CN111851772A - Assembled light gauge steel composite wall panel piece waterproof construction - Google Patents
Assembled light gauge steel composite wall panel piece waterproof construction Download PDFInfo
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- CN111851772A CN111851772A CN202010578493.2A CN202010578493A CN111851772A CN 111851772 A CN111851772 A CN 111851772A CN 202010578493 A CN202010578493 A CN 202010578493A CN 111851772 A CN111851772 A CN 111851772A
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- box body
- light gauge
- sealing
- gauge steel
- joint
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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
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
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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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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Building Environments (AREA)
Abstract
The invention relates to a waterproof structure of a joint of an assembled light steel keel composite wallboard, which is arranged at the joint of the light steel keel composite wallboard, wherein the waterproof structure is a cavity waterproof structure, and a sealed box body is arranged in the cavity waterproof structure; an open opening with an edge is formed in the upper part of the sealing box body, and the edge of the upper part of the sealing box body and the abutted seam of the light steel keel composite wallboard are sealed through sealing glue; a PE foam rod is filled in the sealed box body through an opening of the sealed box body and is leveled so as to close the opening at the upper end of the sealed box body; the lower end of the sealing box body is fixedly connected with a profiled steel sheet of the light steel keel composite wallboard through a connecting piece. The invention well solves the waterproof problem of outdoor rainwater permeation along the joint at the horizontal joint and the vertical joint of the assembled external wall-hanging panel, and the integral strength of the wall panel structure can not be reduced on the premise of ensuring the waterproof.
Description
Technical Field
The invention belongs to the technical field of buildings, and particularly relates to a waterproof structure for a joint of an assembled light steel keel composite wallboard.
Background
Prefabricated homes are a growing trend in the construction industry. The assembled composite wallboard is produced by factory prefabrication and then is transported to a site for hoisting, so that standardization and industrialization are realized, the construction efficiency is improved, and a green building is realized. However, after the prefabricated exterior cladding panel is installed, waterproof treatment is carried out on the splicing seams of the prefabricated exterior cladding panel, rainwater is prevented from permeating into the interior of the splicing seams of the exterior wall panel, and meanwhile, if the water seepage phenomenon is serious, steel parts are corroded and loosened, the bearing capacity of the structure is reduced, and great hidden dangers are brought to engineering.
Disclosure of Invention
The invention aims to solve the problem of water prevention at the joint of the assembled light steel keel composite wallboard, and provides a water-proof structure at the joint of the assembled light steel keel composite wallboard.
The purpose of the invention is realized by the following technical scheme:
a waterproof structure of a seam part of an assembled light gauge steel composite wallboard is arranged at the seam part of the light gauge steel composite wallboard, and is a cavity waterproof structure, and a sealed box body is arranged in the cavity waterproof structure;
an open opening with an edge is formed in the upper part of the sealing box body, and the edge of the upper part of the sealing box body and the abutted seam of the light steel keel composite wallboard are sealed through sealing glue;
A PE foam rod is filled in the sealed box body through an opening of the sealed box body and is leveled so as to close the opening at the upper end of the sealed box body;
the lower end of the sealing box body is fixedly connected with a profiled steel sheet of the light steel keel composite wallboard through a connecting piece.
Preferably, weather-resistant glue and a double-sided adhesive tape are arranged between the lower end of the seal box body and the profiled steel sheet, the weather-resistant glue is used for sealing between members, and the weather-resistant glue has the function of forming a sealing adhesive tape at a cavity connecting interface to seal the connecting part of the two cavities, so that rainwater is prevented from entering the upper cavity through a first defense line consisting of the sealing adhesive and the foam rod and then permeating the lower cavity. The double-sided adhesive tape is bonded at the connecting interface of the profiled steel sheet and the lower cavity, and has the effects of preventing rainwater from entering the inner wall surface from the sealed cavity through the profiled steel sheet, and preventing rainwater from entering the inner wall surface through the gap generated after the self-tapping screw penetrates through the profiled steel sheet.
Preferably, the cross-section of the sealed box body is square, the width of an opening formed in the upper end of the sealed box body is smaller than that of the cross-section of the lower portion of the sealed box body, the edge of the open opening is L-shaped, and the end part of the edge of the L-shaped edge and the abutted seam of the light steel keel composite wallboard are sealed through sealing glue.
Preferably, the cross section of the bottom of the sealing box body is convex, the connecting piece is a self-tapping screw, and the self-tapping screw penetrates through the bottom of the convex sealing box body and is fixedly connected with a profiled steel sheet of the light steel keel composite wall board at the lower part.
Preferably, the width and the length of the sealing box body are smaller than those of the cavity waterproof structure, the sealing box body divides the cavity waterproof structure into an upper sealing cavity and a lower sealing cavity, the lower sealing cavity at the lower part of the sealing box body is internally provided with the weather-resistant adhesive and the double-sided adhesive tape, the double-sided adhesive tape is adhered to the profiled steel sheet of the light steel keel composite wallboard, and the weather-resistant adhesive is used for sealing a gap between the lower part of the sealing box body and the inner wall of the cavity waterproof structure.
The two sealed cavities form two waterproof structures, rainwater on the outer wall surface forms pressure water under the actions of self weight, wind load and the like, the pressure water can be released after entering the upper sealed cavity through the outer wall surface waterproof layer, a capillary passage is cut off, the pressure water hardly permeates the lower sealed cavity, water entering the upper sealed cavity flows into the vertical cavity of the joint along the drainage groove arranged in the cavity, and the water is discharged through the vertical cavity, so that the waterproof purpose is achieved.
The common cavity waterproof structure only has one sealed cavity, and rainwater can possibly cause the wall body to leak after penetrating into the cavity through the outer wall surface sealant. This application has had one waterproof construction more on general cavity waterproof construction for the waterproof of wallboard piece department is more reliable.
Preferably, the sealed box body is a box body formed by stainless steel box section plates.
Preferably, the light gauge steel composite wallboard comprises an external hanging wallboard consisting of anti-crack mortar, an XPS plate and a profiled steel sheet.
Preferably, the outer wall panel forms a horizontal and vertical waterproof seam.
Preferably, the waterproof structure is arranged in the horizontal waterproof seam and the vertical waterproof seam.
Preferably, the depth of the horizontal and vertical waterproof seams is 1/3-1/4 of the thickness of the light steel keel composite wallboard.
Compared with the prior art, the invention has the following beneficial effects:
pressure water on the outer wall surface of the invention can be decompressed after the sealing glue and the foam rod penetrate into the sealing cavity, and the capillary passage is cut off, and water flow can flow into the joint vertical cavity along the drainage groove arranged in the cavity and is discharged through the drainage pipe at the bottom of the vertical cavity. Through the two cavity waterproof structures, the waterproof problem that outdoor rainwater permeates along the joints at the horizontal joints and the vertical joints of the assembled external wall panel is well solved. The skeleton texture of cavity is a stainless steel sealed box, has very high intensity and certain rigidity, and stainless steel sealed box passes through self-tapping screw and profiled sheet and is connected, and connection structure is firm stable. The stainless steel sealing box body improves the strength and rigidity of the joints of the prefabricated wallboard, and effectively reduces deformation of the joints under the action of load, so that the waterproof structure of the joints is stable and reliable, and the overall strength of the wallboard structure cannot be reduced on the premise of ensuring waterproofness. The same waterproof structure is adopted for horizontal and vertical seams, so that the unified standard is facilitated, the production speed of the prefabricated wall panel is increased, the construction and hoisting process is more efficient and rapid, and the reduction of installation errors is facilitated.
Drawings
FIG. 1 is a sectional view of a horizontal and vertical patchwork waterproof structure of the present invention;
in the figure: 1-sealing glue; 2-a foam bar; 3-sealing the box body; 4-weather-resistant glue; 5-self-tapping screw; 6-double-sided tape; 7-anti-crack mortar; 8-XPS extruded sheet; 9-profiled steel sheet.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments.
Referring to fig. 1, the waterproof structure of the assembled light gauge steel composite wallboard comprises a plurality of external wall-hung wallboards consisting of anti-crack mortar 7, an XPS board 8 and a profiled steel sheet 9, wherein the wallboards are spliced to form horizontal and vertical waterproof seams, the depth of the horizontal and vertical waterproof seams is 1/3-1/4 of the thickness of the light gauge steel composite wallboard, and the waterproof seams in the two directions are sealed by adopting the same cavity waterproof structure.
The waterproof structure is a cavity waterproof structure, and a sealed box body 3 is arranged in the cavity waterproof structure; an open opening with edges is arranged at the upper part of the sealing box body 3, and the edges at the upper part of the sealing box body 3 and the abutted seams of the light steel keel composite wall plates are sealed through sealant 1; filling a PE foam rod 2 into the sealed box body 3 through an opening of the sealed box body and leveling the PE foam rod to block the opening at the upper end of the sealed box body 3; the lower end of the sealing box body 3 is fixedly connected with a profiled steel sheet of the light steel keel composite wallboard through a connecting piece. Weather-resistant glue 4 and a double-sided adhesive tape 6 are arranged between the lower end of the sealing box body 3 and the profiled steel sheet.
Wherein, inboard sealing port and outside sealing port separate through sealed box 3 and weather resistant glue 4, form two inclosed cavitys, and the sealed width of inboard sealing port is 17mm, and the sealed width of outside sealing port is 25mm, and 3 cavity widths of stainless steel boxed steel board are 15mm, and self-tapping screw 5 diameter is 16 mm.
The sealing box body 3 is a box body formed by stainless steel box-shaped steel plates, the cross section of the sealing box body 3 is square, the width of an opening formed in the upper end of the sealing box body is smaller than that of the cross section of the lower portion of the sealing box body, the edge of the opening is L-shaped, and the end portion of the edge of the L-shaped is sealed with the abutted seam of the light steel keel composite wallboard through the sealant 1. The cross section of the bottom of the sealing box body 3 is convex, the connecting piece is a self-tapping screw 5, and the self-tapping screw 5 penetrates through the bottom of the convex sealing box body 3 and is fixedly connected with the profiled steel sheet of the light steel keel composite wall board at the lower part. The width and the length of sealed box 3 all are less than cavity waterproof construction, and sealed box 3 is cut apart into two upper and lower sealed cavities with cavity waterproof construction, sets up resistant time glue 4 and double faced adhesive tape 6 area in the lower sealed cavity of sealed box 3 lower part, and the double faced adhesive tape 6 area is pasted on the profiled sheet of light gauge steel composite wall board, and resistant time glue 4 is used for the gap between 3 lower parts of sealed box and the cavity waterproof construction inner wall.
Pressure water on the outer wall surface of the invention can be decompressed after permeating the sealing cavity through the sealing glue 1 and the foam rod 2, and the capillary passage is cut off, and water flow can flow into the joint vertical cavity along the drainage groove arranged in the cavity and is discharged through the drainage pipe at the bottom of the vertical cavity. Through the two cavity waterproof structures, the waterproof problem that outdoor rainwater permeates along the joints at the horizontal joints and the vertical joints of the assembled external wall panel is well solved.
The cavity framework structure is a stainless steel sealing box body 3, the strength and rigidity of the joints of the prefabricated wall boards are improved, and deformation of the joints under the load action is effectively reduced, so that the stability and reliability of the waterproof structure of the flat joints are guaranteed. Stainless steel seal box 3 is connected with profiled sheet 9 through self-tapping screw 5, the firm stability of connection structure, stainless steel seal box 3 installs and forms two sealed cavities in the cavity waterproof construction, the waterproof construction of twice has been formed, the outer wall face rainwater is at the dead weight, can the pressure release after the waterproof layer of outer wall face gets into the upper portion sealed cavity of formation pressure water under the effect such as wind load, and cut off the capillary passageway, hardly permeate the lower part sealed cavity again, the rivers that get into the upper portion cavity can flow to the perpendicular cavity of seam in along the drain tank that sets up in the cavity, discharge through perpendicular cavity, thereby reach waterproof purpose.
The embodiments described above are described to facilitate an understanding and use of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention based on the disclosure of the present invention.
Claims (10)
1. A waterproof structure of a joint of an assembled light gauge steel composite wallboard is arranged at the joint of the light gauge steel composite wallboard and is characterized in that the waterproof structure is a cavity waterproof structure, and a sealing box body (3) is arranged in the cavity waterproof structure;
an open opening with edges is formed in the upper portion of the sealing box body (3), and the edges of the upper portion of the sealing box body (3) and the abutted seams of the light steel keel composite wall boards are sealed through sealing glue (1);
the sealed box body (3) is filled with a PE foam rod (2) through an opening of the sealed box body and is leveled so as to block the opening at the upper end of the sealed box body (3);
the lower end of the sealing box body (3) is fixedly connected with a profiled steel sheet of the light steel keel composite wallboard through a connecting piece.
2. The assembly type light gauge steel composite wallboard water-proof structure according to claim 1, wherein a weather-resistant adhesive (4) and a double-sided adhesive tape (6) are arranged between the lower end of the sealing box body (3) and the profiled steel sheet.
3. The assembly type light gauge steel composite wallboard water-proof structure at the joint seam according to claim 2, characterized in that the section of the sealing box body (3) is square, the width of an opening arranged at the upper end of the sealing box body is smaller than that of the section of the lower part of the sealing box body, the edge of the opening is L-shaped, and the end part of the L-shaped edge is sealed with the joint seam of the light gauge steel composite wallboard through a sealant (1).
4. The fabricated waterproof structure for the joints of the light gauge steel composite wall panels according to claim 3, wherein the cross section of the bottom of the sealing box body (3) is convex, the connecting piece is a self-tapping screw (5), and the self-tapping screw (5) penetrates through the bottom of the convex sealing box body (3) and is fixedly connected with a profiled steel sheet of the light gauge steel composite wall panel at the lower part.
5. The assembled light gauge steel composite wallboard water-proof structure of claim 4, characterized in that, the width and length of the sealing box (3) are both smaller than the cavity water-proof structure, the sealing box (3) divides the cavity water-proof structure into an upper sealing chamber and a lower sealing chamber, the weather-resistant glue (4) and the double-faced glue (6) tape are arranged in the lower sealing chamber at the lower part of the sealing box (3), the double-faced glue (6) tape is pasted on the profiled steel sheet of the light gauge steel composite wallboard, and the weather-resistant glue (4) is used for sealing the gap between the lower part of the sealing box (3) and the inner wall of the cavity water-proof structure.
6. The fabricated light gauge steel composite wallboard edge joint waterproof structure of claim 1, wherein the sealing box body (3) is a box body formed by stainless steel box-shaped steel plates.
7. The fabricated light gauge steel composite wallboard joint waterproof structure of claim 1, wherein the light gauge steel composite wallboard comprises an outer-hanging wallboard consisting of anti-crack mortar (7), an XPS board (8) and a profiled steel sheet (9).
8. The fabricated light gauge steel composite wallboard splicing seam waterproof structure of claim 7, wherein the outer wallboard forms horizontal and vertical waterproof seams.
9. The fabricated light gauge steel composite wallboard edge joint waterproof structure of claim 8, wherein the waterproof structure is arranged in the horizontal waterproof joint and the vertical waterproof joint.
10. The fabricated flashing construction at a joint of a composite wall panel of a light gauge steel of claim 8, wherein the depth of the horizontal and vertical flashing joints is 1/3-1/4 of the thickness of the composite wall panel of a light gauge steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010578493.2A CN111851772B (en) | 2020-06-23 | 2020-06-23 | Assembled light gauge steel composite wall panel piece waterproof construction |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010578493.2A CN111851772B (en) | 2020-06-23 | 2020-06-23 | Assembled light gauge steel composite wall panel piece waterproof construction |
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| CN111851772A true CN111851772A (en) | 2020-10-30 |
| CN111851772B CN111851772B (en) | 2021-09-03 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112376794A (en) * | 2020-11-23 | 2021-02-19 | 上海城建建设实业集团新型建筑材料嘉兴有限公司 | Prefabricated wallboard and waterproof piece structure thereof |
| CN114086675A (en) * | 2021-11-26 | 2022-02-25 | 中建科工集团有限公司 | Construction method of waterproof structure of box type movable house |
| CN114108849A (en) * | 2021-07-30 | 2022-03-01 | 嘉兴恒创电力设计研究院有限公司 | Waterproof construction based on modular design |
| CN116181008A (en) * | 2023-03-16 | 2023-05-30 | 中国十七冶集团有限公司 | Joint water retaining structure for spot-hung outer wall decorative plate and construction method |
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| CN203569761U (en) * | 2013-10-10 | 2014-04-30 | 深圳市华辉装饰工程有限公司 | Secondary waterproof structure of spherical aluminum plate roof |
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| CN114108849A (en) * | 2021-07-30 | 2022-03-01 | 嘉兴恒创电力设计研究院有限公司 | Waterproof construction based on modular design |
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|---|---|
| CN111851772B (en) | 2021-09-03 |
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