CN212248710U - Integral connection node of prefabricated floor slab and wallboard - Google Patents
Integral connection node of prefabricated floor slab and wallboard Download PDFInfo
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- CN212248710U CN212248710U CN202020614339.1U CN202020614339U CN212248710U CN 212248710 U CN212248710 U CN 212248710U CN 202020614339 U CN202020614339 U CN 202020614339U CN 212248710 U CN212248710 U CN 212248710U
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Abstract
The utility model discloses an integral connection node of prefabricated floor slabs and wall slabs, which comprises a first floor slab and a second floor slab which are lapped through a tongue-and-groove, a lower wall slab and an upper wall slab which are respectively positioned below and above the first floor slab, wherein the upper wall slab is provided with a sleeve for grouting, the lower wall slab is provided with a reinforcing steel bar, and the reinforcing steel bar sequentially passes through the tongue-and-groove of the first floor slab and the second floor slab and extends into the sleeve; the grouting device further comprises a first grouting area, a grouting flow channel and a second grouting area, wherein the first grouting area, the grouting flow channel, the second grouting area and the sleeve are communicated. It has not only realized the integral connection with floor and wallboard, has still set up the first grout district, the grout runner, the second grout district of intercommunication, runs through the grout sleeve of first floor, second floor and top wall board through the vertical tie bar of wallboard down, and the integral grout in the first grout district, the grout runner of rethread, second grout district has realized being connected between prefabricated floor and the wallboard.
Description
Technical Field
The utility model belongs to assembled concrete structure field especially relates to a whole connected node of prefabricated floor and wallboard.
Background
Compared with the traditional reinforced concrete on-site cast-in-place building, the fabricated building has the advantages of great technical change and product iteration innovation. Especially in the prefabricated system of the prefabricated building, the reliability and effectiveness of the connection node, how to improve the construction efficiency and reduce the cost become the key points of current attention, and the connection node modes between the prefabricated wall panel and the floor slabs at two sides are many, including the connection between the single prefabricated floor slabs or the connection between the upper inner wall and the lower inner wall.
At present, 3 modes of sleeve grouting connection, slurry anchor connection and mechanical connection are mainly adopted for steel bar connection in an assembled concrete structure.
The sleeve grouting connection is a steel bar connection technology which is realized by inserting connecting steel bars into a grouting sleeve with a concave-convex groove on the inner wall, pouring special high-strength cement-based grouting material into a gap between the sleeve and the steel bars, and anchoring the steel bars in the sleeve after the grouting material is solidified. The connecting strength is high, the connecting quality is stable and reliable, the fatigue resistance is good, but the requirement on construction is higher.
Grout anchor connection, also known as indirect anchoring or indirect lapping, is a mode of lapping after lapping reinforcing steel bars are pulled apart for a certain distance, the pulling force of the connecting reinforcing steel bars is transmitted to grouting material through shearing force, and then transmitted to the interface between the grouting material and surrounding concrete through the shearing force.
The mechanical connection is a connection method for transmitting the force in one reinforcing steel bar to the other reinforcing steel bar through the mechanical meshing action of the reinforcing steel bars and the connecting piece or the pressure bearing action of the end face of the reinforcing steel bar. The common mechanical joint for reinforcing steel bar includes sleeve extruding joint, conic screw joint, etc. the sleeve extruding joint uses high pressure oil pump as power source and extrudes the connecting sleeve radially with extruder to produce plastic deformation of the sleeve and interlock with reinforcing steel bar to form one integral to transmit force. Because the equipment is heavy, the labor intensity of workers is high, the maintenance of the equipment is not good, the oil leakage is easy to pollute the steel bars, the normal performance of the efficacy is influenced, the inconvenience is brought to the use and the maintenance, the connection speed is low, the sleeve is large, and the cost is high. The taper thread joint is formed by processing the end of a steel bar into a taper thread by using a taper thread threading machine, and then connecting a sleeve with the taper thread with the steel bar to be butted together, wherein the connection has strict requirements on the steel bar and field management.
In the existing connecting node of the floor slab and the wall slab, as in the patent with the patent application number of '201911175874. X' and the name of 'a prefabricated slab wall connecting node and a construction method thereof', the floor slab and the wall slab are connected with poured concrete through a lap joint connector, and the mode can realize the connection of the floor slab and the wall slab only by the lap joint connector which is designed separately; for another example, in the patent with patent application number "201620780346.2" named "a connected node of wallboard and floor", the top wall board is connected with the wallboard down through vertical connecting piece and is whole, but this mode is only through vertical connecting piece with the wallboard direct fastening down, and the connection of top wall board and wallboard down is not realized through cast in situ concrete or grout material.
Those skilled in the art have therefore endeavored to develop an integral connecting node for cast-in-place prefabricated floor and wall panels.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned defect of prior art, the utility model aims to solve the technical problem that an integral connection node for cast-in-place precast floor slab and wallboard is provided.
In order to achieve the purpose, the utility model provides an integral connection node of a prefabricated floor slab and a wallboard, which comprises a first floor slab and a second floor slab which are lapped through a tongue-and-groove, and a lower wallboard and an upper wallboard which are respectively positioned below and above the first floor slab, wherein a sleeve used for grouting is arranged on the upper wallboard, a reinforcing steel bar is arranged on the lower wallboard, and the reinforcing steel bar sequentially passes through the tongue-and-groove of the first floor slab and the second floor slab and extends into the sleeve;
a first grouting area is arranged between the lower wall plate and the first floor plate and between the lower wall plate and the second floor plate, a grouting flow channel is arranged between the reinforcing steel bars and the tongue-and-groove joints of the first floor plate and the second floor plate, and a second grouting area is arranged between the upper wall plate and the first floor plate and between the upper wall plate and the second floor plate;
the first grouting area, the grouting flow channel, the second grouting area and the sleeve are communicated.
In order to seal the first grouting area and the second grouting area, a first grout sitting area which encloses the first grouting area is arranged between the lower wallboard and the first floor slab and between the lower wallboard and the second floor slab, and a second grout sitting area which encloses the second grouting area is arranged between the upper wallboard and the first floor slab and between the upper wallboard and the second floor slab.
In order to fill the gap between the tongue and groove of the first floor slab and the second floor slab, the first mortar area covers the first tongue and groove joint of the first floor slab, and the second mortar area covers the second tongue and groove joint of the second floor slab.
In order to ensure the reasonable lap joint quality and stress of the tongue and groove, a leveling layer is arranged between the tongue and groove of the first floor slab and the second floor slab.
Preferably, the tongue-and-groove of the first floor slab and the second floor slab form an inverted Z shape.
Furthermore, the tongue-and-groove of the first floor slab and the second floor slab are provided with corresponding dowel holes, the aperture of the dowel holes is larger than the outer diameter of the reinforcing steel bars, and gaps between the dowel holes and the reinforcing steel bars form the grouting flow channels.
In order to better fix the prefabricated floor slab and the wall slab, the number of the dowel holes is multiple, and the plurality of the dowel holes are uniformly arranged on the tongue-and-groove of the first floor slab and the second floor slab.
Preferably, the first floor is provided with a lower tongue-and-groove, and the second floor is provided with an upper tongue-and-groove lapped with the lower tongue-and-groove.
The utility model has the advantages that: the utility model discloses in the integral connection node of prefabricated floor and wallboard, the reinforcing bar not only plays the effect of connecting wallboard from top to bottom, simultaneously still the full prefabricated floor in effectual connection both sides, the conduction of power between this whole prefab has been reached, the first grout district of intercommunication has still been set up simultaneously, the grout runner, second grout district, vertical connecting reinforcement through wallboard runs through first floor down, the grout sleeve of second floor and top wall board, the first grout district of rethread, the grout runner, the whole grout in second grout district, the connection between prefabricated floor and the wallboard has been realized.
Drawings
Figure 1 is the utility model discloses the structural schematic diagram of the whole connected node of prefabricated floor and wallboard.
Fig. 2 is the utility model discloses the connection structure schematic diagram of reinforcing bar and first floor and second floor in the integral joint of prefabricated floor and wallboard.
Figure 3 is the utility model discloses the top view of first floor and second floor in the integral joint of prefabricated floor and wallboard.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples, wherein it is noted that, in the description of the invention, the terms "upper", "lower", "left", "right", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular manner, and therefore should not be construed as limiting the present invention. The terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1-3, an integral joint of prefabricated floor slabs and wall slabs comprises a first floor slab 1 and a second floor slab 2 which are overlapped through a tongue-and-groove, and a lower wall slab 3 and an upper wall slab 4 which are respectively positioned below and above the first floor slab 1; in this embodiment, the first floor slab 1 is provided with a lower tongue-and-groove 102, and the second floor slab 2 is provided with an upper tongue-and-groove 202 lapped with the lower tongue-and-groove 102; the upper wall plate 4 is provided with a sleeve 5 for grouting; the lower wallboard 3 is provided with a steel bar 6; the reinforcing steel bars 6 sequentially penetrate through the tongue-and-groove of the first floor slab 1 and the tongue-and-groove of the second floor slab 2 and extend into the sleeve 5;
a first grouting area 7 is arranged between the lower wall plate 3 and the first floor plate 1 and the second floor plate 2; a grouting flow channel 8 is arranged between the reinforcing steel bar 6 and the tongue-and-groove of the first floor slab 1 and the second floor slab 2; in the embodiment, the tongue-and-groove of the first floor slab 1 and the second floor slab 2 are provided with corresponding dowel holes 13; the aperture of the dowel hole 13 is larger than the outer diameter of the steel bar 6; the gap between the dowel hole 13 and the steel bar 6 forms a grouting flow channel 8.
A second grouting area 9 is arranged between the upper wall plate 4 and the first floor plate 1 and the second floor plate 2;
the first grouting area 7, the grouting flow channel 8, the second grouting area 9 and the sleeve 5 are in communication.
In this embodiment, a first grout region 10 surrounding the first grout region 7 is arranged between the lower wall plate 3 and the first floor plate 1 and the second floor plate 2, and a second grout region 11 surrounding the second grout region 9 is arranged between the upper wall plate 4 and the first floor plate 1 and the second floor plate 2.
The first mortar sitting area 10 covers the first rabbet joint 101 of the first floor slab 1; the second grout zone 11 covers the second rabbet joint 201 of the second floor slab 2.
A leveling layer 12 is arranged between the tongue-and-groove of the first floor slab 1 and the second floor slab 2.
The tongue and groove of the first floor slab 1 and the second floor slab 2 form an inverted Z shape.
The number of the dowel holes 13 is multiple; a plurality of dowel holes 13 are uniformly arranged on the tongue-and-groove of the first floor board 1 and the second floor board 2.
The assembly process is as follows: hoisting the lower wall plate 3, and after the lower wall plate 3 is located, setting slurry at the upper end of the lower wall plate 3 to form a first slurry setting area 10; then hoisting a first floor 1 with a lower rabbet 102; after the leveling layer 12 is arranged on the lapping surface, lapping of the second floor board 2 with the upper rabbet 202 is carried out; in the hoisting process, the lower rabbet 102 is ensured to be aligned with the dowel holes 13 on the upper rabbet 202, and the steel bars 6 pass through the dowel holes 13; then, a second floor board 2 and the upper end of the first floor board 1 are subjected to mortar setting to form a second mortar setting area 11; then, hoisting the upper wallboard 4 to enable the upper wallboard 4 to be positioned at the upper parts of the first floor board 1 and the second floor board 2; and then grouting, wherein the slurry sequentially enters the space between the upper wall plate 4 and the first floor plate 1 and the second floor plate 2 through the sleeve 5 to form a second grouting area 9, then enters the space between the lower wall plate 3 and the first floor plate 1 and the second floor plate 2 through the grouting flow passage 8 to form a first grouting area 7, and the first grouting area 7, the grouting flow passage 8 and the second grouting area 9 are sequentially grouted.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.
Claims (8)
1. An integral connection node of a prefabricated floor slab and a wallboard is characterized by comprising a first floor slab (1) and a second floor slab (2) which are overlapped through a tongue-and-groove, and a lower wallboard (3) and an upper wallboard (4) which are respectively positioned below and above the first floor slab (1), wherein a sleeve (5) used for grouting is arranged on the upper wallboard (4), a steel bar (6) is arranged on the lower wallboard (3), and the steel bar (6) sequentially penetrates through the tongue-and-groove of the first floor slab (1) and the second floor slab (2) and extends into the sleeve (5);
a first grouting area (7) is arranged between the lower wallboard (3) and the first floor slab (1) and the second floor slab (2), a grouting flow channel (8) is arranged between the reinforcing steel bar (6) and the rabbet of the first floor slab (1) and the second floor slab (2), and a second grouting area (9) is arranged between the upper wallboard (4) and the first floor slab (1) and the second floor slab (2);
the first grouting area (7), the grouting flow channel (8), the second grouting area (9) and the sleeve (5) are communicated.
2. A prefabricated floor and wall panel integral connection node according to claim 1, wherein a first grout region (10) enclosing said first grout region (7) is provided between said lower wall panel (3) and said first floor (1) and second floor (2), and a second grout region (11) enclosing said second grout region (9) is provided between said upper wall panel (4) and said first floor (1) and second floor (2).
3. A prefabricated floor and wall panel integral joint according to claim 2 wherein said first grout zone (10) overlies a first rebate (101) of said first floor panel (1) and said second grout zone (11) overlies a second rebate (201) of said second floor panel (2).
4. A prefabricated floor and wall panel integral joint according to claim 1 wherein a screed (12) is provided between the rebates of said first floor (1) and second floor (2).
5. A prefabricated floor and wall panel integral joint according to claim 1 wherein said rebates of said first floor (1) and said second floor (2) form an inverted "Z" shape.
6. A prefabricated floor and wall panel integral connection node according to claim 1, wherein the tongue-and-groove of the first floor (1) and the second floor (2) are provided with corresponding dowel holes (13), the diameter of the dowel holes (13) is larger than the outer diameter of the steel bars (6), and the gaps between the dowel holes (13) and the steel bars (6) form the grouting flow passages (8).
7. A prefabricated floor and wall panel integral joint according to claim 6 wherein said plurality of said dowel holes (13) are provided in a uniform pattern on the tongue and groove of said first floor (1) and said second floor (2).
8. A prefabricated floor and wall panel integral joint according to claim 1 wherein said first floor panel (1) is provided with a lower rebate (102) and said second floor panel (2) is provided with an upper rebate (202) overlapping said lower rebate (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020614339.1U CN212248710U (en) | 2020-04-22 | 2020-04-22 | Integral connection node of prefabricated floor slab and wallboard |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020614339.1U CN212248710U (en) | 2020-04-22 | 2020-04-22 | Integral connection node of prefabricated floor slab and wallboard |
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| CN212248710U true CN212248710U (en) | 2020-12-29 |
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| CN202020614339.1U Active CN212248710U (en) | 2020-04-22 | 2020-04-22 | Integral connection node of prefabricated floor slab and wallboard |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113653210A (en) * | 2021-08-20 | 2021-11-16 | 江苏溧阳建设集团有限公司 | Housing building integrated assembly wall convenient to transport and assembly method thereof |
| CN117386056A (en) * | 2023-09-12 | 2024-01-12 | 中国建筑东北设计研究院有限公司 | Assembled full prefabricated floor and prefabricated shear wall connected node |
-
2020
- 2020-04-22 CN CN202020614339.1U patent/CN212248710U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113653210A (en) * | 2021-08-20 | 2021-11-16 | 江苏溧阳建设集团有限公司 | Housing building integrated assembly wall convenient to transport and assembly method thereof |
| CN113653210B (en) * | 2021-08-20 | 2022-10-04 | 江苏溧阳建设集团有限公司 | Housing building integrated assembly wall convenient to transport and assembly method thereof |
| CN117386056A (en) * | 2023-09-12 | 2024-01-12 | 中国建筑东北设计研究院有限公司 | Assembled full prefabricated floor and prefabricated shear wall connected node |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211026 Address after: 408000 2-1, Hongfu building, 55 Xinghua Middle Road, Fuling District, Chongqing Patentee after: Chongqing Zhongke construction technology (Group) Co.,Ltd. Address before: 408000 office building of Management Committee of Lidu Industrial Park, Fuling District, Chongqing Patentee before: CHONGQING ZHONGKE CONSTRUCTION (Group) Co.,Ltd. |
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| TR01 | Transfer of patent right |