CN109736455B - Anti-settling construction method for deformation joint of curtain wall - Google Patents
Anti-settling construction method for deformation joint of curtain wall Download PDFInfo
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- CN109736455B CN109736455B CN201910011560.XA CN201910011560A CN109736455B CN 109736455 B CN109736455 B CN 109736455B CN 201910011560 A CN201910011560 A CN 201910011560A CN 109736455 B CN109736455 B CN 109736455B
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Abstract
The invention is mainly applied to the technical field of buildings, and particularly relates to a curtain wall deformation joint anti-settlement construction method which adopts the following steps: 1) pouring a main building deformation joint low wall and a skirt house deformation joint low wall to form a staggered platform height difference, and respectively longitudinally arranging battens in a through manner during pouring; 2) removing the battens after pouring to form a tongue-and-groove; 3) embedding expansion bolts in the two tongue-and-groove grooves along the length direction of the tongue-and-groove grooves; 4) mounting a bent lower cover plate in a rabbet groove of the low wall of the deformation joint of the skirt house, and 5) embedding waterproof ointment; 6) a bending type upper cover plate is arranged in a tongue-and-groove of the main building deformation joint low wall; 7) installing an inverted U-shaped inclined punching cover plate; 8) injecting foaming filler. The invention makes the upper and lower cover plates form a gap capable of relative displacement, so as to eliminate the influence of tension caused by the settlement deformation difference of the main building skirt house and form the deformation resistance. The setting of the apron is punched in the slope of type of falling U, and it is convenient to dismantle.
Description
Technical Field
The invention relates to a curtain wall deformation joint anti-settlement construction method, and belongs to the technical field of building construction.
Background
Along with high-rise building increases gradually, the curtain is used extensively gradually, the main building is more adopts the curtain, and the waterproof of curtain becomes a great quality hidden danger in high low building connection movement joint department, traditional way is directly located the curtain structure on the movement joint, and fill resistant sealed glue of waiting, the inhomogeneous settlement formula takes place for both sides structure, can lead to waterproof fracture or the whole fracture of curtain lower floor, cause the energy-conserving effect of curtain to lose, cause the potential safety hazard even, fall to hinder quality accidents such as people.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the curtain wall deformation joint anti-settling construction method is strong in deformation resistance, convenient to maintain and replace at later period, and capable of preventing the curtain wall panel from being damaged by extrusion due to extrusion stress caused by cold and heat deformation or other external forces.
The invention relates to a curtain wall deformation joint anti-settlement construction method, which comprises the following steps:
1) pouring a main building deformation joint low wall and a skirt house deformation joint low wall, wherein the main building deformation joint low wall is higher than the skirt house deformation joint low wall during pouring to form a staggered platform height difference, and tongue-and-groove grooves are reserved on the outer sides of the main building deformation joint low wall and the skirt house deformation joint low wall respectively during pouring;
2) drilling holes in the two tongue-and-groove grooves along the length direction of the tongue-and-groove grooves, and embedding expansion bolts;
3) placing a pre-punched bent lower cover plate in a rabbet groove of the skirt house deformation joint low wall, and screwing a nut of an expansion bolt to tightly press the bent lower cover plate;
4) embedding waterproof ointment into the groove and tongue groove, and trowelling and covering;
5) repeating the steps 3) and 4) in the tongue-and-groove of the main building deformation joint low wall to complete the installation of the bent upper cover plate;
6) sequentially installing a curtain wall fixing piece, a curtain wall main keel, a curtain wall secondary keel and a curtain wall panel;
7) installing an inverted U-shaped inclined punching cover plate by taking the upper edge of the main building deformation joint low wall as a reference;
8) and injecting a foaming filler into the holes of the inverted-U-shaped inclined perforated cover plate, and cutting off the excessive filler overflowing from the curtain wall panel and the upper inverted-U-shaped inclined perforated cover plate by using a blade.
The staggered platform height difference in the step 1) is at least 200mm, the outer sides of the main building deformation joint low wall and the skirt room deformation joint low wall are respectively the main building deformation joint side and the skirt room deformation joint side.
In the step 1), when a main building deformation joint low wall and a skirt house deformation joint low wall are poured, battens are longitudinally and completely arranged on the outer sides of the main building deformation joint low wall and the skirt house deformation joint low wall; after pouring, removing battens, and respectively forming tongue-and-groove grooves on the main building deformation joint low wall and the skirt house deformation joint low wall; the battens are square battens with the thickness of 30mm by 30 mm.
The distance between the drill holes in the two tongue-and-groove grooves in the step 2) is less than or equal to 500 mm.
The bending type lower cover plate and the bending type upper cover plate in the steps 3) and 5) are respectively made of aluminum plates, and the pre-punching intervals of the bending type lower cover plate and the bending type upper cover plate are consistent with the punching intervals in the step 2).
And 6) selecting a glass curtain wall as the curtain wall panel, and coating silver paint on the lower part of the inner side of the curtain wall panel, wherein the coating height is within the height range of the foaming filler. When the curtain wall panel is made of a light-transmitting material, the glass back is coated, and the silver powder paint has a light-reflecting property, so that ultraviolet radiation aging of sunlight on the internal foaming filler can be effectively prevented.
And 7) setting the inverted U-shaped inclined punching cover plate to be an inverted U-shaped inclined 45-degree punching aluminum cover plate, wherein the punching position is in the middle of the inverted U-shaped inclined punching cover plate.
In the step 8), the foaming filler 6 is injected into the inner space 1/3 at a height of about 20 minutes before overflowing from the injection hole.
The upper part of the bending type upper cover plate is arranged in a rabbet groove of the main building deformation joint low wall, the lower part of the bending type upper cover plate is suspended, the upper part of the bending type upper cover plate is arranged in a U shape corresponding to the rabbet groove, and the suspended part of the bending type upper cover plate is an L shape which is formed by connecting two ends and the tail and is arranged corresponding to the height difference of the staggered floor.
The lower part of the bending type lower cover plate is arranged in a rabbet groove of the skirt house deformation joint low wall, the upper part of the bending type lower cover plate is suspended, the lower part of the bending type lower cover plate is arranged in a U shape corresponding to the rabbet groove, and the suspended part is in an L shape which is connected end to end and is arranged corresponding to the staggered platform height difference.
The invention has the beneficial effects that:
the arrangement of the bent lower cover plate and the bent upper cover plate enables the upper cover plate and the lower cover plate to form a gap capable of relative displacement, so that the influence of pulling force caused by the settlement deformation difference of the main building skirt house is eliminated, and the deformation resistance is formed. And be convenient for later stage maintenance change, the setting of the apron that punches is inclined to the type of falling U, it is convenient to dismantle, only needs to demolish the oblique 45 degrees aluminium system apron that punches of type of falling U, simply cuts foaming filler, changes upper cover plate, lower apron. The cover plate with the angle of 45 degrees is inclined, when the cover plate is subjected to cold and heat deformation or other external forces, the curtain wall panel cannot be damaged by extrusion due to extrusion stress, and the follow-up foaming filler forms a closed space. The silver paint coated on the curtain wall panel has a reflective property, and the glass back coating can effectively prevent sunlight from ageing on ultraviolet radiation of the foaming filler inside, and when the curtain wall panel is made of a light-transmitting material.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural diagram of a bending type upper cover plate.
Fig. 3 is a schematic structural diagram of a bent lower cover plate.
Fig. 4 is a schematic structural view of an inverted U-shaped inclined perforated cover plate.
In the figure: 1. a curtain wall main keel; 2. curtain wall fixing parts; 3. a curtain wall panel; 4. coating silver paint; 5. the curtain wall secondary keel; 6. a foaming filler; 7. a bent upper cover plate; 8. a bent lower cover plate; 9. waterproof ointment; 10. an expansion bolt; 11. a low wall of a deformation joint of the skirt house; 12. a peripheral frame beam of the skirt house; 13. a main building peripheral frame beam; 14. a main building deformation joint low wall; 15. main building frame columns; 16. the inverted U-shaped inclined punching cover plate.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
as shown in figures 1-4, the anti-settling construction method for the curtain wall deformation joint comprises the following steps:
1) after the main building frame column 15, the main building peripheral frame beam 13 and the skirt house peripheral frame beam 12 are poured, the main building deformation joint low wall 14 and the skirt house deformation joint low wall 11 are poured, the main building deformation joint low wall 14 is higher than the skirt house deformation joint low wall 11 during pouring to form a staggered platform height difference, and wood strips are longitudinally and completely arranged on the outer sides of the main building deformation joint low wall 14 and the skirt house deformation joint low wall 11 during pouring;
2) after pouring, removing battens, and respectively forming tongue-and-groove grooves on the main building deformation joint low wall 14 and the skirt house deformation joint low wall 11;
3) drilling holes in the two tongue-and-groove grooves along the length direction of the tongue-and-groove grooves, and embedding expansion bolts 10;
4) placing a pre-punched aluminum bent lower cover plate 8 in a rabbet groove of the skirt house deformation joint low wall 11, and screwing a nut of an expansion bolt 10 to tightly press the bent lower cover plate 8;
5) embedding waterproof factice 9 into the groove and tongue groove, and trowelling and covering;
6) repeating the steps 4) and 5) in the tongue-and-groove of the main building deformation joint low wall 14 to finish the installation of the bent upper cover plate 7;
7) sequentially installing a curtain wall fixing piece 2, a curtain wall main keel 1, a curtain wall secondary keel 5 and a curtain wall panel 3;
8) an inverted U-shaped inclined punching cover plate 16 is installed by taking the upper edge of the main building deformation joint low wall 14 as a reference;
9) the foaming filler 6 is injected into the holes of the inverted U-shaped inclined perforated cover plate 16, and the excess filling material overflowing from the curtain wall panel and the upper inverted U-shaped inclined perforated cover plate 16 is cut off by a blade.
The staggered platform height difference in the step 1) is at least 200mm, the outer sides of the main building deformation joint low wall 14 and the skirt room deformation joint low wall 11 are respectively the main building deformation joint side and the skirt room deformation joint side.
The wood strips used in the step 1) are 30mm by 30mm square wood strips.
The distance between the drill holes in the two tongue-and-groove grooves in the step 3) is less than or equal to 500 mm.
The bending type lower cover plate 8 and the bending type upper cover plate 7 in the steps 4) and 6) are respectively made of aluminum plates, and the pre-punching intervals of the bending type lower cover plate and the bending type upper cover plate are consistent with the punching intervals in the step 3).
And 7) selecting a glass curtain wall as the curtain wall panel 3, and coating silver paint on the lower part of the inner side of the curtain wall panel 3 to form a silver paint coating 4, wherein the coating height is within the height range of the foaming filler 6.
And 8) setting the inverted-U-shaped inclined punching cover plate 16 as an inverted-U-shaped inclined 45-degree punching aluminum cover plate, wherein the punching position is in the middle of the inverted-U-shaped inclined punching cover plate 16.
In step 9), the foaming agent 6 is injected into the inner space 1/3 at a height of 20 minutes before overflowing from the injection hole.
The upper part of the bending type upper cover plate 7 is arranged in a rabbet groove of the main building deformation joint low wall 14, the lower part is suspended, the upper part is arranged in a U shape corresponding to the rabbet groove, and the suspended part is in an L shape with two ends connected with each other and corresponding to the staggered platform height difference. The lower part of the bent lower cover plate 8 is arranged in a rabbet groove of the skirt house deformation joint low wall 11, the upper part is suspended, the lower part corresponding to the rabbet groove is set to be U-shaped, and the suspended part is L-shaped with two ends connected with each other and corresponding to the staggered platform height difference.
Claims (10)
1. A curtain wall deformation joint anti-settlement construction method is characterized by comprising the following steps:
1) pouring a main building deformation joint low wall (14) and a skirt room deformation joint low wall (11), wherein the main building deformation joint low wall (14) is higher than the skirt room deformation joint low wall (11) during pouring to form a staggered platform height difference, and tongue-and-groove grooves are reserved on the outer sides of the main building deformation joint low wall (14) and the skirt room deformation joint low wall (11) respectively during pouring;
2) drilling holes in the two tongue-and-groove grooves along the length direction of the tongue-and-groove grooves, and embedding expansion bolts (10);
3) a pre-punched bent lower cover plate (8) is placed in a rabbet groove of the skirt house deformation joint low wall (11), and a nut of an expansion bolt (10) is screwed to compress the bent lower cover plate (8);
4) embedding waterproof factice (9) in the groove and tongue groove, and trowelling and covering firmly;
5) repeating the steps 3) and 4) in the tongue-and-groove of the main building deformation joint low wall (14), and finishing the installation of the bent upper cover plate (7);
6) sequentially installing a curtain wall fixing piece (2), a curtain wall main keel (1), a curtain wall secondary keel (5) and a curtain wall panel (3);
7) an inverted U-shaped inclined punching cover plate (16) is installed by taking the upper edge of the main building deformation joint low wall (14) as a reference;
8) the foaming filler (6) is injected into the holes of the inverted U-shaped inclined perforated cover plate (16), and the excessive filling material overflowing from the curtain wall panel (3) and the upper inverted U-shaped inclined perforated cover plate (16) of the foaming filler (6) is cut off by a blade.
2. The anti-settling construction method for the deformation joint of the curtain wall as claimed in claim 1, wherein the anti-settling construction method comprises the following steps: in the step 1), the height difference of the staggered platforms is at least 200mm, the outer sides of the main building deformation joint low wall (14) and the skirt room deformation joint low wall (11) are respectively the main building side close to the deformation joint and the skirt room side far away from the deformation joint.
3. The anti-settling construction method for the deformation joint of the curtain wall as claimed in claim 1, wherein the anti-settling construction method comprises the following steps: step 1) when a main building deformation joint low wall and a skirt house deformation joint low wall are poured, battens are longitudinally and completely arranged on the outer sides of the main building deformation joint low wall and the skirt house deformation joint low wall; after pouring, removing battens, and respectively forming tongue-and-groove grooves on the main building deformation joint low wall and the skirt house deformation joint low wall; the battens are square battens with the thickness of 30mm by 30 mm.
4. The anti-settling construction method for the deformation joint of the curtain wall as claimed in claim 1, wherein the anti-settling construction method comprises the following steps: the distance between the drill holes in the two tongue-and-groove grooves in the step 2) is less than or equal to 500 mm.
5. The anti-settling construction method for the deformation joint of the curtain wall as claimed in claim 1, wherein the anti-settling construction method comprises the following steps: the bending type lower cover plate (8) and the bending type upper cover plate (7) in the steps 3) and 5) are respectively made of aluminum plates, and the pre-punching intervals of the bending type lower cover plate and the bending type upper cover plate are consistent with the punching intervals in the step 2).
6. The anti-settling construction method for the deformation joint of the curtain wall as claimed in claim 1, wherein the anti-settling construction method comprises the following steps: and 6), selecting a glass curtain wall as the curtain wall panel (3), and coating silver paint on the lower part of the inner side of the curtain wall panel (3) before installation, wherein the coating height is within the height range of the foaming filler (6).
7. The anti-settling construction method for the deformation joint of the curtain wall as claimed in claim 1, wherein the anti-settling construction method comprises the following steps: and 7), arranging the inverted U-shaped inclined punching cover plate (16) into an inverted U-shaped inclined 45-degree punching aluminum cover plate, and punching the hole at the middle part of the inverted U-shaped inclined punching cover plate (16).
8. The anti-settling construction method for the deformation joint of the curtain wall as claimed in claim 1, wherein the anti-settling construction method comprises the following steps: in step 8), the foaming filler (6) is injected into the inner space 1/3 at a height of 20 minutes before overflowing from the injection hole.
9. The anti-settling construction method for the deformation joint of the curtain wall as claimed in claim 1, wherein the anti-settling construction method comprises the following steps: and 5), the upper part of the bending type upper cover plate (7) is arranged in a rabbet groove of the main building deformation joint low wall (14), the lower part of the bending type upper cover plate is suspended, the upper part of the bending type upper cover plate is arranged in a U shape corresponding to the rabbet groove, and the suspended part of the bending type upper cover plate is an L shape with two ends connected with each other and arranged corresponding to the height difference of the staggered floor.
10. The anti-settling construction method for the deformation joint of the curtain wall as claimed in claim 1, wherein the anti-settling construction method comprises the following steps: and 3) the lower part of the bent lower cover plate (8) is arranged in a rabbet groove of the skirt house deformation joint low wall (11), the upper part is suspended, the lower part corresponding to the rabbet groove is set to be U-shaped, and the suspended part is L-shaped with two ends connected with each other and corresponding to the staggered platform height difference.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910011560.XA CN109736455B (en) | 2019-01-07 | 2019-01-07 | Anti-settling construction method for deformation joint of curtain wall |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910011560.XA CN109736455B (en) | 2019-01-07 | 2019-01-07 | Anti-settling construction method for deformation joint of curtain wall |
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| CN109736455A CN109736455A (en) | 2019-05-10 |
| CN109736455B true CN109736455B (en) | 2020-12-11 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US5611181A (en) * | 1994-11-14 | 1997-03-18 | Construction Specialties, Inc. | Seismic expansion joint cover |
| CN202530656U (en) * | 2012-03-31 | 2012-11-14 | 叶香菲 | High and low roof expansion joint structure |
| CN207110085U (en) * | 2017-08-30 | 2018-03-16 | 浙江中邦建设工程有限公司 | A kind of antiseep processing structure at expansion joint high-low bay |
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