CN221118475U - Anti-floating anchor rod top node structure - Google Patents
Anti-floating anchor rod top node structure Download PDFInfo
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- CN221118475U CN221118475U CN202322951880.8U CN202322951880U CN221118475U CN 221118475 U CN221118475 U CN 221118475U CN 202322951880 U CN202322951880 U CN 202322951880U CN 221118475 U CN221118475 U CN 221118475U
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Abstract
The utility model discloses an anti-floating anchor rod top node structure which comprises a basement bottom plate, fine stone concrete, a cushion layer and prestressed screw bars, wherein the fine stone concrete is paved on the cushion layer, the basement bottom plate is paved on the fine stone concrete, a waterproof steel sleeve is pre-embedded in the cushion layer, a waterproof rubber sleeve ring is installed on the waterproof steel sleeve, the waterproof rubber sleeve ring is pre-embedded in the fine stone concrete, and asphalt waterproof ointment is filled in the waterproof rubber sleeve ring. The construction sequence is that lay the bed course, the drilling to clear the hole, place prestressing force twisted steel, be equipped with protector outward the prestressing force twisted steel, annotate anticorrosive grease in the protector, pour stock cement mortar, place waterproof steel sleeve pipe, place waterproof rubber lantern ring, inside asphalt-filled waterproof oleamen, lay the waterproof layer, pour fine stone concrete, pour the bottom plate concrete, wait that the bottom plate concrete solidifies and reach corresponding design intensity. The operation is simple, and the construction period is short.
Description
Technical Field
The utility model relates to the technical field of anti-floating anchors, in particular to an anti-floating anchor top node structure.
Background
The anti-floating anchor rod is a common anti-floating measure in the building engineering, and is usually designed into a pressure type prestress anti-floating anchor rod to enhance the integral anti-floating effect, but the traditional pressure type prestress anchor rod process needs to take a basement bottom plate as a tensioning end after the basement bottom plate is constructed, so that the following problems are generated: the prestressed reinforcement can be tensioned after the basement bottom plate is poured and the concrete reaches the corresponding strength, so that the construction period is long; the prestressed tendons have disturbance to the concrete bottom plate in the tensioning process, have the hidden danger of seepage, if the stock top is handled improperly with the bottom plate handing-over position, can lead to the bottom plate to warp, fracture under the external stress effect, especially in the prestressing force in-process is applyed to the muscle body, appear stock end and concrete handing-over position water fall, the phenomenon of leaking often, causes serious engineering quality problem.
Disclosure of utility model
The utility model aims to provide an anti-floating anchor rod top node structure.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an anti-floating anchor top node structure, includes basement bottom plate, fine stone concrete, bed course and prestressing force screw bar, fine stone concrete lays on the bed course, basement bottom plate lays on fine stone concrete, pre-buried waterproof steel sleeve pipe that has in the bed course, install waterproof rubber sleeve ring on the waterproof steel sleeve pipe, waterproof rubber sleeve ring pre-buried in fine stone concrete, prestressing force screw bar from the top down is pre-buried in proper order into basement bottom plate, waterproof rubber sleeve ring and waterproof steel sleeve intraductal, it has asphalt waterproof oleamen to fill between waterproof rubber sleeve ring and the prestressing force screw bar.
Preferably, the water-swelling sealing strip is arranged on the prestressed twisted steel, the backing plate is arranged on the prestressed twisted steel, the first anchor is arranged on the prestressed twisted steel, the first spiral rib is arranged on the prestressed twisted steel, and the first spiral rib is arranged below the backing plate.
Preferably, the second spiral rib is arranged on the prestressed twisted steel, the metal thread supporting body is sleeved on the prestressed twisted steel, the second anchorage device is arranged on the prestressed twisted steel, and the conical guide cap is arranged on the metal thread supporting body.
Preferably, a protective structure is arranged outside the prestressed twisted steel, and the protective structure comprises an anti-corrosion sleeve, two threaded holes and anti-corrosion ointment;
The two threaded holes are respectively formed in two sides of the anti-corrosion sleeve, the prestressed twisted steel is sleeved in the threaded holes, and the anti-corrosion ointment is filled in the anti-corrosion sleeve.
Preferably, a dredging structure is arranged on the anti-corrosion sleeve, and comprises a threaded opening, a threaded block, a cover plate, a circular ring and a vertical rod;
The anti-corrosion sleeve is characterized in that the threaded opening is formed in the anti-corrosion sleeve, the threaded block is sleeved in the threaded opening, the cover plate is mounted on the threaded block, the circular ring is mounted on the cover plate, the vertical rod is mounted on the threaded block, and the vertical rod is arranged in the anti-corrosion sleeve.
Preferably, cement mortar is paved outside the anti-corrosion sleeve.
Compared with the prior art, the utility model has the beneficial effects that: compared with the prior art, the anti-floating anchor rod top node structure has the following advantages:
1. Paving a cushion layer, drilling holes, clearing the holes, placing prestressed screw steel bars (an anti-corrosion sleeve is arranged outside the prestressed screw steel bars), pouring anchor rod cement mortar, placing a waterproof steel sleeve, placing a waterproof rubber sleeve ring, pouring asphalt waterproof ointment, pouring fine stone concrete, pouring bottom plate concrete, and enabling the concrete to reach corresponding strength after solidification, so that the construction period is short;
2. The waterproof asphalt concrete grouting device has the advantages that the water-swelling sealing strip is arranged on the waterproof asphalt ointment, the basement bottom plate is cast on the fine stone concrete, the basement bottom plate and the fine stone concrete are sealed by the water-swelling sealing strip, the hidden danger of water seepage is avoided, the anti-corrosion sleeve filled with the ointment is arranged outside the prestressed screw steel bar, the anchor rod concrete cannot be pulled in the deformation process of the prestressed screw steel bar, and the anchor rod body cannot crack in the stress stage of the whole process, but is compacted more.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the structure of the screw port, screw block and cover plate of FIG. 1;
FIG. 3 is a schematic view of the conical guide cap of FIG. 1;
Fig. 4 is a schematic structural view of the waterproof rubber grommet of fig. 1.
In the figure: 1. basement bottom plate, 2, fine stone concrete, 3, cushion layer, 4, dredging structure, 401, screw thread mouth, 402, screw thread piece, 403, apron, 404, ring, 405, montant, 5, waterproof steel sleeve, 6, waterproof rubber lantern ring, 7, asphalt waterproof oleamen, 8, prestressed screw reinforcement, 9, water-swellable sealing strip, 10, backing plate, 11, first ground tackle, 12, first spiral muscle, 13, cement mortar, 14, second spiral muscle, 15, metal screw thread carrier, 16, second ground tackle, 17, toper direction cap, 18, anticorrosive sleeve, 19, screw hole, 20, anticorrosive oleamen.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides an anti-floating anchor rod top node structure, including basement bottom plate 1, fine stone concrete 2, bed course 3 and prestressing force screw bar 8, fine stone concrete 2 lays on bed course 3, basement bottom plate 1 lays on fine stone concrete 2, pre-buried waterproof steel sleeve 5 in bed course 3, waterproof steel sleeve 5 adopts material Q355B, install waterproof rubber lantern ring 6 on waterproof steel sleeve 5, waterproof rubber lantern ring 6 pre-buried in fine stone concrete 2, prestressing force screw bar 8 pre-buried in basement bottom plate 1 from top to bottom in proper order in waterproof rubber lantern ring 6 and waterproof steel sleeve 5, be filled with pitch waterproof oleamen 7 between waterproof rubber lantern ring 6 and the prestressing force screw bar 8, install second screw bar 14 on the prestressing force screw bar 8, cup joint metal screw thread supporting body 15 on the prestressing force screw bar 8, install second anchor 16 on the prestressing force screw bar 8, install toper direction cap 17 on the metal screw thread supporting body 15, toper direction cap 17 is convenient for prestressing force screw bar 8 inserts;
Laying a cushion layer 3, drilling holes, clearing the holes, placing a prestressed screw reinforcement 8 (the prestressed screw reinforcement 8 is provided with a protective device 4, and is provided with a second screw reinforcement 14, a metal screw thread bearing body 15, a second anchorage 16 and a conical guide cap 17 below the prestressed screw reinforcement 8), placing a waterproof steel sleeve 5, placing a waterproof rubber sleeve ring 6, filling asphalt waterproof ointment 7, pouring fine stone concrete 2, pouring concrete (basement bottom plate 1), and enabling the concrete to reach corresponding strength after solidification, and the construction period is short.
Install on the prestressing force twisted steel 8 and meet water inflation sealing strip 9, meet water inflation sealing strip 9 to basement bottom plate 1 and fine stone concrete 2 between sealed, avoid the hidden danger of oozing out water, install backing plate 10 on the prestressing force twisted steel 8, install first ground tackle 11 on the prestressing force twisted steel 8, install first spiral muscle 12 on the prestressing force twisted steel 8, first spiral muscle 12: the reinforcement bar at the maximum partial pressure of the concrete, the first spiral bar 12 is placed under the backing plate 10.
When the basement bottom plate 1 is deformed upwards by water buoyancy, the force is transmitted to the prestressed screw reinforcement 8 through the backing plate 10, the prestressed screw reinforcement 8 transmits the force to the metal screw carrier 15 at the lower end in a concentrated manner when being pulled, the metal screw carrier 15 presses the cement mortar 13 upwards, the rod has friction force with soil body, so that the deformation of the basement bottom plate 1 is restrained, the anti-floating requirement is met, and because the anti-corrosion sleeve 18 is arranged between the prestressed screw reinforcement 8 and the cement mortar 13, friction force is not generated between the prestressed screw reinforcement 8 and the cement mortar 13 in the deformation process of the prestressed screw reinforcement, and the anchor rod body cannot crack in the whole stress stage but is pressed more tightly.
A protective structure is arranged outside the prestressed screw-thread steel bar 8, and comprises an anti-corrosion sleeve 18, two threaded holes 19 and anti-corrosion ointment 20;
The two threaded holes 19 are respectively formed in the two sides of the anti-corrosion sleeve 18, the prestressed screw reinforcement 8 is sleeved in the threaded holes 19, and the anti-corrosion ointment 20 is filled in the anti-corrosion sleeve 18 to protect the prestressed screw reinforcement 8 from corrosion.
The anti-corrosion sleeve 18 is provided with a dredging structure 4, anti-corrosion paint is coated outside the anti-corrosion sleeve 18, and the dredging structure 4 comprises a threaded opening 401, a threaded block 402, a cover plate 403, a circular ring 404 and a vertical rod 405;
The threaded opening 401 is formed in the anti-corrosion sleeve 18, the threaded block 402 is sleeved in the threaded opening 401, the cover plate 403 is arranged on the threaded block 402, the circular ring 404 is arranged on the cover plate 403, the vertical rod 405 is arranged on the threaded block 402, the circular ring 404 is repeatedly moved up and down, the cover plate 403 drives the vertical rod 405 to reciprocate in the anti-corrosion sleeve 18 through the threaded block 402, the internal anti-corrosion ointment 20 is dredged, bubbles in the anti-corrosion ointment 20 are discharged, and the pre-stress threaded steel bar 8 is better prevented from corrosion;
Cement mortar 13 is paved outside the anti-corrosion sleeve 18.
When the anti-floating anchor rod top node structure is used, firstly, the circular ring 404 is repeatedly moved up and down, the cover plate 403 drives the vertical rod 405 to reciprocate in the anti-corrosion sleeve 18 through the thread blocks 402, the internal anti-corrosion ointment 20 is dredged, bubbles in the anti-corrosion ointment 20 are discharged, then the thread blocks 402 are screwed into the thread openings 401, the cushion layer 3 is paved, holes are drilled and cleared, the pre-stressed screw steel bars 8 are placed (the anti-corrosion sleeve 18 is arranged outside the pre-stressed screw steel bars 8, the second screw steel bars 14, the metal screw steel bearing bodies 15, the second anchors 16 and the conical guide caps 17 are carried under the pre-stressed screw steel bars 8), the waterproof steel sleeve 5, the waterproof rubber sleeve ring 6, the asphalt-filled waterproof ointment 7, the fine stone concrete 2 and the concrete (the basement bottom plate 1) are poured, the concrete can reach corresponding strength after solidification, the construction period is short, the pressures of the cushion plate 10 and the metal screw bearing bodies 15 can be dispersed through the cooperation of the first screw steel bars 12 and the second screw steel bars 14, so that the anchor rod bodies cannot crack and are compacted beyond the whole process stress stage.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an anti-floating anchor top node structure, includes basement bottom plate (1), fine stone concrete (2), bed course (3) and prestressing force twisted steel (8), its characterized in that: the waterproof concrete is characterized in that fine stone concrete (2) is paved on a cushion layer (3), a basement bottom plate (1) is paved on the fine stone concrete (2), a waterproof steel sleeve (5) is embedded in the cushion layer (3), a waterproof rubber sleeve ring (6) is installed on the waterproof steel sleeve (5), the waterproof rubber sleeve ring (6) is embedded in the fine stone concrete (2), prestressed screw steel bars (8) are embedded in the basement bottom plate (1), the waterproof rubber sleeve ring (6) and the waterproof steel sleeve (5) from top to bottom in sequence, and asphalt waterproof ointment (7) is filled between the waterproof rubber sleeve ring (6) and the prestressed screw steel bars (8).
2. An anti-floating anchor top node construction according to claim 1, wherein: install on prestressing force twisted steel (8) and meet water inflation sealing strip (9), install backing plate (10) on prestressing force twisted steel (8), install first ground tackle (11) on prestressing force twisted steel (8), install first spiral muscle (12) on prestressing force twisted steel (8), first spiral muscle (12) are arranged in under backing plate (10).
3. An anti-floating anchor top node construction according to claim 1, wherein: install second spiral muscle (14) on prestressing force twisted steel (8), metal screw thread supporting body (15) have been cup jointed on prestressing force twisted steel (8), install second ground tackle (16) on prestressing force twisted steel (8), install toper direction cap (17) on metal screw thread supporting body (15).
4. An anti-floating anchor top node construction according to claim 1, wherein: an anti-corrosion sleeve (18) is arranged outside the prestressed twisted steel (8), and the anti-corrosion sleeve (18) comprises an anti-corrosion sleeve (18), two threaded holes (19) and anti-corrosion ointment (20);
The two threaded holes (19) are respectively formed in two sides of the anti-corrosion sleeve (18), the prestressed twisted steel (8) is sleeved in the threaded holes (19), and the anti-corrosion ointment (20) is filled in the anti-corrosion sleeve (18).
5. An anti-floating anchor top node construction according to claim 4, wherein: a dredging structure (4) is arranged on the anti-corrosion sleeve (18), and the dredging structure (4) comprises a threaded opening (401), a threaded block (402), a cover plate (403), a circular ring (404) and a vertical rod (405);
The anti-corrosion sleeve is characterized in that the threaded opening (401) is formed in the anti-corrosion sleeve (18), the threaded block (402) is sleeved in the threaded opening (401), the cover plate (403) is mounted on the threaded block (402), the circular ring (404) is mounted on the cover plate (403), the vertical rod (405) is mounted on the threaded block (402), and the vertical rod (405) is arranged in the anti-corrosion sleeve (18).
6. An anti-floating anchor top node construction according to claim 4, wherein: cement mortar (13) is paved outside the anti-corrosion sleeve (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322951880.8U CN221118475U (en) | 2023-11-02 | 2023-11-02 | Anti-floating anchor rod top node structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322951880.8U CN221118475U (en) | 2023-11-02 | 2023-11-02 | Anti-floating anchor rod top node structure |
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| Publication Number | Publication Date |
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| CN221118475U true CN221118475U (en) | 2024-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202322951880.8U Active CN221118475U (en) | 2023-11-02 | 2023-11-02 | Anti-floating anchor rod top node structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118498439A (en) * | 2024-06-18 | 2024-08-16 | 中南林业科技大学 | Waterproof structure of connection part of prestress anti-floating anchor rod and water-resistant plate and construction method |
-
2023
- 2023-11-02 CN CN202322951880.8U patent/CN221118475U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118498439A (en) * | 2024-06-18 | 2024-08-16 | 中南林业科技大学 | Waterproof structure of connection part of prestress anti-floating anchor rod and water-resistant plate and construction method |
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