CN218911980U - Prefabricated post external protection structure of assembled composite structure - Google Patents
Prefabricated post external protection structure of assembled composite structure Download PDFInfo
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- CN218911980U CN218911980U CN202223239124.4U CN202223239124U CN218911980U CN 218911980 U CN218911980 U CN 218911980U CN 202223239124 U CN202223239124 U CN 202223239124U CN 218911980 U CN218911980 U CN 218911980U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
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Abstract
The utility model relates to an external protection structure of a prefabricated column of an assembled combined structure, which is suitable for being arranged on the outer side of the prefabricated column and connected with the prefabricated column, and comprises the following components: a fixed bracket; the reinforcing mesh is arranged outside the fixed support along the outer surface of the prefabricated column respectively; the positioning ribs are arranged between the reinforcing mesh and the fixed support, extend out of the fixed support along the longitudinal direction of the fixed support, and are fixedly connected with the fixed support; concrete layer fixed bolster and reinforcing bar net piece set up in the concrete layer for concrete layer is with fixed bolster, reinforcing bar net piece, precast column parcel completely, precast column, fixed bolster and reinforcing bar net piece can't with outside air contact, and concrete layer has the fire resistance, makes precast column have the fire prevention efficiency, compares with the technique of coating fire prevention coating among the prior art, and the construction process of this precast column is simple, convenient and fast, and can realize precast column rapid production in the production process.
Description
Technical Field
The utility model relates to the technical field of building engineering assembled structures, in particular to an assembled composite structure prefabricated column external protection structure.
Background
The steel structure is mainly made of steel, and after the steel structure is used for manufacturing the prefabricated column, the prefabricated column is applied to an assembled public building and is one of main building structure types. Fire can produce destructive damage to steel structure buildings, causing significant loss of life and property.
In the prior art, a fireproof coating with a certain thickness is sprayed on the outer surface of a steel structural member, and a non-inflammable fireproof plate is coated on the outer side of the fireproof coating. But this kind of fire prevention operation is when carrying out cladding protection to the precast column, and it is high to the construction requirement of precast column, and easily causes the material extravagant when cutting to the PLASTIC LAMINATED panel for the cost increases.
Disclosure of Invention
The utility model aims to provide an external protection structure of an assembled composite structure prefabricated column, which has the advantages of simple structure, good fireproof effect and simplicity in manufacture.
In order to achieve the above purpose, the present utility model provides the following technical solutions: an assembled composite structure prefabricated pillar outer protective structure adapted to be disposed outside of and connected with the prefabricated pillar, the protective structure comprising:
the fixing bracket is connected with the surface of the prefabricated column and is uniformly arranged along the surface of the prefabricated column;
the steel bar meshes are arranged in a plurality, the steel bar meshes are respectively arranged outside the fixed support along the outer surface of the prefabricated column, and the edges of two adjacent steel bar meshes are connected with each other;
the positioning ribs are arranged between the reinforcing mesh and the fixing support, extend out of the fixing support in the longitudinal direction of the fixing support, and are fixedly connected with the fixing support;
the concrete layer is arranged outside the prefabricated column, and the fixed support and the reinforcing mesh are arranged inside the concrete layer.
Optionally, in the prefabricated post external protection structure of the assembled composite structure, each fixing support includes a transverse portion and an end portion connected with the transverse portion, the transverse portion is connected with an outer surface of the prefabricated post, a distance exists between a top end of the end portion and the outer surface of the prefabricated post, and the distance is 1-2cm.
Optionally, in the prefabricated post external protection structure of the assembled composite structure, the distance between two adjacent fixing brackets is 400-500mm, and the two adjacent fixing brackets are connected in a splayed or inverted splayed shape.
Optionally, in the prefabricated post external protection structure of the fabricated composite structure, a width of each reinforcing mesh is greater than a width of the corresponding prefabricated post.
Optionally, in the prefabricated column external protection structure of the fabricated composite structure, the distance from each reinforcing mesh to the outer surface of the prefabricated column is the same.
Optionally, in the prefabricated post external protection structure of the assembled composite structure, each reinforcing mesh comprises a plurality of first reinforcing members and a plurality of second reinforcing members, and the first reinforcing members and the second reinforcing members are staggered.
Optionally, in the prefabricated post external protection structure of the assembled composite structure, the positioning rib is disposed in the middle of the fixing bracket along the width direction of the fixing bracket.
Alternatively, the prefabricated column outer protective structure of the fabricated composite structure has a top and a bottom disposed opposite to each other, and the bottom is disposed in a pyramid shape.
The utility model has the beneficial effects that: this application evenly is provided with a plurality of fixed bolsters and sets up at the outside reinforcing bar net piece of fixed bolster and set up the concrete layer in the reinforcing bar net piece outside through at the precast column surface, and fixed bolster and reinforcing bar net piece all set up inside concrete layer, make concrete layer wrap up the fixed bolster completely, reinforcing bar net piece and precast column, fixed bolster and reinforcing bar net piece can't contact with outside air etc., and concrete layer has the fire resistance, make precast column have the fire prevention efficiency, and compare with the technique of coating fire prevention coating among the prior art, this precast column is simple with protective structure's construction process, convenient and fast, and can realize precast column rapid production in the production process.
The foregoing description is only an overview of the present utility model, and is intended to provide a better understanding of the present utility model, as it is embodied in the following description, with reference to the preferred embodiments of the present utility model and the accompanying drawings.
Drawings
FIG. 1 is a schematic view of a portion of an external protective structure of a fabricated composite structure prefabricated pillar according to the present utility model;
FIG. 2 is an enlarged view of a portion of the exterior protective structure of the fabricated composite structure preform column shown in FIG. 1;
FIG. 3 is a cross-sectional view of the fabricated composite structure prefabricated pillar outer cover structure of FIG. 1;
FIG. 4 is a standard schematic view of the prefabricated pillar outer protective structure of the fabricated composite structure of FIG. 1;
fig. 5 is an enlarged view of a portion of the fabricated composite structure preform column outer protective structure shown in fig. 4.
Detailed Description
The following description of the embodiments of the present application will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. The present application will be described in detail hereinafter with reference to the accompanying drawings in conjunction with embodiments. It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other.
It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order.
In this application, unless otherwise indicated, terms of orientation such as "upper, lower, top, bottom" are used generally with respect to the orientation shown in the drawings or with respect to the component itself in the vertical, upright or gravitational direction; also, for ease of understanding and description, "inner and outer" refers to inner and outer relative to the profile of each component itself, but the above-mentioned orientation terms are not intended to limit the present application.
Referring to fig. 1-5, a prefabricated pillar outer protective structure of a fabricated composite structure according to a preferred embodiment of the present utility model is adapted to be disposed on an outer surface of a prefabricated pillar 10 and connected to the prefabricated pillar 10. The above-mentioned protective structure wraps up the prefabricated column 10 so that the prefabricated column 10 cannot be contacted with external air, fire, etc., and further the prefabricated column has fireproof and anti-corrosive effects.
Specifically, the protective structure 20 includes a plurality of fixing brackets 1, reinforcing mesh 2, and concrete layer 3. The plurality of fixing brackets 1 are uniformly arranged along the surface of the prefabricated column 10, a plurality of reinforcing mesh pieces 2 are arranged, the plurality of reinforcing mesh pieces 2 are respectively arranged outside the fixing brackets 1 along the outer surface of the prefabricated column 10, and the edges of two adjacent reinforcing mesh pieces 2 are connected with each other; the concrete layer 3 sets up in prefabricated post 10 outsidely, and fixed bolster 1 and reinforcing bar net piece 2 set up inside concrete layer 3 to make concrete layer 3 can wrap up prefabricated post 10 and fixed bolster 1 and reinforcing bar net piece 2 completely, prevent that the three from exposing outside, with fire kind or external air contact, make whole prefabricated post have fire prevention anticorrosive effect. The purpose of the plurality of reinforcing mesh sheets 2 is to enhance the crack resistance of the overcoated concrete layer.
More specifically, each fixing bracket 1 includes a cross portion 12 and an end portion 11 connected to the cross portion 12, the cross portion 12 is connected to the outer surface of the prefabricated pillar 10, and each fixing bracket 1 is disposed at an angle to the surface of the prefabricated pillar 10. In this embodiment, the two adjacent fixing brackets 1 are arranged in a splayed or inverted splayed shape, so that not only the stability of the protection structure of the prefabricated column 10 in the processing process can be ensured, but also the fixing brackets 1 can not expose the surface of the concrete layer 3. There is a distance between the tip of the end portion 11 and the outer surface of the prefabricated column 10, which is 1-2cm. In this embodiment, the fixing bracket 1 is formed by bending two ends of a reinforcing steel bar, two bending parts are used as end parts 11, a middle part is used as a transverse part 12, and in this embodiment, the two end parts 11 are connected with the outer surface of the prefabricated column 10 by spot welding, so as to ensure the fixing stability of the fixing bracket 1 and the prefabricated column 10. The distance between the end 11 and the outer surface of the prefabricated column 10 is set to be 1-2cm, and the distance between two adjacent groups of fixing brackets 1 is 400-500mm, so that concrete can be uniformly settled during pouring, gas in the concrete slurry is reduced, and the stability and the firmness of the concrete layer 3 are ensured. In other embodiments, the connection between the two ends of the fixing bracket 1 and the prefabricated column 10 may be other, for example, the fixing bracket 1 is connected with the prefabricated column 10 by a fastener, and in other embodiments, the distance between the transverse portion 12 and the surface of the prefabricated column 10 may be other, which is determined according to the actual thickness of the concrete layer 3.
In the above, the positioning ribs 4 are arranged along the longitudinal direction of the arrangement of the fixing support 1, the positioning ribs 4 slightly protrude out of the fixing support 1, two ends of the positioning ribs 4 are fixedly connected with the fixing support 1 positioned on the outer surface of the prefabricated column 10 in a spot welding mode, and meanwhile, the middle parts of the positioning ribs 4 are pressed against the fixing support 1 towards the prefabricated column 10 to enable the fixing support to be connected to form an integral structure, so that the connection stability of the reinforcing mesh 2 and the surface of the prefabricated column 10 is further facilitated; and along the width direction of fixed bolster 1, locating rib 4 sets up at the middle part of fixed bolster 1, reaches the effect that only uses a locating rib 4 just can fix all fixed bolsters 1 that vertically arrange, not only stability is good, and with low costs. It should be noted that, in this embodiment, the prefabricated column is a cuboid, and the fixing support 1 and the positioning ribs 4 need to be disposed on four surfaces of the prefabricated column, so the reinforcing mesh 2 and the positioning ribs 4 are disposed four, and in other embodiments, a plurality of positioning ribs 4 may be disposed on one surface, and the specific number of the positioning ribs 4 is not specifically limited here, and is determined according to practical situations.
As described above, the width of each reinforcing mesh 2 is greater than the width of the corresponding prefabricated column 10, and the distance from each reinforcing mesh 2 to the outer surface of the prefabricated column 10 is the same. Specifically, each reinforcing mesh 2 includes a plurality of first reinforcing bar pieces 211 and second reinforcing bar pieces 212, and a plurality of first reinforcing bar pieces 211 and a plurality of second reinforcing bar pieces 212 are staggered with each other. It will also be understood that the four reinforcing mesh sheets 2 are disposed around the exterior of the prefabricated column 10, and the edges of the four reinforcing mesh sheets 2 are connected to each other to form a reinforcing frame, the sectional area of which is larger than that of the prefabricated column 10, so that concrete slurry can be poured into the space formed between the reinforcing frame and the positioning ribs 4 and the fixing support 1 to form a concrete layer 3, and the reinforcing frame, the positioning ribs 4 and the fixing support 1 are protected, so that the whole prefabricated column has fireproof and antiseptic effects. It should be noted that, in this embodiment, the concrete layer 3 has a top 31 and a bottom 32 which are oppositely disposed, and the bottom 32 is in a pyramid shape, that is, when the concrete layer 3 is manufactured, the lower opening of the concrete layer 3 needs to be poured into a foam rough surface with a bevel shape, so as to ensure that the bevel-shaped rough surface has a certain shearing resistance when being used as a superposition surface, and better bonds with the concrete poured subsequently, and the lower opening is disposed in the bevel shape, so that the bonding area can be increased, and the subsequent pouring of a concrete protection layer and the like are facilitated.
The application also provides a manufacturing method of the prefabricated column external protection structure of the assembled composite structure, which comprises the following steps:
spot welding fixing brackets positioned at the edge of the surface of the prefabricated column on the surface of the prefabricated column, and keeping the same height of all the fixing brackets;
the positioning ribs are arranged in the middle of the fixed brackets arranged on the surface of each prefabricated column, and two ends of the positioning ribs are connected to the fixed brackets positioned at the edge in a spot welding mode;
the rest fixed brackets are sequentially arranged between the fixed brackets at the two edges;
the edges of two adjacent reinforcing steel meshes are connected with each other to form a semi-finished product structure;
placing the semi-finished product structure in a mould to pour concrete slurry to form a concrete layer;
and (5) removing the die after maintenance.
To sum up: the manufacturing process of the prefabricated post external protection structure of the assembled composite structure is as follows: firstly, spot-welding fixing brackets positioned at the edge of the surface of a prefabricated column on the surface of the prefabricated column, keeping all the fixing brackets at the same height, then arranging a positioning rib at the middle part of the fixing brackets, spot-welding the end parts of the positioning rib with the fixing brackets at the two edges, sequentially and uniformly arranging the rest fixing brackets between the fixing brackets at the two edges, and spot-welding the rest fixing brackets with the surface of the prefabricated column to ensure that each group of fixing brackets are kept at the same height, so that each fixing bracket is propped against the positioning rib, and further ensuring the stability of a protective structure; finally, arranging a plurality of reinforcing steel bar meshes 2 on the outer sides of the positioning ribs 4, and connecting the edges of two adjacent reinforcing steel bar meshes 2 to form a semi-finished product structure; placing the semi-finished product structure in a mould to pour concrete slurry, and allowing the concrete slurry to flow into a space formed by the surfaces of the reinforcing mesh 2, the positioning ribs 4, the fixing support 1 and the prefabricated column 10 so as to completely wrap the reinforcing mesh 2, the positioning ribs 4, the fixing support 1 and the prefabricated column 10 to form a concrete layer 3; and after the concrete pouring is finished, maintaining for a certain time, and removing the die. Compared with the prior art, the structure formed by the reinforcing mesh 2 and the fixed support 1 is used for manufacturing prefabricated columns with different specifications, so that the construction process is simplified, and the construction process is more convenient and quicker; the reinforcing mesh 2 is arranged in the concrete layer 3, so that the crack resistance of the outer wrapping structure of the prefabricated column can be enhanced, and the formed structure is firmer and is convenient to transport; the structure formed by the reinforcing mesh 2, the fixed support 1 and the positioning ribs 4 is connected to the surface of the prefabricated column 10 in a spot welding manner, so that the problem of complicated construction is solved, the construction work efficiency is improved, and the factory standardized operation is facilitated; and moreover, the prefabricated column can be transported to the site for direct use after being integrally formed, so that site construction is effectively avoided, standardized production of factories is also facilitated to a certain extent, and the fireproof and anticorrosion effects can be achieved.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (8)
1. An assembled composite structure prefabricated pillar outer protective structure adapted to be disposed outside of and connected to the prefabricated pillar, the protective structure comprising:
the fixing bracket is connected with the surface of the prefabricated column and is uniformly arranged along the surface of the prefabricated column;
the steel bar meshes are arranged in a plurality, the steel bar meshes are respectively arranged outside the fixed support along the outer surface of the prefabricated column, and the edges of two adjacent steel bar meshes are connected with each other;
the positioning ribs are arranged between the reinforcing mesh and the fixing support, extend out of the fixing support in the longitudinal direction of the fixing support, and are fixedly connected with the fixing support;
the concrete layer is arranged outside the prefabricated column, and the fixed support and the reinforcing mesh are arranged inside the concrete layer.
2. The fabricated composite structure prefabricated pillar outer protective structure according to claim 1, wherein each of the fixing brackets includes a lateral portion connected to an outer surface of the prefabricated pillar and an end portion connected to the lateral portion, and a distance exists between a tip end of the end portion and the outer surface of the prefabricated pillar, the distance being 1-2cm.
3. The prefabricated post exterior protective structure of assembled composite structure according to claim 1, wherein the distance between two adjacent fixing brackets is 400-500mm, and the two adjacent fixing brackets are connected in a splayed or inverted splayed shape.
4. The fabricated composite structure prefabricated pillar outer protective structure according to claim 1, wherein a width of each of said reinforcing mesh sheets is greater than a width of a corresponding one of said prefabricated pillars.
5. The modular composite structure prefabricated pillar outer panel structure of claim 4, wherein each of said reinforcement mat is equidistant from said prefabricated pillar outer surface.
6. The prefabricated post exterior protective structure of assembled composite structure according to claim 1, wherein each of said reinforcement mesh comprises a plurality of first reinforcement members and a plurality of second reinforcement members, said plurality of first reinforcement members being staggered with said plurality of second reinforcement members.
7. The prefabricated pillar outer panel structure according to claim 1, wherein the positioning rib is provided in a middle portion of the fixing bracket in a width direction of the fixing bracket.
8. The fabricated composite structure prefabricated pillar outer protective structure according to claim 1, wherein said concrete layer has oppositely disposed top and bottom portions, said bottom portions being disposed in a pyramid shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223239124.4U CN218911980U (en) | 2022-12-02 | 2022-12-02 | Prefabricated post external protection structure of assembled composite structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223239124.4U CN218911980U (en) | 2022-12-02 | 2022-12-02 | Prefabricated post external protection structure of assembled composite structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218911980U true CN218911980U (en) | 2023-04-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223239124.4U Active CN218911980U (en) | 2022-12-02 | 2022-12-02 | Prefabricated post external protection structure of assembled composite structure |
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| Country | Link |
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| CN (1) | CN218911980U (en) |
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- 2022-12-02 CN CN202223239124.4U patent/CN218911980U/en active Active
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