Basement outer wall inner side drainage plate and construction method thereof

By setting venting and drainage nodes on the inside of the basement exterior wall and using PVC pipes and venting holes, the problem of water vapor not being able to escape from the drainage board was solved, thus achieving dryness and improved durability of the exterior wall.

CN118793182BActive Publication Date: 2025-11-07CHINA MCC5 GROUP CORP LTD
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Patent Information

Application Number
CN202410846400.8
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-06-27
Publication Date
2025-11-07
Estimated Expiration
2044-06-27

AI Technical Summary

Technical Problem

Existing technologies often fail to effectively remove moisture from basement drainage boards, leading to problems such as dampness and peeling of the lower exterior wall finishes and reduced durability of concrete structures.

Method used

PVC pipes are used to make venting and drainage nodes, which are connected to the drainage corrugated pipes through venting holes to form a drainage and venting system. This system removes water vapor and water flow from the drainage board cavity, ensuring that the exterior wall remains dry.

Benefits of technology

It effectively eliminates water leakage from the basement exterior walls, keeps the exterior wall structure dry, saves on leak sealing costs, and improves structural durability and user experience.

✦ Generated by Eureka AI based on patent content.

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Abstract

The basement outer wall inner side drainage plate disclosed by the application comprises a drainage plate body, a steam exhaust node arranged at the top of the drainage plate body, and a drainage node arranged at the lower part of the drainage plate body; a plurality of steam exhaust holes are arranged at intervals on the steam exhaust node; and the drainage node and a drainage ditch are connected through a drainage corrugated pipe. The basement outer wall inner side drainage plate is specially applicable to the lower part drainage and upper part steam exhaust node. In the lower part, a PVC pipe buried in the floor building layer is used to collect the seepage water, and a corrugated soft pipe buried in the floor building layer is used to drain the water into the basement drainage ditch system. In the upper part, a PVC pipe is used to close the drainage plate, steam exhaust holes are opened on the PVC pipe, the drainage plate cavity is communicated with the external air, the humid water vapor in the drainage plate cavity is taken out, and the wall body with large area impermeable to water can be kept dry.
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Description

TECHNICAL FIELD

[0001] The present application belongs to the field of building engineering construction, and particularly relates to a basement outer wall inner side drainage plate and a construction method thereof. BACKGROUND

[0002] Due to the structure and purpose of the basement, the inner and outer walls connected together must be poured together, and the outer wall is self-waterproof concrete, all of which adopt secondary vibration technology. The specific construction technology and operation method are described in detail in the relevant chapter content of the basement construction scheme. The complexity of water. The common waterproof construction scheme is as follows:

[0003] Scheme one, outer defense outer pasting method construction: outer defense outer pasting waterproof method, that is, laying a coiled material waterproof layer on the bottom plate cushion layer, and then directly laying the vertical coiled material (waterproof layer) on the outer wall surface of the enclosure structure after the completion of the wall construction, and then taking protective measures for the basement waterproof construction method. The advantage of this basement waterproof construction scheme is that with the passage of time, the concrete of the enclosure structure wall will gradually dry, which can effectively prevent indoor dampness, but when the foundation pit adopts large excavation and sheet pile support, measures need to be taken to solve the problem of horizontal support part affecting the basement leakage prevention.

[0004] Scheme two, outer defense inner pasting method construction: the outer defense inner pasting method is to completely build the permanent protection wall on the bottom plate cushion layer first, and then lay the coiled material (waterproof layer) on the permanent protection wall and the bottom plate cushion layer, and then pour the concrete of the enclosure structure after the completion of the basement waterproof layer. This basement waterproof construction scheme is a kind of basement leakage prevention construction method which is adopted under the condition that the construction environment is limited and it is difficult to implement the outer defense outer pasting method.

[0005] Scheme three, off-wall lining waterproof construction: in addition to taking waterproof measures on the concrete wall of the enclosure structure and its inner surface, a set of off-wall inner wall is additionally arranged on the inner side of the main wall to achieve the requirement of basement leakage prevention construction. Although this basement waterproof design scheme is a multi-layer defense and is beneficial to drainage, it has problems such as high cost, difficulty in fully drying the enclosure structure wall, and difficulty in ensuring the water tightness of the concrete joint part of the column and wall.

[0006] Scheme four, the lower node of the drainage plate adopts a semi-circular PVC pipe inverted on the bottom surface of the drainage ditch to collect the seepage water in the drainage plate.

[0007] Problems and defects of the prior art: the above schemes cannot solve the problem that the accumulated water in the large basement flows into the drainage ditch and climbs along the wall by capillary action, causing the decorative surface of the outer wall at the lower part to be damp and fall off. At the same time, there is no steam vent on the upper part of the drainage plate, which will cause the cavity of the drainage plate to be damp for a long time, reducing the durability of the concrete structure. SUMMARY

[0008] The basement outer wall inner side drainage plate and the construction method thereof solve the problem of poor waterproof effect caused by the fact that water vapor cannot be discharged from the drainage cavity and the water vapor climbs along the wall.

[0009] The basement outer wall inner side drainage plate and the construction method thereof solve the problem of poor waterproof effect caused by the fact that water vapor cannot be discharged from the drainage cavity and the water vapor climbs along the wall.

[0010] The basement outer wall inner side drainage plate comprises a drainage plate body, a steam discharge node arranged at the top of the drainage plate body, and a drainage node arranged at the lower part of the drainage plate body.

[0011] The steam discharge node and the drainage node are both made by cutting one fourth of a section of a PVC pipe; the PVC pipe is fixed on the outer wall concrete structure, and the one fourth cutaway part is aligned and spliced at the two ends of the drainage plate body.

[0012] The PVC pipe is fixed on the outer wall concrete structure by screws.

[0013] The fixing interval of the screws is 700-900 mm.

[0014] The PVC pipe of the drainage node is perforated at a radial interval of 1000-1500 mm for fixing the drainage corrugated pipe.

[0015] The PVC pipe of the steam discharge node is perforated with φ10 steam discharge holes at a radial interval of 200-400 mm.

[0016] The drainage corrugated pipe between the communication drainage node and the drainage ditch has a certain inclination angle, and the end connected with the drainage node is higher than the end connected with the drainage ditch.

[0017] The construction method of the basement outer wall inner side drainage plate comprises the following steps:

[0018] Step 1: according to the design drawing of the basement outer wall and the specification of the inner side drainage plate, the steam discharge node and the drainage node are pre-made;

[0019] Step 2: after the outer wall drainage plate is laid, the drainage node is fixed on the lower part of the outer wall concrete structure by screws, and simultaneously serves as the lower closing part of the outer wall drainage plate;

[0020] Step 3: the steam discharge node is fixed on the upper part of the outer wall concrete structure by screws, and simultaneously serves as the upper closing part of the outer wall drainage plate;

[0021] Step 4: after the construction of the drainage node and the steam discharge node is completed, the construction of the decorative surface layer on the drainage plate is performed;

[0022] Step 5, when the floor construction layer is constructed, a formwork is used to fix a drainage corrugated hose, one end of the drainage corrugated hose is connected with a drainage node, the other end of the drainage corrugated hose is connected with a drainage ditch, and a certain slope is kept to the drainage ditch;

[0023] Step 6, when the floor construction layer concrete is poured, the bottom collecting pipe and the drainage pipe are buried in the concrete.

[0024] The water outlet of the drainage corrugated hose is connected with one end of the drainage ditch, and is a certain distance from the bottom of the drainage ditch.

[0025] The floor construction layer concrete is fine stone concrete or light aggregate concrete.

[0026] Compared with the prior art, the present application has the following beneficial effects:

[0027] 1. The present application is specially suitable for the lower drainage and upper steam exhaust node of the basement outer wall inner side drainage plate. In the lower part, the PVC pipe buried in the floor construction layer is used to collect the leakage water, and the corrugated hose buried in the floor construction layer is used to drain the water into the basement drainage ditch system. The water outlet of the corrugated hose is a certain distance from the bottom of the drainage ditch, so as to prevent the accumulated water in the drainage ditch from flowing back into the drainage plate system. In the upper part, the PVC pipe is used to close the drainage plate, and the steam exhaust hole is opened on the PVC pipe, so that the drainage plate cavity and the external air flow, and the humid water vapor in the drainage plate cavity is taken out, so that the large area impermeable wall can keep dry.

[0028] 2. The present application adopts the dredging mode to effectively drain the basement outer wall leakage water, and keeps the outer wall structure surface dry, saves a large amount of basement outer wall leakage repair cost and decoration surface layer repair cost, improves the user experience, and does not affect the structural durability.

[0029] 3. The structure and method can be popularized and applied in the field as a standard structure, and has good market prospect. BRIEF DESCRIPTION OF DRAWINGS

[0030] Fig. 1 It is a vertical plane view of the basement outer wall inner side drainage plate of the present application.

[0031] Fig. 2 It is a bottom drainage node view of the present application.

[0032] Fig. 3 It is a top steam exhaust node view of the present application.

[0033] In the figure, the marks are as follows: 1 is the outer wall drainage plate body; 2 is the top steam exhaust node; 3 is the bottom drainage node; 4 is the outer wall decoration layer; 5 is the PVC pipe with one fourth section cut off; 6 is the fixing screw; 7 is the drainage corrugated pipe; 8 is the drainage ditch; 9 is the drainage ditch cover plate; and 10 is the steam exhaust hole. DETAILED DESCRIPTION

[0034] The structure and working process of the present application will be further described below in combination with the drawings.

[0035] The present application aims to provide a drainage and steam exhaust node specially used for the inner side drainage board of basement outer wall, through the joint action of drainage and steam exhaust, the basement outer wall leakage water is orderly excluded under the dredging, at the same time, the dryness of drainage board cavity is maintained, and the structural durability is avoided to be reduced due to long-term moisture of outer wall structure surface.

[0036] A basement outer wall inner side drainage board, comprising a drainage board body, a steam exhaust node arranged at the top of the drainage board body, and a drainage node arranged at the lower part of the drainage board body; a plurality of steam exhaust holes are arranged on the steam exhaust node at intervals; the drainage node and the drainage ditch are connected through a drainage corrugated pipe.

[0037] The specific embodiment is shown in the drawings. Figs. 1 to 3

[0038] A basement outer wall inner side drainage board, comprising a drainage board body 1, a steam exhaust node 2 arranged at the top of the drainage board body 1, and a drainage node 3 arranged at the lower part of the drainage board body 1; a plurality of steam exhaust holes 10 are arranged on the steam exhaust node 2 at intervals; the drainage node 3 and the drainage ditch 8 are connected through a drainage corrugated pipe 7.

[0039] The steam exhaust node 2 and the drainage node 3 are both made by cutting one fourth of the cross section of a PVC pipe 5; the PVC pipe 5 is fixed on the outer wall concrete structure, and the one fourth gap is aligned and spliced at both ends of the drainage board body 1.

[0040] The PVC pipe 5 is fixed on the outer wall concrete structure through a screw 6.

[0041] The fixing interval of the screw 6 is 700-900mm.

[0042] The PVC pipe 5 of the drainage node 3 is perforated along the radial interval of 1000-1500mm, which is used for fixing the drainage corrugated pipe 7.

[0043] The PVC pipe of the steam exhaust node is perforated with φ10 steam exhaust holes 10 along the radial interval of 200-400mm.

[0044] The drainage corrugated pipe 7 between the drainage node 3 and the drainage ditch 8 has a certain inclination angle, and the end connected with the drainage node 3 is higher than the end connected with the drainage ditch 7. After the construction is completed, the drainage ditch cover plate 9 is arranged above the drainage ditch 7 to be closed.

[0045] The construction method of the basement outer wall inner side drainage board, comprising the following steps:

[0046] ​Step 1, according to the basement outer wall design drawings and the inside drainage board specifications, the steam node and the drainage node are made in advance;

[0047] Step 2, after the outer wall drainage board is laid, the drainage node is fixed on the lower outer wall concrete structure by screws, and at the same time, it is used as the lower closing of the outer wall drainage board;

[0048] Step 3, the steam node is fixed on the upper outer wall concrete structure by screws, and at the same time, it is used as the upper closing of the outer wall drainage board;

[0049] Step 4, after the construction of the drainage node and the steam node is completed, the decorative surface layer is constructed on the drainage board;

[0050] Step 5, when the floor building layer is constructed, the drainage corrugated hose is fixed by the formwork, one end of which is connected to the drainage node, the other end of which is connected to the drainage ditch, and a certain slope is maintained towards the drainage ditch;

[0051] Step 6, when the floor building layer concrete is poured, the bottom collecting pipe and the drainage pipe are buried in the concrete. Specific embodiments

[0053] 1, the purpose of the bottom drainage node is to collect and remove the seepage water in the outer wall drainage board cavity. The collecting pipe is made of PVC pipe with one fourth of the cross section cut off, and the bottom of the PVC pipe is spaced 1200mm apart to fix the drainage corrugated hose. After the outer wall drainage board is laid, the PVC pipe is fixed on the outer wall concrete structure by screws, and at the same time, it is used as the lower closing of the outer wall drainage board, and the fixed screw spacing is 800mm.

[0054] 2, the purpose of the top steam node is to remove the water vapor in the outer wall drainage board cavity, so that the outer wall remains dry. The steam pipe is also made of PVC pipe with one fourth of the cross section cut off, and the side of the PVC pipe is spaced 300 apart to open φ10 steam holes. After the outer wall drainage board is laid, the PVC pipe is fixed on the outer wall concrete structure by screws, and at the same time, it is used as the upper closing of the outer wall drainage board, and the fixed screw spacing is 800mm.

[0055] 3, after the bottom and top nodes are completed, the decorative surface layer is constructed on the drainage board. When the floor building layer is constructed, the drainage corrugated hose is fixed by the formwork, and a certain slope is maintained towards the drainage ditch, and at the same time, the water outlet is a certain distance from the bottom of the drainage ditch. When the floor building layer fine stone concrete (or light aggregate concrete) is poured, the bottom collecting pipe and the drainage pipe are buried in the concrete.

[0056] It should be noted that the terms "comprise" and "have" and any variations thereof used in the specification and claims of the present application are intended to cover both the case where the stated feature is present and the case where the stated feature is not present.

[0057] In the present application, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are mainly used for better description of the present application and its embodiments, and are not intended to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation.

[0058] In addition, in addition to being used to indicate the orientation or positional relationship, the above-mentioned partial terms can also be used to indicate other meanings, for example, the term "upper" can also be used to indicate a certain dependent relationship or connection relationship in some cases. Those skilled in the art can understand the specific meaning of these terms in the present application according to the specific circumstances.

[0059] In addition, the terms "mount", "set", "provided with", "connected", "connected", "sleeved" should be interpreted broadly. For example, it can be fixedly connected, detachably connected, or integrally constructed; it can be mechanically connected, or electrically connected; it can be directly connected, or indirectly connected through an intermediate medium, or it can be internal communication between two devices, elements or components. Those skilled in the art can understand the specific meaning of the above terms in the present application according to the specific circumstances.

[0060] The present application is not limited to the specific embodiments described above, wherein the devices and structures not described in detail should be understood as being implemented in the ordinary way in the art; any person skilled in the art can make many possible changes and modifications to the present application, or modify it into equivalent embodiments, without departing from the scope of the present application, using the methods and technical content disclosed above, which does not affect the essential content of the present application. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present application, without departing from the scope of the present application, all still belong to the scope of protection of the present application.

Claims

1. A basement exterior wall interior side drainage board, characterized by: The steam exhaust node is provided on the top of the drain plate body, and the drain node is provided on the lower part of the drain plate body; a plurality of steam exhaust holes are provided on the steam exhaust node at intervals; the drain node is connected with the drain ditch through the drain corrugated pipe; the steam exhaust node and the drain node are both made of PVC pipe with one fourth of the cross section cut off; the PVC pipe is fixed on the outer wall concrete structure, and the one fourth gap is aligned and spliced at the two ends of the drain plate body; the PVC pipe is fixed on the outer wall concrete structure through screws; the PVC pipe of the steam exhaust node is provided with φ10 steam exhaust holes at a radial distance of 200-400 mm.

2. The basement exterior wall inner side drainage panel according to claim 1, characterized by: The fixed distance of the screw is 700-900 mm.

3. The basement exterior wall inner side drainage panel according to claim 1, characterized by: The PVC pipe of the drain node is provided with holes at a radial distance of 1000-1500 mm for fixing the drain corrugated pipe.

4. The basement exterior wall inner side drainage panel according to claim 1, characterized by: The drain corrugated pipe between the communication drain node and the drain ditch has a certain inclination angle, and the end connected with the drain node is higher than the end connected with the drain ditch.

5. A method of constructing a drainage board on the inside of an exterior wall of a basement, characterized by: The method comprises the following steps: Step 1: according to the design drawing of the basement outer wall and the specification of the inner drain plate, the steam exhaust node and the drain node of any one of claims 1 to 4 are pre-made; Step 2: after the outer wall drain plate is laid, the drain node is fixed on the lower outer wall concrete structure by screws, and at the same time, it is used as the lower closing of the outer wall drain plate; Step 3: the steam exhaust node is fixed on the upper outer wall concrete structure by screws, and at the same time, it is used as the upper closing of the outer wall drain plate; Step 4: after the construction of the drain node and the steam exhaust node is completed, the construction of the decorative surface layer on the drain plate is carried out; Step 5: when the floor building layer is constructed, the drain corrugated hose is fixed by using the formwork, one end of which is connected with the drain node, and the other end is connected with the drain ditch, and a certain slope is maintained towards the drain ditch; Step 6: when the floor building layer concrete is poured, the bottom collecting pipe and the drain pipe are buried in the concrete.

6. The basement exterior wall inner side drainage board construction method according to claim 5, characterized by: The drain corrugated hose is connected with the water outlet at one end of the drain ditch, which is a certain distance from the bottom of the drain ditch.

7. The basement exterior wall inner side drainage board construction method according to claim 5, characterized by: The floor building layer concrete is fine stone concrete or light aggregate concrete. The floor building layer concrete is fine stone concrete or light aggregate concrete.

Citation Information

Patent Citations

  • Method for installing plastic drainage plate by using keel or adhesive tape

    CN104652494A

  • Construction method of outside drainage ditch of top slab of basement

    CN110805113A

  • Basement waterproof system structure

    CN217399937U