CN217439150U - Prefabricated building external wall panel connection structure - Google Patents
Prefabricated building external wall panel connection structure Download PDFInfo
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- CN217439150U CN217439150U CN202220803488.1U CN202220803488U CN217439150U CN 217439150 U CN217439150 U CN 217439150U CN 202220803488 U CN202220803488 U CN 202220803488U CN 217439150 U CN217439150 U CN 217439150U
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Abstract
The utility model discloses a prefabricated building external wall panel connecting structure, which comprises at least two double-T prestressed wall panels which are spliced in parallel in sequence; the double-T prestressed wallboard consists of wall panels and two outer wall rib plates protruding towards the outer side of the building, and special mortar and glass fiber gridding cloth are filled in the joint gap of two adjacent double-T prestressed wall panels; a plurality of embedded steel plates which are arranged in a sectional manner are also embedded in the vertical connecting gap of the two wall panels; and each pre-buried steel plate is welded with a pre-buried steel bar, and the pre-buried steel bars are arranged in the wall panel of the double-T pre-stressed wall panel. The utility model discloses a prefabricated building side fascia connection structure for the prefabricated building wholeness is strong, and the structure anti-load capacity is stronger, has accelerated construction progress, the energy-concerving and environment-protective of low carbon, the cost of prefabricated building outer wall is low, the durability is high, promote fire control fire behavior, increased the outer wall rigidity and the anti permeability of building.
Description
Technical Field
The utility model relates to a prefabricated building technical field especially relates to prefabricated building side fascia connection structure.
Background
The outer wall surface of the existing factory building is prepared by the following methods: 1 the brick wall builds the outer wall surface, the operation requirement is high, time-consuming, labour-intensive, the pollution is big, the noise is big, easy crack, infiltration scheduling problem. 2. The steel structure color steel plate outer wall surface has high cost, more construction procedures, no heat insulation, easy corrosion, poor durability and low waterproof performance.
When a fully-assembled prefabricated building is constructed, the prefabricated wall body, the building columns and other structural components are generally required to be assembled on site, so that the construction speed of the fully-assembled building is increased, but the prefabricated wall body in the prior art has various problems during on-site installation, so that the construction progress is slow, the connection structure between the prefabricated wall body and the main structure of the assembled building is relatively complex, and relatively more consumables and accessories are used.
In the prior art, although the existing building system is based on a prefabricated heat-preservation superposed wall body, the structures of the building system are split and constructed in a modular design, so that the problems of binding and hoisting of reinforcement cages of all members are solved, and the construction efficiency is high in Chinese patent application 201910693971.1; meanwhile, the prefabricated components are simple to connect and convenient to construct, and can be adjusted according to the practicability of the stress condition of a building system; each component is integrally poured after being connected, so that the structural stability of the whole building is improved, consumables are saved, and construction waste is reduced. However, in the concrete implementation process, the sizes of the structures which need to be coordinated when being built and installed are large, the structures are difficult to install with the main structure of the building, and the connection strength and the service life after the structures are installed are poor.
Therefore, the technical problem to be solved by the patent is as follows: how to connect the prefabricated wall and how to connect the prefabricated wall with the assembly type building frame main part, realize strengthening building structure's bulk strength and life, and control the construction cost rationally, satisfy the demand of on-the-spot quick construction.
SUMMERY OF THE UTILITY MODEL
In order to overcome the not enough of above-mentioned prior art, the utility model provides a can use two T prestressed wallboards commonly used, the prefabricated base material of batch production arrives the job site hoist and mount again, and the construction progress is fast, and low carbon is energy-concerving and environment-protective, and the cost is low, saves time and saves labour, owing to be concrete structure's side fascia, wall strength is high, and the durability is high. The double-T prestressed wallboard is subjected to waterproof node treatment and embedded part welding connection treatment, so that the external wall rigidity and the impermeability of the whole building are improved.
The utility model adopts the technical proposal that: a connecting structure of an external wall panel of a prefabricated building,
the double-T prestressed wallboard comprises at least two double-T prestressed wallboards which are sequentially spliced in parallel;
the double-T prestressed wallboard is provided with a wallboard and two outer wall rib plates protruding towards the outer side of the building, and mortar and glass fiber bonded mesh cloth are filled in a connecting gap between the wallboard and the wallboard of the adjacent double-T prestressed wallboard;
a plurality of embedded steel plates which are arranged in a sectional manner are also embedded in each connecting gap;
and each pre-buried steel plate is welded with a pre-buried steel bar, and the pre-buried steel bars are arranged on the wall panel of the double-T pre-stressed wall panel.
Furthermore, the distance between two adjacent pre-buried steel plates pre-buried in each connecting gap is not more than one and a half times of the width of the double-T pre-stressed wall panel.
Furthermore, the connecting positions of the double-T prestressed wallboard and the prefabricated floor structure and the prefabricated support columns of the prefabricated building are provided with prefabricated L-shaped joists, and the double-T prestressed wallboard is fixedly connected with the prefabricated floor structure and/or the prefabricated support columns through expansion bolts and rubber base plates.
Furthermore, an EPS plate is arranged between the double-T prestressed wallboard and the prefabricated floor structure and between the double-T prestressed wallboard and the prefabricated support columns.
Further, the bottom of the double-T prestressed wallboard is vertically placed on a prefabricated L-shaped foundation bearing platform beam, and the prefabricated L-shaped foundation bearing platform beam is placed on a prefabricated foundation.
Furthermore, when the double-T prestressed wallboard is connected with the prefabricated L-shaped foundation bearing platform beam, the bottom of the double-T prestressed wallboard extends into the bottom of the indoor terrace and the bottom of the outdoor terrace of the building.
Furthermore, the inner wall surface and the outer wall surface of the double-T prestressed wallboard are made of fair-faced concrete or fully painted with color paint, and mortar painting is not needed.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a prefabricated building side fascia connection structure is by the job site of a plurality of two T prestressed wallboards at the assembly type structure, the pre-buried steel sheet that the inside pre-buried sectional type in joint gap was arranged to and fill the mortar and glue the sealed making of glass fiber net check cloth, realized that the prefabricated basic material of batch production arrives job site hoist and mount again, the construction progress is fast, low carbon is energy-concerving and environment-protective, and the cost is low, saves time and saves labour.
In addition, because the external wall panel is of a concrete structure, the wall body is high in strength, high in durability, good in fire-fighting waterproof performance, corrosion-resistant and good in waterproof performance, and the double-T prestressed wall panels are subjected to waterproof node treatment and embedded part welding connection treatment, so that the external wall rigidity and the impermeability of the whole building are improved.
To sum up, the utility model discloses a prefabricated building side fascia connection structure uses the two T prestressed wall boards commonly used to seal fixedly side by side in vertical direction and pack the pre-buried steel sheet of high strength and pre-buried reinforcing bar and make for the anti load capacity of assembly type building overall structure is stronger, has promoted the construction progress of prefabricated building side fascia, the energy-concerving and environment-protective of low carbon, cost is low, the durability is high, fire control waterproof performance, the outer wall rigidity and the impermeability of building.
Drawings
FIG. 1 is a three-dimensional structural view of an embodiment of a prefabricated building external wall panel connection structure;
fig. 2 is a schematic position diagram of an embedded steel plate and embedded steel bars connected with two layers of prefabricated building external wall panels;
FIG. 3 is a schematic view of the connection structure of the prefabricated building external wall panel with the prefabricated floor structure 8 and the prefabricated support columns 9;
fig. 4 is a schematic view of the connection structure between the prefabricated building external wall panel and the edge column of the prefabricated support column 9 located at the most lateral side;
FIG. 5 is a schematic view of a connection structure of the prefabricated building external wall panel with the building indoor terrace and outdoor terrace;
wherein: 1-double T prestressed wallboard, 101-wall panel and 102-external wall rib plate; 2-connecting gaps, 3-mortar, 4-glass fiber bonded mesh cloth, 5-embedded steel plates, 6-embedded steel bars, 7-EPS (expandable polystyrene) plates, 8-prefabricated floor structures, 9-prefabricated support columns, 10-prefabricated L-shaped joists, 11-expansion bolts, 12-rubber base plates, 13-prefabricated L-shaped foundation bearing platform beams, 14-building indoor terraces, 15-outdoor terraces and 16-prefabricated foundations.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the combination or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. In addition, in the description process of the embodiment of the present invention, the position relationships of the devices such as "up", "down", "front", "back", "left", "right" in all the drawings all use fig. 1 as a standard.
As shown in fig. 1 and 2, the prefabricated construction exterior wall panel coupling structure,
the double-T prestressed wallboard comprises at least two double-T prestressed wallboards 1 which are sequentially spliced in parallel;
the double-T prestressed wallboard 1 is provided with a wallboard 101 and two outer wall ribbed slabs 102 protruding towards the outside of a building, and mortar 3 and glass fiber mesh cloth 4 are filled in a connecting gap 2 between the wallboard 101 and the wallboard 101 of the adjacent double-T prestressed wallboard 1;
a plurality of embedded steel plates 5 which are arranged in a sectional manner are also embedded in each connecting gap 2;
each pre-buried steel plate 5 is welded with a pre-buried steel bar 6, the pre-buried steel bars 6 are arranged on the wall panel 101 of the double-T pre-stressed wall panel 1, so that the shearing resistance and the tensile strength of the double-T pre-stressed wall panel are improved, the connection strength of the whole building external wall panel is enhanced, the tensile strength and the shearing strength of the external wall body are enhanced, the stress load of earthquake, vibration, wind power and the like can be borne by the external wall panel, when the building external wall panel with the structure is connected, only two double-T pre-stressed wall panels 1 need to be spliced, reasonable pre-buried steel plates 5 are arranged in the external wall panel, and a proper amount of mortar 3 and bonded glass fiber mesh cloth 4 are filled in the external wall panel.
The distance between two adjacent pre-buried steel plates 5 which are still pre-buried in each connecting gap 2 of the prefabricated building external wall plate connecting structure is not more than one and five times of the double-T pre-stressed wall plate 1, so that the bearing capacity of the whole prefabricated building external wall can be better improved.
The double-T prestressed wallboard 1 of the prefabricated building external wallboard connecting structure is provided with a prefabricated L-shaped joist 10 at the connecting position with a prefabricated floor structure 8 and a prefabricated support column 9 of a prefabricated building, and is fixedly connected with the prefabricated floor structure 8 and/or the prefabricated support column 9 through an expansion bolt 11 and a rubber base plate 12, as shown in figure 3, the double-T prestressed wallboard 1 and the prefabricated floor structure 8 and the prefabricated support column 9 of the prefabricated building are fixedly connected by the connecting structure, so that the connecting performance of the double-T prestressed wallboard 1 and a building main body structure is improved, the long service life of the double-T prestressed wallboard 1 is ensured, and the building quality of the double-T prestressed wallboard is ensured; the specific connection mode is as follows: the bolts 11 are penetrated to the end part of the prefabricated floor structure 8, and rubber cushion plates are arranged between the prefabricated floor structure 8 and the double-T prestressed wall slab 1 to play a certain role in sealing and pre-compressing. Fig. 4 is a schematic view of the connection structure between the prefabricated building external wall panel and the most lateral side column of the prefabricated supporting column 9, which also uses expansion bolts 11 to penetrate through the double T prestressed wall panel 1 and the internal prefabricated supporting column 9.
And an EPS board 7 is arranged between the double-T prestressed wallboard 1 of the prefabricated building external wallboard connecting structure and the prefabricated floor structure 8 and between the double-T prestressed wallboard and the prefabricated support columns 9, so that the gap is ensured to have better waterproof performance and anti-seismic performance. In the specific implementation process, the connecting gap can be filled with foam filler for filling joints and keeping warm.
From fig. 5, it can also be seen that the bottom of the double T prestressed wall panel 1 of the prefabricated building external wall panel connection structure is vertically placed on the prefabricated L-shaped foundation cap beam 13, and the prefabricated L-shaped foundation cap beam 13 is placed on the prefabricated foundation 16, so that the bottom of the double T prestressed wall panel 1 is well supported without special processing.
When the double-T prestressed wall panel 1 and the prefabricated L-shaped foundation bearing platform beam 13 of the prefabricated building external wall panel connecting structure are connected, the bottom of the double-T prestressed wall panel extends into the bottoms of an indoor floor 14 and an outdoor floor 15 of the building so as to be carried at the top position of the prefabricated L-shaped foundation bearing platform beam 13, and meanwhile, the prefabricated foundation 16 at the moment is embedded at the bottoms of the indoor floor and the outdoor floor.
Precast building external wallboard connection structure the interior wall surface of two T prestressed wall boards 1 is gone up to be full of clear water concrete or colour coating to realize unified decoration, make two T prestressed wall boards major structure and decorative layer integration when the construction, reduce the construction degree of difficulty, and removed the hidden danger that the two T prestressed wall board outer walls in later stage drop from.
The embodiment of the present invention discloses a preferred embodiment, but not limited thereto, and those skilled in the art can easily understand the spirit of the present invention according to the above embodiment, and make different extensions and changes, but do not depart from the spirit of the present invention, all of which are within the protection scope of the present invention.
Claims (7)
1. Prefabricated building side fascia connection structure, its characterized in that:
comprises at least two double-T prestressed wallboards (1) which are spliced in parallel in sequence;
the double-T prestressed wallboard (1) is provided with a wallboard (101) and two outer wall rib plates (102) protruding towards the outside of a building, and mortar (3) and glass fiber bonded mesh cloth (4) are filled in a connecting gap (2) between the wallboard (101) and the wallboard (101) of the adjacent double-T prestressed wallboard (1);
a plurality of embedded steel plates (5) which are arranged in a sectional manner are also embedded in each connecting gap (2);
each pre-buried steel plate (5) is welded with a pre-buried steel bar (6), and the pre-buried steel bars (6) are arranged on the wall panel (101) of the double-T pre-stressed wall panel (1).
2. The prefabricated building external wall panel connection structure of claim 1, wherein:
the distance between two adjacent pre-buried steel plates (5) pre-buried in each connecting gap (2) is not more than one and one-half times of the width of the double-T pre-stressed wall panel (1).
3. The prefabricated building external wall panel connection structure of claim 1, wherein:
the double-T prestressed wallboard (1) is provided with a prefabricated L-shaped joist (10) at the connecting position of a prefabricated floor structure (8) and a prefabricated support column (9) of a prefabricated building, and is fixedly connected with the prefabricated floor structure (8) and/or the prefabricated support column (9) through expansion bolts (11) and rubber base plates (12).
4. The prefabricated building external wall panel connection structure of claim 3, wherein:
an EPS plate (7) is further arranged between the double-T prestressed wallboard (1) and the prefabricated floor structure (8) and between the double-T prestressed wallboard and the prefabricated support columns (9).
5. The prefabricated building external wall panel connection structure of claim 1, wherein:
the bottom of the double-T prestressed wallboard (1) is vertically placed on a prefabricated L-shaped foundation bearing platform beam (13), and the prefabricated L-shaped foundation bearing platform beam (13) is arranged on a prefabricated foundation (16).
6. The prefabricated building external wall panel connection structure of claim 5, wherein:
when the double-T prestressed wallboard (1) is connected with the prefabricated L-shaped foundation bearing platform beam (13), the bottom of the double-T prestressed wallboard extends into the bottoms of the building indoor terrace (14) and the outdoor terrace (15).
7. The prefabricated construction exterior wall panel connection structure of any one of claims 1 to 6, wherein: and the inner and outer wall surfaces of the double-T prestressed wallboard (1) are fully brushed with clear concrete or color paint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220803488.1U CN217439150U (en) | 2022-04-08 | 2022-04-08 | Prefabricated building external wall panel connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220803488.1U CN217439150U (en) | 2022-04-08 | 2022-04-08 | Prefabricated building external wall panel connection structure |
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| Publication Number | Publication Date |
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| CN217439150U true CN217439150U (en) | 2022-09-16 |
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| CN202220803488.1U Active CN217439150U (en) | 2022-04-08 | 2022-04-08 | Prefabricated building external wall panel connection structure |
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| CN (1) | CN217439150U (en) |
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