CN219471275U - High and large prefabricated external wall panel mounting structure - Google Patents
High and large prefabricated external wall panel mounting structure Download PDFInfo
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- CN219471275U CN219471275U CN202320280082.4U CN202320280082U CN219471275U CN 219471275 U CN219471275 U CN 219471275U CN 202320280082 U CN202320280082 U CN 202320280082U CN 219471275 U CN219471275 U CN 219471275U
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- wall panel
- prefabricated
- external wall
- prefabricated external
- blind hole
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/24—Structural elements or technologies for improving thermal insulation
- Y02A30/244—Structural elements or technologies for improving thermal insulation using natural or recycled building materials, e.g. straw, wool, clay or used tires
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Abstract
The utility model discloses a mounting structure of a tall and large prefabricated external wall panel, which is characterized by comprising a floor, a prefabricated external wall panel and a prefabricated beam; the prefabricated external wall panel is characterized in that a threaded blind hole sleeve is embedded at the lower end of the prefabricated external wall panel, a grouting hole communicated with the inside of the threaded blind hole sleeve is formed in the inner side of the prefabricated external wall panel, a dowel bar is planted on the floor, a fixed block of plain concrete material is poured on the upper surface of the floor, the fixed block is leveled with the upper surface of a cast-in-situ floor, the middle part of the dowel bar is embedded in the fixed block, the upper end of the dowel bar penetrates through the threaded blind hole sleeve and is fixed by grouting into the threaded blind hole sleeve through the grouting hole, a hafin groove is embedded at the lower end of the prefabricated beam, and the prefabricated external wall panel is fixedly connected with the hafin groove through an inner wall mounting wall panel adapter. The prefabricated external wall panel is convenient and quick to install, shortens the construction period, ensures the construction quality and improves the construction efficiency.
Description
Technical Field
The utility model belongs to the technical field of buildings, and particularly relates to a prefabricated heat-preservation external wall panel mounting structure.
Background
The height of the traditional prefabricated external wall panel can be about 3.2m, and the prefabricated external wall panel cannot be suitable for high-rise buildings. Traditional prefabricated side fascia passes through sleeve grout and is connected with the floor, need pre-buried wallboard dowel when the tie of floor reinforcing bar, but when floor concrete placement, can cause pre-buried wallboard dowel pollution and deviation. When the prefabricated external wall panel is hoisted, the embedded joint bars of the wall panel are required to be cleaned, and checking and positioning are carried out on the embedded joint bars of the wall panel. And the traditional prefabricated outer wall is connected with the floor embedded part by adopting at least two temporary diagonal braces, the temporary diagonal braces prevent the building of the floor support frame, and meanwhile, the temporary diagonal braces can be dismantled after the grouting material strength reaches the design requirement, so that the construction progress is delayed. When the concrete of the floor layer is poured, the embedded parts of the floor are required to be cut off, the labor cost is high, and the pouring progress of the concrete of the floor is affected.
Disclosure of Invention
The technical problems to be solved by the utility model are as follows: the utility model provides a high prefabricated side fascia mounting structure for it is unreasonable to solve current prefabricated side fascia mounting structure, and prefabricated side fascia installation is troublesome, installation effectiveness is low and problem with high costs.
In order to achieve the technical effects, the utility model adopts the following technical scheme:
the installation structure of the high and large prefabricated external wall panel is characterized by comprising a floor, a prefabricated external wall panel and a prefabricated beam; the prefabricated external wall panel is characterized in that a threaded blind hole sleeve is embedded at the lower end of the prefabricated external wall panel, a grouting hole and a slurry outlet hole which are communicated with the inside of the threaded blind hole sleeve are formed in the inner side of the prefabricated external wall panel, a dowel bar is planted on the floor, a fixed block of plain concrete material is poured on the upper surface of the floor, the fixed block is leveled with the upper surface of a cast-in-situ floor, the middle of the dowel bar is embedded in the fixed block, the upper end of the dowel bar penetrates through the threaded blind hole sleeve and is fixed in the threaded blind hole sleeve through the grouting hole, a haven groove is embedded at the lower end of the prefabricated external wall panel, and the prefabricated external wall panel is fixedly connected with the haven groove through a wall panel adapting piece installed on the inner wall.
Further, the upper surface of the fixed block is provided with a cushion block outside the dowel bars, the upper surface of the cushion block is abutted to the bottom surface of the prefabricated external wall panel, and cement mortar is filled between the cushion block and the dowel bars.
Further, prefabricated side fascia is equipped with interior lamina, heated board and outer lamina from inside to outside in proper order, interior lamina periphery and outer lamina fixed connection, and the middle part is formed with the accommodation chamber, the heated board is located closely knit to be filled in the accommodation intracavity.
Further, the heated board is XPS heated board, the inboard bulge that is formed with of outer leaf board in leaf board periphery department, outer leaf board passes through its bulge outer wall and interior leaf board fixed connection, the holding chamber is bulge, interior leaf board and the cavity that forms after outer leaf board encloses jointly.
Further, the threaded blind hole sleeve is embedded in the inner blade plate.
Further, the bottom of the outer blade plate is provided with a downward extension part, the inner wall of the extension part and the outer wall of the fixed block are provided with gaps, and rock wool plates are densely filled in the gaps.
Further, gaps are formed between the prefabricated external wall panels and the prefabricated Liang Waibi, and rock wool boards are densely filled in the gaps.
Further, the wallboard adapter is a right-angle steel plate with a right-angle structure, and the right-angle steel plate is provided with stiffening ribs.
Further, the inner side of the prefabricated external wall panel is also provided with a grout outlet communicated with the inside of the threaded blind hole sleeve, the grout outlet is positioned at the lower end of the threaded blind hole sleeve, and the grout outlet is positioned at the upper end of the threaded blind hole sleeve.
Further, the total height of the prefabricated external wall panel is 3-5.4m.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the dowel bars are planted on the floor in a bar planting mode, the middle parts of the dowel bars are fixed through the fixing blocks, the upper ends of the dowel bars are inserted into the threaded blind hole sleeves of the prefabricated external wall boards, and the threaded blind hole sleeves are fixed through grouting holes in a grouting mode, so that the installation structure reduces the welding workload of the reinforcing bars, avoids the problems of pollution of the dowel bars caused by floor pouring and deflection of the dowel bars, does not need to clean the dowel bars and perform secondary positioning rechecking, effectively shortens the construction period and improves the working efficiency. The prefabricated side fascia upper end passes through wallboard adaptor and prefabricates Liang Deha and is connected in the groove to the wallboard adaptor of prefabricated side fascia accessible upper end adjusts its straightness that hangs down, has guaranteed the installation quality of prefabricated side fascia, does not need to set up interim bracing simultaneously, has made things convenient for the floor support frame to set up, has further reduced construction period.
The foregoing description is only an overview of the present utility model, and may be implemented in accordance with the teachings of the present specification, so that the foregoing and other objects, features, and advantages of the present utility model may be more readily understood, and further detailed description of the present utility model may be had by reference to the accompanying drawings and examples, it being apparent that the examples described are some, but not all, of the embodiments of the utility model.
Drawings
FIG. 1 is a schematic view of the structure of the prefabricated exterior wall panel mounting structure of the present utility model;
FIG. 2 is a schematic view of the prefabricated exterior wall panel of the present utility model;
FIG. 3 is an enlarged view of the portion A of FIG. 1;
fig. 4 is an enlarged view of a portion B of fig. 1.
The reference numerals and corresponding names in the drawings are:
1. floor, 2, prefabricated external wall panel, 21, inner leaf plate,
22. Thermal insulation board, 23, outer blade board, 231, protruding part,
232. Extension part, 24, threaded blind hole sleeve, 241, grouting hole,
242. Slurry outlet, 3.precast beam, 31.Hafen groove,
4. The dowel bar, the fixing block, the cast-in-situ floor slab,
7. Right-angle steel plates, 71, stiffening ribs, 8, cushion blocks,
81. Cement mortar and 9. Rock wool board.
Detailed Description
An tall prefabricated exterior wall panel 2 installation structure, as shown in fig. 1-4, includes a floor 1, prefabricated exterior wall panels 2, and prefabricated beams 3 and/or prefabricated columns. The total height of the prefabricated external wall panel 2 is 3-5.4m, and the prefabricated external wall panel 2 is provided with an inner leaf 21, an XPS heat-insulating plate 22 and an outer leaf 23 from inside to outside in sequence by taking one side of a mounting surface of the prefabricated external wall panel as the inside. The inner side of the outer leaf 23 is formed with a protrusion 231 at the periphery of the inner leaf 21, and the bottom of the outer leaf 23 is provided with a downward extension 232. The outer blade plate 23 is fixedly connected with the inner blade plate 21 through the outer wall of the protruding part 231 of the outer blade plate, a hollow accommodating cavity is formed after the inner blade plate 21, the outer blade plate 23 and the protruding part 231 of the outer blade plate 23 are enclosed together, the heat insulation plate 22 is positioned in the accommodating cavity in a compact filling mode, and the heat insulation plate 22 is fixedly bonded with the inner blade plate 23 and the outer blade plate 23. The prefabricated external wall panel 2 is pre-buried in the lower extreme of interior leaf 21 has screw blind hole sleeve 24, and interior leaf 21 inboard is equipped with grout hole 241 and play thick liquid hole 242 that are linked together with screw blind hole sleeve 24 inside, and grout hole 241 connects in screw blind hole sleeve 24's lower extreme, goes out thick liquid hole 242 and is located screw blind hole sleeve 24's upper end. The floor 1 is provided with the dowel bars 4 by planting the dowel bars after, the upper surface of the floor 1 is poured with the fixed blocks 5 made of plain concrete materials, the fixed blocks 5 are leveled with the upper surface of the cast-in-situ floor 6, and the middle parts of the dowel bars 4 are buried in the fixed blocks 5. The upper surface of the fixed block 5 is provided with a cushion block 8 outside the dowel bar 4, the upper surface of the cushion block 8 is abutted to the bottom surface of the prefabricated external wall panel 2, and cement mortar 81 is filled between the cushion block 8 and the dowel bar 4. The upper end of the dowel bar 4 is penetrated in the threaded blind hole sleeve 24 and is fixed by grouting into the threaded blind hole sleeve 24 through the grouting holes 241. The lower extreme pre-buried hafin groove 31 that has of precast beam 3, prefabricated side fascia 2 pass through on the inner wall installation wallboard adaptor and hafin groove 31 fixed connection, and wherein, wallboard adaptor is right angle structure and the welding has the right angle steel sheet 7 of stiffener 71. Slits are arranged between the inner wall of the extension part 232 of the prefabricated external wall panel 2 and the outer wall of the fixed block 5, and slits are arranged between the joint surfaces of the prefabricated external wall panel 2 and the prefabricated beam 3 or the prefabricated column, and rock wool plates 9 are densely filled in all the slits.
When the utility model is constructed, the BIM technology is firstly utilized to connect with the actual working condition in the design stage to unitize and split the prefabricated external wall panel and verify the correctness of the dimension of the wall panel. After the size is confirmed, finite element software is adopted to simulate various working conditions facing the prefabricated external wall panel, and the mechanical property and the thermal property of the prefabricated external wall panel are designed so that the heat transfer coefficient of the prefabricated external wall panel is less than or equal to 0.4 k/(w.m) and meets the zero-energy consumption building requirement. And the whole process control is carried out on the production process of the prefabricated external wall panel in the production stage, so that the design thickness of the internal filling heat-insulating layer is ensured to be met, and the structural size meets the specification requirement. Firstly positioning according to a design drawing, implanting dowel bars in a floor by adopting a post-reinforcement implantation mode, pouring plain concrete according to a component positioning line, an elevation control line and an inserting position, placing cushion blocks, and fixing the cushion blocks by adopting cement mortar to prevent the cushion blocks from shifting; during the installation of the prefabricated external wall panel, the dowel bars are inserted into the threaded blind hole sleeves firstly, the upper part is connected with the pre-buried hafene groove in the prefabricated beam by utilizing the wall panel adapter, the prefabricated external wall panel is fixed by adopting the M20 bolts 4, and the lower part is fixed by adopting blind hole grouting. After the position, the perpendicularity and the elevation of the prefabricated external wall panel are adjusted, the upper part of the prefabricated external wall panel is connected with the prefabricated beam through the wall panel adapter, and the steel wire rope can be unhooked at the moment.
The height of the prefabricated external wall panel can reach 5.4m, so that the high-rise requirement can be met, and the space utilization rate is improved. The dowel bars are planted in the mode of rear dowel bar planting on the floor, the middle parts of the dowel bars are fixed through the fixing blocks and cement mortar, the upper ends of the dowel bars are inserted into threaded blind hole sleeves of the prefabricated external wall boards, and the dowel bars are fixed through grouting holes to the threaded blind hole sleeves in a grouting mode, so that the welding workload of the reinforcing bars is reduced, the connection quality of the dowel bars is guaranteed, the problem that the floor is poured to pollute the dowel bars and cause dowel bar deflection is avoided, cleaning and secondary positioning rechecking of the dowel bars are not needed, the construction period is effectively shortened, and the working efficiency is improved. The prefabricated side fascia upper end is connected with or prefabricates Ha Fen groove of post through the wallboard adaptor to the wallboard adaptor of prefabricated side fascia accessible upper end adjusts its straightness that hangs down, has further guaranteed prefabricated side fascia's installation quality, does not need to set up interim bracing simultaneously, has made things convenient for the floor support frame to set up, has reduced construction period. By adopting the inner and outer leaf plates to wrap the XPS heat-insulating plate, gaps are reserved at the upper and lower ends of the prefabricated external wall plates and the installation surfaces of the prefabricated beam columns and the like to fill the rock wool plates, so that the heat-insulating effect of the building is ensured.
The present utility model is not limited to the above-described specific embodiments, and it is apparent to those skilled in the art from the above-described idea that various modifications can be made without inventive step and without departing from the scope of the present utility model.
Claims (10)
1. The installation structure of the high and large prefabricated external wall panel is characterized by comprising a floor, a prefabricated external wall panel and a prefabricated beam; the prefabricated external wall panel is characterized in that a threaded blind hole sleeve is embedded at the lower end of the prefabricated external wall panel, a grouting hole communicated with the inside of the threaded blind hole sleeve is formed in the inner side of the prefabricated external wall panel, a dowel bar is planted on the floor, a fixed block of plain concrete material is poured on the upper surface of the floor, the fixed block is leveled with the upper surface of a cast-in-situ floor, the middle part of the dowel bar is embedded in the fixed block, the upper end of the dowel bar penetrates through the threaded blind hole sleeve and is fixedly grouted into the threaded blind hole sleeve through the grouting hole, a hafin groove is embedded at the lower end of the prefabricated beam, and the prefabricated external wall panel is fixedly connected with the hafin groove by installing a wall panel adapter on the inner wall of the prefabricated external wall panel.
2. The installation structure of the high and large prefabricated external wall panel according to claim 1, wherein a cushion block is arranged on the upper surface of the fixing block outside the dowel bar, the upper surface of the cushion block is abutted to the bottom surface of the prefabricated external wall panel, and cement mortar is filled between the cushion block and the dowel bar.
3. The installation structure of the high and large prefabricated external wall panel according to claim 1, wherein the prefabricated external wall panel is sequentially provided with an inner leaf plate, a heat-insulating plate and an outer leaf plate from inside to outside, the periphery of the inner leaf plate is fixedly connected with the outer leaf plate, a containing cavity is formed in the middle of the inner leaf plate, and the heat-insulating plate is located in the containing cavity in a compact filling mode.
4. The installation structure of the high and large prefabricated external wall panel according to claim 3, wherein the heat insulation board is an XPS heat insulation board, a protruding portion is formed at the periphery of the inner leaf plate on the inner side of the outer leaf plate, the outer leaf plate is fixedly connected with the inner leaf plate through the outer wall of the protruding portion, and the accommodating cavity is a cavity formed by surrounding the protruding portion, the inner leaf plate and the outer leaf plate together.
5. The tall prefabricated side fascia installation structure according to claim 4, wherein the threaded blind hole sleeve is embedded in the inner blade.
6. The installation structure of the high and large prefabricated external wall panel according to claim 4, wherein the bottom of the external blade plate is provided with a downward extension part, the inner wall of the extension part and the outer wall of the fixed block are provided with gaps, and rock wool plates are densely filled in the gaps.
7. The tall prefabricated side fascia installation structure according to claim 1, wherein a gap is provided between the prefabricated side fascia and the prefabricated Liang Waibi, and wherein rock wool boards are densely packed in the gap.
8. The tall prefabricated side fascia mounting structure of claim 1, wherein the fascia adapter is a right angle steel plate of right angle construction, the right angle steel plate being provided with stiffening ribs.
9. The installation structure of the high and large prefabricated external wall panel according to claim 1, wherein a grout outlet communicated with the inside of the threaded blind hole sleeve is formed in the inner side of the prefabricated external wall panel, the grout outlet is formed in the lower end of the threaded blind hole sleeve, and the grout outlet is formed in the upper end of the threaded blind 9-hole sleeve.
10. The tall prefabricated side fascia installation structure according to claim 1, wherein the total height of the prefabricated side fascia is 3-5.4m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320280082.4U CN219471275U (en) | 2023-02-22 | 2023-02-22 | High and large prefabricated external wall panel mounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320280082.4U CN219471275U (en) | 2023-02-22 | 2023-02-22 | High and large prefabricated external wall panel mounting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219471275U true CN219471275U (en) | 2023-08-04 |
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ID=87458482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320280082.4U Active CN219471275U (en) | 2023-02-22 | 2023-02-22 | High and large prefabricated external wall panel mounting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219471275U (en) |
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- 2023-02-22 CN CN202320280082.4U patent/CN219471275U/en active Active
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