Basement bottom plate hidden drainage structure and construction method thereof
By arranging drainage branch pipes and main pipes on the basement floor, combined with PVC pipes and protective layers, the leakage problem of the basement floor caused by high water pressure and large water level changes was solved, the leaked water was effectively discharged and cracking was prevented, and the construction efficiency and waterproofing effect were improved.
Patent Information
- Application Number
- CN202511116845.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-08-11
- Publication Date
- 2025-09-16
AI Technical Summary
The basement floor will crack and leak due to high water pressure and large water level changes. It is difficult to find and repair the leakage points in the future, which affects the use and causes economic losses.
Drainage branch pipes and drainage main pipes are arranged on the basement floor. The leaked water is introduced into the collection well through the permeable holes and discharged underground. PVC pipes and protective layers are used to prevent the accumulation of leaked water. Rice stone seepage layers and geotextile layers are used for protection to form a hidden drainage structure for the basement floor.
Effectively prevent water accumulation in basement slabs due to leakage, avoid cracking and leakage caused by changes in water pressure and water level, improve installation efficiency, and reduce maintenance difficulties and economic losses.
Smart Images

Figure CN120649550A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of basement floor drainage, in particular to a basement floor concealed drainage structure and a construction method thereof. Background Art
[0002] In modern construction, as people explore and utilize space, underground projects are becoming deeper and deeper, and basement floor leakage has become a major problem. Due to the deep basement depth, high water pressure, and volatile water levels, as the structure settles and deforms, cracks and leaks in the basement floor occur. Furthermore, because basements are often covered with floor coverings during later use, locating and repairing leaks is extremely time-consuming and difficult, resulting in financial losses and disrupting the basement's usability.
[0003] Therefore, how to prevent the basement floor from cracking and leaking in the later stage is a technical problem that needs to be solved urgently. Summary of the Invention
[0004] In response to the deficiencies in the above-mentioned background technology, the present invention proposes a basement floor concealed drainage structure and a construction method thereof to solve the problem of cracking and leakage of the basement floor due to high water pressure and large water level changes.
[0005] The technical solution of the present invention is implemented as follows: a basement floor concealed drainage structure includes a drainage main pipe connected to the basement floor and connected to a water collection well, one end of the drainage main pipe is connected to a drainage branch pipe arranged around a leakage point, the drainage main pipe and the drainage branch pipe are both provided with a water-permeable hole for underground seepage water to enter, and the outer surface of the drainage main pipe and the drainage branch pipe is wrapped with a protective layer. The present application uses the drainage branch pipes arranged around the leakage point to discharge underground seepage water on the basement floor into the underground seepage water, and the underground seepage water enters the drainage branch pipe or the drainage main pipe along the water-permeable hole and is discharged into the water collection well, thereby preventing the accumulation of seepage water on the basement floor, thereby avoiding the situation where the basement floor cracks and leaks in the later period due to the high water pressure and large water level changes caused by the accumulation of seepage water on the basement floor, and solving the problem of the basement floor cracking and leaking in the later period due to the high water pressure and large water level changes.
[0006] Preferably, the drainage main pipe and the drainage branch pipe have the same structure. The purpose of having the same structure of the drainage main pipe and the drainage branch pipe is to facilitate the unified purchase and installation of the drainage main pipe and the drainage branch pipe, which is conducive to improving installation efficiency.
[0007] Preferably, a plurality of drainage branch pipes are provided along the radial direction of the drainage main pipe. The purpose of providing a plurality of drainage branch pipes along the radial direction of the drainage main pipe is to increase the drainage range of the drainage branch pipes and improve the drainage effect of the drainage branch pipes.
[0008] Preferably, the main drainage pipe and branch drainage pipe are each composed of several semicircular PVC pipes, with adjacent semicircular PVC pipes connected by a limiting structure. This application utilizes a main drainage pipe and branch drainage pipe composed of several semicircular PVC pipes, as PVC pipes have good tensile and compressive strength and low fluid resistance. The main drainage pipe or branch drainage pipe of this application is formed by combining several semicircular PVC pipes and connecting them by a limiting structure.
[0009] Preferably, the retaining structure includes a first pipe clamp having an arcuate portion in the middle and fixed portions at both ends, the arcuate portion and the fixed portion being integrally connected. The arcuate portion is adapted to fit the semicircular PVC pipe, and the fixed portions at both ends of the first pipe clamp are connected to the basement floor via screws. The first pipe clamp is configured to positionally connect two adjacent semicircular PVC pipes to form a drainage main pipe or drainage branch pipe.
[0010] Preferably, the water holes are all provided at the bottom of the semicircular PVC pipe, and the bottom of the semicircular PVC pipe is in contact with the top surface of the basement floor. The water holes are provided at the bottom of the semicircular PVC pipe to facilitate water leakage from the basement floor to enter the semicircular PVC pipe along the water holes, thereby facilitating the drainage of the leaked water.
[0011] Preferably, the protective layer comprises a rice stone seepage layer, the rice stone seepage layer is wrapped around the outside of the semicircular PVC pipe, the outside of the rice stone seepage layer is wrapped with a geotextile layer, the outside of the geotextile layer is provided with a second pipe clamp, the center of the second pipe clamp is an arc portion, two ends are fixed portions, the arc portion is connected as one with the fixed portion, the arc portion is adapted to the geotextile layer, and the fixed portions at the second pipe clamp two ends are connected with the basement floor by screws respectively. The setting of the rice stone seepage layer is in order to protect the semicircular PVC pipe and disperse the extrusion force of the external world. The rice stone seepage layer utilizes geotextile to wrap rice stone in the interior and is formed, wherein rice stone is a crushed stone material with a smaller particle size, and particle size is similar to mung bean, is mainly used in scenes such as ground paving, cushion construction and building foundation treatment, and the rice stone particle size is generally 0.3-0.5mm. The setting of the geotextile layer is in order to wrap rice stone and form the rice stone seepage layer, realizes the purpose that rice stone is wrapped around the outside of the semicircular PVC pipe.
[0012] Preferably, the thickness of the rice stone seepage layer is 10mm-20mm; the geotextile layer is composed of a degradable, permeable geotextile. The thickness of the rice stone seepage layer is 10mm-20mm to ensure that the rice stone seepage layer can withstand pressure and improve its protective performance against the semicircular PVC pipe. The preferred thickness of the rice stone seepage layer is 20mm. The geotextile layer is composed of a degradable, permeable geotextile. On the one hand, this facilitates water permeability, facilitates drainage of leaked water, and prevents water accumulation outside the geotextile layer. On the other hand, the geotextile layer is degradable, avoiding pollution.
[0013] A construction method of the above-mentioned basement floor concealed drainage structure specifically includes the following steps: Step 1: Design drainage routes based on the water seepage location; Step 2: Arrange the drainage main pipe and drainage branch pipe on the basement floor according to the planned drainage route, and fix the drainage main pipe and drainage branch pipe to the basement floor through the first pipe clamp; Step 3: Lay rice stones along the outside of the drainage main pipe and drainage branch pipe; Step 4: Wrap the geotextile along the outside of the rice stone, use the geotextile to wrap the rice stone inside to form the rice stone seepage layer, and then use the second pipe clamp to fix the geotextile on the basement floor to form the geotextile layer; Step 5: Then construct a decorative layer on the outside of the basement floor concealed drainage structure.
[0014] Preferably, the water seepage positions in step one include the settlement post-casting strip position, the temperature post-casting strip position, the basement outer wall position and the basement floor construction joint position.
[0015] Beneficial effects of the present invention: The present application arranges drainage branch pipes around the leakage point, and utilizes the drainage branch pipes and drainage main pipes arranged around the leakage point to discharge underground seepage water on the basement floor into the underground seepage water. The underground seepage water enters the drainage branch pipes or the drainage main pipe along the permeable holes and is discharged into the collection well, preventing the accumulation of leakage water on the basement floor, and also avoiding the situation where the basement floor will crack and leak in the later stage due to the accumulation of leakage water on the basement floor, resulting in high water pressure and large water level changes. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] In order to more clearly illustrate the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.
[0017] Figure 1This is a schematic diagram of the basement floor concealed drainage structure of the present invention.
[0018] Figure 2 It is a cross-sectional view of the drainage branch pipe of the present invention.
[0019] In the figure: 1 drainage main pipe, 2 drainage branch pipe, 3 water permeable hole, 4 first pipe clamp, 5 basement floor, 6 water collection well, 7-meter stone seepage layer, 8 geotextile layer, 9 second pipe clamp, 10 decorative layer. DETAILED DESCRIPTION
[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without creative work are within the scope of protection of the present invention.
[0021] Example 1, a basement floor concealed drainage structure, such as Figure 1 As shown, it includes a drainage main pipe 1 connected to the basement floor 5 and connected to the water collection well 6, one end of the drainage main pipe 1 is connected to a drainage branch pipe 2 arranged around the leakage point, and the drainage main pipe 1 and the drainage branch pipe 2 are both provided with a water-permeable hole 3 for underground leakage water to enter, and the outer wrapping of the drainage main pipe 1 and the drainage branch pipe 2 is provided with a protective layer. The present application arranges the drainage branch pipe 2 around the leakage point, and utilizes the drainage branch pipe 2 and the drainage main pipe 1 arranged around the leakage point to discharge the underground leakage water on the basement floor into the underground leakage water. The underground leakage water enters the drainage branch pipe 2 or the drainage main pipe 1 along the water-permeable hole 3 and is discharged into the water collection well 6, thereby preventing the accumulation of leakage water on the basement floor, thus avoiding the situation where the water pressure and water level change caused by the accumulation of leakage water on the basement floor are large, and the basement floor cracks and leaks in the later period, thereby solving the problem that the basement floor cracks and leaks in the later period due to the high water pressure and water level change.
[0022] Example 2, based on Example 1, a basement floor concealed drainage structure, such as Figure 1 and Figure 2 As shown, the drainage main pipe 1 and the drainage branch pipe 2 have the same structure. The purpose of having the drainage main pipe 1 and the drainage branch pipe 2 having the same structure is to facilitate the unified purchase and installation of the drainage main pipe 1 and the drainage branch pipe 2, which is conducive to improving installation efficiency.
[0023] Example 3, based on Example 2, a basement floor concealed drainage structure, such as Figure 1 and Figure 2As shown, a plurality of drainage branch pipes 2 are provided along the radial direction of the drainage main pipe 1. The purpose of providing a plurality of drainage branch pipes 2 along the radial direction of the drainage main pipe 1 is to provide multiple drainage branch pipes 2, thereby increasing the drainage range of the drainage branch pipes 2 and improving the drainage effect of the drainage branch pipes 2.
[0024] Example 4, based on Example 3, a basement floor concealed drainage structure, such as Figure 1 and Figure 2 As shown, the main drainage pipe 1 and branch drainage pipe 2 are each composed of several semicircular PVC pipes, with adjacent semicircular PVC pipes connected by a limiting structure. This application utilizes the main drainage pipe 1 and branch drainage pipe 2 composed of several semicircular PVC pipes, as PVC pipes have good tensile and compressive strength and low fluid resistance. The main drainage pipe 1 or branch drainage pipe 2 of this application is formed by combining several semicircular PVC pipes and connecting them by a limiting structure.
[0025] Example 5, based on Example 4, a basement floor concealed drainage structure, such as Figure 2 As shown, the retaining structure includes a first pipe clamp 4 having an arc-shaped portion in the middle and fixed portions at both ends. The arc-shaped portion and the fixed portions are integrally connected. The arc-shaped portion is adapted to fit the semicircular PVC pipe. The fixed portions at both ends of the first pipe clamp 4 are connected to the basement floor 5 via screws. The first pipe clamp 4 is provided to limit the connection between two adjacent semicircular PVC pipes to form a drainage main pipe 1 or drainage branch pipe 2.
[0026] Example 6, based on Example 5, a basement floor concealed drainage structure, such as Figure 2 As shown, the water holes 3 are all provided at the bottom of the semicircular PVC pipe, and the bottom of the semicircular PVC pipe is in contact with the top surface of the basement floor 5. The water holes 3 are provided at the bottom of the semicircular PVC pipe to facilitate water leakage from the basement floor to enter the semicircular PVC pipe along the water holes 3, thereby facilitating the drainage of the leaked water.
[0027] Example 7, based on Example 6, a basement floor concealed drainage structure, such as Figure 2As shown, the protective layer includes a rice stone seepage layer 7, which is wrapped around the outside of the semicircular PVC pipe. The outside of the rice stone seepage layer 7 is wrapped with a geotextile layer 8. The outside of the geotextile layer 8 is provided with a second pipe clamp 9. The middle of the second pipe clamp 9 is an arcuate portion and the two ends are fixed portions. The arcuate portion is integrally connected with the fixed portion. The arcuate portion is adapted to the geotextile layer 8. The fixed portions at the two ends of the second pipe clamp 9 are respectively connected to the basement floor 5 by screws. The setting of the rice stone seepage layer 7 is to protect the semicircular PVC pipe and disperse the extrusion force of the outside world. The rice stone seepage layer 7 is formed by utilizing geotextile to wrap rice stone inside. Wherein rice stone is a crushed stone material with a smaller particle size. The particle size is similar to that of mung beans. It is mainly used in scenes such as ground paving, cushion construction and building foundation treatment. The rice stone particle size is generally 0.3-0.5mm. The setting of the geotextile layer 8 is to wrap rice stone to form the rice stone seepage layer 7, so as to achieve the purpose of rice stone being wrapped around the outside of the semicircular PVC pipe. In addition, the geotextile layer 8 and the rice stone seepage layer 7 also have the function of filtering the leaked water.
[0028] Example 8, based on Example 7, a basement floor concealed drainage structure, such as Figure 2 As shown, the thickness of the geotextile layer 7 is 10 mm to 20 mm; the geotextile layer 8 is composed of a degradable, permeable geotextile. The thickness of the geotextile layer 7 is 10 mm to 20 mm to ensure that the geotextile layer 7 can withstand pressure and improve its protective performance against the semicircular PVC pipe. A preferred thickness of the geotextile layer is 20 mm. The geotextile layer 8 is composed of a degradable, permeable geotextile. This facilitates water permeability, facilitating the drainage of leaked water and preventing water accumulation outside the geotextile layer 8. Furthermore, the geotextile layer 8 is degradable, preventing pollution.
[0029] When implementing Example 8, several semicircular PVC tubes with a diameter of 32mm-65mm and a wall thickness of 2.2mm were used to make drainage main pipes 1 and drainage branch pipes 2. The bottom of each semicircular PVC tube was provided with a water hole 3. Two adjacent semicircular PVC tubes were fixed to the basement floor 5 by a first pipe clamp 4. The drainage branch pipes 2 were distributed around the leakage point. The first pipe clamp 4 was arranged at a spacing of 2 meters. The water hole 3 was aligned with the top surface of the basement floor 5. Then, the first pipe clamp 4 was fixed to the basement floor 5 by a dovetail screw with a diameter of 4.8mm and a length of 50mm. The drainage branch pipes 2 were all connected to the drainage main pipe. 1 is connected, the drainage main pipe 1 is connected with the water collection well 6, how to wrap the rice stone seepage layer 7 and the geotextile layer 8 in sequence on the outside of the semicircular PVC pipe, and then use the second pipe clamp 9 to fix the geotextile layer 8, the basement floor concealed drainage structure of the present application can be completed; when there is water leakage on the basement floor 5, the leakage water will penetrate the geotextile layer 8, and the leakage water after back filtration of the geotextile layer 8 will flow into the rice stone seepage layer 7, and finally enter the drainage main pipe 1 or the drainage branch pipe 2 along the permeable hole 3, and finally reach the water collection well 6 along the drainage main pipe 1, and then be discharged by the water collection pit water pump, completing the external discharge of the leakage water, and avoiding the accumulation of leakage water.
[0030] Example 9, based on any one of Examples 1 to 8, a construction method of the above-mentioned basement floor concealed drainage structure, such as Figure 1 and Figure 2 As shown, the method specifically includes the following steps: Step 1: Design a drainage route for the seepage location; Step 2: Arrange the drainage main pipe 1 and drainage branch pipe 2 on the basement floor 5 according to the planned drainage route, and secure the drainage main pipe 1 and drainage branch pipe 2 to the basement floor 5 using a first pipe clamp 4; Step 3: Lay rock along the outside of the drainage main pipe 1 and drainage branch pipe 2; Step 4: Wrap geotextile around the outside of the rock, use the geotextile to wrap the rock inside to form the rock seepage layer 7, and then secure the geotextile to the basement floor 5 using a second pipe clamp 9 to form the geotextile layer 8. Step 5: Then, construct a decorative layer 10 on the outside of the basement floor concealed drainage structure.
[0031] Example 10, based on Example 9, a construction method of the above-mentioned basement floor concealed drainage structure, such as Figure 1 As shown, the water seepage locations in step 1 include the settlement post-casting strips, the temperature post-casting strips, the basement exterior walls, and the basement floor construction joints. By laying the basement floor concealed drainage structure of the present application at the settlement post-casting strips, the temperature post-casting strips, the basement exterior walls, and the basement floor construction joints where water seepage is likely to occur, these locations are prevented from water seepage accumulation, thereby greatly improving the ability to prevent water seepage in the basement.
[0032] When Example 10 is implemented: Step 1: Design drainage routes based on the seepage locations. The design of drainage routes should be based on the actual project conditions. Key locations include settlement post-casting zones, temperature post-casting zones, basement exterior walls, and construction joints near weak points. The drainage point coverage radius should not exceed 30 meters.
[0033] Step 2: Arrange the main drainage pipe 1 and branch drainage pipe 2 on the basement floor 5 according to the planned drainage route and secure them to the basement floor 5 using first pipe clamps 4. Specifically, arrange the main drainage pipe 1 and branch drainage pipe 2 according to the planned drainage route. Both pipes should be semicircular PVC pipes with a diameter of 32mm-65mm and a wall thickness of 2.2mm. Drain holes 3 should be provided in the base of the semicircular PVC pipe, with adjacent holes spaced 100mm apart to ensure effective drainage. Secure the PVC pipes with first pipe clamps 4, secured with 4.8mm diameter and 50mm length dovetail screws. Each clamp should be spaced every two meters.
[0034] Step 3: Lay rice stones along the outside of the drainage main pipe 1 and the drainage branch pipe 2; lay permeable rice stones along the PVC pipe. Each side of the rice stones is 30-50mm wider than the PVC pipe and 10-20mm higher than the top of the PVC pipe. The permeable rice stones are graded 5-10mm.
[0035] Step 4: Wrap geotextile around the outside of the rice stone, enveloping the rice stone with the geotextile to form the rice stone seepage layer 7. Then, secure the geotextile to the basement floor 5 with second clamps 9 to form the geotextile layer 8. Wrap the geotextile around the PVC pipe, enveloping the rice stone, tightly against the rice stone. Secure the geotextile with clamps, and secure the second clamps 9 with 4.8 mm diameter and 50 mm length dovetail screws. Use a degradable and permeable geotextile. Place second clamps 9 every 2 meters.
[0036] Step 5: Then construct a decorative layer 10 on the outside of the basement floor dark drainage structure. Then lay the construction decorative layer 10 on top of the basement floor dark drainage structure according to the design.
[0037] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.
Claims
1. A basement floor concealed drainage structure, characterized in that: The invention comprises a drainage main pipe (1) connected to a basement floor (5) and connected to a water collection well (6); one end of the drainage main pipe (1) is connected to a drainage branch pipe (2) arranged around a leakage point; the drainage main pipe (1) and the drainage branch pipe (2) are both provided with water-permeable holes (3) for underground leakage water to enter; and the outer covering of the drainage main pipe (1) and the drainage branch pipe (2) is provided with a protective layer.
2. The basement floor concealed drainage structure according to claim 1, characterized in that: The main drainage pipe (1) and the branch drainage pipe (2) have the same structure.
3. The basement floor concealed drainage structure according to claim 2, characterized in that: A plurality of drainage branch pipes (2) are arranged along the radial direction of the drainage main pipe (1).
4. The basement floor concealed drainage structure according to claim 3, characterized in that: The main drainage pipe (1) and the branch drainage pipe (2) are both composed of a plurality of semicircular PVC pipes, and two adjacent semicircular PVC pipes are connected via a limiting structure.
5. The basement floor concealed drainage structure according to claim 4, characterized in that: The limiting structure comprises a first pipe clamp (4), the middle of the first pipe clamp (4) is an arc-shaped portion, and both ends are fixed portions, the arc-shaped portion and the fixed portion are integrally connected, the arc-shaped portion is adapted to the semicircular PVC pipe, and the fixed portions at both ends of the first pipe clamp (4) are respectively connected to the basement floor (5) by screws.
6. The basement floor concealed drainage structure according to claim 5, characterized in that: The water-permeable holes (3) are all arranged at the bottom of the semicircular PVC pipe, and the bottom of the semicircular PVC pipe is in contact with the top surface of the basement floor (5).
7. The basement floor concealed drainage structure according to claim 6, characterized in that: The protective layer comprises a rice stone seepage layer (7), the rice stone seepage layer (7) is wrapped around the outside of a semicircular PVC pipe, the outside of the rice stone seepage layer (7) is wrapped with a geotextile layer (8), the outside of the geotextile layer (8) is provided with a second pipe clamp (9), the middle of the second pipe clamp (9) is an arc-shaped portion, and both ends are fixed portions, the arc-shaped portion and the fixed portion are integrally connected, the arc-shaped portion is adapted to the geotextile layer (8), and the fixed portions at both ends of the second pipe clamp (9) are respectively connected to the basement floor (5) by screws.
8. The basement floor concealed drainage structure according to claim 7, characterized in that: The thickness of the rice stone seepage layer (7) is 10-20 mm; the geotextile layer (8) is composed of degradable and permeable geotextile.
9. A construction method for the basement floor concealed drainage structure according to any one of claims 1 to 8, characterized in that: The specific steps include: Step 1: Design drainage routes based on the water seepage location; Step 2: Arrange the drainage main pipe (1) and the drainage branch pipe (2) on the basement floor (5) according to the planned drainage route, and fix the drainage main pipe (1) and the drainage branch pipe (2) on the basement floor (5) through the first pipe clamp (4); Step 3: Lay rice stones along the outside of the drainage main pipe (1) and the drainage branch pipe (2); Step 4: Wrap the geotextile along the outside of the rice stone, use the geotextile to wrap the rice stone inside to form the rice stone seepage layer (7), and then use the second pipe clamp (9) to fix the geotextile on the basement floor (5) to form the geotextile layer (8); Step 5: Then construct a decorative layer (10) on the outside of the basement floor concealed drainage structure.
10. The construction method according to claim 9, characterized in that: The water seepage locations in step one include the settlement post-casting joint location, the temperature post-casting joint location, the basement exterior wall location, and the basement floor construction joint location.