CN112814194A - Dry-type connection outer wall structure system and installation method thereof - Google Patents
Dry-type connection outer wall structure system and installation method thereof Download PDFInfo
- Publication number
- CN112814194A CN112814194A CN202011639738.4A CN202011639738A CN112814194A CN 112814194 A CN112814194 A CN 112814194A CN 202011639738 A CN202011639738 A CN 202011639738A CN 112814194 A CN112814194 A CN 112814194A
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- rabbet
- wall panel
- external wall
- dry
- tongue
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/61—Connections for building structures in general of slab-shaped building elements with each other
- E04B1/6108—Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together
- E04B1/612—Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together by means between frontal surfaces
- E04B1/6125—Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together by means between frontal surfaces with protrusions on the one frontal surface co-operating with recesses in the other frontal surface
- E04B1/6141—Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together by means between frontal surfaces with protrusions on the one frontal surface co-operating with recesses in the other frontal surface the connection made by an additional locking key
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
- E04B1/68—Sealings of joints, e.g. expansion joints
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
- E04B1/68—Sealings of joints, e.g. expansion joints
- E04B1/6801—Fillings therefor
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
- E04B1/68—Sealings of joints, e.g. expansion joints
- E04B1/6807—Expansion elements for parts cast in situ
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention discloses a dry-type connection outer wall structure system and an installation method thereof. The outer wall structure system comprises a plurality of prefabricated outer wall plates, a transverse connector system is formed between two adjacent left and right prefabricated outer wall plates, a vertical connector system is formed between an upper prefabricated outer wall plate, a lower prefabricated outer wall plate and a floor plate, and in the transverse connector system, the left and right outer wall plates are connected together through fasteners; in the vertical connector system, an upper external wall panel and a lower external wall panel are connected together through fasteners. The invention adopts dry operation, can operate in parallel and has good waterproof effect.
Description
Technical Field
The invention relates to a dry type connection outer wall structure system and an installation method thereof, belonging to the field of building industrialization.
Background
The prefabricated outer wall connection in the market at present mainly takes node post-pouring or pure seam post-processing structural adhesive as a main part; the post-cast joint method has large on-site wet operation engineering quantity, and the next layer of installation can be carried out after the post-cast joint is solidified and hardened, thus consuming long time; the risk of water seepage of the outer wall at the later stage of the seam splicing of the pure structural adhesive is large.
In order to solve the problems of the existing prefabricated external wall, a novel prefabricated external wall needs to be developed, a dry type connecting method is adopted, post-pouring nodes are not needed, a waterproof structure mode is changed, and the waterproof grade is improved.
Disclosure of Invention
The invention aims to provide a dry type connection outer wall structure system and an installation method thereof, and the outer wall structure system can solve the following problems:
1. the prefabricated outer wall needs post-pouring to connect the nodes and has large wet work engineering quantity.
2. And the next layer of prefabricated external wall panel can be installed after the post-cast joint is solidified and hardened.
3. The problem that the waterproof hidden danger of current prefabricated outer wall is big.
In order to achieve the purpose, the invention adopts the technical scheme that:
a dry type connecting outer wall structure system comprises a plurality of prefabricated outer wall plates, wherein a transverse connector system is formed between two adjacent left and right prefabricated outer wall plates, and a vertical connector system is formed between an upper prefabricated outer wall plate and a lower prefabricated outer wall plate and a floor slab; the structure is characterized in that: the left side end of the external wall panel is provided with a first tongue-and-groove, the right side end of the external wall panel is provided with a second tongue-and-groove, and the lower end part of the external wall panel is provided with a third tongue-and-groove;
the sum of the thicknesses of the first tongue-and-groove and the second tongue-and-groove does not exceed the thickness of the main body of the external wall panel;
bolts are embedded in the first rabbet and the third rabbet, and embedded parts with holes are embedded in the second rabbet;
in the transverse connector system, a second rabbet of a left external wall panel is matched with a first rabbet of a right external wall panel, and a bolt of the first rabbet penetrates through an embedded part of the second rabbet and then is fixedly connected together through a fastening nut;
in the vertical connector system, a connecting plate with holes is fixed on a rib at the top of the lower external wall panel, the connecting plate penetrates through the floor slab and extends into a third rabbet of the upper external wall panel, and a bolt of the third rabbet penetrates through the connecting plate and then is fixedly connected together through a fastening nut.
According to the embodiment of the invention, the invention can be further optimized, and the following is the technical scheme formed after optimization:
in one preferred embodiment, the first and second rebates extend along the side edge of the fascia for equal lengths.
In a preferred embodiment, the thickness of the third tongue and groove is greater than the thickness of the first tongue and groove or the second tongue and groove.
In a preferred embodiment, the opening direction of the third tongue-and-groove is consistent with the opening direction of the first tongue-and-groove and opposite to the opening direction of the second tongue-and-groove.
In one preferred embodiment, in the transverse connector system, five waterproof layers are sequentially arranged at the joint between the left external wall panel and the right external wall panel from outside to inside, wherein the five waterproof layers are respectively: the outer layer weather-resistant structural adhesive, the outer side concrete rabbet, the waterproof adhesive between the first rabbet and the second rabbet, the inner side concrete rabbet and the inner side weather-resistant structural adhesive.
In a preferred embodiment, a hand hole is formed in the embedded part with the embedded hole of the second tongue-and-groove, and expansion cement is filled in the hand hole after the left outer wall panel and the right outer wall panel are connected.
In a preferred embodiment, the third rabbet is filled with expansion cement after the upper and lower external wall panels are connected.
In one preferred embodiment, the thickness of the first tongue-and-groove or the second tongue-and-groove is not less than 90 mm.
Based on the same inventive concept, the invention also provides an installation method of the dry type connection outer wall structure system, which comprises the following steps:
s1, matching the second rabbet of the left outer wall panel with the first rabbet of the right outer wall panel, coating waterproof adhesive at the rabbet, and fixedly connecting the left outer wall panel and the right outer wall panel together through fastening nuts;
s2, hoisting the laminated floor slab to a lower external wall panel, installing a connecting plate, and pouring floor cast-in-place layer concrete;
s3, hoisting the upper external wall panel, so that the upper end of the connecting plate extends into the third rabbet of the upper external wall panel, coating waterproof adhesive at the rabbet, and fixedly connecting the upper external wall panel and the lower external wall panel together through fixing nuts;
and S4, filling the bolt hand holes and the third tongue-and-groove of the external wall panel with expansion cement.
Therefore, the invention uses a spacer such as a steel plate for buffering to indirectly realize the connection between the bolt and the concrete.
The vertical connection of wallboard adopts the node post-cast to carry out the piece, reduces or has avoided the risk of later stage infiltration. The connecting bolt, the square steel embedded part and the connecting plate can realize quick and accurate positioning connection.
Compared with the prior art, the invention has the beneficial effects that:
1) because the main body of the prefabricated external wall panel is made of reinforced concrete, the thickness of the abutted seam tongue-and-groove at two sides is not less than 90mm, and the prefabricated external wall panel is not easy to damage in the hoisting and mounting processes.
2) Because prefabricated external wall panel both sides and bottom adopt the bolt to connect, the installation rate is high-efficient.
3) After the two sides of the prefabricated external wall panel and the bottom fastening nuts are installed, the whole structure is stable, time waiting is not needed to be carried out like a post-pouring node method, and the upper laminated floor slab can be directly installed.
4) The prefabricated outer wall of the invention comprises five structures of waterproof, outer layer weather-proof structural adhesive, outer side concrete rabbet, waterproof adhesive between the two rabbets, inner side concrete rabbet and inner side weather-proof structural adhesive; compared with the prior art, the later-stage outer wall water seepage risk is greatly reduced.
Drawings
FIG. 1 is a schematic block diagram of one embodiment of the present invention;
FIG. 2 is a front view of FIG. 1;
FIG. 3 is a top view of FIG. 1;
FIG. 4 is a transverse cross-sectional view of FIG. 1;
FIG. 5 is a bottom view of FIG. 1;
FIG. 6 is a left side view of FIG. 1;
FIG. 7 is a right side view of FIG. 1;
FIG. 8 is a schematic diagram of a dry-connect according to one embodiment of the present invention;
FIG. 9 is a schematic view of a dry connect vertical connection;
FIG. 10 is an enlarged fragmentary view of the dry connect vertical connection;
FIG. 11 is a schematic view of a dry connect cross connect.
In the figure
1, 1' -external wall panel; 2-hanging nails; 3-a bolt; 4-fastening a nut; 5-embedded parts; 6-hand hole; 7-a connecting plate; 8-expansive cement; 9-laminated floor slab; 11-a first tongue-and-groove; 12-a second tongue-and-groove; 13-third tongue-and-groove.
Detailed Description
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. For convenience of description, the words "upper", "lower", "left" and "right" in the following description are used only to indicate the correspondence between the upper, lower, left and right directions of the drawings themselves, and do not limit the structure.
A dry-connect exterior wall structural system, as shown in fig. 8, comprises a plurality of prefabricated exterior wall panels 1. The left and right adjacent external wall panels 1 are connected through bolts. The top of the external wall panel 1 needs to be connected with a floor slab in a cast-in-place mode, and the bottom of the external wall panel 1 is connected with a steel plate through bolts.
In this embodiment, the main material of the prefabricated external wall panel 1 is reinforced concrete, the two ends of the external wall panel 1 are provided with L-shaped tongues and grooves, and the bottom of the external wall panel 1 is provided with L-shaped notches.
As shown in fig. 1 to 5, the prefabricated exterior wall panel 1 has a first tongue and groove 11 at a left side end, a second tongue and groove 12 at a right side end, and a third tongue and groove 13 at a lower end. Connecting pieces are embedded in the two vertical sides of the external wall panel 1, the left side end is provided with a connecting bolt 3 (shown in figure 6), and the right side end is provided with a square steel embedded piece 5 (shown in figure 7). The opening directions of the first tongue-and-groove 11 and the second tongue-and-groove 12 are opposite, when the left prefabricated external wall panel 1 and the right prefabricated external wall panel 1 are spliced, the second tongue-and-groove 12 of one prefabricated external wall panel 1 is matched with the first tongue-and-groove 11 of the other prefabricated external wall panel 1', and particularly, the tongue-and-groove between the two external wall panels 1 is connected with the fastening nut 4 through the connecting bolt 3.
The third tongue-and-groove 13 of side fascia 1 bottom also is equipped with built-in fitting 5, and the transverse connection of upper strata side fascia 1 and lower floor side fascia 1 mainly is connected through upper layer bolt 3 of plugging into, the lower floor steel sheet and fastening nut 4 pre-buried in advance.
The thickness of the first tongue-and-groove 11 and the second tongue-and-groove 12 of the external wall panel 1 is preferably half of the thickness of the external wall panel, so that the thickness of the second tongue-and-groove 12 of one prefabricated external wall panel 1 is consistent with the thickness of the external wall panel body when the second tongue-and-groove 12 of another prefabricated external wall panel 1 'is spliced with the first tongue-and-groove 11 of another manufactured external wall panel 1'.
After the two sides and the bottom of the external wall panel 1 are fastened by bolts, the upper laminated floor 9 can be hoisted without waiting for other work.
The overlapped floor slab can be inserted and inserted while being hoisted, and the hand hole 6 and the bottom rabbet of the external wall panel 1 are filled and leveled by the expansion cement 8. The expansive cement 8 is preferably a micro-expansive high-strength mortar.
All nodes in the hoisting and installing process of the whole prefabricated external wall panel 1 are connected by bolts, wet operation waiting is not needed, and construction is efficient. The vertical joints are connected by adopting groove and tongue joint, waterproof glue is coated between the grooves and the tongues, weather-resistant structural glue is coated on the outer side gap of the external wall panel 1, five waterproof measures are taken for the whole vertical joint, and the water seepage possibility of the joint is greatly reduced.
The detailed production and installation steps are as follows:
1. assembling an external wall panel 1 mould, and binding a reinforcement cage;
2. binding the square steel embedded part 5 on a reinforcement cage;
3. fixing the external wall panel 1, and vertically and horizontally connecting bolts 3;
4. installing a hand hole 6 tool;
5. pouring concrete, checking the positioning of the embedded part 5 before initial setting, and adjusting;
6. curing in a curing kiln;
7. dismantling the auxiliary tool, lifting and demolding, and checking whether the bolt hole of the embedded part 5 is blocked;
8. as shown in fig. 11, after the lower prefabricated composite floor slab is hoisted, the connecting plate 7 is installed, and the floor cast-in-place layer concrete is poured; the connecting plate 7 is typically a perforated steel plate.
9. Coating waterproof adhesive on the grooves and tongues on the two sides of the upper prefabricated external wall panel 1;
10. hoisting the upper prefabricated external wall panel 1, stacking the upper prefabricated external wall panel on the upper end of the lower prefabricated external wall, and aligning the connecting bolt 3 hole with the connecting plate 7 hole;
11. mounting the fastening nuts 4 matched with the connecting bolts 3 at the two vertical sides and the bottom of the external wall panel 1;
12. as shown in fig. 9 and 10, the hand holes 6 and the bottom tongue and groove of the external wall panel 1 are filled with the expansion cement 8;
13. and (3) treating the joints of the assembled prefabricated external wall panels 1 by using weather-resistant structural adhesive.
The above-described embodiments are set forth so that this disclosure will be thorough and complete, and will not be limited by any theory presented in the preceding claims, which may suggest themselves to those skilled in the art after reading this disclosure and all equivalents thereof that fall within the scope of the invention as defined in the claims appended hereto.
Claims (9)
1. A dry type connecting outer wall structure system comprises a plurality of prefabricated outer wall plates (1,1 '), wherein a transverse connector system is formed between two adjacent prefabricated outer wall plates (1,1 ') on the left and right, and a vertical connector system is formed between two prefabricated outer wall plates (1,1 ') on the upper and lower and a floor slab (9); the method is characterized in that: the left side end of the external wall panel (1, 1') is provided with a first rabbet (11), the right side end is provided with a second rabbet (12), and the lower end part is provided with a third rabbet (13);
the sum of the thicknesses of the first rabbet (11) and the second rabbet (12) does not exceed the thickness of the main body of the external wall panel (1, 1');
bolts (3) are embedded in the first rabbet (11) and the third rabbet (13), and embedded parts (5) with holes are embedded in the second rabbet (12);
in the transverse connector system, a second rabbet (12) of a left external wall panel (1) is matched with a first rabbet (11) of a right external wall panel (1'), and a bolt of the first rabbet (11) penetrates through an embedded part (5) of the second rabbet (12) and then is fixedly connected together through a fastening nut (4);
in the vertical connector system, a connecting plate (7) with holes is fixed on a rib at the top of the lower external wall panel (1), the connecting plate (7) penetrates through a floor slab (9) and extends into a third rabbet (13) of the upper external wall panel (1 "), and a bolt of the third rabbet (13) penetrates through the connecting plate (7) and then is fixedly connected together through a fastening nut.
2. A dry-connect facade system according to claim 1, characterised in that the first and second rebates (11, 12) extend equally along the side faces of the outer wall panels (1, 1').
3. A dry-connect facade system according to claim 1, characterised in that the thickness of the third tongue-and-groove (13) is greater than the thickness of the first tongue-and-groove (11) or the second tongue-and-groove (12).
4. A dry-connect facade system according to claim 1, characterised in that the third rebate (13) is opened in the same direction as the first rebate (11) and in the opposite direction to the second rebate (12).
5. The dry-type connecting exterior wall structural system according to claim 1, wherein in the transverse connecting subsystem, five waterproof layers are sequentially arranged at the joint of the left exterior wall panel (1) and the right exterior wall panel (1) from outside to inside, and respectively: outer layer weather-resistant structural adhesive, outer side concrete rabbet, waterproof adhesive between the first rabbet (11) and the second rabbet (12), inner side concrete rabbet and inner side weather-resistant structural adhesive.
6. The dry-type connected exterior wall structural system according to any one of claims 1 to 5, wherein a hand hole (6) is arranged at the embedded part (5) embedded with a hole in the second rabbet (12), and the hand hole (6) is filled with expansion cement (8) after the left and right exterior wall panels (1, 1') are connected.
7. A dry-connect facade system according to any one of claims 1 to 5, characterised in that the third rebate (13) is filled with expansion cement (8) after the connection of the upper and lower outer wall panels (1,1 ").
8. A dry-connect facade system according to any one of claims 1 to 5, characterised in that the thickness of the first tongue-and-groove (11) or the second tongue-and-groove (12) is not less than 90 mm.
9. A method of installing a dry-connect exterior wall structural system as claimed in any one of claims 1 to 8, comprising the steps of:
s1, matching the second rabbet (12) of the left outer wall panel (1) with the first rabbet (11) of the right outer wall panel (1 '), coating waterproof adhesive at the rabbet, and fixedly connecting the left and right outer wall panels (1, 1') together through fastening nuts;
s2, hoisting the laminated floor slab (9) to a lower external wall panel (1), installing a connecting plate (7), and pouring floor cast-in-place layer concrete;
s3, hoisting the upper external wall panel (1 ') to ensure that the upper end of the connecting plate (7) extends into a third rabbet (13) of the upper external wall panel (1 '), coating waterproof adhesive on the rabbet, and fixedly connecting the upper external wall panel (1) and the lower external wall panel (1,1 ') together through fixing nuts;
s4, the bolt hand hole (6) and the third rabbet (13) of the external wall panel (1) are filled and leveled by expansion cement (8).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011639738.4A CN112814194B (en) | 2020-12-31 | 2020-12-31 | Dry-type connection outer wall structure system and installation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011639738.4A CN112814194B (en) | 2020-12-31 | 2020-12-31 | Dry-type connection outer wall structure system and installation method thereof |
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| CN112814194B CN112814194B (en) | 2022-11-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113502960A (en) * | 2021-06-23 | 2021-10-15 | 新余学院 | Hidden beam type bolt connection full-prefabricated reinforced concrete slab structure |
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| CN111441521A (en) * | 2020-04-10 | 2020-07-24 | 中国五冶集团有限公司 | Steel construction exempts from to support full prefabricated continuous floor system |
| CN111779160A (en) * | 2020-07-27 | 2020-10-16 | 中国建筑技术集团有限公司 | Prestress assembly type concrete shear wall system and construction method thereof |
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| CA2610825A1 (en) * | 2007-03-28 | 2008-03-14 | Maisons Laprise Inc. | Insulated wall |
| CN201962828U (en) * | 2011-01-31 | 2011-09-07 | 赵生亮 | Assembly-type non-bearing finished wall body |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113502960A (en) * | 2021-06-23 | 2021-10-15 | 新余学院 | Hidden beam type bolt connection full-prefabricated reinforced concrete slab structure |
| CN113502960B (en) * | 2021-06-23 | 2023-01-31 | 新余学院 | Hidden beam type bolt connection full-prefabricated reinforced concrete slab structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112814194B (en) | 2022-11-04 |
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