CN111395555B - Outer wall deformation joint structure and mounting method - Google Patents
Outer wall deformation joint structure and mounting method Download PDFInfo
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- CN111395555B CN111395555B CN202010215462.0A CN202010215462A CN111395555B CN 111395555 B CN111395555 B CN 111395555B CN 202010215462 A CN202010215462 A CN 202010215462A CN 111395555 B CN111395555 B CN 111395555B
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- deformation
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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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- 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
- E04B2/88—Curtain walls
- E04B2/96—Curtain walls comprising panels attached to the structure through mullions or transoms
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- Engineering & Computer Science (AREA)
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Abstract
A deformation joint structure of an outer wall and an installation method thereof are disclosed, wherein the deformation structure comprises two bases, an X-shaped deformation rod is arranged between the middle parts of the two bases, a deformation adhesive tape is arranged between the two ends of the two bases, and the bases are fixedly connected with the inner wall of the deformation joint through fixing pieces; the middle part of the base is provided with a sliding chute, and both ends of the base are provided with first adhesive tape grooves; the deformation rod comprises two sliding rods, the two sliding rods are hinged at the inner side of the middle part through a pin shaft, and balls are arranged at the two ends of each sliding rod and are respectively positioned in the two sliding grooves; vertical first keels are arranged at the positions, corresponding to the pin shafts, of the two sides of the deformation rod, and the outer sides of the middle parts of the two sliding rods are connected with the corresponding first keels through first rotating shafts respectively; a second keel is arranged between the first keel and the base, and two sides of each sliding rod are respectively connected with the corresponding second keel through a second rotating shaft; the outer sides of the first keel and the second keel are respectively provided with a vertical second adhesive tape groove with an outward opening; the section of the deformation adhesive tape is of a broken line type and is provided with a plug corresponding to the first adhesive tape groove and the second adhesive tape groove.
Description
Technical Field
The invention belongs to the technical field of building curtain walls, and particularly relates to a super-large outer wall deformation joint structure and an installation method.
Background
For a building deformation joint with a small width (the joint width is less than or equal to 500mm), the existing method mainly adopts the self deformation of a metal cover plate or an elastic rubber strip to realize the displacement function, and when the building displaces, the cover plate or the rubber strip deforms to adapt to the displacement of a main structure in different directions. However, when the direction and the position are changed, the metal cover plate will displace back and forth, so that the metal cover plate is easy to damage, and has poor displacement capability and short service life; the adhesive tape is limited by factors such as equipment, rigidity, process, cost and the like, and can not be used for producing wider and thick adhesive tape products in a large scale.
In addition, for the building deformation joint with larger width (the joint width is more than 500mm), the existing method mainly adopts filling elastic materials, such as hemp threads or wood thread plates soaked with asphalt, foam plastic strips, ointment elastic waterproof materials, and the like, and additionally adds a metal cover plate, however, once the larger displacement occurs, the elastic materials are torn, the metal cover plate is easy to deform or damage, and needs to be maintained in time.
Disclosure of Invention
In view of the above problems, the present invention aims to provide an outer wall deformation joint structure and an installation method thereof, which can satisfy the building effect and the multi-dimensional displacement function, and are safe, economical and strong in universality, for the conditions of the ultra-large deformation joint of various buildings under the working conditions of high wind pressure area, high-intensity seismic area, special building design, etc.
In order to achieve the purpose, the invention adopts the following technical scheme:
an outer wall deformation joint structure comprises two opposite bases, wherein an X-shaped deformation rod is arranged between the middle parts of the two bases, and a deformation adhesive tape is arranged between the two ends of the two bases and surrounds the deformation rod;
the width of the base corresponds to that of the deformation joint and is fixedly connected with the inner wall of the deformation joint through a fixing piece; the middle part of the base is provided with a vertical chute with a C-shaped section, and the chute openings of the two bases are opposite; two ends of the base are provided with vertical first adhesive tape grooves with outward openings;
the deformation rod comprises two sliding rods with the same length, the two sliding rods are hinged at the inner side of the middle part through a pin shaft, and balls are arranged at two ends of each sliding rod and are respectively positioned in two sliding grooves; vertical first keels are arranged at the positions, corresponding to the pin shafts, of the two sides of the deformation rod, and the outer sides of the middle parts of the two sliding rods are connected with the corresponding first keels through first rotating shafts respectively; a second keel is arranged between the first keel and the base, and two sides of each sliding rod are respectively connected with the corresponding second keel through a second rotating shaft; the outer sides of the first keel and the second keel are respectively provided with a vertical second adhesive tape groove with an outward opening;
the section of the deformation adhesive tape is of a broken line type and is provided with a plug corresponding to the first adhesive tape groove and the second adhesive tape groove.
Furthermore, the deformation rods are multiple and are vertically arranged.
Furthermore, a bearing bolt penetrates through the sliding groove to limit the downward sliding of the ball.
Furthermore, vertical support rods are arranged on two sides of the deformation rod and are positioned between the slide rod and the first keel; a plurality of first pivot of pole that warp all fixes on the bracing piece that corresponds, and this bracing piece passes through connecting bolt and the first fossil fragments fixed connection that corresponds simultaneously.
Furthermore, stiffening ribs are arranged between the two sides of the sliding groove and the base.
Furthermore, a waterproof rubber sheet is arranged between the base and the inner wall of the deformation joint.
The mounting method of the deformation joint structure of the outer wall comprises the following steps:
A. in a factory, the slide bars and the balls are welded, and the two slide bars are hinged through a pin shaft;
B. inserting the ball into the chute of the base, and installing a bearing bolt at the bottom;
C. mounting support rods on two sides of the slide bar, and mounting a first keel and a second keel on two sides of the slide bar to form a deformation bar;
D. in the field, paying off, hoisting and positioning, mounting waterproof rubber on the inner wall of the deformation joint, and then mounting the deformation rod in place by using an expansion bolt;
E. and (4) installing a deformation adhesive tape, and sealing the end and the joint by using silicone sealant.
Further, before installation, the method also comprises the following calculation steps:
firstly, carrying out limit design according to the seam width and displacement requirements of a deformation joint, simulating the sliding rod to stretch to a limit state with an included angle of 25 degrees with the horizontal direction, and calculating the length of the sliding rod; checking that when the slide bars are contracted to a limit state with an included angle of 80 degrees with the horizontal direction, the slide bars of adjacent deformation bars do not collide; simulating and calculating an included angle value e when the front and rear maximum displacement of the wall surface is realized, and designing the opening size and the reinforcing scheme of the base chute, wherein the minimum angle of the chute opening is 2 e;
secondly, designing a deformation adhesive tape and an aluminum alloy notch matched with the bolt and the deformation adhesive tape according to the displacement requirement to complete the design of the base, the first keel and the second keel;
and finally, selecting the number and distribution of the first rotating shaft, the second rotating shaft and the connecting bolts according to the load condition.
The invention has the beneficial effects that: the outer wall deformation joint structure and the mounting method are suitable for the oversized building deformation joint, and the outer wall deformation joint structure is safe in structure, attractive in appearance, simple to manufacture, low in cost, convenient to mount and strong in displacement capacity.
Drawings
FIG. 1 is a schematic structural view of the deformation joint structure of the outer wall of the invention.
Fig. 2 is a sectional view taken in the direction of a-a in fig. 1.
Fig. 3 is a sectional view taken in the direction B-B in fig. 1.
Fig. 4 is a sectional view taken in the direction C-C in fig. 1.
FIG. 5 is a schematic view of the outer wall deformation joint structure of the present invention at the stretching limit.
FIG. 6 is a schematic structural view of the deformation joint structure of the outer wall of the present invention at the shrinkage limit.
FIG. 7 is a schematic structural view of the deformation joint structure of the outer wall at the dislocation limit.
Detailed Description
Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in figures 1-4, the invention provides an outer wall deformation joint structure, which comprises two opposite bases 1, wherein an X-shaped deformation rod 2 is arranged between the middles of the two bases 1, and a deformation rubber strip 3 is arranged between the two ends of the two bases 1 and surrounds the deformation rod 2.
The width of the base 1 corresponds to the width of the deformation joint, and the base is fixedly connected with the inner wall of the deformation joint through a fixing piece, such as an expansion bolt or a bolt. The middle part of the base 1 is provided with a vertical sliding chute 11 with a C-shaped section, and the openings of the sliding chutes 11 of the two bases 1 are opposite. The two ends of the base 1 are both provided with a first adhesive tape groove 12 with a vertical opening facing outwards.
The deformation rod 2 comprises two sliding rods 21 with the same length, the two sliding rods are hinged through a pin 22 on the inner side of the middle part, and balls 23 are arranged at two ends of each sliding rod 21 and are respectively positioned in the two sliding grooves 11. The two sides of the deformation rod 2 are provided with vertical first keels 4 corresponding to the positions of the pin shafts 22, and the outer sides of the middle parts of the two sliding rods 21 are respectively connected with the corresponding first keels 4 through first rotating shafts 41. A second keel 5 is arranged between the first keel 4 and the base 1, and two sides of each sliding rod 21 are respectively connected with the corresponding second keel 5 through a second rotating shaft 51. The outer sides of the first keel 4 and the second keel 5 are provided with vertical second adhesive tape grooves 42 and 52 which are opened outwards.
The cross section of the deformation rubber strip 3 is of a broken line type, and is provided with a plug 31 corresponding to the first rubber strip groove 12 and the second rubber strip grooves 42 and 52. The deformation adhesive tape 31 can adopt a high-elasticity thermoplastic adhesive tape, the cross section of the adhesive tape can be adjusted according to actual conditions, and the color of the adhesive tape can be selected according to the color of the outer wall surface.
The deformation rod 2 is a plurality of and is vertically arranged. The sliding groove 11 is provided with a bearing bolt 13 in a penetrating way to limit the downward sliding of the ball 23, so as to solve the self-weight problem of the auxiliary accessories such as the deformation rod 2, the deformation rubber strip 3, hardware and the like. Vertical support rods 6 are arranged on two sides of the deformation rod 2 and are located between the slide rod 21 and the first keel 4. The first rotating shafts 41 of the deformation rods 2 are fixed on the corresponding supporting rods 6, and meanwhile, the supporting rods 6 are fixedly connected with the corresponding first keels 4 through the connecting bolts 61 so as to solve the problem of a keel supporting structure fixed by middle rubber strips.
The ball 23 of the invention adopts a stainless steel ball with the diameter not less than 25mm, and can effectively solve the problems of the matching and lapping of the steel ball and the aluminum alloy base 1 and the stress of the longitudinal and transverse structures. Stiffening ribs 14 are arranged between the two sides of the sliding chute 11 and the base 1 to solve the problems of sliding of the stainless steel balls 23 in the sliding chute 11 and stress of the longitudinal and transverse structures. The sliding rod 21 is a U-shaped structure with a proper size, such as U-shaped channel steel, properly selected according to the factors of seam width, load size and the like. A waterproof rubber sheet 7 is arranged between the base 1 and the inner wall of the deformation joint so as to solve the problems of water stopping and structural leveling.
The invention also provides an installation method of the outer wall deformation joint structure, which comprises the following steps:
A. in a factory, the slide rods 21 are welded with the balls 23, and the two slide rods 21 are hinged through the pin shaft 22;
B. inserting the ball 23 into the chute 11 of the base 1, and installing a bearing bolt 13 at the bottom;
C. mounting support rods 6 on two sides of a slide rod 21, and mounting a first keel 4 and a second keel 5 on two sides of the slide rod 21 to form a deformation rod 2;
D. in the field, paying off, hoisting and positioning, mounting a waterproof rubber sheet 7 on the inner wall of the deformation joint, and then mounting the deformation rod 2 in place by using an expansion bolt;
E. and (5) installing a deformation adhesive tape 3, and sealing the end and the joint by using silicone sealant.
As shown in fig. 5-7, before installation, the method further comprises the following calculation steps:
firstly, carrying out limit design according to the seam width and displacement requirements of a deformation joint, simulating the condition that the slide bar 21 is stretched to a limit state with an included angle of 25 degrees with the horizontal direction, and calculating the length of the slide bar 21:
Wh＝D*cos(c)-W
and Wh is the width of the deformation rod when the deformation joint is at the stretching limit, D is the length of the slide rod, c is the included angle between the slide rod and the horizontal direction when the deformation rod is at the stretching limit, 25 degrees are taken, and W is the width of the deformation joint.
When the slide bar 21 is checked to be contracted to the limit state with an included angle of 80 degrees with the horizontal direction, the slide bars 21 of the adjacent deformation bars 2 cannot collide:
Sh＝W-D*cos(b)
and taking 80 degrees and W as the width of the deformation joint, wherein Sh is the height of the deformation rod when the deformation joint is contracted to the limit, D is the length of the slide rod, b is the included angle between the slide rod and the horizontal direction when the deformation rod is contracted to the limit.
The included angle value e when maximum displacement around the simulation calculation wall, the opening size and the enhancement scheme of 1 spout 11 of design base, wherein 11 open-ended minimum angles in spout are 2 e:
M＝W*tan(e)
wherein M is the displacement of the dislocation limit, W is the width of the deformation joint, and e is the angle of the dislocation limit.
Secondly, designing a deformation rubber strip 3 and an aluminum alloy notch matched with the bolt and the deformation rubber strip according to the displacement requirement to complete the design of the base 1, the first keel 4 and the second keel 5;
finally, the number and distribution of the first rotating shaft 41, the second rotating shaft 51 and the connecting bolts are selected according to the load condition.
The invention has the following advantages:
1. the invention can be suitable for ultra-large building deformation and is suitable for ultra-wide deformation joints with the seam width larger than 500 mm.
2. The invention has safe structure, adopts the X-shaped deformation rod, and has adjustable types and sizes of the slide rod and the ball.
3. The rubber strip has beautiful appearance, and the color of the high-elastic deformation rubber strip can be selected according to the requirement.
4. The invention has simple manufacture and low cost, and can be produced by common processing plants by adopting conventional materials.
5. The invention has convenient installation, and can reduce the difficulty of field installation due to the factory assembly of a complex part.
6. The invention has strong displacement capability, can be adjusted in multiple dimensions, is adaptive in all directions, and has a calculated and controllable displacement value.
The above description is only of the preferred embodiments of the present invention, and certainly not intended to limit the scope of the present invention. Any equivalent alterations and substitutions of the above technical solutions are all within the protection scope of the present invention.
Claims (7)
1. An outer wall deformation joint structure is characterized by comprising two opposite bases, wherein an X-shaped deformation rod is arranged between the middle parts of the two bases, and a deformation adhesive tape is arranged between the two ends of the two bases to surround the deformation rod;
the width of the base corresponds to that of the deformation joint and is fixedly connected with the inner wall of the deformation joint through a fixing piece; the middle part of the base is provided with a vertical chute with a C-shaped section, and the chute openings of the two bases are opposite; two ends of the base are provided with vertical first adhesive tape grooves with outward openings;
the deformation rod comprises two sliding rods with the same length, the two sliding rods are hinged at the inner side of the middle part through a pin shaft, and balls are arranged at two ends of each sliding rod and are respectively positioned in two sliding grooves; vertical first keels are arranged at the positions, corresponding to the pin shafts, of the two sides of the deformation rod, and the outer sides of the middle parts of the two sliding rods are connected with the corresponding first keels through first rotating shafts respectively; a second keel is arranged between the first keel and the base, and two sides of each sliding rod are respectively connected with the corresponding second keel through a second rotating shaft; the outer sides of the first keel and the second keel are respectively provided with a vertical second adhesive tape groove with an outward opening;
the cross section of each deformation adhesive tape is of a broken line shape, and is provided with a plug corresponding to the first adhesive tape groove and the second adhesive tape groove; and the sliding groove is penetrated with a bearing bolt to limit the downward sliding of the ball.
2. The exterior wall deformation joint structure of claim 1, wherein: the deformation rods are multiple and are vertically arranged.
3. The exterior wall deformation joint structure of claim 2, wherein: vertical support rods are arranged on two sides of the deformation rod and are positioned between the slide rod and the first keel; a plurality of first pivot of pole that warp all fixes on the bracing piece that corresponds, and this bracing piece passes through connecting bolt and the first fossil fragments fixed connection that corresponds simultaneously.
4. The exterior wall deformation joint structure of claim 1, wherein: stiffening ribs are arranged between the two sides of the sliding groove and the base.
5. The exterior wall deformation joint structure of claim 1, wherein: and a waterproof rubber sheet is arranged between the base and the inner wall of the deformation joint.
6. An installation method of the deformation joint structure of the external wall according to any one of claims 1 to 5, characterized by comprising the following steps:
A. in a factory, the slide bars and the balls are welded, and the two slide bars are hinged through a pin shaft;
B. inserting the ball into the chute of the base, and installing a bearing bolt at the bottom;
C. mounting support rods on two sides of the slide bar, and mounting a first keel and a second keel on two sides of the slide bar to form a deformation bar;
D. in the field, paying off, hoisting and positioning, mounting waterproof rubber on the inner wall of the deformation joint, and then mounting the deformation rod in place by using an expansion bolt;
E. and (4) installing a deformation adhesive tape, and sealing the end and the joint by using silicone sealant.
7. The method for installing an outer wall deformation joint structure according to claim 6, characterized by further comprising the following calculation steps before installation:
firstly, carrying out limit design according to the seam width and displacement requirements of a deformation joint, simulating the sliding rod to stretch to a limit state with an included angle of 25 degrees with the horizontal direction, and calculating the length of the sliding rod; checking that when the slide bars are contracted to a limit state with an included angle of 80 degrees with the horizontal direction, the slide bars of adjacent deformation bars do not collide; simulating and calculating an included angle value e when the front and rear maximum displacement of the wall surface is realized, and designing the opening size and the reinforcing scheme of the base chute, wherein the minimum angle of the chute opening is 2 e;
secondly, designing a deformation adhesive tape and an aluminum alloy notch matched with the bolt and the deformation adhesive tape according to the displacement requirement to complete the design of the base, the first keel and the second keel;
and finally, selecting the number and distribution of the first rotating shaft, the second rotating shaft and the connecting bolts according to the load condition.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010215462.0A CN111395555B (en) | 2020-03-24 | 2020-03-24 | Outer wall deformation joint structure and mounting method |
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| CN202010215462.0A CN111395555B (en) | 2020-03-24 | 2020-03-24 | Outer wall deformation joint structure and mounting method |
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| CN111395555A CN111395555A (en) | 2020-07-10 |
| CN111395555B true CN111395555B (en) | 2022-03-15 |
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| CN113216423A (en) * | 2021-05-31 | 2021-08-06 | 苏州嘉盛建设工程有限公司 | Deformation joint sealing waterproof structure and construction method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5887400A (en) * | 1997-05-01 | 1999-03-30 | Watson Bowman Acme Corp. | Expansion control system |
| CN2480475Y (en) * | 2001-04-16 | 2002-03-06 | 吴志峰 | Rubber inlaid type wall deformation corrector |
| JP5188890B2 (en) * | 2008-06-25 | 2013-04-24 | ドーエイ外装有限会社 | Floor joint device |
| CN207453142U (en) * | 2017-07-17 | 2018-06-05 | 刘亚鹏 | A kind of exterior wall deformation joint reinforcement by connection device |
| CN110029784B (en) * | 2019-04-09 | 2021-02-05 | 中和华丰建设有限责任公司 | Roof anti-leakage deformation joint structure and construction method thereof |
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