CN211850066U - Waterproof structure for joint of prefabricated external wall panel of prefabricated building - Google Patents
Waterproof structure for joint of prefabricated external wall panel of prefabricated building Download PDFInfo
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- CN211850066U CN211850066U CN201922059392.XU CN201922059392U CN211850066U CN 211850066 U CN211850066 U CN 211850066U CN 201922059392 U CN201922059392 U CN 201922059392U CN 211850066 U CN211850066 U CN 211850066U
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Abstract
The utility model provides an assembly type structure prefabricated side fascia seam crossing waterproof construction, side fascia waterproof form has 3 waterproof measure, and the waterproof silica gel of resistant time that high elasticity was adopted in the outside, the intermediate part is the decompression space that the physics cavity formed, and inboard use is compressed tightly mutually from top to bottom mutually at the waterproof rubber strip of pre-embedding in the concrete and is played water-proof effects, including the inflation sealing rod, its characterized in that: the expansion water stop strip is a water stop strip capable of expanding when meeting water, and the rubber strip is replaced by the water stop strip capable of expanding when meeting water. The utility model discloses a prefabricated side fascia seam crossing waterproof construction of assembly type structure has that waterproof technology principle is simple, the operation of being convenient for, and the whole effect of waterproof engineering is stable, guarantees the closed waterproof no leakage point of assembly type side fascia, and the construction progress of assembly type side fascia can not receive the advantage that influences and reduction engineering cost.
Description
Technical Field
The utility model relates to a wall body waterproof construction, specifically speaking are prefabricated side fascia seam crossing waterproof construction of assembly type structure.
Background
With the development of the construction industry of the prefabricated external wall panel in China, the design concept of the prefabricated building waterproof structure must be adjusted. Because the prefabricated building is a structural part assembled on site, a large number of assembled joints can be reserved and can easily become channels for water permeation, and the prefabricated building has certain inherent weakness in waterproof. Industry has also contributed to efforts to overcome their shortcomings.
Chinese patent CN106703225A discloses a waterproof method for joints of prefabricated exterior walls of prefabricated buildings in 2017, 5/24/h, wherein the waterproof of horizontal joints is divided into two cases, the exterior wall is a stressed wall, i.e. a stressed lateral-force-resistant member, and the grouting method is adopted, and the exterior wall is only a foundation grouting method for maintaining the structure; the method is mainly realized through a tongue-and-groove, a cavity structure and outer wall sealant; the vertical seam is waterproof and is horizontally seamed with the horizontal section of the PCF. However, both grouting and setting grouting methods have the hidden trouble of water leakage of slab cracks which gradually form over a long time.
In addition, in order to resist the influence of earthquake force, some prefabricated building structures are designed into an outer wall which can move in a certain range, the wall plate can move, the difficulty of waterproofing joints of the wall plate is increased, a closed line waterproof structure adopts a method of combining three waterproof layers, namely an inner waterproof layer and an outer waterproof layer, and blocking is removed, so that the requirements on precision during construction are very high, the dislocation of the wall plate cannot be larger than 5mm, and otherwise, rubber strips cannot be compressed.
Therefore, the known prefabricated external wall panels for prefabricated buildings have the inconvenience and problems of waterproofing at the joints.
Disclosure of Invention
The utility model aims at providing a safe and reliable's prefabricated wall panel seam crossing waterproof construction of assembly type structure.
In order to achieve the above object, the technical solution of the present invention is:
the utility model provides an assembly type structure prefabricated side fascia seam crossing waterproof construction, side fascia waterproof form has 3 waterproof measure, and the waterproof silica gel of resistant time that high elasticity was adopted in the outside, the intermediate part is the decompression space that the physics cavity formed, and inboard use is compressed tightly mutually from top to bottom mutually at the waterproof rubber strip of pre-embedding in the concrete and is played water-proof effects, including the inflation sealing rod, its characterized in that:
the expansion water stop strip is a water stop strip capable of expanding when meeting water, and the rubber strip is replaced by the water stop strip capable of expanding when meeting water;
wherein: in the joint of the horizontal external wall panel, a decompression empty bin is arranged between an upper layer panel and a lower layer panel, one end of the decompression empty bin, which is positioned outdoors, is lower than the other end of the decompression empty bin, one end of the decompression empty bin is provided with a weather-proof sealant and a foam strip of a back lining, and the other end of the decompression empty bin is provided with a water-swelling water stop strip of the weather-proof sealant and the back lining; in the vertical external wall panel seam, be equipped with the decompression empty storehouse between left side board and the right side board, the upper end in decompression empty storehouse is equipped with weather-resistant sealant and the foam strip of backing, and the lower extreme in decompression empty storehouse is equipped with the water-swelling sealing strip of weather-resistant sealant and backing.
The utility model discloses a prefabricated side fascia seam crossing waterproof construction of assembly type structure can also adopt following technical measure to further realize.
According to the waterproof structure at the joint of the prefabricated external wall panel of the fabricated building, the expansion rate of the water-swelling water stop strip is more than or equal to 250%.
Aforementioned assembly type structure prefabricated external wall panel seam crossing waterproof construction, wherein the side fascia is precast concrete pc side fascia.
According to the waterproof structure for the joint of the prefabricated external wall panel of the prefabricated building, the plate joint of two adjacent wall panels in the external wall panel is controlled to be 20-30 mm.
After the technical scheme is adopted, the utility model discloses an assembly type structure prefabricated wall panel seam crossing waterproof construction has following advantage:
1. the waterproof process principle is simple and convenient to operate;
2. the whole waterproof engineering effect is stable, and the closed type waterproof and leakage-free points of the assembled external wall panel are ensured;
3. the construction progress of assembled side fascia can not receive the influence, reduces engineering cost.
Drawings
Fig. 1 is a schematic view of a waterproof structure at a seam of an assembly type building prefabricated external wall panel in a horizontal external wall panel seam according to an embodiment of the present invention;
fig. 2 is the utility model discloses prefabricated side fascia seam crossing waterproof construction of assembly type structure schematic diagram in vertical side fascia seam.
In the figure: 1 upper PC board, 2 resistant sealed glues of waiting, 3 foam strips, 4 lower floor's PC boards, 5 sealing strips, 6 decompression empty storehouse, 7 outdoor, 8 indoor, 9 left side PC boards, 10 right side PC boards.
Detailed Description
The present invention will be further described with reference to the following examples and accompanying drawings.
Example 1
The utility model discloses a prefabricated side fascia seam crossing waterproof construction of assembly type structure, side fascia waterproof form has 3 waterproof measure, adopts the resistant waterproof silica gel of waiting of high elasticity in the outside, and the intermediate part is the decompression space that the physics cavity formed, and inboard use inlays the waterproof rubber strip in the concrete in advance from top to bottom mutually and compresses tightly and play water-proof effects, including the inflation sealing rod.
Referring to fig. 1, fig. 1 is a schematic view of a waterproof structure at a seam of an prefabricated external wall panel for an assembly type building according to an embodiment of the present invention. As shown in the figure, the expansion water stop strip is a water-swelling water stop strip, the rubber strip is replaced by the water-swelling water stop strip, and the expansion rate of the water-swelling water stop strip is 250%. In the horizontal outer wall panel joint, a decompression empty bin 6 is arranged between an upper PC board 1 and a lower PC board 4, one end of the decompression empty bin outside is lower than the other end of the decompression empty bin inside, one end of the decompression empty bin is provided with weather-proof sealant 2 and a foam strip 3 of a back lining, and the other end of the decompression empty bin is provided with a water-swelling water stop strip of the weather-proof sealant and the back lining
Fig. 2 is the utility model discloses prefabricated side fascia seam crossing waterproof construction of assembly type structure schematic diagram in vertical side fascia seam. In the vertical external wall panel seam, be equipped with decompression empty storehouse 6 between left side PC board 9 and the right side PC board 10, the upper end in decompression empty storehouse is equipped with weather-resistant sealant and the foam strip of backing, and the lower extreme in decompression empty storehouse is equipped with the water-swelling sealing rod of weather-resistant sealant and backing. The external wall panel is a precast concrete pc external wall panel. The plate seam of two adjacent wallboards in the external wallboard is controlled at 20-30 mm.
The utility model has the advantages of substantive characteristics and the technological progress that is showing, the utility model discloses a prefabricated side fascia seam crossing waterproof construction of assembly type structure adopts water inflation sealing rod to replace traditional rubber strip on the outer wall board.
The utility model discloses an assembly type structure of prefabricating external wall panel seam crossing waterproof construction technology principle is simple, the operation of being convenient for. When the prefabricated side fascia of assembled building was under construction, the prefabricated side fascia of mill (rainwater inflation sealing strip area protection transparent film), transportation to scene, get rid of and meet water inflation sealing strip protection film, the installation side fascia, whether the inspection meets water inflation sealing strip alignment accuracy, removes except that the wallboard support, accomplishes the installation. And a water-swelling water stop strip with the thickness of 20-30 mmx 20-30 mm is reserved on the inner side of the outer wall plate. And a water-swelling water stop strip with the thickness of 20-30 mmx 20-30 mm is reserved on the inner side of the lower plate of the outer wall. The adjacent plate joint of assembled outer wall is controlled at 20 ~ 30mm, the site operation of being convenient for, and waterproof sealing strip is waterproof as the third, and the effectual moisture that probably gets into indoor is totally obstructed outside the empty storehouse of decompression.
The above embodiments are provided only for the purpose of illustration, and not for the purpose of limitation, and those skilled in the art can make various changes or modifications without departing from the spirit and scope of the present invention. Therefore, all equivalent technical solutions should also fall within the scope of the present invention, which is defined by the claims.
Claims (4)
1. The utility model provides an assembly type structure prefabricated side fascia seam crossing waterproof construction, side fascia waterproof form has 3 waterproof measure, and the waterproof silica gel of resistant time that high elasticity was adopted in the outside, the intermediate part is the decompression space that the physics cavity formed, and inboard use is compressed tightly mutually from top to bottom mutually at the waterproof rubber strip of pre-embedding in the concrete and is played water-proof effects, including the inflation sealing rod, its characterized in that:
the expansion water stop strip is a water stop strip capable of expanding when meeting water, and the rubber strip is replaced by the water stop strip capable of expanding when meeting water;
wherein: in the joint of the horizontal external wall panel, a decompression empty bin is arranged between an upper layer panel and a lower layer panel, one end of the decompression empty bin, which is positioned outdoors, is lower than the other end of the decompression empty bin, one end of the decompression empty bin is provided with a weather-proof sealant and a foam strip of a back lining, and the other end of the decompression empty bin is provided with a water-swelling water stop strip of the weather-proof sealant and the back lining; in the vertical external wall panel seam, be equipped with the decompression empty storehouse between left side board and the right side board, the upper end in decompression empty storehouse is equipped with weather-resistant sealant and the foam strip of backing, and the lower extreme in decompression empty storehouse is equipped with the water-swelling sealing strip of weather-resistant sealant and backing.
2. The prefabricated external wall panel joint waterproof structure for prefabricated buildings according to claim 1, wherein the expansion rate of the water-swelling water stop strip is more than or equal to 250%.
3. The prefabricated exterior wall panel joint waterproof structure for an assembly type building as claimed in claim 1, wherein the exterior wall panel is a precast concrete pc exterior wall panel.
4. The prefabricated external wall panel joint waterproof structure for an assembly type building as claimed in claim 1, wherein the panel joint of two adjacent external wall panels in the external wall panel is controlled to be 20-30 mm.
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112523250A (en) * | 2020-12-11 | 2021-03-19 | 中国能源建设集团江苏省电力设计院有限公司 | Waterproof seam system for energy storage container assembly type foundation |
CN112663802A (en) * | 2020-12-17 | 2021-04-16 | 上海建工四建集团有限公司 | Assembly type building outer wall joint sealing waterproof structure and construction method thereof |
CN113279481A (en) * | 2021-06-08 | 2021-08-20 | 台州学院 | Assembled concrete building waterproof construction |
CN114382185A (en) * | 2022-01-25 | 2022-04-22 | 华南理工大学建筑设计研究院有限公司 | Waterproof construction of horizontal seam crossing of prefabricated outer wall of assembled |
CN114960984A (en) * | 2022-06-29 | 2022-08-30 | 中国十七冶集团有限公司 | Building outer wall gap waterproof structure and building outer wall gap waterproof method |
-
2019
- 2019-11-26 CN CN201922059392.XU patent/CN211850066U/en active Active
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112523250A (en) * | 2020-12-11 | 2021-03-19 | 中国能源建设集团江苏省电力设计院有限公司 | Waterproof seam system for energy storage container assembly type foundation |
CN112663802A (en) * | 2020-12-17 | 2021-04-16 | 上海建工四建集团有限公司 | Assembly type building outer wall joint sealing waterproof structure and construction method thereof |
CN113279481A (en) * | 2021-06-08 | 2021-08-20 | 台州学院 | Assembled concrete building waterproof construction |
CN114382185A (en) * | 2022-01-25 | 2022-04-22 | 华南理工大学建筑设计研究院有限公司 | Waterproof construction of horizontal seam crossing of prefabricated outer wall of assembled |
CN114960984A (en) * | 2022-06-29 | 2022-08-30 | 中国十七冶集团有限公司 | Building outer wall gap waterproof structure and building outer wall gap waterproof method |
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