CN220202997U - Waterproof structure for connection of prefabricated outer wall and cast-in-situ beam - Google Patents
Waterproof structure for connection of prefabricated outer wall and cast-in-situ beam Download PDFInfo
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- CN220202997U CN220202997U CN202321880807.XU CN202321880807U CN220202997U CN 220202997 U CN220202997 U CN 220202997U CN 202321880807 U CN202321880807 U CN 202321880807U CN 220202997 U CN220202997 U CN 220202997U
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- situ beam
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- 238000011065 in-situ storage Methods 0.000 title claims abstract description 35
- 239000002184 metal Substances 0.000 claims abstract description 22
- 238000010276 construction Methods 0.000 claims abstract description 14
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 11
- 239000010959 steel Substances 0.000 claims abstract description 11
- 239000004568 cement Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 10
- 239000006260 foam Substances 0.000 claims description 8
- 239000003292 glue Substances 0.000 claims description 8
- 239000004570 mortar (masonry) Substances 0.000 claims description 8
- 125000006850 spacer group Chemical group 0.000 claims 1
- 238000000465 moulding Methods 0.000 abstract description 3
- 238000009435 building construction Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Joining Of Building Structures In Genera (AREA)
Abstract
The utility model relates to the technical field of building construction and discloses a waterproof structure for connecting a prefabricated outer wall and a cast-in-situ beam, which comprises a cast-in-situ beam, wherein a positioning steel bar is arranged in the cast-in-situ beam, a prefabricated PC outer wall is arranged at the upper end of the cast-in-situ beam, a metal corrugated pipe and a tongue-and-groove structure are arranged in the prefabricated PC outer wall, the tongue-and-groove structure is positioned below the metal corrugated pipe, and the tongue-and-groove structure is positioned at the joint of the cast-in-situ beam and the prefabricated PC outer wall. The waterproof structure for connecting the prefabricated outer wall and the cast-in-situ beam effectively solves the waterproof problem, and also solves the problems that the traditional assembly type and cast-in-situ junction is unstable in molding quality, the risk of leakage in the construction of the reserved hole of the vertical pipe and the hanging hole is large, the secondary construction work amount of the outer wall column is large, the work efficiency is low, the construction period is long, and the support and limiting functions of the conventional prefabricated balcony are not uniform.
Description
Technical Field
The utility model relates to the technical field of building construction, in particular to a waterproof structure for connecting a prefabricated outer wall and a cast-in-situ beam.
Background
The prefabricated component changes the traditional manufacturing mode, is produced in a standardized design and industrialized mode, is mechanically constructed and installed, is subjected to information management, changes wet operation into dry operation, reduces labor intensity, reduces production cost, saves time, reduces environmental pollution, saves natural resources, and has more flexibility than cast-in-situ components.
The defect of the traditional method in the field is obvious, the forming quality of the junction between the traditional assembly type and the cast-in-situ is unstable, the secondary construction work amount of the outer wall column is large, the work efficiency is low, the construction period is long, the leakage phenomenon can occur when the prefabricated outer wall is directly combined with the cast-in-situ beam, and the like.
Disclosure of Invention
The utility model aims at: the waterproof structure for connecting the prefabricated outer wall and the cast-in-situ beam adopts the construction technology of connecting the prefabricated outer wall and the cast-in-situ beam to solve the waterproof problem, and also solves the problems of unstable molding quality, large secondary construction engineering quantity, low work efficiency, long construction period and the like of the traditional assembly type and cast-in-situ junction.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a prefabricated outer wall and cast-in-place roof beam connection waterproof construction, includes cast-in-place roof beam, be provided with the locating reinforcement in the cast-in-place roof beam, the prefabricated PC outer wall is installed to cast-in-place roof beam upper end, be provided with metal bellows and tongue-and-groove structure in the prefabricated PC outer wall, and the tongue-and-groove structure is located the metal bellows below, tongue-and-groove structure is located cast-in-place roof beam and prefabricated PC outer wall junction.
Preferably, the metal corrugated pipe is connected with one end of the positioning steel bar.
Preferably, a PE rod is arranged at the edge of the right end part in the tongue-and-groove structure.
Preferably, the right end of the tongue-and-groove structure is provided with weather-resistant glue.
Preferably, foam mortar is arranged in the tongue-and-groove structure.
Preferably, cement grouting material is arranged in the metal corrugated pipe.
The beneficial effects of the utility model are as follows: the waterproof structure for connecting the prefabricated outer wall and the cast-in-situ beam effectively solves the waterproof problem, and also solves the problems that the traditional assembly type and cast-in-situ junction is unstable in molding quality, the risk of leakage in the construction of a reserved hole of a vertical pipe and a hanging hole is large, the secondary construction work amount of an outer wall column is large, the work efficiency is low, the construction period is long, the support and limiting functions of a conventional prefabricated balcony are not uniform, and the like.
Drawings
Fig. 1 is a schematic structural view of a waterproof structure for connecting a prefabricated outer wall and a cast-in-situ beam.
Fig. 2 is an enlarged view of the structure at a in fig. 1.
Reference numerals in the drawings: 1 cast-in-situ beam, 2 prefabricated PC outer walls, 3 metal bellows, 4PE rods, 5 weather-proof glue, 6 cement grouting materials, 7 foam mortar, 8 positioning steel bars and 9 tongue-and-groove structures.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1-2, a waterproof structure for connecting a prefabricated outer wall and a cast-in-situ beam comprises a cast-in-situ beam 1, wherein a positioning steel bar 8 is arranged in the cast-in-situ beam 1, a prefabricated PC outer wall 2 is arranged at the upper end of the cast-in-situ beam 1, a metal corrugated pipe 3 and a tongue-and-groove structure 9 are arranged in the prefabricated PC outer wall 2, the tongue-and-groove structure 9 is positioned below the metal corrugated pipe 3, and the tongue-and-groove structure 9 is positioned at the joint of the cast-in-situ beam 1 and the prefabricated PC outer wall 2.
In the embodiment, a metal corrugated pipe 3 is connected with one end of a positioning steel bar 8, a PE rod 4 is arranged at the edge of the right end part in a tongue-and-groove structure 9, weather-proof glue 5 is arranged at the right end of the tongue-and-groove structure 9, foam mortar 7 is arranged in the tongue-and-groove structure 9, and cement grouting material 6 is arranged in the metal corrugated pipe 3.
The prefabricated PC outer wall 2 is hoisted to enable the metal corrugated pipe 3 to be connected with the reserved positioning steel bars 8, the outer end of the PE rod 4 is placed at the edge of the tongue-and-groove structure 9 and sealed by weather-proof glue 5, foam mortar 7 is injected into the tongue-and-groove structure 9, one positioning steel bar 8 is reserved at the cast-in-situ beam 1, the metal corrugated pipe 3 and the tongue-and-groove structure 9 are pre-buried in the prefabricated PC outer wall 2, the metal corrugated pipe 3 is connected with the reserved positioning steel bars 8, the outer end of the PE rod 4 is placed at the edge of the tongue-and-groove structure 9 and sealed by weather-proof glue 5, foam mortar 7 is injected into the tongue-and-groove structure 9, and cement grouting material 6 is injected into the metal corrugated pipe 3.
Working principle: cement grouting material 6 needs to be filled into the metal corrugated pipe 3, and the cement grouting material mainly has the function of better connecting the prefabricated PC outer wall 2 with the cast-in-situ beam 1; the foam mortar 7 and the PE rod 4 are mainly used for blocking grouting openings, preventing cement grouting materials 6 from leaking, and the weather-resistant glue 5 is used for improving the sealing effect of the tongue-and-groove and further reducing hidden danger of leakage, and the concrete construction method is as follows:
1. in the process of casting the beam 1, a positioning steel bar 8 needs to be reserved.
2. When the prefabricated PC outer wall 2 is produced, a metal corrugated pipe 3 with the diameter of 50mm is pre-buried, and a tongue-and-groove structure 9 is prefabricated.
3. The prefabricated PC outer wall 2 is hoisted up to connect the metal bellows 33 with the diameter of 50mm with the reserved positioning steel bars 8.
4. The joint of the indoor prefabricated PC outer wall 2 and the cast-in-situ beam 1 is blocked by foam mortar 7, and the joint of the outdoor prefabricated PC outer wall 2 and the cast-in-situ beam 1 is blocked by a PE rod 4 with the diameter of 35 mm.
5. And (3) injecting cement grouting material 6 with the strength of more than or equal to 50MPa into the grouting opening of the prefabricated PC outer wall 2, and stopping grouting after the cement grouting material 6 overflows from the grouting opening.
6. The joint of the outdoor prefabricated PC outer wall 2 and the cast-in-situ beam 1 is coated with weather-proof glue 5 with the thickness of more than 10mm so as to achieve better anti-leakage effect.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. The utility model provides a prefabricated outer wall and cast-in-place roof beam connection waterproof construction, includes cast-in-place roof beam (1), its characterized in that is provided with spacer bar (8) in cast-in-place roof beam (1), prefabricated PC outer wall (2) are installed to cast-in-place roof beam (1) upper end, be provided with metal bellows (3) and tongue-and-groove structure (9) in prefabricated PC outer wall (2), and tongue-and-groove structure (9) are located metal bellows (3) below, tongue-and-groove structure (9) are located cast-in-place roof beam (1) and prefabricated PC outer wall (2) junction.
2. The waterproof structure for connecting the prefabricated outer wall and the cast-in-situ beam according to claim 1, wherein the metal corrugated pipe (3) is connected with one end of a positioning steel bar (8).
3. The waterproof structure for connecting the prefabricated outer wall and the cast-in-situ beam according to claim 1, wherein the PE rod (4) is arranged at the edge of the right end part in the tongue-and-groove structure (9).
4. The waterproof structure for connecting the prefabricated outer wall and the cast-in-situ beam according to claim 1, wherein weather-proof glue (5) is arranged at the right end of the tongue-and-groove structure (9).
5. The waterproof structure for connecting the prefabricated outer wall and the cast-in-situ beam according to claim 1, wherein foam mortar (7) is arranged in the tongue-and-groove structure (9).
6. The waterproof structure for connecting the prefabricated outer wall and the cast-in-situ beam according to claim 1, wherein cement grouting material (6) is arranged in the metal corrugated pipe (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321880807.XU CN220202997U (en) | 2023-07-17 | 2023-07-17 | Waterproof structure for connection of prefabricated outer wall and cast-in-situ beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321880807.XU CN220202997U (en) | 2023-07-17 | 2023-07-17 | Waterproof structure for connection of prefabricated outer wall and cast-in-situ beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220202997U true CN220202997U (en) | 2023-12-19 |
Family
ID=89138882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321880807.XU Active CN220202997U (en) | 2023-07-17 | 2023-07-17 | Waterproof structure for connection of prefabricated outer wall and cast-in-situ beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220202997U (en) |
-
2023
- 2023-07-17 CN CN202321880807.XU patent/CN220202997U/en active Active
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