CN220184104U

CN220184104U - Waterproof structure for end part of prestressed anchor rod

Info

Publication number: CN220184104U
Application number: CN202321716906.4U
Authority: CN
Inventors: 王雷兵; 胡嘉鑫; 欧阳宇峻; 宋田德; 何小祥
Original assignee: Beijing Urban Construction Fifth Construction Group Co ltd
Current assignee: Beijing Urban Construction Fifth Construction Group Co ltd
Priority date: 2023-07-03
Filing date: 2023-07-03
Publication date: 2023-12-15
Anticipated expiration: 2033-07-03

Abstract

The utility model discloses a waterproof structure of an end part of a prestressed anchor rod, which comprises a bearing plate, slow-bonding steel strands, a waterproof shell and a grouting pipe, wherein the slow-bonding steel strands and the grouting pipe are fixedly connected to the bearing plate, the waterproof shell is arranged on the outer side of the bearing plate, and fixed ends of the slow-bonding steel strands and the grouting pipe are positioned in the waterproof shell; the waterproof shell is of an integrated closed structure and comprises a protection section and a waterproof section, wherein the protection section is positioned on the outer side of the waterproof section. According to the utility model, the waterproof shell is arranged on the bearing side of the bearing plate, so that a sealing structure is formed to prevent groundwater from leaking upwards through the bearing plate, and a waterproof effect is realized; the waterproof shell protects the anchor rod end simultaneously for the anchor rod has avoided anchor rod end and barrier collision in the whereabouts installation, and then causes the problem of anchor rod destruction, protects the construction of anchor rod.

Description

Waterproof structure for end part of prestressed anchor rod

Technical Field

The utility model relates to the technical field of basement anchor rod construction, in particular to a waterproof structure for an end part of a prestressed anchor rod.

Background

When the basement is constructed, an anchor rod is required to be arranged on the bottom plate to prevent the bottom plate from floating upwards. The existing prestress anchor rod device is generally directly anchored with a slow-bonding steel strand and a bearing plate, and on one side of the bottom of the bearing plate, holes are formed in the anchor rod hole forming bottom, more sediments are removed, the bottom of the anchor rod grouting is not thoroughly, honeycombs are easily caused, the steel strand ends are not provided with waterproof measures, and a basement is easily led to leakage of a basement bottom plate from the steel strand ends. In order to realize that waterproof can set up waterproof construction in the end during current stock construction, for example CN214363655U discloses an anti-floating anchor rod end waterproof construction is used for realizing the stock waterproof, but above-mentioned structure belongs to construction structure, needs site operation, and is unable to be applicable to prestressing force stock moreover. The utility model provides a waterproof structure for the end part of a prestressed anchor rod, which solves the problems.

Disclosure of Invention

The utility model provides a waterproof structure for the end part of a prestressed anchor rod, wherein a waterproof shell is arranged at the end of the anchor rod to prevent groundwater from leaking upwards from a bearing plate of the anchor rod, so that the waterproof effect is achieved.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

the waterproof structure comprises a bearing plate, a slow-bonding steel strand, a waterproof shell and a grouting pipe, wherein the slow-bonding steel strand and the grouting pipe are fixedly connected to the bearing plate, the waterproof shell is arranged on the outer side of the bearing plate, and the fixed ends of the slow-bonding steel strand and the grouting pipe are positioned in the waterproof shell;

the waterproof shell is of an integrated closed structure and comprises a protection section and a waterproof section, wherein the protection section is positioned on the outer side of the waterproof section.

Further, the waterproof section is of a cylindrical structure, and the protection section is of a conical structure.

Further, the outline dimension of the waterproof section is the same as that of the bearing plate.

Further, a clamping plate is arranged on the slow-bonding steel strand, the clamping plate is fixedly connected to the fixed end of the slow-bonding steel strand, and the fixed end of the grouting pipe is connected to the clamping plate.

Further, the slow bonding steel strand comprises a steel strand, a sheath and a slow bonding adhesive, wherein the steel strand is arranged in the sheath, and the slow bonding adhesive is filled between the steel strand and the sheath.

Further, the slow bonding steel strands are arranged at intervals, and the grouting pipe is positioned in the middle of the slow bonding steel strands arranged at intervals.

Preferably, the bearing plate is a steel plate, and the waterproof shell is bent by an iron plate.

Preferably, the waterproof shell is welded with the bearing plate.

The utility model has the following beneficial effects:

a waterproof shell is arranged on one pressure-bearing side of the pressure-bearing plate, so that a sealing structure is formed to prevent groundwater from leaking upwards through the pressure-bearing plate, and a waterproof effect is realized; the waterproof shell protects the anchor rod end simultaneously for the anchor rod has avoided anchor rod end and barrier collision in the whereabouts installation, and then causes the problem of anchor rod destruction, protects the construction of anchor rod.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the internal structure of the present utility model;

FIG. 3 is a schematic diagram showing the connection of a slow bonding steel strand and a bearing plate according to the present utility model;

fig. 4 is a schematic view of the waterproof case structure of the present utility model.

Reference numerals: 1-bearing plate, 2-slow bonding steel strand, 21-clamping plate, 3-waterproof shell, 31-protection section, 32-waterproof section and 4-grouting pipe.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. 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.

In the description of this patent, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the patent and simplify the description, and do not indicate or imply that the devices or elements being referred to must have a particular orientation, be configured and operated in a particular orientation, and are therefore not to be construed as limiting the patent.

As shown in fig. 1 and 2, the waterproof structure of the end part of the prestressed anchor rod comprises a bearing plate 1, a slow bonding steel strand 2, a waterproof shell 3 and a grouting pipe 4, wherein the slow bonding steel strand 2 and the grouting pipe 4 are fixedly connected to the bearing plate 1, the waterproof shell 3 is arranged on the outer side of the bearing plate 1, and the fixed ends of the slow bonding steel strand 2 and the grouting pipe 4 are positioned in the waterproof shell 3.

The waterproof shell 3 forms a closed shell structure, seals the bottom side of the bearing plate, and prevents groundwater from penetrating into the basement through the bearing plate; simultaneously, the waterproof shell 3 also has a protective effect on the end head of the anchor rod, so that structural damage caused by collision of the anchor rod in the falling process is avoided, and meanwhile, the lower part of the waterproof shell 3 is arranged into a cone shape, and when the waterproof shell collides with an obstacle, the waterproof shell can deviate to one side and continuously fall, so that clamping stagnation is avoided.

As shown in fig. 4, the waterproof shell 3 is an integral sealing structure, and comprises a protection section 31 and a waterproof section 32, wherein the protection section 31 is located at the outer side of the waterproof section 32, the protection section 31 and the waterproof section 32 form an integral sealing waterproof structure, the protection section 31 has the end protection function, and also has the function of conveniently falling and avoiding clamping stagnation, and the waterproof section 32 provides space as a placing space for the slow bonding steel strand 2 and the grouting pipe 4.

Further, the waterproof section 32 has a cylindrical structure, and the protecting section 31 has a tapered structure.

Further, the outer dimension of the waterproof section 32 is the same as the outer dimension of the bearing plate 1.

Further, the slow bonding steel strand 2 is provided with a clamping plate 21, the clamping plate 21 is fixedly connected to the fixed end of the slow bonding steel strand 2, and the fixed end of the grouting pipe 4 is connected to the clamping plate 21.

Further, the slow bonding steel strand 2 comprises a steel strand, a sheath and a slow bonding adhesive, wherein the steel strand is arranged in the sheath, and the slow bonding adhesive is filled between the steel strand and the sheath.

Further, as shown in fig. 3, the slow-bonding steel strands 2 are arranged at intervals, and the grouting pipe 4 is positioned in the middle of the slow-bonding steel strands 2 which are arranged at intervals.

Preferably, the bearing plate 1 is a Q235 steel plate with d=200 mm and 30mm thickness, and the waterproof shell 3 is formed by bending and welding an iron sheet with d=200 mm and 0.15mm thickness, and is welded with the bearing plate 1.

During actual manufacturing, the specification structure of the waterproof shell 3 is adjusted according to the size of the bearing plate 1, the length and the taper of the waterproof shell 3 are flexibly adjusted, and the seepage-proofing effect is ensured.

Preferably, the waterproof shell 3 and the bearing plate 1 are welded together.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims

1. The waterproof structure for the end part of the prestressed anchor rod is characterized by comprising a bearing plate (1), a slow-bonding steel strand (2), a waterproof shell (3) and a grouting pipe (4), wherein the slow-bonding steel strand (2) and the grouting pipe (4) are fixedly connected to the bearing plate (1), the waterproof shell (3) is arranged on the outer side of the bearing plate (1), and the fixed ends of the slow-bonding steel strand (2) and the grouting pipe (4) are positioned in the waterproof shell (3);

the waterproof shell (3) is of an integrated closed structure and comprises a protection section (31) and a waterproof section (32), wherein the protection section (31) is positioned on the outer side of the waterproof section (32).

2. A prestressed anchor end water-proof structure according to claim 1, characterized in that: the waterproof section (32) is of a cylindrical structure, and the protection section (31) is of a conical structure.

3. A prestressed anchor end water-proof structure according to claim 1, characterized in that: the outline dimension of the waterproof section (32) is the same as that of the bearing plate (1).

4. A prestressed anchor end water-proof structure according to claim 1, characterized in that: the grouting device is characterized in that a clamping plate (21) is arranged on the slow-bonding steel strand (2), the clamping plate (21) is fixedly connected to the fixed end of the slow-bonding steel strand (2), and the fixed end of the grouting pipe (4) is connected to the clamping plate (21).

5. A prestressed anchor end water-proof structure according to claim 1, characterized in that: the slow bonding steel strand (2) comprises a steel strand, a sheath and a slow bonding adhesive, wherein the steel strand is arranged in the sheath, and the slow bonding adhesive is filled between the steel strand and the sheath.

6. A prestressed anchor end water-proof structure according to claim 1, characterized in that: the slow bonding steel strands (2) are arranged at intervals, and the grouting pipe (4) is positioned in the middle of the slow bonding steel strands (2) arranged at intervals.

7. A prestressed anchor end water-proof structure according to claim 1, characterized in that: the bearing plate (1) is a steel plate, and the waterproof shell (3) is bent by an iron plate.

8. The waterproof structure of the end part of the prestressed anchor rod according to claim 7, wherein: the waterproof shell (3) is welded with the bearing plate (1).