CN111963779A - Floor sleeve joint waterproof construction - Google Patents
Floor sleeve joint waterproof construction Download PDFInfo
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- CN111963779A CN111963779A CN202010839135.2A CN202010839135A CN111963779A CN 111963779 A CN111963779 A CN 111963779A CN 202010839135 A CN202010839135 A CN 202010839135A CN 111963779 A CN111963779 A CN 111963779A
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- waterproof
- sleeve
- floor slab
- sealing element
- waterproof layer
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L5/00—Devices for use where pipes, cables or protective tubing pass through walls or partitions
- F16L5/02—Sealing
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Building Environments (AREA)
Abstract
The invention discloses a waterproof structure for a floor slab sleeve joint, which comprises an embedded sleeve, a waterproof layer and a waterproof layer, wherein the embedded sleeve penetrates through a structural wall; the waterproof layer is arranged on the outer side of the structural wall body; the first sealing element is arranged between the embedded sleeve and the decorative surface layer arranged on the outer side of the waterproof layer; the second sealing element is arranged between the embedded sleeve and the floor slab sleeve; the waterproof layer is a mortar waterproof layer, and the surfaces of the first sealing element and the second sealing element are coated with coatings containing PTFE-based coating materials; the thickness of the coating is 0.5-5 um. The waterproof structure for the floor slab sleeve joint provided by the invention is reasonable in structure and convenient and fast to construct, ensures the sealing property of the floor slab sleeve through the comprehensive action of the waterproof layer, the first sealing element and the second sealing element, and effectively solves the technical problem of water seepage at the floor slab sleeve joint; in addition, the waterproof structure has the advantages of few construction procedures, controllable construction period, improved construction efficiency and controlled construction cost.
Description
Technical Field
The invention belongs to the technical field of constructional engineering, and relates to a waterproof structure for a floor slab sleeve joint.
Background
In the building engineering, when a building is built, a vertical drainage pipe is required to be arranged, wherein the vertical drainage pipe is a pipeline which is mainly installed in a floor and discharges domestic sewage and is a pipeline vertical to each floor of the building. The drain pipe need pass the floor, and in order to facilitate the construction, can set up the entrance to a cave in advance on the floor and supply and drain pipe to pass. The sealing between the drain pipe and the predetermined opening is particularly important.
With the progress of science and technology and the development of society, the building waterproof technology is also a long-standing development, and the waterproof modes are various, such as waterproof concrete rigid waterproof, cement mortar waterproof, waterproof paint waterproof, coiled material waterproof, metal waterproof, plastic waterproof board waterproof and the like. The waterproof treatment of the joints of the floor slab sleeve between the kitchen and the toilet mostly adopts the combination of a cement mortar leveling layer and a film waterproof layer.
The existing waterproof structure has the defects of complex construction method, complex process, long construction time, high construction cost, incapability of ensuring waterproof quality, easiness in water leakage and poor anti-leakage effect.
Therefore, it is needed to design a waterproof structure for a floor slab sleeve joint to solve the technical problems in the prior art.
Disclosure of Invention
The invention aims to solve at least part of technical problems in the prior art to a certain extent, and provides a waterproof structure for a floor slab sleeve joint, which is reasonable in structure and convenient and fast to construct, ensures the sealing property of the floor slab sleeve through the comprehensive action of the waterproof layer, a first sealing element and a second sealing element, and effectively solves the technical problem of water seepage at the floor slab sleeve joint; in addition, the waterproof structure has the advantages of few construction procedures, controllable construction period, improved construction efficiency and controlled construction cost.
In order to solve the technical problem, the invention provides a floor slab sleeve joint waterproof structure, which comprises an embedded sleeve, a waterproof layer and a waterproof layer, wherein the embedded sleeve penetrates through a structural wall; the waterproof layer is arranged on the outer side of the structural wall body; the first sealing element is arranged between the embedded sleeve and the decorative surface layer arranged on the outer side of the waterproof layer; the second sealing element is arranged between the embedded sleeve and the floor slab sleeve; the waterproof layer is a mortar waterproof layer, and the surfaces of the first sealing element and the second sealing element are coated with coatings containing PTFE-based coating materials; the thickness of the coating is 0.5-5 um.
As a preferred embodiment, the number of the second sealing elements is a pair, and the second sealing elements are arranged at the top and the bottom of the embedded sleeve.
In a preferred embodiment, the distance between the second sealing element and the top surface of the decorative surface layer is not less than 60 mm.
In a preferred embodiment, the second sealing element is a circular ring structure, and the surface of the second sealing element is coated with a coating; the coating thickness of the inner side surface and the outer side surface of the second sealing element is larger than that of the bottom surface and the top surface of the second sealing element.
As a preferred embodiment, the coating thickness of the inner side surface and the outer side surface of the second sealing element is 2-4 um.
As a preferred embodiment, the first sealing element is of a truncated cone structure, and the inner side surface, the outer side surface, the conical surface and the bottom surface of the first sealing element are coated with coatings, wherein the coating thickness is 0.5-2 um.
As a preferred embodiment, the roughness of the outer side wall of the embedded sleeve is not higher than Ra1.6.
As a preferred embodiment, the roughness of the inner side wall of the embedded sleeve and the outer side wall of the floor slab sleeve is not more than ra0.8.
As a preferred embodiment, the waterproof layer is an FS101 cement mortar waterproof layer.
As a preferred embodiment, the waterproof layer is 20-25 mm.
The invention has the beneficial effects that:
the floor slab sleeve joint waterproof structure provided by the invention is reasonable in structure and convenient and fast to construct, and has the following technical advantages:
(1) the sealing performance of the floor slab sleeve is ensured through the comprehensive action of the waterproof layer, the first sealing element and the second sealing element, and the technical problem of water seepage at the node of the floor slab sleeve is effectively solved;
(2) compared with the traditional waterproof structure, the invention does not need to coat two layers of waterproof layers and protective layers, simplifies the construction process, shortens the construction period and reduces the construction cost of manpower and materials.
Drawings
The above advantages of the present invention will become more apparent and more readily appreciated from the detailed description set forth below when taken in conjunction with the drawings, which are intended to be illustrative, not limiting, of the invention and in which:
fig. 1 is a schematic structural view of a waterproof structure of a floor slab sleeve joint according to the present invention;
FIG. 2 is a schematic view of the first seal of the present invention;
fig. 3 is a schematic structural view of the second sealing member according to the present invention.
In the drawings, the reference numerals denote the following components:
10. pre-burying a sleeve; 20. a structural wall; 30. a waterproof layer; 40. a first seal member; 50. decorating the surface layer; 60. a second seal member; 70. a floor sleeve.
Detailed Description
Fig. 1 to 3 are related schematic views of a waterproof structure for a floor slab sleeve joint according to the present application, and the present invention will be described in detail below with reference to specific embodiments and accompanying drawings.
The examples described herein are specific embodiments of the present invention, are intended to be illustrative and exemplary in nature, and are not to be construed as limiting the scope of the invention. In addition to the embodiments described herein, those skilled in the art will be able to employ other technical solutions which are obvious based on the disclosure of the claims and the specification of the present application, and these technical solutions include technical solutions which make any obvious replacement or modification for the embodiments described herein.
The drawings in the present specification are schematic views to assist in explaining the concept of the present invention, and schematically show the shapes of respective portions and their mutual relationships. It is noted that the drawings are not necessarily to the same scale so as to clearly illustrate the structures of the various elements of the embodiments of the invention. Like reference numerals are used to denote like parts.
The invention discloses a structural schematic diagram of a floor slab sleeve joint waterproof structure, which is shown in figure 1. Floor sleeve pipe node waterproof construction includes:
a pre-buried sleeve 10 disposed through the structural wall 20;
a waterproof layer 30 disposed on an outer side of the structural wall 20;
a first sealing member 40 disposed between the embedded sleeve 10 and a decorative surface layer 50 disposed outside the waterproof layer 30;
a second sealing member 60 disposed between the embedded bushing 10 and the floor bushing 70;
the waterproof layer 30 is a mortar waterproof layer, and the surfaces of the first sealing member 40 and the second sealing member 60 are coated with a coating layer comprising a PTFE-based coating material; the thickness of the coating is 0.5-5 um.
In the invention, the waterproof layer 30 is an FS101 cement mortar waterproof layer, namely FS101 mortar waterproof agent is doped in the cement mortar in a gathering way. The FS101 mortar waterproof agent is formed by reaction and compounding of a reinforcing component and a catalytic component, and is chemically reacted with cement hydration educts to generate gel and crystals, so that the gel compactness and the impermeability can be improved. In addition, the FS101 has the characteristic of reducing mortar shrinkage while improving mortar compactness.
In some embodiments, the waterproof layer 30 is 20-25 mm. In fig. 1, the waterproof layer 30 is 20 mm. The thickness of the waterproof layer 30 can be flexibly adjusted by constructors according to design and actual construction requirements. It is understood that the thickness of the waterproof layer 30 may be more than 25mm or less than 20 mm.
As an embodiment of the present invention, the surfaces of the first and second sealing members 40 and 60 are coated with a coating layer including a PTFE-based coating material including perfluoroalkoxy resin (PFA) and Fluorinated Ethylene Propylene (FEP) to secure sealability between the pre-buried sleeve 10 and the floor sleeve 70.
As an embodiment of the present invention, a coating is sprayed on the first sealing member 40 and the second sealing member 60, the coating having a particle radius of not more than 1000 nm. The coating can be deposited in a vacuum environment. In order to secure the adhesion between the coating and the sealing member, the roughness of the first and second sealing members 40 and 60 needs to be flexibly controlled. In some embodiments, the surface roughness of the first seal 40 and the second seal 60 is no greater than Ra 0.4.
Fig. 2 is a schematic structural diagram of the first sealing element according to the present invention, and the first sealing element 40 has a truncated cone structure, and the inner side surface, the outer side surface, the tapered surface and the bottom surface of the first sealing element are coated with a coating, wherein the coating thickness is 0.5-2 um. The tapered surface of the first sealing member 40 is exposed to the outside of the decorative surface layer 50, as shown in fig. 1.
In fig. 2, the taper has an acute angle, e.g., 30-60 °, with the central axis of the first seal 40, and the thickness of the taper is greater than the thickness of the other sides. In some embodiments, the cone coating thickness is 1.5 um.
As an embodiment of the present invention, the number of the second sealing members 60 is a pair, as shown in fig. 1, which is disposed at the top and bottom of the insert sleeve 10. The distance between the second sealing element 60 and the top surface of the decorative surface layer 50 is not less than 60 mm. The distance between the further second seal 60 and the inner side of the structural wall 20 is relatively small, in the general range of 10-30mm, or less.
FIG. 3 is a schematic structural view of the second sealing member of the present invention, wherein the second sealing member 60 is a circular ring structure, and the surface of the second sealing member is coated with a coating; the coating thickness of the inner and outer sides of the second seal 60 is greater than the coating thickness of the bottom and top sides thereof. In some embodiments, the coating thickness on the inner and outer sides of the second seal 60 is 2-4 um.
As another embodiment of the present invention, the length of the second seal 60 along the axis is 10mm to 30mm, which is 1/8 to 1/5 of the length of the embedment sleeve 10. In addition, the second seal 60 is slightly larger than the distance between the embedded sleeve 10 and the floor sleeve 70. Specifically, the thickness of the second sealing member 60 is 110% to 130% of the distance between the embedded bushing 10 and the floor bushing 70. Here, the thickness of the second seal 60 refers to a distance between the inner side surface and the outer side surface of the second seal 60.
To ensure a good seal, the roughness of the inner and outer side walls of the pre-buried sleeve 10 and the floor sleeve 70 needs to be controlled. The roughness of the outer side wall of the embedded sleeve 10 is not higher than Ra1.6, and the roughness of the inner side wall of the embedded sleeve 10 and the roughness of the outer side wall of the floor slab sleeve 70 are not more than Ra0.8.
As an embodiment of the present invention, the first sealing member 40 and the second sealing member 60 are made of silicon rubber, which may be other rubber materials with good sealing performance, such as fluoro-rubber, styrene-butadiene rubber, nitrile rubber, etc. The pre-buried sleeve 10 may be made of a non-metallic material such as polyphenylene sulfide, polycarbonate, polyoxymethylene, etc.
The floor slab sleeve joint waterproof structure is used for waterproof treatment of floor slab sleeve joints such as kitchens and bathrooms, the novel waterproof material FS101 mortar waterproof agent is adopted, FS101 waterproof mortar is prepared according to a certain proportion, a waterproof layer 30 is directly constructed on a structural wall 20 around an embedded sleeve 10, and a film-coated waterproof layer and a waterproof protective layer are not required to be coated. When the decorative surface layer 50 is constructed, a first sealing element 40 is embedded around the embedded sleeve 10 for sealing, so that the embedded sleeve 10 and the decorative surface layer 50 are tightly bonded without gaps, and the waterproof treatment of the floor slab sleeve joint between kitchens and bathrooms can be completed.
As an embodiment of the invention, the structural wall 20 is doped with FS102 concrete waterproof compacting agent, and the volume ratio of the concrete waterproof compacting agent is 1-18%. The FS102 concrete waterproof compacting agent can improve the waterproofness of the main body structure 20 and enhance the waterproofness of the underground water pool.
The general construction steps of the floor slab sleeve joint waterproof structure of the invention are briefly described as follows:
firstly, arranging an embedded sleeve 10 in a structural wall 20;
then, a waterproof layer 30 is arranged on the outer side of the structural wall 20;
then, arranging a first sealing element 40 between the decorative surface layer 50 and the embedded sleeve 10, and preferentially coating the first sealing element 40 with a coating containing a PTFE-based coating material;
finally, installing a floor slab sleeve 70, and arranging a second sealing element 60 between the embedded sleeve 10 and the floor slab sleeve 70; the second seal 60 needs to be coated with a coating comprising a PTFE-based coating material prior to installation of the second seal 60.
Compared with the traditional waterproof structure, the invention does not need two-layer operation of a film waterproof layer and a protective layer, simplifies the construction process, shortens the construction period, reduces the labor and material construction cost, and has the advantages that the FS101 mortar waterproof layer is not easy to crack and fine cracks, and the waterproof effect is better than that of the traditional method.
Compared with the defects and shortcomings of the prior art, the waterproof structure for the floor slab sleeve joint is reasonable in structure and convenient and fast to construct, the sealing performance of the floor slab sleeve is guaranteed through the comprehensive effect of the waterproof layer, the first sealing piece and the second sealing piece, and the technical problem of water seepage at the floor slab sleeve joint is effectively solved; in addition, the construction procedures are effectively reduced, the construction efficiency is improved, and the construction cost is controlled.
The present invention is not limited to the above embodiments, and any other products in various forms can be obtained by the teaching of the present invention, but any changes in the shape or structure thereof, which are the same as or similar to the technical solutions of the present invention, fall within the protection scope of the present invention.
Claims (10)
1. The utility model provides a floor sleeve pipe node waterproof construction which characterized in that includes: the embedded sleeve penetrates through the structural wall body; the waterproof layer is arranged on the outer side of the structural wall body; the first sealing element is arranged between the embedded sleeve and the decorative surface layer arranged on the outer side of the waterproof layer; the second sealing element is arranged between the embedded sleeve and the floor slab sleeve; the waterproof layer is a mortar waterproof layer, and the surfaces of the first sealing element and the second sealing element are coated with coatings containing PTFE-based coating materials; the thickness of the coating is 0.5-5 um.
2. The floor slab bushing node waterproof structure of claim 1, wherein the number of the second sealing members is a pair, and the pair is disposed at the top and the bottom of the embedded bushing.
3. A floor slab sleeve joint waterproofing structure according to claim 1, wherein the distance of the second sealing member from the top surface of the decorative surface layer is not less than 60 mm.
4. The floor slab sleeve joint waterproof construction of claim 1, characterized in that the second seal is a ring structure, the surface of which is coated with a coating; the coating thickness of the inner side surface and the outer side surface of the second sealing element is larger than that of the bottom surface and the top surface of the second sealing element.
5. The floor sleeve joint waterproof construction of claim 4, characterized in that the coating thickness of the inside and outside face of the second seal is 2-4 um.
6. The floor slab bushing node waterproof construction of claim 1, characterized in that, the first sealing member is a truncated cone structure, and the inner side, outer side, conical surface and bottom surface thereof are coated with a coating, and the coating thickness is 0.5-2 um.
7. The floor slab bushing node waterproof construction of claim 1, characterized in that the roughness of the outer side wall of the embedded bushing is not higher than Ra1.6.
8. The floor sleeve joint waterproof structure of claim 1, wherein the roughness of the inner side wall of the embedded sleeve and the outer side wall of the floor sleeve is not more than Ra0.8.
9. The floor slab sleeve joint waterproof structure of claim 1, wherein the waterproof layer is an FS101 cement mortar waterproof layer.
10. The floor slab sleeve joint waterproof structure of claim 1, wherein the waterproof layer is 20-25 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010839135.2A CN111963779A (en) | 2020-08-19 | 2020-08-19 | Floor sleeve joint waterproof construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010839135.2A CN111963779A (en) | 2020-08-19 | 2020-08-19 | Floor sleeve joint waterproof construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111963779A true CN111963779A (en) | 2020-11-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010839135.2A Pending CN111963779A (en) | 2020-08-19 | 2020-08-19 | Floor sleeve joint waterproof construction |
Country Status (1)
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| CN (1) | CN111963779A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1249113A (en) * | 1967-11-06 | 1971-10-06 | Richard Klinger Ltd | Improvements in seals and bearings for shafts |
| US4063759A (en) * | 1976-05-07 | 1977-12-20 | Steimle Wayne D | Water barrier to prevent seepage past pipes installed through a masonry wall |
| JP2006161998A (en) * | 2004-12-09 | 2006-06-22 | Nippon Densetsu Kogyo Co Ltd | Waterproof treatment method in exterior wall through piping work of existing structure |
| JP2015105669A (en) * | 2013-11-28 | 2015-06-08 | パナホーム株式会社 | Sleeve structure |
| CN205639895U (en) * | 2016-05-25 | 2016-10-12 | 东亚装饰股份有限公司 | Floor structures is worn to pipeline |
| JP2017005802A (en) * | 2015-06-05 | 2017-01-05 | 日本通信電材株式会社 | Duct sleeve |
| KR20170114386A (en) * | 2016-04-04 | 2017-10-16 | (주)세니츠코퍼레이션 | Reinforcement and waterproof structure of vertical shafts-utility tunnels interface |
| CN208565828U (en) * | 2018-06-15 | 2019-03-01 | 广东中鑫宏建设有限公司 | The saturating cannula structure of through-flooring waterproof, seepage control |
| CN210600153U (en) * | 2019-10-14 | 2020-05-22 | 浙江加诚新材料有限公司 | Corrosion-resistant rubber seal ring convenient to replace |
-
2020
- 2020-08-19 CN CN202010839135.2A patent/CN111963779A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1249113A (en) * | 1967-11-06 | 1971-10-06 | Richard Klinger Ltd | Improvements in seals and bearings for shafts |
| US4063759A (en) * | 1976-05-07 | 1977-12-20 | Steimle Wayne D | Water barrier to prevent seepage past pipes installed through a masonry wall |
| JP2006161998A (en) * | 2004-12-09 | 2006-06-22 | Nippon Densetsu Kogyo Co Ltd | Waterproof treatment method in exterior wall through piping work of existing structure |
| JP2015105669A (en) * | 2013-11-28 | 2015-06-08 | パナホーム株式会社 | Sleeve structure |
| JP2017005802A (en) * | 2015-06-05 | 2017-01-05 | 日本通信電材株式会社 | Duct sleeve |
| KR20170114386A (en) * | 2016-04-04 | 2017-10-16 | (주)세니츠코퍼레이션 | Reinforcement and waterproof structure of vertical shafts-utility tunnels interface |
| CN205639895U (en) * | 2016-05-25 | 2016-10-12 | 东亚装饰股份有限公司 | Floor structures is worn to pipeline |
| CN208565828U (en) * | 2018-06-15 | 2019-03-01 | 广东中鑫宏建设有限公司 | The saturating cannula structure of through-flooring waterproof, seepage control |
| CN210600153U (en) * | 2019-10-14 | 2020-05-22 | 浙江加诚新材料有限公司 | Corrosion-resistant rubber seal ring convenient to replace |
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Application publication date: 20201120 |
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