CN212716034U

CN212716034U - Reinforcing and repairing system for cooperative protection of steel column by sacrificial anode and glass fiber sleeve

Info

Publication number: CN212716034U
Application number: CN202021432501.4U
Authority: CN
Inventors: 曹学亮; 马玉洲; 胡彦帅; 杨飞; 田宇; 闫民杰; 许小海; 罗仕刚
Original assignee: Carbo Technology Group Co ltd; China Construction Communications Engineering Group Co Ltd
Current assignee: Carbo Technology Group Co ltd; China Construction Communications Engineering Group Co Ltd
Priority date: 2020-07-20
Filing date: 2020-07-20
Publication date: 2021-03-16
Anticipated expiration: 2030-07-20

Abstract

The utility model discloses a reinforcing and repairing system for a sacrificial anode and a glass fiber sleeve cooperative protection steel column, which comprises a glass fiber sleeve reinforcing structure arranged at the part of the steel column to be reinforced; a circle of anode metal plate is fixedly sleeved on the steel column in an insulating way; a plurality of wires are electrically connected to the anode metal plate at equal intervals along the circumferential direction, and one ends of the wires, far away from the anode metal plate, extend into the glass fiber sleeve reinforcing structure and are electrically connected with the steel column. The utility model discloses a consolidate repair system and consolidate effectually, have excellent durability, non-maintaining.

Description

Reinforcing and repairing system for cooperative protection of steel column by sacrificial anode and glass fiber sleeve

Technical Field

The utility model relates to a building reinforcement technical field especially relates to a reinforcing repair system of sacrificial anode and fine sleeve of glass protection steel column in coordination.

Background

For the protection of buildings such as wharfs and bridges in splash zones, protective measures of corrosion allowance reserving coatings are generally applied in projects, but the corrosion prevention measures are still unreliable in the splash zones, maintenance is needed only for years, and daily maintenance cost is greatly increased. Therefore, other anti-corrosion measures, such as metal spraying, organic coating, inorganic coating, and protection of the protective sleeve, are also needed in this area. However, these measures are also short-term or medium-term maintenance solutions, which do not guarantee the durability of the steel structure during the whole operation.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned defects or shortcomings in the prior art, it is desirable to provide a reinforcement repair system for protecting a steel column by a sacrificial anode and a glass fiber sleeve in cooperation, wherein the reinforcement repair system has a good reinforcement effect and excellent durability and is maintenance-free.

The utility model provides a reinforcing and repairing system for a sacrificial anode and a glass fiber sleeve cooperative protection steel column, which comprises a glass fiber sleeve reinforcing structure arranged at a part of the steel column to be reinforced; a circle of anode metal plate is fixedly sleeved on the steel column in an insulating way; and a plurality of leads are electrically connected to the anode metal plate at equal intervals along the annular direction, and one ends of the leads, which are far away from the anode metal plate, extend into the glass fiber sleeve reinforced structure and are electrically connected with the steel column.

Preferably, the glass fiber sleeve reinforced structure comprises a main sleeve sleeved on a part to be reinforced of the steel column, a splicing seam is arranged on the outer wall of the main sleeve along the axial direction of the main sleeve, sealing glue is coated in the splicing seam, the splicing seam is connected through a stainless steel nail in an anchoring manner, a circle of sealing ring is fixedly arranged at the bottom between the main sleeve and the steel column, grouting material is filled between the main sleeve and the steel column, and a circle of top sealing glue is coated at the top of the grouting material between the main sleeve and the steel column.

Preferably, a plurality of rhombic-distributed limiters are uniformly arranged on the inner wall of the main sleeve.

Preferably, the glass fiber sleeve reinforced structure further comprises at least 1 supporting sleeve, at least 1 supporting opening is formed in the outer wall of the main sleeve, and one end of the supporting sleeve is connected with the supporting opening in a sealing manner through sealing compound.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a consolidate repair system is provided with fine sleeve reinforced structure of glass and positive pole metal sheet. The glass fiber sleeve has high strength, corrosion resistance, no maintenance, strong applicability, good corrosion resistance, seawater corrosion resistance, various chemical agents resistance, and interaction of dryness, wetness, cold, heat and freeze thawing resistance.

The positive pole metal sheet is connected through a plurality of wires and steel column electricity as sacrificial anode, the fine sleeve reinforced structure of glass seals the link, under ocean or river environment, the erosion in unrestrained splash zone, the existence of zwitterion, take place chemical corrosion, form the potential difference more easily, the positive pole metal sheet loses electron more easily under this kind of environment, flow to the steel column, and form certain potential difference between the steel column, prevent that metal material from taking place chemical reaction or corruption in the steel column, the metal anode board can take place the chemical corrosion effect this moment, and the steel column is protected, thereby play and prevent the steel column corrosion, increase of service life's purpose.

The reinforcing and repairing system can prevent seawater, air and the like from contacting the steel column and prevent corrosion, achieves the purpose of reinforcing the steel foundation column by increasing the cross section of the original structure, and enhances the bearing capacity of the steel foundation column; and the loss of electrons of metal materials can be reduced, and corrosion caused by sea waves, anions and cations, acid, alkali, salt, air and the like can be prevented. The steel column corrosion and corrosion prevention device can permanently solve the problems of corrosion, corrosion and the like of the steel column in the humid environments such as a splash zone, a wharf and the like, is maintenance-free, and saves the maintenance cost.

Under the synergistic effect of the glass fiber sleeve reinforcing structure and the anode metal plate serving as the sacrificial anode, the reinforcing and repairing system has an excellent effect on reinforcing and repairing the steel column, has excellent durability and can effectively prolong the service life of the steel column.

It should be understood that what is described in this summary section is not intended to limit key or critical features of embodiments of the invention, nor is it intended to limit the scope of the invention. Other features of the present invention will become apparent from the following description.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments made with reference to the following drawings:

fig. 1 is a schematic structural view of a reinforcing and repairing system for a sacrificial anode and a glass fiber sleeve cooperative protection steel column according to an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of a reinforcement repair system;

FIG. 3 is a schematic view of another configuration of a reinforcement repair system.

Reference numbers in the figures: 11. a steel column; 12. a glass fiber sleeve reinforcing structure; 13. an anode metal plate; 14. a wire;

21. a main sleeve; 22. splicing seams; 23. stainless steel nails; 24. a seal ring; 25. grouting material; 26. and a limiting stopper.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and are not limiting of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Referring to fig. 1 to 3, an embodiment of the present invention provides a reinforcing and repairing system for a sacrificial anode and a glass fiber sleeve cooperating to protect a steel column, including a glass fiber sleeve reinforcing structure 12 disposed at a portion of the steel column 11 to be reinforced; a circle of anode metal plate 13 is fixedly sleeved on the steel column 11 in an insulating way; a plurality of leads 14 are electrically connected to the anode metal plate 13 at equal intervals along the circumferential direction, and one ends of the leads 14, which are far away from the anode metal plate 13, extend into the glass fiber sleeve reinforced structure 12 and are electrically connected with the steel column 11.

In this embodiment, the anode metal plate 13 is made of an active metal, the anode metal plate 13 may be sleeved on the glass fiber sleeve reinforced structure 12 as shown in fig. 1, a circle of insulating ring sleeve is fixedly sleeved on the steel column 11, and may be made of a glass fiber plate or other insulating material, and then the anode metal plate 13 is sleeved on the outer wall of the insulating ring sleeve by a circle and fixed by a rivet. Or as shown in fig. 3, the anode metal plate 13 is directly placed on the outer wall of the glass fiber sleeve reinforced structure 12 near the top end, and is looped by one circle and fixed by rivets, so that the insulating sleeve joint is realized.

One end of the lead wire 14 is fixedly connected to the anode metal plate 13 by soldering, and the lead wire 14 may be connected to the circumference of the bottom end edge or the top end edge of the anode metal plate 13 depending on the position where the anode metal plate 13 is disposed. The other end of the wire 14 may be soldered directly to the outer wall of the steel column 11, or may be soldered to the outer wall of the steel column 11 through a conductive block to be electrically connected to the steel column 11. The exposed part of the lead 14 is wrapped with a wire sheath, which protects the lead 14.

The anode metal plate 13 is electrically connected to the steel column 11 through a plurality of wires 14, forming a sacrificial anode protection mechanism. In the marine or river environment, erosion of the splash zone is mainly due to the existence of anions and cations, which form potential difference and are easy to generate chemical corrosion. The anode made of active metal material is easy to lose electrons in the environment, the electrons flow into the steel column 11 through the plurality of leads 14 and form a certain potential difference with the steel column 11, chemical corrosion is guided to the metal anode plate 13, the metal material of the steel column 11 is prevented from losing electrons and generating chemical reaction or corrosion, and therefore the effect of protecting the steel column 11 is achieved, and the service life of the steel column 11 can be effectively prolonged.

The arrangement of the plurality of leads 11 can improve the circulation efficiency of electrons between the steel column 11 and the anode metal plate 13, and enhance the corrosion prevention effect of the system.

In a preferred embodiment, as shown in fig. 1 and 2, the glass fiber sleeve reinforcing structure 12 includes a main sleeve 21 sleeved on a portion to be reinforced of the steel column 11, a splicing seam 22 is axially disposed on an outer wall of the main sleeve 21, a sealing glue is applied in the splicing seam 22, the splicing seam 22 is connected by a stainless steel nail 23 in an anchoring manner, a circle of sealing ring 24 is fixedly disposed at a bottom portion between the main sleeve 21 and the steel column 11, a grouting material 25 is filled between the main sleeve 21 and the steel column 11, and a circle of top sealing glue is applied at a top portion, located on the grouting material 25, between the main sleeve 21 and the steel column 11.

In this embodiment, the main sleeve 21 is a glass fiber sleeve, and is made of a glass fiber plate, and is sleeved on the steel column 11 through the spreading splicing seam 22. After the edges of the splicing seams 22 are overlapped in a staggered mode, the main sleeve 21 is fixed through a fastening belt, sealing glue is smeared at the splicing seams 22 for sealing, and then the main sleeve is connected through the stainless steel nails 23 in an anchoring mode. The stainless steel nails 23 can be distributed in a Z shape, so that the anchoring effect is enhanced.

A sealing rubber strip is fixed on the inner side of the bottom edge of the main sleeve 21, after the main sleeve 21 is sleeved on the steel column 11, the sealing rubber strip forms a circle of sealing ring 24, and sealing glue is smeared at the joint of the splicing seam 22 for sealing. After the glue is dried, grouting material 15 is poured between the main sleeve 21 and the steel column 11. The grouting material 15 is a cement-based grouting material or an epoxy grouting material, and is an environment-friendly material. When the grouting material 15 is poured, 15-20cm of grouting material is poured firstly, after the grouting material is completely cured and plays a supporting role, the whole gap is filled completely, and finally, the top of the gap is coated with a capping glue for sealing.

The wire 14 extends into the fiberglass sleeve reinforcing structure 12 in two ways. Firstly, a section of the lead 14 close to the end is fixed on the inner wall of the main sleeve 21 by gluing, and a movable end is left at the bottom end; alternatively, when the main sleeve 21 is machined, one end of the wire 14 is embedded into the top end of the main sleeve 21, and the end of the wire 14 extends out of the inner wall of the main sleeve 21 to form a movable end.

Before the glass fiber sleeve reinforced structure 12 is installed, the movable end of the wire 14 is bent upwards to extend out of the top of the main sleeve 21, and the main sleeve 21 is sleeved on the steel column 11. The exposed ends of the free ends of the wires 14 are then soldered, one by one, directly or indirectly through conductive bumps, to the steel posts 11. By moving the main sleeve 11 upward, the movable end of the wire 14 is retracted into the main sleeve 21. And then the installation of the glass fiber sleeve reinforced structure 12 is continuously completed.

In a preferred embodiment, as shown in fig. 2, a plurality of diamond-shaped stoppers 26 are uniformly arranged on the inner wall of the main sleeve 21.

In this embodiment, the stopper 26, i.e., the protrusion provided on the inner wall of the main sleeve 21, may be integrally formed by machining the main sleeve 21. The arrangement of the stopper 26 can ensure that a gap with equal spacing is left between the main sleeve 21 and the steel column 11 to be reinforced, and the thickness of the grouting material 25 after grouting is uniform. By controlling the height of the stopper 26, the thickness of the grout 25 can be controlled. The diamond shape of the stopper 26 enhances the supporting strength when the main sleeve 21 is installed.

In a preferred embodiment, the glass fiber sleeve reinforcing structure 12 further includes at least 1 supporting sleeve, the outer wall of the main sleeve 21 is provided with at least 1 supporting opening, and one end of the supporting sleeve is connected with the supporting opening in a sealing manner through sealing compound.

In this embodiment, when the portion to be reinforced of the steel column 11 is connected with a cross brace or an inclined brace, the joint between the steel column 11 and the support can be reinforced and repaired by the support sleeve. The number of the supporting openings and the number of the supporting sleeves are controlled according to the number of the supports connected with the steel column 11.

The supporting sleeve comprises flange type sleeves symmetrically spliced on two sides of the support, and the splicing positions of the two flange type sleeves are connected through stainless steel nail anchoring. Can be conveniently sleeved on the support. The support sleeve is moved toward the main sleeve 21 side along the support in alignment with the support port, and the gap between the support sleeve and the main sleeve 21 is sealed by the sealant and fixedly connected.

The flange type sleeve is a half of the complete sleeve after being divided into halves along the axial direction, and the outer side of the edge of the half sleeve along the axial direction is integrally provided with a skirt edge for connecting and fixing. And buckling the two flange type sleeves together, and forming a complete sleeve by anchoring the corresponding skirt edges. Can be very convenient to be sleeved on the support.

In the description of the present specification, the terms "connect", "mount", "fix", and the like are to be understood in a broad sense, for example, "connect" may be a fixed connection, a detachable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In the description of the present application, the description of the terms "one embodiment," "some embodiments," etc. means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A reinforcing and repairing system for cooperatively protecting a steel column by a sacrificial anode and a glass fiber sleeve is characterized by comprising a glass fiber sleeve reinforcing structure arranged at a part of the steel column to be reinforced; a circle of anode metal plate is fixedly sleeved on the steel column in an insulating way; and a plurality of leads are electrically connected to the anode metal plate at equal intervals along the annular direction, and one ends of the leads, which are far away from the anode metal plate, extend into the glass fiber sleeve reinforced structure and are electrically connected with the steel column.

2. The reinforcement repair system according to claim 1, wherein the glass fiber sleeve reinforcement structure comprises a main sleeve sleeved on a portion to be reinforced of the steel column, a splicing seam is arranged on the outer wall of the main sleeve along the axial direction of the main sleeve, sealing glue is coated in the splicing seam, the splicing seam is connected through a stainless steel nail in an anchoring manner, a circle of sealing ring is fixedly arranged at the bottom between the main sleeve and the steel column, grouting material is filled between the main sleeve and the steel column, and a circle of capping glue is coated at the top of the grouting material between the main sleeve and the steel column.

3. The reinforcement repair system according to claim 2, wherein a plurality of diamond-shaped stoppers are uniformly arranged on the inner wall of the main sleeve.

4. The reinforcement repair system according to claim 3, wherein the glass fiber sleeve reinforcement structure further comprises at least 1 supporting sleeve, the outer wall of the main sleeve is provided with at least 1 supporting opening, and one end of the supporting sleeve is connected with the supporting opening in a sealing manner through sealing glue.