Waterproof structure for steel concrete joint of parapet wall
By adding stainless steel waterproof folding components and self-adhesive polymer-modified bitumen waterproof membrane at the reinforced concrete joint of the parapet wall, a double waterproof structure is formed, which solves the problems of construction errors and climate influence, and improves the waterproof effect and service life.
Patent Information
- Application Number
- CN202422942271.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-30
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2034-11-30
AI Technical Summary
In existing technologies, the waterproofing structure at the reinforced concrete joint of the parapet wall has potential waterproofing hazards due to construction errors and climate influences. The building sealant has a short lifespan, affecting the overall aesthetics and waterproofing effect.
Stainless steel waterproof folding components and self-adhesive polymer-modified bitumen waterproof membrane are used to form a double waterproof structure, which enhances the waterproof effect and prevents construction errors and the impact of climate.
It effectively prevents construction errors and the impact of climate, improves the overall waterproofing effect of the parapet wall eaves gutter, and extends the service life of the waterproof structure.
Smart Images

Figure CN223675701U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of building construction, concretely relates to a waterproof structure for the female wall steel concrete joint. BACKGROUND
[0002] In the prior art, the connecting joint between the steel structure roof eaves gutter and the concrete (masonry) female wall is usually arranged at the bottom surface position of the female wall lower chord mouth and is fixed and sealed by a bolt and a building sealant to achieve waterproofing. However, this structure has the following disadvantages: (1) the roof eaves gutter is made of stainless steel, which has good overall linearity, but the verticality, linearity and flatness of the concrete (masonry) female wall body basically have construction errors, so the gap at the connecting joint will have different widths, which will affect the overall appearance; (2) the sealing is performed by the building sealant, and the service life of the building sealant is generally 5 to 10 years in outdoor environments, but in extremely hot summer or in regions with high air humidity throughout the year, the outdoor environment will greatly reduce the service life of the building sealant, and the building sealant will be greatly damaged in 2 years, affecting the overall waterproofing.
[0003] Therefore, it is necessary to improve the existing waterproof structure of the female wall steel concrete joint to avoid the above problems. CONTENT OF THE UTILITY MODEL
[0004] Therefore, the utility model aims to provide a waterproof structure for the female wall steel concrete joint, which can effectively prevent construction errors and waterproofing problems caused by climate by adding a stainless steel waterproof folding piece and a self-adhesive polymer modified asphalt waterproof roll and the like, so that the double waterproof structure improves the overall waterproof effect of the roof female wall eaves gutter.
[0005] The utility model provides a waterproof structure for the female wall steel concrete joint, which comprises a female wall lower chord mouth arranged close to a stainless steel eaves gutter, the joint between the stainless steel eaves gutter and the female wall is arranged at the bottom surface of the female wall lower chord mouth, the outer surface of the female wall lower chord mouth is provided with a first waterproof structure for waterproofing the joint between the stainless steel eaves gutter and the female wall, and the outer side of the first waterproof structure is provided with a second waterproof structure for waterproofing the area from the female wall coping to the female wall lower chord mouth.
[0006] Further, the first waterproof structure is a stainless steel folding piece in an "L" shape, the top surface of the stainless steel folding piece is fixedly connected to the upper surface of the female wall lower chord mouth, the side surface of the stainless steel folding piece is arranged in abutment with the side wall of the female wall lower chord mouth, and the side surface bottom of the stainless steel folding piece is provided with a water guide part.
[0007] Further, the water guide part is formed by the side bottom of the stainless steel folding part extending downward in a direction away from the parapet.
[0008] Further, the highest position of the water guide part is arranged lower than the bottom surface position of the parapet lower chord in the vertical direction.
[0009] Further, the upper end of the second waterproof structure extends to the parapet upper chord reentrant corner formed by the parapet coping, and the lower end of the second waterproof structure extends to the bottom of the water guide part of the first waterproof structure.
[0010] Further, the second waterproof structure is a self-adhesive polymer modified asphalt waterproof roll.
[0011] The waterproof structure for the parapet concrete joint of the utility model has the advantages that the waterproof structure for the parapet concrete joint of the utility model can effectively prevent the waterproof hidden danger caused by construction error and climate influence by adding the stainless steel waterproof folding part and the self-adhesive polymer modified asphalt waterproof roll, and the double waterproof structure improves the overall waterproof effect of the parapet gutter of the roof. BRIEF DESCRIPTION OF DRAWINGS
[0012] The utility model will be further described in connection with the drawings and embodiments:
[0013] Figure 1 is the connecting structure schematic view of the waterproof structure for the parapet concrete joint in the utility model;
[0014] Mark for explaining: 1- building sealant and stainless steel bolt; 2- parapet; 3- first waterproof structure; 4- second waterproof structure; 5- stainless steel gutter; 6- parapet lower chord; 7- parapet coping. DETAILED DESCRIPTION
[0015] As shown in the figure, the waterproof structure for the parapet concrete joint provided by the utility model comprises a parapet lower chord 6 arranged close to a stainless steel gutter 5, the joint between the stainless steel gutter 5 and the parapet 2 is arranged at the bottom surface of the parapet lower chord 6, the outer surface of the parapet lower chord 6 is provided with a first waterproof structure 3 for waterproofing the joint between the stainless steel gutter 5 and the parapet 2, and the outer side of the first waterproof structure 3 is provided with a second waterproof structure 4 for waterproofing the area from the parapet coping 7 to the parapet lower chord 6; the waterproof structure for the parapet concrete joint of the utility model can effectively prevent the waterproof hidden danger caused by construction error and climate influence by adding the stainless steel waterproof folding part and the self-adhesive polymer modified asphalt waterproof roll, and the double waterproof structure improves the overall waterproof effect of the parapet gutter of the roof.
[0016] In the embodiment, the first waterproof structure 3 is a stainless steel fold piece in an "L" type structure, the top surface of the stainless steel fold piece is fixedly connected with the upper surface of the lower chord of the parapet 6, and the side surface of the stainless steel fold piece is arranged in abutment with the side wall of the lower chord of the parapet 6. Figure 1 As shown in the figure, the upper part of the stainless steel fold piece is fixedly connected with the upper surface of the lower chord of the parapet 6 through the building sealant and the stainless steel nails 1, and the side surface of the stainless steel fold piece is arranged in abutment with the side wall of the lower chord of the parapet 6 and is also coated with the building sealant inside, so as to strengthen the connection tightness of the two.
[0017] In the embodiment, the side surface bottom of the stainless steel fold piece is provided with a water guide part, the water guide part is formed by the side surface bottom of the stainless steel fold piece extending downward in a direction away from the parapet, and the highest position of the water guide part is arranged lower than the bottom surface position of the lower chord of the parapet 6 in the vertical direction. Figure 1 As shown in the figure, the side surface bottom of the stainless steel fold piece is provided with a water guide part, the water guide part is formed by the side surface bottom of the stainless steel fold piece extending downward in a direction away from the parapet, and the highest position of the water guide part is arranged lower than the bottom surface position of the lower chord of the parapet 6 in the vertical direction.
[0018] In the embodiment, the upper end of the second waterproof structure 4 extends to the inside corner of the upper chord of the parapet formed by the parapet coping 7, and the lower end of the second waterproof structure 4 extends to the bottom of the water guide part of the first waterproof structure 3; wherein the second waterproof structure 4 is a self-adhesive polymer modified bitumen waterproof roll material, which has the following advantages: (1) excellent adhesion ensures the continuity and sealing of the roll material lap joint; (2) the construction quality is easy to ensure, and can meet the higher waterproof requirements; (3) resistant to high and low temperature, anti-aging, long service life; (4) the construction process is perfect, simple, and has strong operability and low labor intensity, so it can be seen that the self-adhesive polymer modified bitumen waterproof roll material has very excellent performance, and can easily meet the performance requirements of the scheme; in addition, the self-adhesive polymer modified bitumen waterproof roll material is additionally provided from the inside corner of the parapet coping 7 to the bottom of the stainless steel fold piece, so as to ensure the waterproof performance of the whole parapet wall surface, and the double waterproof structure of the first waterproof structure 3 improves the overall waterproof effect of the roof parapet gutter.
[0019] Finally, it should be pointed out that the above embodiments are only used to illustrate the technical solutions of the utility model and are not limited, although the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the utility model can be modified or replaced equivalently without departing from the purpose and scope of the technical solutions of the utility model, and all of them should be covered in the scope of the claims of the utility model.
Claims
1. A waterproofing construction for a parapet wall concrete joint, characterised in that: The parapet lower chord mouth is arranged close to a stainless steel gutter, the stainless steel gutter is arranged at the bottom surface of the parapet lower chord mouth at the joint of the stainless steel gutter and the parapet, the outer surface of the parapet lower chord mouth is provided with a first waterproof structure for waterproofing the joint of the stainless steel gutter and the parapet, and the outer side of the first waterproof structure is provided with a second waterproof structure for waterproofing the area from the parapet coping to the parapet lower chord mouth. The first waterproof structure is a stainless steel folding piece in an L-shaped structure, the top surface of the stainless steel folding piece is fixedly connected with the upper surface of the parapet lower chord mouth, the side surface of the stainless steel folding piece is arranged in abutment with the side wall of the parapet lower chord mouth, and the side surface bottom of the stainless steel folding piece is provided with a water guide part. The upper end of the second waterproof structure extends to the parapet upper chord mouth reentrant corner formed by the parapet coping, and the lower end of the second waterproof structure extends to the bottom of the water guide part of the first waterproof structure. The second waterproof structure is a self-adhesive polymer modified bitumen waterproof coiled material.
2. A waterproof construction for a parapet wall concrete joint according to claim 1, wherein: The water guide part is formed by the side surface bottom of the stainless steel folding piece extending downward in a direction away from the parapet.
3. A waterproof construction for a parapet wall concrete joint according to claim 1, wherein: The highest position of the water guide part is arranged lower than the bottom surface position of the parapet lower chord mouth in the vertical direction.