Prefabricated waterproof structure for basement group pipes
By using template slots and polysulfide sealant in the prefabricated waterproof structure of the basement pipe group, combined with waterproof membrane and coating layer, the leakage problem between the water-stop sleeve and the pipe is solved, achieving a higher waterproof effect and construction convenience.
Patent Information
- Application Number
- CN202423078067.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-13
- Publication Date
- 2026-01-20
- Estimated Expiration
- 2034-12-13
AI Technical Summary
During construction, leaks are prone to occur between water-stop sleeves and pipes, between pipes and waterproof membranes, and between reserved water-stop sleeves and walls. Once leaks occur, they are difficult to repair. Waterproofing of external walls and pipes is not easy to implement and the quality of waterproofing is difficult to control.
The basement adopts a prefabricated waterproof structure with multiple pipes. By setting template grooves and polysulfide sealant structure, combined with waterproof membrane and coating layer, a tight waterproof layer is formed, which solves the leakage problem.
It improved the waterproofing effect, solved the leakage problem, ensured a tight connection between the pipe network and the exterior wall, simplified the construction process, and improved the installation accuracy and waterproofing quality.
Smart Images

Figure CN223813820U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the construction of basements, and in particular to a prefabricated waterproof structure for basement pipe groups. Background Technology
[0002] During building construction, water-stop sleeves are often pre-embedded in the exterior wall pouring process to facilitate subsequent pipe installation. These sleeves typically consist of a pipe body and a water-stop ring. The water-stop ring is fixed to the outside of the pipe body, near its center. The pipe body allows the pipe to pass through the exterior wall and into the building's interior. To facilitate pipe installation, the pipe diameter is usually larger than that of a cable. However, leaks are common between the pre-embedded water-stop sleeve and the pipe, between the pipe and the waterproof membrane, and between the pre-installed water-stop sleeve and the wall, and these leaks are difficult to repair. Waterproofing of the exterior walls and between pipes is challenging to implement and the quality of waterproofing is difficult to control. Utility Model Content
[0003] The purpose of this invention is to overcome the shortcomings of the aforementioned background technology and provide a prefabricated waterproof structure for basement pipe clusters. This structure improves waterproofing effectiveness from the structure itself. By setting template slots, a tight connection is achieved between the external wall formwork and the prefabricated waterproof structure for the pipe clusters, preventing grout leakage. The waterproof layer of the basement external wall and the prefabricated waterproof structure for the pipe clusters extends into the template slots, and polysulfide sealant is applied to the slots to seal them, improving the external waterproofing effect and solving the leakage problem inherent in this type of structure.
[0004] This utility model provides a prefabricated waterproof structure for basement pipe clusters, including an outer wall of the basement and pipe clusters passing through the outer wall of the basement. The outer side of the pipe clusters is provided with a prefabricated waterproof component nested in the outer wall of the basement. The prefabricated waterproof component is provided with a template slot along the circumference that is connected to the outer wall surface of the basement. The template slot is provided with a polysulfide sealant structure.
[0005] In the above technical solution, each pipe in the group pipe is provided with a polysulfide sealant structure ring along the joint between the pipe and the outer side of the prefabricated waterproof component of the group pipe.
[0006] In the above technical solution, the outer side of the prefabricated waterproof component of the group pipe is provided with an additional waterproof layer for the group pipe.
[0007] In the above technical solution, the outer side of the basement exterior wall and the prefabricated waterproof components of the group pipe is provided with waterproof membrane, and the waterproof membrane is extended into the template slot.
[0008] In the above technical solution, the outer side of the waterproof membrane is provided with a waterproof coating layer, and the waterproof coating layer is thrown into the template slot.
[0009] In the above technical solution, the basement exterior wall is provided with a number of longitudinally arranged basement exterior wall steel bars, and the prefabricated waterproof component of the group pipe and the group pipe, as well as the pipes of each layer in the group pipe, are provided with a number of prefabricated waterproof structure reserved steel bars arranged horizontally, and the basement exterior wall steel bars and the prefabricated waterproof structure reserved steel bars of the group pipe are tied together.
[0010] In the above technical solution, the connection between the prefabricated waterproof component of the group pipe and the basement exterior wall is a waterproof structure with concave and convex surfaces.
[0011] In the above technical solution, both the inner and outer sides of the basement exterior wall are provided with exterior wall templates, and the exterior wall templates of the basement exterior wall are inserted into template slots.
[0012] This utility model of a prefabricated waterproof structure for basement pipe network has the following beneficial effects:
[0013] (1) This utility model adopts a prefabricated waterproof structure for basement pipe groups. The prefabricated waterproof components of the pipe groups pass through the pipe groups, and polysulfide sealant is applied between the pipe groups and the prefabricated waterproof components of the pipe groups. This solves the problem of insufficient compaction of concrete between the pipe groups and the basement exterior wall, and makes the erection of the pipe groups and the basement exterior wall formwork more convenient.
[0014] (2) The waterproof layer of the basement exterior wall and the prefabricated waterproof components of the pipe group is extended to the template groove, and polysulfide sealant is applied to the groove to seal it, which solves the problem of poor waterproof effect of the pipe group.
[0015] (3) This utility model solves the problem of the connection between the precast waterproof component and the basement exterior wall structure by roughening the concrete on the inner side of the precast waterproof component in advance to form a concave-convex surface.
[0016] (4) This utility model adopts a pre-reserved steel bar for the pre-preserved waterproof structure of the pre-preserved waterproof structure of the pre-preserved waterproof structure of the pre-preserved waterproof structure of the pre-preserved waterproof structure of the pre-preserved waterproof structure of the pre-preserved waterproof structure of the pre-preserved waterproof structure of the pre-preserved waterproof structure of the pre-preserved waterproof structure of the pre-preserved waterproof structure of the pre-preserved waterproof structure of the basement, and solves the construction problem of installation accuracy of the pre-preserved waterproof structure ...
[0017] (5) This utility model sets template slots through prefabricated waterproof components of group pipes, which can be closely connected with the prefabricated waterproof components of group pipes when erecting external wall templates, thus solving the problem of grout leakage during the pouring of group pipe structures. Attached Figure Description
[0018] Figure 1 This is a schematic diagram of the internal structure of the exterior wall of the prefabricated waterproof structure for basement pipe network of this utility model;
[0019] Figure 2 This is a structural elevation view of the exterior wall of the prefabricated waterproof structure for basement pipe network of this utility model;
[0020] Figure 3This is a longitudinal sectional view of the exterior wall of the prefabricated waterproof structure for basement pipe network of this utility model;
[0021] Figure 4 This is a longitudinal sectional view of the structure during the formwork erection of the exterior wall of the prefabricated waterproof structure for the basement pipe group of this utility model. Detailed Implementation
[0022] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments, but these embodiments should not be construed as limiting the present invention.
[0023] See Figures 1 to 4 The present invention relates to a prefabricated waterproof structure for basement pipe clusters, comprising an outer wall 1 of the basement and a pipe cluster 3 passing through the outer wall 1. The outer side of the pipe cluster 3 is provided with a prefabricated waterproof component 2 nested in the outer wall 1 of the basement. The prefabricated waterproof component 2 is provided with a template slot 6 connected to the outer wall surface of the outer wall 1 of the basement along the circumferential direction. The template slot 6 is provided with a polysulfide sealant 11 structure.
[0024] Each pipe in the group pipe 3 has a polysulfide sealant 11 structural ring at the joint with the outer side of the prefabricated waterproof component 2 of the group pipe.
[0025] The outer side of the prefabricated waterproof component 2 of the group pipe is provided with a group pipe waterproof additional layer 12.
[0026] Waterproof membrane 9 is provided on the outer side of the basement exterior wall 1 and the prefabricated waterproof component 2 of the group pipe, and the waterproof membrane 9 is extended into the template slot 6.
[0027] The outer side of the waterproof membrane 9 is provided with a waterproof coating layer 10, which is then inserted into the template slot 6.
[0028] The basement exterior wall 1 is provided with a number of longitudinally arranged basement exterior wall steel bars 4. The prefabricated waterproof component 2 and the prefabricated pipe 3, as well as the pipes in each layer of the prefabricated pipe 3, are provided with a number of horizontally arranged prefabricated waterproof structure reserved steel bars 8. The basement exterior wall steel bars 4 and the prefabricated waterproof structure reserved steel bars 8 are tied together.
[0029] The prefabricated waterproof component 2 of the group pipe is located at the connection between the inner side of the template slot 6 and the basement exterior wall 1, which is the concave-convex surface 7 of the waterproof structure.
[0030] The basement exterior wall 1 is provided with exterior wall templates 5 on both the inner and outer sides, and the exterior wall templates 5 on the outer side of the basement exterior wall 1 are inserted into template slots 6.
[0031] The steps for implementing the prefabricated waterproof structure for basement pipe groups according to this utility model are as follows:
[0032] Step 1: Tie the basement exterior wall reinforcement 4, and position the basement pipe group 3 and securely install it along with the basement exterior wall reinforcement 4.
[0033] Step 2: Fabrication of precast waterproof components 2 (combined pipes). Precast waterproof components 2 are precast reinforced concrete structures. A pre-reserved sleeve opening is provided in the middle of the precast waterproof component 2 to facilitate the passage of the sleeve. The position of the pipes 3 should be planned and positioned in advance to ensure a precise fit between the precast waterproof component 2 and the pre-reserved sleeve. The outer side of the precast waterproof component 2 is rectangular. The inner concrete of the precast waterproof component 2 is roughened in advance to form a waterproof structural uneven surface 7, facilitating a tight bond between the precast waterproof component 2 and the basement exterior wall 1 structure. Reinforcing bars 8 are pre-reserved on the inner side of the precast waterproof component 2 to facilitate binding and fixing of the precast waterproof structural reinforcing bars 8 and the basement exterior wall reinforcing bars 4, improving the installation accuracy of the precast waterproof component 2. Template slots 6 are provided on the four sides of the inner side of the precast waterproof component 2 for a tight connection between the exterior wall template 5 and the precast waterproof component 2, preventing grout leakage.
[0034] Step 3: Install the prefabricated waterproof component 2 of the group pipe. The prefabricated waterproof component 2 of the group pipe passes through the group pipe 3. Apply polysulfide sealant 11 between the group pipe 3 and the prefabricated waterproof component 2, so that the polysulfide sealant 11 overflows from the gap between the two. The prefabricated waterproof component 8 of the group pipe is reserved on the inner side and is firmly tied to the steel reinforcement 4 of the basement exterior wall.
[0035] Step 4: Assemble the basement exterior wall formwork 5. Insert the basement exterior wall formwork 5 into the formwork slots 6 on the four sides of the precast waterproof component 2. Ensure that the basement exterior wall formwork 5 and the precast waterproof component 2 are tightly connected to prevent grout leakage.
[0036] Step 5: Pour concrete for the basement exterior wall 1 in layers, vibrate to compact, and cure the side walls with formwork until the demolding strength is reached. Remove the basement exterior wall formwork 5 and continue curing until the exterior wall design strength is reached.
[0037] Step Six: Basement exterior wall 1 and prefabricated waterproof components 2 (with group pipes) undergo base treatment, cleaning loose soil and concrete impurities from the structural surface. The inside and outside corners of the prefabricated waterproof components 2 (with group pipes) are plastered to form rounded corners and then cured with water.
[0038] Step 7: Apply waterproof coating 10 and waterproof membrane 9 to the basement exterior wall 1 and then to the surface of the prefabricated waterproof component 2. The waterproof coating and waterproof membrane on the surface of the prefabricated waterproof component 2 are then extended into the template groove 6, and polysulfide sealant 11 is applied to the groove for sealing. A waterproof additional layer 12 is applied to the outside of the prefabricated waterproof component 2, and the joint between the additional waterproof layer 12 and the waterproof membrane 9 on the surface of the prefabricated waterproof component 2 is sealed by heat treatment.
[0039] Innovation points:
[0040] (1) This utility model adopts a prefabricated waterproof structure for basement pipe group. The prefabricated waterproof component 2 passes through the pipe group 3. Polysulfide sealant 11 is applied between the pipe group 3 and the prefabricated waterproof component 2, which solves the problem of insufficient compaction of concrete between the pipe group 3 and the basement exterior wall 1. The erection of the pipe group 3 and the basement exterior wall formwork 5 is also more convenient.
[0041] (2) The waterproof layer of the basement exterior wall 1 and the prefabricated waterproof component 2 of the group pipe is extended to the template groove 6, and polysulfide sealant 11 is applied to the groove to seal it, which solves the problem of poor waterproof effect of the group pipe 3.
[0042] (3) This utility model solves the problem of the connection between the precast waterproof component 2 and the basement exterior wall 1 by roughening the concrete inside the precast waterproof component 2 in advance to form a waterproof structure with concave and convex surfaces 7.
[0043] (4) This utility model adopts a pre-reserved steel bar for the pre-preserved waterproof structure of ... basement and the steel bar 4 of the basement exterior wall, which solves the construction problem of the installation accuracy of the pre-preserved waterproof structure of the pre-preserved waterproof structure of the pre-preserved waterproof structure of the pre-preserved waterproof structure of the pre-preserved waterproof structure of the pre-preserved waterproof structure of the pre-preserved waterproof structure of the pre-preserved waterproof structure of the pre-preserved waterproof structure of the pre-preserved waterproof structure of the pre-preserved waterproof structure of the pre-pre
[0044] (5) The present invention uses a prefabricated waterproof component 2 with a group pipe to set a template slot 6, which can be closely connected with the prefabricated waterproof component 2 when the external wall template 5 is erected, thus solving the problem of grout leakage during the pouring of the group pipe structure.
[0045] Obviously, those skilled in the art can make various modifications and variations to this utility model without departing from its spirit and scope. Therefore, if these modifications and variations fall within the scope of the claims of this utility model and their equivalents, this utility model also intends to include these modifications and variations.
[0046] The contents not described in detail in this specification are existing technologies known to those skilled in the art.
Claims
1. A prefabricated waterproofing structure for a basement group pipe, comprising a basement outer wall (1) and a group pipe (3) passing through the basement outer wall (1), characterized in that: The group pipe (3) is provided with a group pipe prefabricated waterproof component (2) nested in the basement outer wall (1), the group pipe prefabricated waterproof component (2) is provided with a formwork clamping groove (6) connected with the outer wall surface of the basement outer wall (1) along the circumference, and the formwork clamping groove (6) is provided with a polysulfide sealing paste (11) structure.
2. The group of basement pipe prefabricated waterproof structure according to claim 1, characterized in that: The group pipe (3) is provided with a group pipe prefabricated waterproof component (2) nested in the basement outer wall (1), the group pipe prefabricated waterproof component (2) is provided with a formwork clamping groove (6) connected with the outer wall surface of the basement outer wall (1) along the circumference, and the formwork clamping groove (6) is provided with a polysulfide sealing paste (11) structure.
3. The group of basement pipes prefabricated waterproof structure according to claim 2, characterized in that: The group pipe prefabricated waterproof component (2) is provided with a group pipe waterproof additional layer (12) on one side.
4. The group of basement pipe prefabricated waterproof structure according to claim 3, characterized in that: The basement outer wall (1) and the group pipe prefabricated waterproof component (2) are provided with a waterproof roll material (9) on the outer side, and the waterproof roll material (9) is inserted into the formwork clamping groove (6).
5. The group of basement pipes prefabricated waterproof structure according to claim 4, characterized in that: The waterproof roll material (9) is provided with a waterproof coating layer (10) on the outer side, and the waterproof coating layer (10) is inserted into the formwork clamping groove (6).
6. The group of prefabricated waterproofing structures of a basement according to claim 5, characterized in that: The basement outer wall (1) is provided with a plurality of basement outer wall steels (4) arranged along the longitudinal direction, the group pipe prefabricated waterproof component (2) and the group pipe (3) are provided with a plurality of group pipe prefabricated waterproof structure reserved steels (8) arranged along the horizontal direction between the group pipe (3), and the basement outer wall steels (4) and the group pipe prefabricated waterproof structure reserved steels (8) are tied together.
7. The group of prefabricated waterproofing structures of basements according to claim 6, characterized in that: The group pipe prefabricated waterproof component (2) is provided with a waterproof structure concave-convex surface (7) at the connection between the inner side of the formwork clamping groove (6) and the basement outer wall (1).
8. The group of basement pipes prefabricated waterproof structure according to claim 7, characterized in that: The basement outer wall (1) is provided with an outer wall formwork (5) on the inner and outer sides, and the outer wall formwork (5) of the outer wall surface of the basement outer wall (1) is inserted into the formwork clamping groove (6).