661A (en) * | 2023-02-16 | 2023-04-25 | 武汉大学 | Pressure type basalt fiber anchor rod |
-
2021
- 2021-11-09 CN CN202122720696.3U patent/CN216809872U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115839083A (en) * | 2022-12-05 | 2023-03-24 | 中建八局第二建设有限公司 | Construction method for reinforcing single prestressed anchor rod combined foundation |
| CN116005661A (en) * | 2023-02-16 | 2023-04-25 | 武汉大学 | Pressure type basalt fiber anchor rod |
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