Directional drainage and drainage structure for roof bottom plate leakage maintenance

By designing a multi-layered waterproofing system consisting of an M-shaped steel channel and a supporting frame on the roof slab, the problem of roof slab leakage was solved, enabling directional drainage of water and structural reinforcement, thereby improving the stability and service life of the building.

CN223813825UActive Publication Date: 2026-01-20GUANGDONG DAPENG CONSTR TECH GRP CO LTD
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Patent Information

Application Number
CN202520161363.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-23
Publication Date
2026-01-20
Estimated Expiration
2035-01-23

AI Technical Summary

Technical Problem

Existing roof slabs are prone to leakage problems after prolonged use, and traditional repair methods are either difficult to completely solve the problem or are costly.

Method used

Design a directional drainage and diversion structure for repairing roof floor leakage, including a multi-layer waterproof system consisting of an M-shaped steel channel, a gravel filter layer, a support frame, a reinforcing mesh, a waterproof coating, and a waterproof pad. Through the dual-channel design of the channel and the support of the support frame, the water is centrally discharged and the structure is reinforced.

Benefits of technology

It effectively prevents water leakage, enhances structural stability and service life, reduces maintenance costs, and ensures a dry and comfortable interior for buildings.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223813825U_ABST
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Abstract

The utility model relates to the technical field of roof bottom plate waterproofing, and discloses a roof bottom plate leakage maintenance directional drainage structure which comprises a concrete bottom plate, a supporting concrete layer is arranged on the upper layer of the concrete bottom plate, a cavity is formed in the supporting concrete layer, and a flow guide groove is fixedly formed in the cavity. The flow guide groove is an M-shaped steel groove, water permeable holes are formed in the outer wall of the flow guide groove, the upper portion of the flow guide groove is filled with a gravel water filtering layer, and a supporting frame is laid on the outer layer of the gravel water filtering layer; a reinforcing net is laid on the upper layer of the supporting concrete layer and covers the supporting frame, a flow guide groove is formed and used for discharging water permeating into the supporting concrete layer in a centralized mode, and due to the fact that the flow guide groove is an M-shaped steel groove, the number of channels used for water circulation is two in the flow guide groove; and water in the supporting concrete layer enters the diversion trench.
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Description

TECHNICAL FIELD

[0001] The utility model relates to roof bottom plate waterproof technical field, concretely is a kind of roof bottom plate leakage maintenance directional drainage drainage structure. BACKGROUND

[0002] After long time use, the existing roof bottom plate is prone to leakage problem, affect the stability and service life of building structure, the traditional maintenance method is to reprocess or clean drainage pipeline to waterproof layer, these two ways either difficult to completely solve leakage problem, or maintenance cost is higher. UTILITY MODEL CONTENTS

[0003] The utility model aims at providing a kind of roof bottom plate leakage maintenance directional drainage drainage structure to solve the problems raised in the above background.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of roof bottom plate leakage maintenance directional drainage drainage structure, including concrete bottom plate, the upper layer of the concrete bottom plate is provided with support concrete layer, the cavity is provided in the support concrete layer, and the cavity is fixedly provided with flow guide groove;

[0005] The flow guide groove is M-shaped steel groove, the outer wall of the flow guide groove is provided with water-permeable hole, the upper of the flow guide groove is filled with gravel filter layer, and the outer layer of the gravel filter layer is paved with support frame.

[0006] The upper layer of the support concrete layer is paved with reinforcing net, and the reinforcing net covers the upper of support frame.

[0007] Further, the upper of the reinforcing net is paved with concrete surface layer, and the upper of the concrete surface layer is coated with waterproof coating one.

[0008] Further, the upper layer of the waterproof coating one is paved with waterproof pad, the waterproof pad is provided with two layers, the uppermost layer is polystyrene board, and the lowermost layer is polyurethane foam layer.

[0009] Further, the bottom edge of the flow guide groove is provided with skirt, the skirt is integrally formed with the flow guide groove, and the skirt is embedded into the concrete bottom plate.

[0010] Further, the outer wall of the flow guide groove is provided with water inlet, the water inlet is close to the bottom of the flow guide groove, and the water inlet is located above the concrete bottom plate.

[0011] Further, the support frame is formed by stacking water permeable bricks, and waterproof adhesive is applied in adjacent water permeable bricks.

[0012] Further, waterproof coating two is applied at the communication between the concrete bottom plate and the flow guide groove.

[0013] Further, the front of the flow guide groove is provided with a flow collecting pipe in communication, and the flow collecting pipe is arranged at the roof edge.

[0014] Compared with the prior art, the utility model has the advantages of:

[0015] 1. The flow guide groove is used for concentrating and discharging the water infiltrated into the supporting concrete layer. Since the flow guide groove is an M-shaped steel groove, the water in the supporting concrete layer can enter the flow guide groove through two water flow channels in the flow guide groove.

[0016] 2. The cross-section structure of the flow guide groove can be regarded as two triangular structures, so the supporting strength is high and the flow guide groove is not easy to deform. When the gravel water filtering layer is laid outside the flow guide groove, the gravel in the gravel water filtering layer can be laid along the inclined surface of the flow guide groove, so the laying is simpler and the gravel is not easy to scatter. The supporting frame is used for supporting and reinforcing the water infiltration and collection structure composed of the flow guide groove and the gravel water filtering layer, so that the use of adhesive can be reduced when the gravel water filtering layer is laid, and the voids in the gravel water filtering layer are not blocked by the adhesive. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a front layered schematic view of the utility model;

[0018] Figure 2 It is a front layered schematic view of the utility model Figure 1 It is a front layered schematic view of the utility model

[0019] Figure 3 It is a front layered schematic view of the utility model

[0020] Figure 4 It is a front layered schematic view of the utility model

[0021] Figure 5 It is a front layered schematic view of the utility model

[0022] In the drawing: 1, concrete bottom plate; 2, supporting concrete layer; 3, flow guide groove; 301, water permeable hole; 302, water inlet; 303, skirt; 4, gravel water filtering layer; 5, reinforcing net; 6, concrete surface layer; 5, reinforcing net; 6, concrete surface layer; 7, waterproof coating I; 8, waterproof pad; 9, flow collecting pipe; 10, supporting frame; 11, waterproof coating II. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0024] Please refer to Figures 1-5 The utility model provides a technical scheme: a roof bottom plate leakage maintenance directional drainage and drainage structure, including concrete bottom plate 1, the upper layer of concrete bottom plate 1 is provided with support concrete layer 2, is provided with the cavity in support concrete layer 2, and the cavity is fixedly provided with flow guide groove 3,

[0025] Flow guide groove 3 is M type steel groove, and the outer wall of flow guide groove 3 is provided with water permeable hole 301, and the upper part of flow guide groove 3 is filled with gravel filter layer 4, and the outer layer of gravel filter layer 4 is paved with support frame 10, and flow guide groove 3 is used to concentrate and discharge the water that penetrates into support concrete layer 2, because flow guide groove 3 is M type steel groove, so the channel for water flow in flow guide groove 3 has two, more utilize the water in support concrete layer 2 to enter flow guide groove 3, simultaneously, the cross section structure of flow guide groove 3 can be considered as two triangle structures, so the support strength is high, and it is not easy to deform, when paving gravel filter layer 4 outside flow guide groove 3, the gravel in gravel filter layer 4 can be paved along the inclined surface on flow guide groove 3, and the paving is simpler and more difficult to scatter, and support frame 10 is used to support and reinforce the water seepage and water collection structure formed by flow guide groove 3 and gravel filter layer 4, so that the use of adhesive can be reduced when paving gravel filter layer 4, and the gap in gravel filter layer 4 cannot be blocked by adhesive;

[0026] The upper layer of support concrete layer 2 is paved with reinforcing net 5, the reinforcing net 5 covers the upper layer of support frame 10, the reinforcing net 5 is made of steel bar or other high-strength material, and is paved on the upper layer of support concrete layer 2 and is tightly combined with the concrete in support concrete layer 2, so that the overall strength and stability of support concrete layer 2 can be significantly improved, and the reinforcing effect helps to resist external load and deformation, thereby prolonging the service life of the structure;

[0027] The upper layer of reinforcing net 5 is paved with concrete surface layer 6, the upper layer of concrete surface layer 6 is coated with waterproof coating one 7, the concrete surface layer 6 serves as a direct covering layer on the reinforcing net 5 and can provide necessary protection for the reinforcing net 5 to prevent the reinforcing net 5 from being damaged due to external environmental factors (such as corrosion, weathering, etc.), the concrete surface layer 6 is tightly combined with the reinforcing net 5 to form an integral structure, which can significantly improve the bearing capacity and stability of the entire structure, the concrete surface layer 6 is processed to form a flat and smooth surface, which provides a good basis for subsequent construction (such as coating waterproof coating), and the main function of the waterproof coating one 7 is to prevent water from penetrating into the concrete structure, thereby avoiding structural damage, steel corrosion and other problems caused thereby, and the waterproof coating one 7 usually has high impermeability and can effectively resist various forms of rainwater penetration to ensure the dryness and comfort of the indoor environment of the building;

[0028] The upper layer of the waterproof coating one 7 is paved with a waterproof pad 8, the waterproof pad 8 is provided with two layers, the uppermost layer is a polystyrene board, and the lowermost layer is a polyurethane foam layer, the polystyrene board and the polyurethane foam layer have excellent waterproof performance respectively, and the combination use can form a double waterproof barrier, ensure the waterproof effect of the building, the two layers of the waterproof pad 8 are closely combined with the waterproof coating one 7 and the concrete surface layer 6 to form an integral structure, which can enhance the overall stability and carrying capacity of the building, and the combination use of the two layers of the waterproof pad 8 can further prolong the service life of the building and reduce the structural damage and maintenance cost caused by water penetration and the like;

[0029] The bottom edge of the flow guide groove 3 is provided with a skirt 303, the skirt 303 is integrally formed with the flow guide groove 3, and the skirt 303 is embedded into the concrete bottom plate 1, the skirt 303 is arranged to facilitate embedding the edge of the flow guide groove 3 into the concrete bottom plate 1, and the connection stability of the flow guide groove 3 and the concrete bottom plate 1 is strengthened;

[0030] The outer wall of the flow guide groove 3 is provided with a water inlet 302, the water inlet 302 is close to the bottom of the flow guide groove 3, and the water inlet 302 is located above the concrete bottom plate 1, the water inlet 302 is arranged to facilitate the water in the gap between the concrete bottom plate 1 and the supporting concrete layer 2 to enter the flow guide groove 3;

[0031] The supporting frame 10 is stacked by water permeable bricks, and waterproof adhesive is applied in adjacent water permeable bricks, the water permeable bricks have good water permeability, and the water permeable bricks do not hinder water from permeating into the flow guide groove 3 while supporting the flow guide groove 3 and the gravel water filtering layer 4, and the waterproof adhesive is applied in the water permeable bricks to ensure the strength of the supporting frame 10 as a whole;

[0032] The waterproof coating two 11 is applied at the communication position of the concrete bottom plate 1 and the flow guide groove 3, to avoid water from permeating into the concrete bottom plate 1 during the process of permeating into the flow guide groove 3 and then being discharged from the flow guide groove 3;

[0033] The flow guide groove 3 is provided with a flow collecting pipe 9 at the front, the flow collecting pipe 9 is arranged at the roof edge, and the flow collecting pipe 9 is arranged to collect the water discharged from the flow guide groove 3 and then discharge the water into the roof drain pipe.

[0034] Working principle: when using, when the roof bottom plate leaks, the water first penetrates into the supporting concrete layer 2, the water that penetrates into the supporting concrete layer 2 is primarily filtered through the gravel filter layer 4, and the larger impurities and particles are removed. Subsequently, the water flows into the M-shaped steel groove-shaped flow guide groove 3 along the slope of the gravel filter layer 4, since the flow guide groove 3 is designed as an M-shaped steel groove, has two internal passages, so that the water in the supporting concrete layer 2 can flow more smoothly. At the same time, the cross-sectional structure of the flow guide groove 3 is similar to two triangular structures, which provides good support strength and prevents deformation due to water flow pressure, the supporting frame 10 supports and reinforces the entire water seepage and water collection structure, ensures that the use of adhesive is reduced when the gravel filter layer 4 is laid, and avoids that the gap is blocked.

[0035] Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without making creative labor belong to the range of protection of the utility model.

Claims

1. A roof deck leak repair directed drainage structure comprising a concrete deck (1) characterized by: The upper layer of the concrete bottom plate (1) is provided with a supporting concrete layer (2), the supporting concrete layer (2) is provided with a cavity, and the cavity is fixedly provided with a flow guide groove (3); The flow guide groove (3) is an M-shaped steel groove, the outer wall of the flow guide groove (3) is provided with a water permeable hole (301), the upper part of the flow guide groove (3) is filled with a gravel water filtering layer (4), and the outer layer of the gravel water filtering layer (4) is paved with a supporting frame (10); The upper layer of the supporting concrete layer (2) is paved with a reinforcing net (5), and the reinforcing net (5) covers the upper part of the supporting frame (10).

2. A roof deck leak repair directed drainage structure according to claim 1, wherein: The upper part of the reinforcing net (5) is paved with a concrete surface layer (6), and the upper part of the concrete surface layer (6) is coated with a waterproof coating (7).

3. A roof deck leak repair directed drainage structure according to claim 2, wherein: The upper layer of the waterproof coating (7) is paved with a waterproof pad (8), the waterproof pad (8) is provided with two layers, the uppermost layer is a polystyrene plate, and the lowermost layer is a polyurethane foam layer.

4. A roof deck leak repair, positive drainage, drainage directing structure according to claim 1, wherein: The bottom edge of the flow guide groove (3) is provided with a skirt (303), the skirt (303) is integrally formed with the flow guide groove (3), and the skirt (303) is embedded into the concrete bottom plate (1).

5. A roof deck leak repair, positive drainage, drainage directing structure according to claim 1, wherein: The outer wall of the flow guide groove (3) is provided with a water inlet (302), the water inlet (302) is close to the bottom of the flow guide groove (3), and the water inlet (302) is located above the concrete bottom plate (1).

6. A roof deck leak repair, positive drainage, drainage directing structure according to claim 1, wherein: The supporting frame (10) is stacked by water permeable bricks, and waterproof adhesive is applied in adjacent water permeable bricks.

7. A roof deck leak repair, water directed drainage structure according to claim 1, wherein: The communication part between the concrete bottom plate (1) and the flow guide groove (3) is coated with a waterproof coating (11).

8. A roof deck leak repair, water directed drainage structure according to claim 1, wherein: The front of the flow guide groove (3) is communicated with a flow collecting pipe (9), and the flow collecting pipe (9) is arranged at the roof edge.