CN220868594U - Rust-proof device for postpone wall column vertical steel bar - Google Patents

Rust-proof device for postpone wall column vertical steel bar Download PDF

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Publication number
CN220868594U
CN220868594U CN202322246228.6U CN202322246228U CN220868594U CN 220868594 U CN220868594 U CN 220868594U CN 202322246228 U CN202322246228 U CN 202322246228U CN 220868594 U CN220868594 U CN 220868594U
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steel bar
sleeve
vertical
rust
layer
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CN202322246228.6U
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乌凤文
韩李庆
韩江
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China Huaye Group Co Ltd
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China Huaye Group Co Ltd
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Abstract

The utility model provides a rust-proof device for postpone wall column vertical steel bars, which comprises a steel bar isolation protective layer, a sleeve and a pouring layer; the steel bar isolation protection layer is wound on the outer side wall of the vertical steel bar and the top of the vertical steel bar, and a gap is reserved between the bottom end of the steel bar isolation protection layer and the root of the vertical steel bar; the sleeve is sleeved on the periphery of the isolation protection layer, the top end of the sleeve is higher than the top end of the isolation protection layer, and the bottom end of the sleeve is arranged on the concrete contact surface of the vertical steel bar; the pouring layer is arranged between the periphery of the reinforcement isolation protective layer and the inner side wall of the sleeve and between the root of the vertical reinforcement and the inner side wall of the sleeve. The utility model can solve the problem of poor rust prevention effect in the prior art; and in the subsequent re-construction, the cement paste is required to be cleaned or the rust-proof paint is required to be removed, and a great deal of labor cost and low construction efficiency are required.

Description

Rust-proof device for postpone wall column vertical steel bar
Technical Field
The utility model relates to the technical field of building construction, in particular to a rust-proof device for postpone wall column vertical steel bars.
Background
During construction of a building, construction may be suspended or suspended for various reasons, such as broken capital chain, unauthorized construction, uncontrollable factors such as natural weather, etc., in the course of construction to half of the projects. Therefore, the reserved upper layer vertical steel bars are exposed in the air due to shutdown after the construction of a part of foundation structure or a part of main structure is constructed in engineering, and the lower layer structures such as wall columns and the like are constructed, and the steel bars are corroded due to long-time wind, blowing and rain. If the factors which cause shutdown are relieved after a period of time, the subsequent structural engineering can be continued, but the steel bars are corroded seriously, the steel bars which are corroded seriously cannot meet the structural safety requirement, and reinforcing measures such as bar planting and the like are needed to be carried out on the structure, so that great waste is caused.
The solutions currently adopted for this purpose are: brushing a layer of plain cement paste or smearing a layer of rust-proof paint on the surface of the steel bar so as to perform rust-proof protection on the exposed vertical steel bar which is temporarily stopped, but the method has poor rust-proof effect on the steel bar which is exposed in the air for a long time, and when the construction is continued again, the cement paste needs to be cleaned or the rust-proof paint needs to be removed, so that a great amount of labor cost is required at the moment, and the construction efficiency is lowered.
Disclosure of utility model
In view of the above problems, the present utility model aims to provide a rust-proof device for postpone wall column vertical steel bars, which solves the problems that in the prior art, a method of coating a plain cement paste or a rust-proof paint on the surface of the steel bars to prevent the exposed vertical steel bars from being corroded and protected in suspended construction is adopted, and the rust-proof effect is poor because the steel bars are exposed in the air for a long time; and in the subsequent re-construction, the cement paste is required to be cleaned or the rust-proof paint is required to be removed, and a great deal of labor cost and low construction efficiency are required.
The utility model provides a rust-proof device for postpone wall column vertical steel bars, which comprises a steel bar isolation protective layer, a sleeve and a pouring layer; the steel bar isolation protection layer is wound on the outer side wall of the vertical steel bar and the top of the vertical steel bar, and a gap is reserved between the bottom end of the steel bar isolation protection layer and the root of the vertical steel bar; the sleeve is sleeved on the periphery of the isolation protection layer, the top end of the sleeve is higher than the top end of the isolation protection layer, and the bottom end of the sleeve is arranged on the concrete contact surface of the vertical steel bar; the pouring layer is arranged between the periphery of the reinforcing steel bar isolation protection layer and the inner side wall of the sleeve, the root of the vertical reinforcing steel bar and the inner side wall of the sleeve.
In addition, a pouring port is preferably arranged at the top end of the sleeve; and a plug matched with the pouring opening is arranged at the pouring opening.
Furthermore, preferably, the distance between the bottom end of the reinforcement isolation protection layer and the root of the vertical reinforcement is at least 100 mm.
Furthermore, it is preferable that the top end of the sleeve is higher than the top end of the insulation protection layer by at least 100mm.
In addition, a flexible waterproof layer is preferably arranged at the contact position of the bottom end of the sleeve and the concrete contact surface of the vertical reinforced steel bar.
Further, it is preferable that a protective layer is provided on the outer periphery of the flexible waterproof layer.
Furthermore, it is preferable that the vertical reinforcement bar is located at the middle of the sleeve.
In addition, preferably, the reinforcing steel bar isolation protection layer is an adhesive tape.
Furthermore, it is preferred that the sleeve is a uPVC sleeve.
In addition, the preferable scheme is that the pouring layer is a cement mortar pouring layer.
According to the technical scheme, according to the rust-proof device for the postpone wall column vertical steel bar, provided by the utility model, the steel bar isolation protection layer is wound on the outer side wall and the top of the vertical steel bar, the sleeve is sleeved on the periphery of the steel bar isolation protection layer, namely the periphery of the vertical steel bar, and the casting layer is arranged between the periphery of the steel bar isolation protection layer and the inner side wall of the sleeve as well as between the root of the vertical steel bar and the inner side wall of the sleeve, so that the external air can be isolated in multiple layers, the air is prevented from contacting the steel bar, and the rust-proof effect of the vertical steel bar is enhanced; in addition, as the steel bar isolation protective layers are arranged on the outer side walls and the tops of the vertical steel bars, the vertical steel bars are prevented from being in direct contact with the pouring layers, and the pouring layers of the vertical steel bars are not required to be cleaned during re-construction, so that the vertical steel bars are convenient to dismantle and the follow-up construction is not influenced; through the structural design that a gap is reserved between the bottom end of the reinforcement isolation protective layer and the root of the vertical reinforcement, the root of the vertical reinforcement is in close contact with the pouring layer, so that air and rainwater are prevented from entering from the root of the vertical reinforcement, and the rust-proof effect is further enhanced; the utility model has the advantages of good rust-proof effect on the vertical reserved steel bars, convenient disassembly and assembly, low cost, capability of effectively improving the subsequent construction efficiency and the like.
Drawings
Other objects and attainments together with a more complete understanding of the utility model will become apparent and appreciated by referring to the following description taken in conjunction with the accompanying drawings. In the drawings:
Fig. 1 is a schematic structural view of a rust-proof device for a vertical reinforcement of a slow-building wall column according to an embodiment of the present utility model;
Fig. 2 is a flowchart of a method for rust protection of postpone wall column vertical rebars using the rust protection apparatus for a slow-building wall column vertical rebars according to an embodiment of the present utility model.
In the attached drawings, a 1-reinforcing steel bar isolation protective layer, 2-vertical reinforcing steel bars, 3-sleeves, 4-pouring layers, 5-plugs, 6-concrete contact surfaces and 7-flexible waterproof layers.
The same reference numerals will be used throughout the drawings to refer to similar or corresponding features or functions.
Detailed Description
In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of one or more embodiments. It may be evident, however, that such embodiment(s) may be practiced without these specific details.
Aiming at the prior art, the method of coating the surface of the steel bar with plain cement paste or anti-rust paint so as to protect the exposed vertical steel bar from rust in suspended construction is adopted, and the anti-rust effect is poor because the steel bar is exposed in the air for a long time; and in the follow-up re-construction, the cement paste is required to be cleaned again or the rust-proof paint is required to be removed, a great deal of labor cost is required, the problem of low construction efficiency is solved, and the rust-proof device for the postpone wall column vertical steel bars is provided.
Specific embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.
In order to illustrate the rust-proof device for postpone wall column vertical steel bars provided by the utility model, fig. 1 shows the structure of the rust-proof device for the slow building wall column vertical steel bars according to the embodiment of the utility model; fig. 2 shows a flow of a method for rust protection of postpone wall column vertical rebars by using the rust protection device for the wall column vertical rebars in the embodiment of the utility model.
As shown in fig. 1 in combination with fig. 2, the rust-proof device for postpone wall column vertical steel bars provided by the utility model comprises a steel bar isolation protective layer 1, a sleeve 3 and a pouring layer 4; the steel bar isolation protection layer 1 is wound on the outer side wall of the vertical steel bar 2 and the top of the vertical steel bar 2, and a gap is reserved between the bottom end of the steel bar isolation protection layer 1 and the root of the vertical steel bar 2; the sleeve 3 is sleeved on the periphery of the isolation protection layer 1, the top end of the sleeve 3 is higher than the top end of the isolation protection layer 1, and the bottom end of the sleeve 3 is arranged on the concrete contact surface 6 of the vertical steel bar 2; the pouring layer 4 is arranged between the periphery of the reinforcement isolation protection layer 1 and the inner side wall of the sleeve 3 and between the root of the vertical reinforcement 2 and the inner side wall of the sleeve 3.
Wherein, leave the gap between the root of the bottom of the reinforcement isolation protective layer 1 and the vertical reinforcement 2, namely reinforcement isolation protective layer 1 does not cover to the root of vertical reinforcement 2, wherein the gap is the portion that vertical reinforcement 2 lower part was not covered by reinforcement isolation protective layer 1. Because the gap is reserved in general to be smaller, even if the root of the vertical steel bar 2 needs to be cleaned in the subsequent construction, the gap is also cleaned in a small area, and even the gap can not be cleaned. The vertical steel bars 2 are embedded steel bars in the building when construction is suspended, and still need to be used in the follow-up construction.
Through the structural design that the steel bar isolation protection layer 1 is wound and distributed on the outer side wall and the top of the vertical steel bar 2, the sleeve 3 is sleeved on the periphery of the steel bar isolation protection layer 1, namely the periphery of the vertical steel bar 2, and the pouring layer 4 is arranged between the periphery of the steel bar isolation protection layer 1 and the inner side wall of the sleeve 3 as well as between the root of the vertical steel bar 1 and the inner side wall of the sleeve 3, the outside air can be isolated in multiple layers, the air is prevented from contacting with the steel bar, and therefore the rust-proof effect of the vertical steel bar 2 is enhanced; in addition, as the steel bar isolation protective layer 1 is arranged on the outer side wall and the top of the vertical steel bar 2, the vertical steel bar 2 is prevented from being in direct contact with the pouring layer 4, and the pouring layer 4 of the vertical steel bar 2 is not required to be cleaned during re-construction, so that the vertical steel bar is convenient to dismantle and the follow-up construction is not influenced; through the structural design that a gap is reserved between the bottom end of the reinforcement isolation protection layer 1 and the root of the vertical reinforcement 2, the root of the vertical reinforcement 2 is in close contact with the pouring layer 4, so that air and rainwater are prevented from entering from the root of the vertical reinforcement 2, and the rust-proof effect is further enhanced; the utility model has the advantages of good rust-proof effect on the vertical reserved steel bars, convenient disassembly and assembly, low cost, capability of effectively improving the subsequent construction efficiency and the like.
As a preferable scheme of the utility model, a pouring port is arranged at the top end of the sleeve 3; and a plug 5 matched with the pouring opening is arranged at the pouring opening. And after casting, casting materials are added into the sleeve 3, so that a casting layer 4 for protecting the vertical steel bars is formed after forming. The pouring opening is preferably formed at the top of the sleeve, that is, the sleeve 3 is of a structure design with upper and lower openings, the plug 5 can be arranged in the pouring opening in a plugging manner, can also be sleeved outside the pouring opening of the sleeve 3 in a sleeving manner, can be selected according to actual needs, and is not particularly limited.
As a preferable aspect of the present utility model, the distance between the bottom end of the reinforcing bar isolation protective layer 1 and the root of the vertical reinforcing bar 2 is at least 100 mm. The thickness is preferably 100 mm, the cleaning work in the subsequent construction is not increased, the cleaning work can be closely contacted with the pouring layer 4, air and rainwater are prevented from entering from the root of the vertical steel bar 2, and the cleaning work is not particularly limited.
As a preferred embodiment of the present utility model, the top end of the sleeve 3 is higher than the top end of the insulation protection layer 1 by at least 100 mm. In order to mold the top of the vertical reinforcement bar 2, the top of the sleeve 3 is at least 100 mm higher than the top of the reinforcement isolation protective layer 1, for example, 110 mm, 130 mm, 140 mm, etc., and is not particularly limited herein, and may be set according to actual needs.
As a preferred embodiment of the present utility model, a flexible waterproof layer 7 is provided at the contact point of the bottom end of the sleeve 3 with the concrete contact surface 6 of the vertical reinforcing steel bar 2. Prevent rainwater from flowing into the rusted vertical steel bar from the root. The flexible waterproof layer may be made of rubber, cotton or other materials, and is not particularly limited herein.
As a preferable aspect of the present utility model, a protective layer (not shown in the drawings) is provided on the outer periphery of the flexible waterproof layer 7. For example, a cement layer or the like protects the flexible waterproof layer.
As a preferred embodiment of the present utility model, the vertical reinforcing bars 2 are located at the middle of the sleeve 3. The protection surface of the pouring layer 4 to the vertical steel bar 2 is more uniform.
As a preferred embodiment of the present utility model, the reinforcing bar isolation protective layer 1 is an adhesive tape. Plastic films, plastic bags and the like can be used as the reinforcement isolation protective layer 1, so long as the vertical reinforcement 2 can be isolated from the pouring layer 4, the subsequent dismantling and the re-construction are facilitated, and the reinforcement isolation protective layer is not particularly limited.
As a preferred embodiment of the utility model, the sleeve 3 is a uPVC sleeve. The uPVC sleeve uses polyvinyl chloride resin as a carrier, and has the advantages of easy degradation, easy treatment and the like. Other bushings may of course be used instead, for example: the metal pipe, the bamboo pipe, etc. are not particularly limited as long as they can facilitate molding of cement mortar inside thereof.
As a preferred embodiment of the present utility model, the casting layer 4 is a cement mortar casting layer. The cement mortar may be a low grade cement mortar. Such as cement mortars labeled M2.5 or M3. The concrete has certain ductility and cohesive force, and the main components are cement, lime and fine sand, and the concrete needs to be mixed according to a certain proportion when in use, so that the concrete is convenient to form protection for vertical steel bars after molding and rust prevention.
The method for rust prevention of the vertical steel bars by adopting the rust prevention device for the postpone wall column vertical steel bars in the embodiment of the utility model comprises the following steps:
s1, carrying out winding and sealing treatment on the surface of a vertical steel bar 2 by adopting an adhesive tape 1, so that the surface of the vertical steel bar 2 is not exposed;
S2, taking the vertical steel bar 2 wound with the adhesive tape as a central line, and carrying out edge paying-off treatment on the sleeve 3 to determine the sleeving position of the sleeve 3 on the vertical steel bar 2 wound with the adhesive tape;
S3, sleeving the sleeve 3 on the periphery of the vertical steel bar 2 wound with the adhesive tape according to the sleeving position, wherein the top of the sleeve 3 is higher than the top of the vertical steel bar 2 wound with the adhesive tape, and the inside of the sleeve 3 is used as a space to be poured;
S4, injecting cement mortar into the space to be poured from the top of the sleeve 3, so that the cement mortar fills the interior of the sleeve 3;
S5, plugging the top of the sleeve 3 filled with cement mortar by adopting a plug 5 matched with the top of the sleeve 3 so as to finish rust prevention treatment on the vertical steel bars 2.
Before the surface of the vertical steel bar 2 is subjected to winding sealing treatment by adopting the adhesive tape 1 so that the surface of the vertical steel bar 2 is not exposed, the device further comprises:
And (3) roughening the concrete contact surface 6 of the wall column to chisel away the slurry on the surface of the poured concrete until the compact part of the concrete is exposed. Chiseling the surface slurry of the poured concrete until the compact part of the concrete is exposed, so as to enlarge the contact surface with the cement mortar 4 injected later and enhance the rainwater penetration blocking effect.
Adopt sticky tape 1 to twine sealing treatment to the surface of vertical reinforcing bar 2, make the surface of vertical reinforcing bar 2 not expose include:
carrying out regional division treatment on the vertical steel bars 2 of the wall column, reserving a preset length at the root parts of the vertical steel bars as a contact region with cement mortar, and taking the part of the vertical steel bars except the contact region as an adhesive tape isolation region;
The surface of the adhesive tape isolation area of the vertical steel bar 2 is wound and sealed by the adhesive tape 1, so that the surface of the steel bar in the adhesive tape isolation area is not exposed.
The surface of the vertical steel bar 2 is wound with the adhesive tape 1, the position of the adhesive tape 1 is wound, the vertical steel bar 2 is not exposed, and the purpose of the adhesive tape 1 is to block the contact between the cement mortar 4 injected after the adhesive tape is used for blocking the vertical steel bar 2, so that the later cleaning is facilitated. When the adhesive tape 1 is wound, the root of the vertical steel bar 2 is reserved for a certain length without winding the adhesive tape 1, so that the root is tightly contacted with the injected cement mortar 4, and the air and the rainwater are ensured not to rust the vertical steel bar 2
Taking the vertical steel bar 2 of the winding adhesive tape as a central line, carrying out edge paying-off treatment on the sleeve 3 to determine the sleeving position of the sleeve 3 on the vertical steel bar 2 of the winding adhesive tape 1, wherein the sleeving position comprises the following steps:
Taking the vertical steel bar 2 of the winding adhesive tape 1 as a central line, and carrying out side paying-off treatment on the sleeve 3 according to the diameter of the sleeve 3 so that the vertical steel bar 2 of the winding adhesive tape 1 is positioned at the central position of the sleeve 3;
The edge pay-off of the sleeve 3 is marked to determine the sleeving position of the sleeve 3 on the vertical reinforcing steel bar 2 wound with the adhesive tape.
For example, the vertical steel bars 2 wound with the adhesive tape 1 can be used as a central line by adopting a marked line mode, and the positions of the two sides of the sleeve 3 are calculated and determined according to the diameter of the sleeve 3, so that when the sleeve 3 is sleeved on the vertical steel bars 2, the vertical steel bars 2 are positioned in the middle of the sleeve 3, and the protection surface of the vertical steel bars 2 is more uniform when pouring cement mortar is molded.
Injecting cement mortar from the top of the sleeve 3 into the space to be poured, so that the cement mortar fills the interior of the sleeve 3, comprising:
Injecting cement mortar from the top of the sleeve 3, and beating the outer side wall of the sleeve 3 while injecting the cement mortar;
When the inside of the sleeve 3 is filled with cement mortar, checking whether the root of the sleeve 3 is deviated from the pay-off position and whether the sleeve 3 is vertical;
If the root of the sleeve 3 is not at the offset-edge paying-off position and the sleeve 3 is in a vertical state, pouring of the space to be poured is completed.
When cement mortar is injected, cement mortar is injected from the top of the uPVC sleeve, the uPVC sleeve is knocked while cement mortar is injected, the rust-proof vertical steel bar 2 is located in the middle of the uPVC sleeve, and the injected cement mortar is tightly compacted and filled in the uPVC sleeve. When cement mortar is injected and the uPVC sleeve is knocked, the root of the uPVC sleeve and a line placed by the uPVC sleeve cannot deviate, and the uPVC sleeve is ensured to be vertical.
According to the anti-rust device for the postpone wall column vertical steel bar, provided by the utility model, through the structural design that the steel bar isolation protection layer is wound on the outer side wall and the top of the vertical steel bar, the sleeve is sleeved on the periphery of the steel bar isolation protection layer, namely the periphery of the vertical steel bar, and the pouring layer is arranged between the periphery of the steel bar isolation protection layer and the inner side wall of the sleeve as well as between the root of the vertical steel bar and the inner side wall of the sleeve, the outside air can be isolated in multiple layers, and the air is prevented from contacting the steel bar, so that the anti-rust effect of the vertical steel bar is enhanced; in addition, as the steel bar isolation protective layers are arranged on the outer side walls and the tops of the vertical steel bars, the vertical steel bars are prevented from being in direct contact with the pouring layers, and the pouring layers of the vertical steel bars are not required to be cleaned during re-construction, so that the vertical steel bars are convenient to dismantle and the follow-up construction is not influenced; through the structural design that a gap is reserved between the bottom end of the reinforcement isolation protective layer and the root of the vertical reinforcement, the root of the vertical reinforcement is in close contact with the pouring layer, so that air and rainwater are prevented from entering from the root of the vertical reinforcement, and the rust-proof effect is further enhanced; the utility model has the advantages of good rust-proof effect on the vertical reserved steel bars, convenient disassembly and assembly, low cost, capability of effectively improving the subsequent construction efficiency and the like.
The rust-resistant device for postpone wall stud vertical rebars according to the present utility model is described above by way of example with reference to the accompanying drawings. It will be appreciated by those skilled in the art that various modifications may be made to the rust protection device for postpone wall stud vertical rebars set forth in the above utility model without departing from the teachings of the present utility model. Accordingly, the scope of the utility model should be determined from the following claims.

Claims (10)

1. The rust-proof device for the postpone wall column vertical steel bars is characterized by comprising a steel bar isolation protection layer, a sleeve and a pouring layer; wherein,
The steel bar isolation protection layer is wound and distributed on the outer side wall of the vertical steel bar and the top of the vertical steel bar, and a gap is reserved between the bottom end of the steel bar isolation protection layer and the root of the vertical steel bar;
The sleeve is sleeved on the periphery of the isolation protection layer, the top end of the sleeve is higher than the top end of the isolation protection layer, and the bottom end of the sleeve is arranged on the concrete contact surface of the vertical steel bar;
the pouring layer is arranged between the periphery of the reinforcing steel bar isolation protection layer and the inner side wall of the sleeve, the root of the vertical reinforcing steel bar and the inner side wall of the sleeve.
2. The rust-resistant device of postpone wall stud vertical rebars of claim 1,
A pouring port is arranged at the top end of the sleeve;
And a plug matched with the pouring opening is arranged at the pouring opening.
3. The rust-resistant device of postpone wall stud vertical rebars of claim 1,
The distance between the bottom end of the reinforcement isolation protective layer and the root of the vertical reinforcement is at least 100 mm.
4. The rust-resistant device of postpone wall stud vertical rebars of claim 1,
The top end of the sleeve is at least 100 mm higher than the top end of the isolation protection layer.
5. The rust-resistant device of postpone wall stud vertical rebars of claim 1,
And a flexible waterproof layer is arranged at the contact part of the bottom end of the sleeve and the concrete contact surface of the vertical steel bar.
6. The rust-resistant device of postpone wall stud vertical rebars of claim 5,
And a protective layer is arranged on the periphery of the flexible waterproof layer.
7. The rust-resistant device of postpone wall stud vertical rebars of claim 1,
The vertical steel bar is positioned in the middle of the sleeve.
8. The rust-resistant device of postpone wall stud vertical rebars of claim 1,
The reinforcing steel bar isolation protective layer is an adhesive tape.
9. The rust-resistant device of postpone wall stud vertical rebars of claim 1,
The sleeve is a uPVC sleeve.
10. The rust-resistant device of postpone wall stud vertical rebars of claim 1, wherein the casting layer is a cement mortar casting layer.
CN202322246228.6U 2023-08-21 2023-08-21 Rust-proof device for postpone wall column vertical steel bar Active CN220868594U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322246228.6U CN220868594U (en) 2023-08-21 2023-08-21 Rust-proof device for postpone wall column vertical steel bar

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322246228.6U CN220868594U (en) 2023-08-21 2023-08-21 Rust-proof device for postpone wall column vertical steel bar

Publications (1)

Publication Number Publication Date
CN220868594U true CN220868594U (en) 2024-04-30

Family

ID=90807416

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322246228.6U Active CN220868594U (en) 2023-08-21 2023-08-21 Rust-proof device for postpone wall column vertical steel bar

Country Status (1)

Country Link
CN (1) CN220868594U (en)

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