CN110725413A - Connecting method and connecting piece for hollow prefabricated wall panel and main body structure - Google Patents
Connecting method and connecting piece for hollow prefabricated wall panel and main body structure Download PDFInfo
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- CN110725413A CN110725413A CN201911118456.7A CN201911118456A CN110725413A CN 110725413 A CN110725413 A CN 110725413A CN 201911118456 A CN201911118456 A CN 201911118456A CN 110725413 A CN110725413 A CN 110725413A
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- connecting plate
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 229910000831 Steel Inorganic materials 0.000 claims description 22
- 239000010959 steel Substances 0.000 claims description 22
- 239000000463 material Substances 0.000 claims description 16
- 238000009434 installation Methods 0.000 claims description 14
- 238000005336 cracking Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 10
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000005034 decoration Methods 0.000 description 3
- 239000004570 mortar (masonry) Substances 0.000 description 3
- 230000001737 promoting effect Effects 0.000 description 3
- 239000004575 stone Substances 0.000 description 3
- 239000002344 surface layer Substances 0.000 description 3
- 239000004566 building material Substances 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 229920000297 Rayon Polymers 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
- E04B1/383—Connection of concrete parts using adhesive materials, e.g. mortar or glue
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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
- E04B1/388—Separate connecting elements
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Finishing Walls (AREA)
Abstract
The invention relates to the technical field of constructional engineering, in particular to a method for connecting a hollow prefabricated wall plate and a main body structure; the adopted technical scheme is as follows: a method for connecting a hollow prefabricated wall panel and a main body structure is characterized by comprising the following steps: filling concrete into the holes of the wall plate which need to be inserted into the connecting parts of the connecting pieces; inserting the connecting part of the connecting piece into the filled hole; tightly pushing the lower end connecting piece to enable the lower end of the wallboard to be close to a connecting plate of the wallboard lower end connecting piece, and leaving a gap of 5-10 mm between the connecting plate of the wallboard upper end connecting piece and the upper end of the wallboard; horizontally pushing the wallboard into the mounting position, and tightly propping the connecting piece at the upper end of the wallboard with the main structure at the upper part; after the wallboard is positioned, the connecting plate of each connecting piece is fixed with the main structure, and the wallboard is connected with the main structure. The wallboard is connected with the main body structure through two fixing connection modes, can bear all-directional loads, and is safe and reliable in connection and good in anti-seismic and anti-cracking performance.
Description
Technical Field
The invention relates to the technical field of constructional engineering, in particular to a connecting method and a connecting piece of a hollow prefabricated wall board and a main body structure.
Background
The building wall is an important component of a building and accounts for about one third of the total construction process. The popularization and application of the novel wall material are effective grabs for promoting structural reformation of the supply side in the building material industry, and the innovation of the wall material and the popularization of the green novel wall material are important measures for promoting building industrialization and promoting sustainable development of building economy. Under the industrial background of vigorously developing assembly type buildings and deepening wall material innovation, the proportion of the novel wall material usage to the total wall material production is more than 85% in 2020 years proposed by the ' implementation scheme of novel wall material popularization and application in Sichuan province ' (Chuanfa modified annular fundation [ 2017 ] 502 '), wherein the proportion of the assembly type wall material product is more than 20%; the application proportion of the novel wall material in the new building reaches 90 percent. With the guidance of policies such as green building materials, green buildings, assembly type buildings, building industrialization and the like and the market demands, the green novel prefabricated interior wallboard is widely adopted in the building engineering of China at present, and the most key in the popularization process of the green novel prefabricated interior wallboard is the safety of connection between the green novel prefabricated interior wallboard and a main structure.
For the connection of prefabricated interior wall panels to a main structure, the most common connection methods are U-shaped steel snap and L-shaped hidden snap. The connecting clamping piece (U-shaped steel or channel steel) of the U-shaped steel clamping method can protrude out of the surface of the wallboard, and the connecting clamping piece is difficult to float and easy to crack when being decorated; when the U-shaped clamping piece is adopted for connection, the wallboard cannot be horizontally pushed out of the plane during installation, the wallboard must be obliquely pushed upwards, the installation and construction are difficult, the wallboard is easy to damage, and the construction quality is difficult to guarantee. Although the L-shaped hidden clamping method has no problem of the U-shaped steel clamping method, the L-shaped steel clamping method cannot bear horizontal load outside a plane, and certain safety problem exists; and the L-shaped hidden card has poor rigidity, only plays a role of a connecting structure, does not have anti-seismic performance, and is easy to crack and even collapse in vibration.
Disclosure of Invention
Aiming at the technical problems that the existing hollow prefabricated wall panel and a main structure are difficult to connect and construct, difficult to decorate, easy to crack at the joint and potential safety hazards exist, the invention provides a connecting method of the hollow prefabricated wall panel and the main structure, which can hide a connecting piece in a hole of the wall panel and prevent the connecting piece from protruding out of the surface of the wall panel, is convenient to install and is safe and reliable to connect.
The invention is realized by the following technical scheme:
the connecting piece comprises a connecting plate, wherein a connecting part is vertically arranged on one surface of the connecting plate, the connecting part is inserted into a hole of the wallboard during use, and the connecting plate is fixedly connected with the main structure during use.
When the invention is used, the connecting part of the connecting piece is inserted in the hole, and the hole with the connecting part is filled with concrete. Simultaneously, micro-expansion concrete can be coated on the installation positions of the upper end and the lower end of the wallboard, the wallboard is horizontally pushed to the installation position, and then the connecting piece is fixedly connected with the main structure. The connecting piece is fixedly connected with the wall board after the concrete filled in the hole is completely solidified. Therefore, the invention can bear all-directional load, and has safe and reliable connection and good shock resistance and crack resistance. In addition, the connecting piece is inserted in the hole of the wall board, the problem that the wall board is difficult to be leveled in decoration does not exist, and the decorative surface layer is not easy to crack
As a specific implementation mode of the connecting piece, the connecting part is positioned in the middle of the surface of the connecting plate so as to ensure the connecting strength of the wall plate and the main body structure and be suitable for the installation of the wall plate in a high-intensity area.
Optionally, the connecting portion is formed by two rectangular steel plates fixed on the surface of the connecting plate, and the two rectangular steel plates are arranged in parallel, so that the manufacturing of the connecting piece is simplified, and the production and manufacturing efficiency of the connecting piece is improved.
Optionally, the connecting portion is a hollow cylindrical steel plate fixed on the surface of the connecting plate to improve the connecting example between the connecting piece and the wallboard, and ensure that the wallboard is firmly installed and fixed.
As another specific embodiment of the connecting piece, the connecting part is positioned at one end part of the surface of the connecting plate and is suitable for the installation of the wall board in a low-intensity area.
Optionally, the connecting portion is formed by two rectangular steel plates fixed on the surface of the connecting plate, and the two rectangular steel plates are arranged in parallel, so that the manufacturing of the connecting piece is simplified, and the production and manufacturing efficiency of the connecting piece is improved.
Optionally, the connecting portion is a hollow cylindrical steel plate fixed on the surface of the connecting plate to improve the connecting example between the connecting piece and the wallboard, and ensure that the wallboard is firmly installed and fixed.
The invention also provides a connecting method of the hollow prefabricated wall panel and the main body structure, which comprises the following steps:
filling holes needing to be inserted into the connecting parts of the connecting pieces with C15 fine stone concrete, wherein the filling length is more than or equal to 100 mm;
inserting the connecting part of the connecting piece into the filled hole;
tightly pushing the lower end of the wallboard against the connecting piece to enable the lower end of the wallboard to be close to the connecting plate of the connecting piece at the lower end of the wallboard, and reserving a gap of 5-10 mm between the connecting plate of the connecting piece at the upper end of the wallboard and the upper end of the wallboard;
cleaning the ground of a main structure, scribing and positioning, smearing micro-expansion concrete with the thickness of 20-30 mm at the mounting position of the lower end of the wallboard, smearing micro-expansion concrete with the thickness of 8-12 mm on the top surface of the wallboard, then horizontally pushing the wallboard into the mounting position, and enabling a connecting piece at the upper end of the wallboard to be tightly propped against the main structure at the upper part;
after the wallboard is positioned, the connecting plate of each connecting piece is fixed with the main structure, and the wallboard is connected with the main structure.
The connecting part of the connecting piece is inserted in the hole, and the hole with the connecting part is filled with concrete. And simultaneously, the lower ends of the wallboards and the lower end of the wallboard are coated with expansion viscose materials, the wallboards are horizontally pushed to the mounting positions, and then the connecting piece is fixedly connected with the main body structure. On one hand, the upper end and the lower end of the wallboard are tightly abutted against the main body structure through expansion and solidification of the expansion adhesive material, so that tight expansion connection between the wallboard and the main body structure is realized; on the other hand, after the concrete filled in the holes is completely solidified, the connecting piece is fixedly connected with the wall board. Therefore, the wallboard is connected with the main body structure through two fixing connection modes, can bear all-directional loads, and is safe and reliable in connection and good in anti-seismic and anti-cracking performance.
Compared with the prior art, the invention has the following advantages and beneficial effects:
the connecting part of the connecting piece is inserted in the hole by utilizing the hole of the wall board, and the hole with the connecting part is filled with concrete, so that the connecting piece is initially connected with the wall board. And simultaneously, the lower ends of the wallboards and the expansion adhesive material are coated, the wallboards are horizontally pushed to the mounting positions, and then the connecting piece is fixedly connected with the main body structure. On one hand, the upper end and the lower end of the wallboard are tightly abutted against the main body structure through expansion and solidification of the expansion adhesive material, so that tight expansion connection between the wallboard and the main body structure is realized; on the other hand, after the concrete filled in the holes is completely solidified, the connecting piece is fixedly connected with the wall board. Therefore, the wallboard is connected with the main body structure through two fixing connection modes, can bear all-directional loads, and is safe and reliable in connection and good in anti-seismic and anti-cracking performance. In addition, the connecting piece is inserted into the hole of the wallboard, the problem that the connecting piece is difficult to trowel during decoration does not exist, and the decorative surface layer is not easy to crack.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a schematic structural diagram of a connector according to an embodiment of the present invention;
FIG. 2 is a schematic view of the connector shown in FIG. 1 in use;
FIG. 3 is a schematic structural view of another embodiment of the connector of the present invention;
fig. 4 is a schematic view of the connector in use shown in fig. 3.
Names of various parts in the drawings:
1-connecting plate, 2-connecting part, 3-rectangular steel plate, 4-anchor bolt, 5-anchor bolt hole, 6-main body structure, 7-decorative surface layer, 9-solid concrete pouring, 10-wall plate and 11-hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
Example 1
The connecting piece for the hollow prefabricated wall board and the main body structure comprises a connecting plate 1, wherein a connecting part 2 is vertically arranged on one surface of the connecting plate 1. It will be appreciated that in use the connector 2 is inserted into a hole 11 in a wall panel. The connecting members are usually connected to the main structure, which is usually a concrete floor or a beam, using anchor bolts, and therefore corresponding anchor bolt holes 5 are required in the connecting plates 1.
As a specific embodiment of the connecting piece, the connecting part 2 is positioned in the middle of the surface of the connecting plate 1. It should be understood that the connecting plate 1 is provided with anchor holes 5 at both ends, and the connecting part 2 is located between the two anchor holes 5 to ensure the connecting strength of the wall panel and the main structure, which is suitable for the installation of the wall panel in the high-intensity area.
Optionally, the connecting portion 2 is formed by two rectangular steel plates 3 fixed on the surface of the connecting plate 1, and the two rectangular steel plates 3 are arranged in parallel, so that the manufacturing of the connecting piece is simplified, and the production and manufacturing efficiency of the connecting piece is improved.
Optionally, the connecting portion 2 is a hollow cylindrical steel plate fixed on the surface of the connecting plate 1, so that the wallboard is ensured to be firmly installed and fixed.
The connecting method for connecting the hollow prefabricated wall panel and the main body structure by adopting the connecting piece in the embodiment comprises the following steps:
filling holes 11 which need to be inserted into the connecting parts 2 with C15 fine stone concrete, wherein the filling length is more than or equal to 100 mm; specifically, holes 11 at about one third of the left and right positions of the upper and lower ends of the wallboard are filled and compacted. Wherein to filling real control of length, can set up the support component that both ends have the baffle in hole 11, the cross sectional area and the hole cross sectional area adaptation of baffle, two baffles pass through the bracing piece and connect, and the length of hole minus the length of bracing piece is the total that fills real length at both ends promptly. Or a foam plate is inserted into the hole 11 to control the concrete filling length and prevent the concrete mortar from flowing into the middle of the hole.
Then inserting the connecting part 2 into the filled hole 11 to primarily connect the connecting part with the wallboard and prevent the connecting part from falling off the wallboard; it should be ensured that the anchor openings 5 of the connecting plates 1 are located on the outside of the wall panels to facilitate the fixing of the connecting plates 1.
And then the lower connecting piece of the wallboard is tightly pushed, so that the lower end of the wallboard abuts against the connecting plate 1 of the lower connecting piece of the wallboard, and a gap of 5-10 mm is reserved between the connecting plate of the upper connecting piece of the wallboard and the upper end of the wallboard.
Cleaning the ground of the main structure, scribing and positioning according to the position of the partition wall, smearing micro-expansion concrete with the thickness of 20-30 mm at the mounting position of the lower end of the wallboard, smearing micro-expansion concrete with the thickness of 8-12 mm at the top surface of the wallboard, horizontally pushing the wallboard into the mounting position, and enabling the connecting piece at the upper end of the wallboard to be tightly propped against the main structure at the upper part.
After the wallboard is positioned, the connecting plate 1 of each connecting piece is fixed with the main structure, if the connecting plate is fixed through the anchor bolt 4, the wallboard is connected with the main structure.
Meanwhile, the wall boards are connected by adopting a mortise and tenon structure and/or bonded by mortar, so that the connection strength of the wall body and the main structure is further improved.
And circulating in this way, completing the installation of the wall body so as to treat further decoration and beautification treatment.
Example 2
Based on the embodiment 1, the difference is that the connecting part 2 is located at one end of the surface of the connecting plate 1. That is, the connecting portion 2 and the anchor bolt hole 5 are separately provided at both ends of the connecting plate 1 to be suitable for the installation of the wall panel in the low-intensity area.
The connecting method for connecting the hollow prefabricated wall panel and the main body structure by adopting the connecting piece in the embodiment comprises the following steps:
the installation is started from the position close to the vertical main body structure, the upper end and the lower end of the holes 11 on the two sides of the wallboard are firstly filled with C15 fine stone concrete, and the filling length is more than or equal to 100 mm.
Then inserting the connecting part 2 into the filled hole 11 to primarily connect the connecting part with the wallboard and prevent the connecting part from falling off the wallboard; and the length direction of the connecting piece connecting plate close to one side of the vertical main body structure is perpendicular to the width direction of the wallboard, and the length direction of the connecting piece connecting plate far away from one side of the vertical main body structure is parallel to the width direction of the wallboard and extends to the outer side of the wallboard, so that the connecting pieces are fixed conveniently.
And then the lower end connecting piece is tightly pushed, so that the lower end of the wallboard abuts against the connecting plate 1 of the wallboard lower end connecting piece, and a gap of 5-10 mm is reserved between the connecting plate of the wallboard upper end connecting piece and the upper end of the wallboard.
Cleaning the ground of a main structure, scribing and positioning according to the position of a partition wall, smearing micro-expansion concrete with the thickness of 20-30 mm on the upper end of the wallboard, smearing micro-expansion concrete with the thickness of 8-12 mm on the bottom of the wallboard, horizontally pushing the wallboard into an installation position, and enabling a connecting piece on the upper end of the wallboard to be tightly propped against the main structure on the upper portion.
After the wallboard is positioned, the connecting plate 1 of each connecting piece is fixed with the main structure, if the connecting plate is fixed through the anchor bolt 4, the first wallboard is connected with the main structure.
When the wall board in the middle of the wall body is installed, only the connecting piece needs to be installed in the hole in one side, adjacent to the next wall board, of the wall board, and the steps are repeated until the last wall board close to the other side of the main body structure is installed. For the installation of the last wallboard, the installation method is the same as that of the middle wallboard except that the length direction of the connecting piece needs to be perpendicular to the width direction of the wallboard.
It should be noted that, when the connecting member described in this embodiment is used, the connecting portions 2 of the connecting member are all inserted into the holes 11 of the wall body close to the side walls. In addition, all the wall boards are connected by adopting a mortise and tenon structure and/or are bonded by mortar, so that the connection strength of the wall body and the main structure is further improved.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. The utility model provides a hollow prefabricated wallboard and major structure's connecting piece which characterized in that: including connecting plate (1), connecting portion (2) are equipped with in connecting plate (1) surface vertical, insert when using in hole (11) of establishing wallboard (10) connecting portion (2), when using, with major structure fixed connection with connecting plate (1).
2. A hollow prefabricated wall panel to body structure connection according to claim 1, wherein: the connecting part (2) is positioned in the middle of the surface of the connecting plate (1).
3. A hollow prefabricated wall panel to body structure connection according to claim 2, wherein: the connecting part (2) is composed of two rectangular steel plates (3) fixed on the surface of the connecting plate (1), and the two rectangular steel plates (3) are arranged in parallel.
4. A hollow prefabricated wall panel to body structure connection according to claim 2, wherein: the connecting part (2) is a hollow cylindrical steel plate fixed on the surface of the connecting plate (1).
5. A hollow prefabricated wall panel to body structure connection according to claim 1, wherein: the connecting part (2) is positioned at one end part of the surface of the connecting plate (1).
6. A hollow prefabricated wall panel to body structure connection according to claim 5, wherein: the connecting part (2) is composed of two rectangular steel plates (3) fixed on the surface of the connecting plate (1), and the two rectangular steel plates (3) are arranged in parallel.
7. A hollow prefabricated wall panel to body structure connection according to claim 5, wherein: the connecting part (2) is a hollow cylindrical steel plate fixed on the surface of the connecting plate (1).
8. A method of joining hollow prefabricated wall panels to a host structure, comprising the joining of any of claims 1 to 7, comprising the steps of:
filling concrete into the holes of the wall plate which need to be inserted into the connecting parts of the connecting pieces;
inserting the connecting part of the connecting piece into the filled hole;
tightly pushing the lower end of the wallboard against the connecting piece to enable the lower end of the wallboard to be close to the connecting plate of the connecting piece at the lower end of the wallboard, and reserving a gap of 5-10 mm between the connecting plate of the connecting piece at the upper end of the wallboard and the upper end of the wallboard;
horizontally pushing the wallboard into the mounting position, and tightly propping the connecting piece at the upper end of the wallboard with the main structure at the upper part;
after the wallboard is positioned, the connecting plate of each connecting piece is fixed with the main structure, and the wallboard is connected with the main structure.
9. The method for connecting a hollow prefabricated wall panel and a main body structure according to claim 8, wherein 8-12 mm of bonding material is coated on the top surface of the wall panel, and 20-30 mm of bonding material is coated on the installation position of the lower end of the wall panel.
10. The method of connecting a hollow prefabricated wall panel to a host structure according to claim 9, wherein said cementitious material is micro-expanded concrete.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911118456.7A CN110725413A (en) | 2019-11-15 | 2019-11-15 | Connecting method and connecting piece for hollow prefabricated wall panel and main body structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911118456.7A CN110725413A (en) | 2019-11-15 | 2019-11-15 | Connecting method and connecting piece for hollow prefabricated wall panel and main body structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114215244A (en) * | 2021-12-09 | 2022-03-22 | 中建海龙科技有限公司 | Connecting node and building construction of prefabricated module and corridor prefabricated plate |
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