CN112815153A - Waterproof treatment method for root of through-wall or floor pipeline - Google Patents
Waterproof treatment method for root of through-wall or floor pipeline Download PDFInfo
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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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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/66—Sealings
- E04B1/68—Sealings of joints, e.g. expansion joints
- E04B1/6806—Waterstops
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Abstract
The invention relates to a waterproof treatment method for the root of a through-wall or floor pipeline, which comprises the steps of constructing a leveling layer on a concrete structure layer pre-embedded with the pipeline, enclosing and adhering the through-wall or floor pipeline on the outer surface of the pipeline by adopting a sand surface macromolecule self-adhesive tape and coating polyurethane waterproof paint, wherein the sand surface macromolecule self-adhesive tape comprises a sand surface layer, a first self-adhesive layer, a macromolecule cross laminated film layer, a second self-adhesive layer and a separation film which are sequentially arranged, tearing off the separation film, adhering the second self-adhesive layer with the pipeline and extending to the leveling layer through the root of the pipeline, then constructing the polyurethane waterproof paint on the leveling layer to form a polyurethane waterproof coating, extending to the pipeline through the root of the pipeline and covering the polyurethane waterproof coating on the sand surface layer. The invention adopts the sand surface macromolecule self-adhesive tape to bond the pipeline, and then directly coats the waterproof coating, has less working procedures and simple and convenient construction, and also solves the problems of easy sagging and leakage caused by poor binding power when the waterproof coating is constructed on the surface of the smooth pipeline.
Description
Technical Field
The invention belongs to the technical field of structural waterproofing, and particularly relates to a waterproof treatment method for the root of a wall or floor pipeline.
Background
At present, various wall (floor) pipelines are inevitably encountered in engineering construction, particularly in places where water exists frequently, such as toilets and side walls, the root of the pipeline is not well treated, the phenomenon of leakage easily occurs, and the leakage of the toilets brings unnecessary troubles to the work and life of people.
The traditional method for the root of the toilet pipeline is to coat the root of the pipeline with a polyurethane waterproof coating or a JS cement-based polymer waterproof coating, and to reinforce the root of the pipeline with glass fiber mesh cloth or non-woven fabric.
The assembled roof roofing pipeline waterproof structure disclosed in the chinese patent CN207905265U comprises an assembled roof panel, a roofing pipeline, a composite non-cured coating waterproof layer, a self-adhesive waterproof roll layer, a roof panel heat-insulating layer, a concrete protective layer, a roof surface layer, and an interface fastening and sealing structure; the composite non-cured coating waterproof layer can be divided into a basic non-cured coating waterproof layer and a reinforced non-cured coating waterproof layer; the self-adhesive waterproof roll layer is provided with a self-adhesive waterproof roll layer interface end; the interface end of the self-adhesive waterproof roll material layer is provided with an interface fastening and sealing structure, and the interface fastening and sealing structure consists of a fastening pressing strip and a sealing rubber strip; the composite non-curing coating waterproof layer, the self-adhesive waterproof coil material layer, the roof panel heat insulation layer, the concrete protective layer and the roof surface layer are constructed and superposed in sequence from the assembled roof panel; the waterproof layer of the basic non-curing coating is laid in the range of 250mm of each distance at the joint of the flat surface and the vertical surface of the roofing pipeline and the assembled roof plate, glass fiber gridding cloth with corresponding size is laid, and then the waterproof layer of the reinforced non-curing coating is laid.
Chinese patent CN103924783A discloses a waterproof construction method for a wall-through part, which comprises the following steps: with pipeline basic unit clean up all around, wet-laying pitch base self-adhesion waterproofing membrane, spread and paste self-adhesion polymer rubber strip, go up and return 300mm, 500mm in the plane scope, apply paint polyurethane waterproof coating with a brush, will do the reinforcement processing with the net cloth, will apply paint many times at self-adhesion polymer rubber strip ending part, cement mortar protective layer, pitch base self-adhesion waterproofing membrane uses the wet construction of spreading, makes pitch base self-adhesion waterproofing membrane fully glue, can effectively solve and scurry the water problem.
The waterproof coating is coated on the root of the pipeline, but the matrix of the waterproof coating needs to be reinforced by adopting the mesh cloth, so that the process is more, and the construction is troublesome; and the non-bonding surface of the pipeline, the self-bonding waterproof coiled material or the self-bonding macromolecule rubber strip is a smooth surface, so that the construction coating is easy to sag, is not well bonded with the smooth surface, and is easy to open or fall off to cause a leakage phenomenon.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provide a waterproof treatment method for the root of a through-wall or floor pipeline with less working procedures and simple construction, and also solve the problems that the polyurethane waterproof coating is easy to flow and has poor adhesion with the pipeline to cause leakage.
In order to achieve the purpose, the technical scheme is as follows:
a water-proof treatment method for the root of the pipeline passing through wall or floor slab includes such steps as constructing a levelling layer on the concrete structure layer with embedded pipeline, the waterproof treatment method also comprises the steps of adopting a sand surface macromolecule self-adhesive tape to surround and adhere the outer surface of the pipeline and coating polyurethane waterproof paint, wherein the sand surface macromolecule self-adhesive tape comprises a sand surface layer, a first self-adhesive layer, a macromolecule cross laminated film layer, a second self-adhesive layer and an isolating film which are arranged in sequence, before the sand-surface polymer self-adhesive tape is bonded on the pipeline, the isolating film is torn off, then the second self-adhesive layer is adhered with the pipeline and extends to the leveling layer through the root of the pipeline, and then, a polyurethane waterproof coating is constructed on the leveling layer to form a polyurethane waterproof coating, the polyurethane waterproof coating extends to the pipeline through the root of the pipeline, and the polyurethane waterproof coating covers the sand surface layer.
Preferably, the sand-surface polymer self-adhesive tape is MST103 sand-surface polymer self-adhesive tape of Jiangsu Keren building materials GmbH. In the prior art, the sand-surface polymer self-adhesive tape is usually used as an auxiliary material of a waterproof roll, is mainly used for pre-paved roll damage repair, needle hole sealing, lap edge reinforcing sealing treatment and the like, and has the performances of high elongation and the like.
According to some embodiments of the invention, the distance from the root of the pipe to the pipe is 50-150mm, and the distance from the root of the pipe to the leveling layer is 50-150 mm.
According to some preferred and specific embodiments of the present invention, the distance that the polyurethane waterproof coating extends from the root of the pipe to the pipe is greater than the distance that the sand-faced polymeric self-adhesive tape extends from the root of the pipe to the pipe.
According to a further preferable aspect of the invention, the polyurethane waterproof coating is coated on the leveling layer for multiple times until the thickness of the formed polyurethane waterproof coating reaches the thickness required by the design, the thickness of the polyurethane waterproof coating at the closing part of the sand-surface polymer self-adhesive tape on the pipeline is thicker than the thickness required by the design, and the thickness of the polyurethane waterproof coating at the root part of the pipeline is thicker than the thickness required by the design.
According to some embodiments of the present invention, the water-proofing method further comprises a step of removing floating sand on the sand surface layer before painting the polyurethane water-proofing paint.
According to some implementation aspects of the invention, the waterproof treatment method further comprises the following construction steps according to design requirements after the polyurethane waterproof coating is constructed.
According to some embodiments of the invention, the pipe comprises a water pipe and an optional waterproof sleeve sleeved outside the water pipe, and the sand-surface polymer self-adhesive tape is adhered to the outer surface of the water pipe; or when the pipeline contains the waterproof sleeve, the sand surface polymer self-adhesive tape is adhered to the outer surface of the waterproof sleeve.
According to some embodiment aspects of the invention, the waterproofing treatment method comprises the steps of:
(1) pre-embedding a pipeline in a concrete structure layer, and enabling the pipeline to extend out of the concrete structure layer by 100-200 mm;
(2) constructing a leveling layer on the concrete structure layer;
(3) tearing off an isolation film of the MST103 sand surface polymer self-adhesive tape by using the MST103 sand surface polymer self-adhesive tape, and then adhering a second self-adhesive layer of the MST103 sand surface polymer self-adhesive tape to the outer surface of the pipeline and extending to the leveling layer through the root of the pipeline;
(4) removing floating sand on the surface of the sand surface layer of the MST103 sand surface macromolecule self-adhesive tape;
(5) coating polyurethane waterproof paint on the leveling layer for multiple times until the thickness of the formed polyurethane waterproof coating reaches the thickness required by the design, and extending the polyurethane waterproof coating formed by coating each time onto the pipeline through the root of the pipeline and covering the polyurethane waterproof coating on the sand surface layer of the MST103 sand surface macromolecule self-adhesive tape;
(6) and carrying out subsequent procedures according to design requirements.
In some embodiments, in step (6), the subsequent step comprises the step of applying a protective layer and/or a furring tile on the polyurethane waterproofing coating.
The waterproof structure of the root of the pipeline formed by the waterproof treatment method comprises a concrete structure layer, the pipeline which is embedded in the concrete structure layer and extends out of the concrete structure layer, and a leveling layer which is arranged above the concrete structure layer, the outer surface of the pipeline is surrounded with a sand surface macromolecule self-adhesive tape which is bonded with a removing isolation film and extends to the leveling layer through the root of the pipeline, the sand surface macromolecule self-adhesive tape comprises a sand surface layer, a first self-adhesive layer, a macromolecule cross laminated film layer, a second self-adhesive layer and an isolating film which are arranged in sequence, the second self-adhesive layer is adhered to the outer surface of the pipeline, the waterproof structure further comprises a polyurethane waterproof coating arranged on the leveling layer, the polyurethane waterproof coating extends to the pipeline through the root of the pipeline and covers the sand surface layer of the sand surface macromolecule self-adhesive tape.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
the water-proof treatment method of the invention adopts the sand surface macromolecule self-adhesive tape to bond the pipeline, and then directly coats the polyurethane water-proof coating, has less working procedures and simple and convenient construction, and solves the problems of more working procedures and troublesome construction of the traditional construction method which adopts grid cloth or non-woven fabric as the matrix for reinforcement. On the other hand, the sand surface macromolecule self-adhesive tape can be directly and firmly bonded with the pipeline wall, and the polyurethane waterproof coating is easy to be bonded with the sand surface layer of the sand surface macromolecule self-adhesive tape, so that the problems of easy sagging and poor bonding force of the polyurethane waterproof coating construction on the smooth pipeline surface and leakage are solved.
Drawings
FIG. 1 is a schematic structural view of the root of a pipe after the waterproofing treatment method for the root of a through-wall or floor pipe of embodiment 1 is completed;
FIG. 2 is a schematic structural view of the root of a pipe after the waterproofing treatment method for the root of a wall-penetrating or floor-slab pipe of embodiment 3 is completed;
in the figure: 1. a waterproof sleeve; 2. a water-stopping wing ring; 3. leveling layer; 4. a sand surface polymer self-adhesive tape; 5. a polyurethane waterproof coating; 6. a water pipe; 7. and (7) sealing paste.
Detailed Description
The technical solutions of the present invention are described in detail below with reference to specific examples so that those skilled in the art can better understand and implement the technical solutions of the present invention, but the present invention is not limited to the scope of the examples.
Example 1
The waterproof treatment method for the root of the wall-penetrating or floor slab pipeline provided by the embodiment is used for waterproof treatment of the root of the pipeline of a floor slab in a toilet, and comprises the following steps:
1) before pouring a floor slab concrete structure layer of a toilet, pre-burying a waterproof sleeve 1 with a water stop wing ring 2, and enabling the length of the waterproof sleeve 1 extending out of the concrete structure layer to be generally 150 mm;
2) after the concrete structure layer is poured, constructing a leveling layer 3 on the surface of the concrete structure layer;
3) after the leveling layer 3 is constructed, selecting an MST103 sand surface polymer self-adhesive tape 4 formed by sequentially arranging a sand surface layer, a first self-adhesive layer, a polymer cross laminated film layer, a second self-adhesive layer and a separation film, tearing off the separation film of the MST103 sand surface polymer self-adhesive tape 4, directly bonding the separation film on the outer surface of the waterproof sleeve 1, bonding a circle on the outer surface of the waterproof sleeve 1, compacting, extending the MST103 sand surface polymer self-adhesive tape 4 to the leveling layer 3 through the root of the waterproof sleeve 1, and enabling the vertical surface and the horizontal surface of the MST103 sand surface polymer self-adhesive tape 4 at the internal corner between the pipe wall of the waterproof sleeve 1 and the leveling layer 3 to be respectively 50-150mm (adjusted according to actual needs);
4) removing floating sand on a sand surface layer of the MST103 sand surface macromolecule self-adhesive tape, brushing a polyurethane waterproof coating for multiple times on the leveling layer 3 to form a polyurethane waterproof coating 5 until the design thickness is reached, wherein the polyurethane waterproof coating brushed each time extends to the waterproof sleeve 1 through the root of the waterproof sleeve 1 and covers the sand surface layer of the MST103 sand surface macromolecule self-adhesive tape, the distance from the root of the waterproof sleeve 1 to the waterproof sleeve 1 of the polyurethane waterproof coating 5 is greater than the distance from the root of the MST103 sand surface macromolecule self-adhesive tape to the waterproof sleeve 1, and thick coating treatment is carried out on the polyurethane waterproof coating 5 at the root of the waterproof sleeve 1 and the closing-up part where the MST103 sand surface macromolecule self-adhesive tape 4 is bonded with the waterproof sleeve 1, so that the thicknesses of the polyurethane waterproof coatings 5 at the two parts are thicker than the design requirement;
5) constructing a vertical water pipe 6, and sealing a gap between the vertical water pipe 6 and the waterproof sleeve 1 by using a sealing paste 7;
6) and performing other subsequent processes, such as sequentially constructing a protective layer and a furring brick on the polyurethane waterproof coating 5 (in other embodiments, only the protective layer or the furring brick can be independently constructed), wherein the state after construction is shown in fig. 1.
The waterproof structure of the root of the pipeline formed by the waterproof treatment method of the embodiment includes, as shown in fig. 1, a concrete structure layer, a pipeline buried in the concrete structure layer and extending out of the concrete structure layer, and a leveling layer 3 disposed above the concrete structure layer, wherein the pipeline includes a waterproof sleeve 1 buried in the concrete structure layer and having a water stop wing ring 2, and a vertical water pipe 6 inserted in the waterproof sleeve 1, and a sealing paste for sealing is disposed between the waterproof sleeve 1 and the vertical water pipe 6.
The surface of waterproof sleeve 1 encloses to establish and bonds to have MST103 sand face polymer self-adhesive tape 4 and MST103 sand face polymer self-adhesive tape 4 who gets rid of the barrier film and extends to on the screed-coat 3 through waterproof sleeve 1 root, this MST103 sand face polymer self-adhesive tape 4 is including the sand face layer that sets gradually, first self-adhesive layer, the alternately lamination rete of polymer, second self-adhesive layer and barrier film, second self-adhesive layer and waterproof sleeve surface bonding, this waterproof construction is still including setting up polyurethane waterproof coating 5 on screed-coat 3, polyurethane waterproof coating 5 extends to on waterproof sleeve 1 and covers on the sand face layer of MST103 sand face polymer self-adhesive tape 4 through waterproof sleeve 1 root.
By adopting the waterproof treatment method of the embodiment, the waterproof construction efficiency at the pipe root is doubled, and through detection (referring to a test method of self-adhesive polymer modified asphalt waterproof coiled material GB 23441-2009), the bonding strength of the MST103 sand-surface polymer self-adhesive tape and the pipe wall reaches 2.0MPa, and the bonding strength of the polyurethane waterproof coating and the MST103 sand-surface polymer self-adhesive tape reaches 1.8 MPa. The MST103 sand surface macromolecule self-adhesive tape and the polyurethane waterproof coating form a closed waterproof layer.
Example 2
The test is repeated by adopting the method of the embodiment 1, and the detection shows that the bonding strength of the MST103 sand surface polymer self-adhesive tape and the pipe wall reaches 2.0MPa, and the bonding strength of the polyurethane waterproof coating and the MST103 sand surface polymer self-adhesive tape reaches 2.0 MPa. The MST103 sand surface macromolecule self-adhesive tape and the polyurethane waterproof coating form a closed waterproof layer.
Example 3
The waterproof treatment method for the root of the wall-penetrating or floor slab pipeline provided by the embodiment is a waterproof treatment method for the root of the pipeline of a toilet floor slab, and comprises the following steps:
1) before pouring a floor concrete structure layer of a toilet, pre-burying a vertical surface water pipe 6, and enabling the length of the vertical surface water pipe 6 extending out of the concrete structure layer to be generally 150 mm;
2) after the concrete structure layer is poured, constructing a leveling layer 3 on the surface of the concrete structure layer;
3) after the leveling layer 3 is constructed, selecting an MST103 sand surface polymer self-adhesive tape 4 formed by sequentially arranging a sand surface layer, a first self-adhesive layer, a polymer cross laminated film layer, a second self-adhesive layer and a separation film, tearing off the separation film of the MST103 sand surface polymer self-adhesive tape 4, then directly bonding the separation film on the outer surface of a vertical surface water pipe 6, bonding a circle on the outer surface of the vertical surface water pipe 6, compacting, extending the MST103 sand surface polymer self-adhesive tape 4 onto the leveling layer 3 through the root part of the vertical surface water pipe 6, and enabling the vertical surface and the horizontal surface of the MST103 sand surface polymer self-adhesive tape 4 at the internal corner between the pipe wall of the vertical surface water pipe 6 and the leveling layer 3 to be respectively 50-150mm in distance;
4) removing floating sand on a sand surface layer of the MST103 sand surface macromolecule self-adhesive tape, brushing a polyurethane waterproof coating for multiple times on the leveling layer 3 to form a polyurethane waterproof coating 5 until the design thickness is reached, extending the polyurethane waterproof coating brushed each time to the vertical surface water pipe 6 through the root of the vertical surface water pipe 6 and covering the sand surface layer of the MST103 sand surface macromolecule self-adhesive tape, wherein the distance that the polyurethane waterproof coating 5 extends from the root of the vertical surface water pipe 6 to the vertical surface water pipe 6 is greater than the distance that the MST103 sand surface macromolecule self-adhesive tape extends from the root of the vertical surface water pipe 6 to the vertical surface water pipe 6, and performing thick coating treatment on a closing port where the MST103 sand surface macromolecule self-adhesive tape 4 is bonded with the vertical surface water pipe 6 and the polyurethane waterproof coating 5 at the root of the vertical surface water pipe 6 to ensure that the thicknesses of the polyurethane waterproof coatings 5 at the two positions are thicker than the;
5) other subsequent processes are carried out, such as the steps of sequentially constructing the protective layer and the furring brick on the polyurethane waterproof coating 5 (in other embodiments, only the protective layer or the furring brick can be independently constructed), and the state after construction is shown in fig. 2.
The waterproof structure of the root of the pipeline formed by the waterproof treatment method of the embodiment includes, as shown in fig. 2, a concrete structure layer, a vertical water pipe 6 embedded in the concrete structure layer and extending out of the concrete structure layer, and a leveling layer 3 disposed above the concrete structure layer, wherein an MST103 sand-surface polymer self-adhesive tape 4 with a removal isolation film adhered to the outer surface of the vertical water pipe 6 is arranged around the vertical water pipe, and the MST103 sand-surface polymer self-adhesive tape 4 extends to the leveling layer 3 through the root of the vertical water pipe 6, the MST103 sand surface macromolecule self-adhesive tape 4 comprises a sand surface layer, a first self-adhesive layer, a macromolecule cross laminated film layer, a second self-adhesive layer and an isolating film which are arranged in sequence, wherein the second self-adhesive layer is adhered with the outer surface of a vertical water pipe 6, the waterproof structure further comprises a polyurethane waterproof coating 5 arranged on the leveling layer 3, wherein the polyurethane waterproof coating 5 extends to the vertical surface water pipe 6 through the root part of the vertical surface water pipe 6 and covers the sand surface layer of the MST103 sand surface macromolecule self-adhesive tape 4.
By adopting the waterproof treatment method of the embodiment, the waterproof construction efficiency at the pipe root is doubled.
Comparative example 1
The waterproof treatment method for the root of the through-wall or floor slab pipeline provided by the comparative example is different from the waterproof treatment method in the example 1 in the steps 3) and 4).
In this example, after the construction of the leveling layer 3 is finished, the root of the waterproof sleeve 1 is coated with a layer of polyurethane waterproof coating, and then the glass fiber mesh cloth is laid; the vertical surface and the horizontal surface of the glass fiber gridding cloth at the internal corner between the pipe wall and the leveling layer are respectively 50-150 mm; and (3) coating polyurethane waterproof paint layer by layer until the thickness reaches the design requirement, and performing thick coating treatment on the root part of the waterproof sleeve 1 and the polyurethane waterproof coating at the closing part of the glass fiber mesh cloth on the pipe wall.
By adopting the waterproof treatment method of the embodiment, the waterproof construction efficiency at the pipe root is reduced, the bonding strength between the polyurethane waterproof coating and the pipe wall is 1.2MPa, and the bonding strength between the polyurethane waterproof coating and the glass fiber mesh cloth reaches 1.5 MPa. Although the peeling strength required by the specification is achieved, the polyurethane waterproof coating and the pipe wall can be separated after a long time or shock or settlement, and leakage is caused.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
The endpoints of the ranges and any values disclosed herein are not limited to the precise range or value, and such ranges or values should be understood to encompass values close to those ranges or values. For ranges of values, between the endpoints of each of the ranges and the individual points, and between the individual points may be combined with each other to give one or more new ranges of values, and these ranges of values should be considered as specifically disclosed herein.
Claims (10)
1. A waterproof treatment method for the root of a through-wall or floor pipeline comprises the following steps of constructing a leveling layer on a concrete structure layer pre-embedded with the pipeline, and is characterized in that: the waterproof treatment method further comprises the steps of enclosing and bonding the sand surface polymer self-adhesive tape on the outer surface of the pipeline and coating polyurethane waterproof paint, wherein the sand surface polymer self-adhesive tape comprises a sand surface layer, a first self-adhesive layer, a polymer cross laminated film layer, a second self-adhesive layer and a separation film which are sequentially arranged, the separation film is torn off before the sand surface polymer self-adhesive tape is bonded on the pipeline, then the second self-adhesive layer is bonded with the pipeline and extends to the leveling layer through the root of the pipeline, then the polyurethane waterproof paint is constructed on the leveling layer to form a polyurethane waterproof coating, the polyurethane waterproof coating extends to the pipeline through the root of the pipeline, and the polyurethane waterproof coating covers the sand surface layer.
2. The method of claim 1, wherein the waterproofing is applied to the root of a through-wall or floor conduit: the sand surface polymer self-adhesive tape is MST103 sand surface polymer self-adhesive tape of Jiangsu Keren building materials GmbH.
3. The method of claim 1, wherein the waterproofing is applied to the root of a through-wall or floor conduit: the sand surface polymer self-adhesive tape is characterized in that the distance from the root of the pipeline to the pipeline is 50-150mm, and the distance from the root of the pipeline to the leveling layer is 50-150 mm.
4. A method of waterproofing a root of a through-wall or floor conduit according to claim 3, wherein: the polyurethane waterproof coating extends to from the root of the pipeline, and the distance from the root of the pipeline to the pipeline is greater than the distance from the sand surface macromolecule self-adhesive tape to the root of the pipeline.
5. The method of claim 4, wherein the waterproofing is carried out by a method comprising the steps of: the polyurethane waterproof coating is coated on the leveling layer for multiple times until the thickness of the formed polyurethane waterproof coating reaches the thickness required by design, the thickness of the polyurethane waterproof coating at the closing part of the sand-surface polymer self-adhesive tape on the pipeline is thicker than the thickness required by design, and the thickness of the polyurethane waterproof coating at the root part of the pipeline is thicker than the thickness required by design.
6. The method of claim 1, wherein the waterproofing is applied to the root of a through-wall or floor conduit: the waterproof treatment method also comprises the step of removing floating sand on the sand surface layer before the polyurethane waterproof coating is coated.
7. The method of claim 1, wherein the waterproofing is applied to the root of a through-wall or floor conduit: the waterproof treatment method also comprises the following construction steps according to the design requirements after the polyurethane waterproof coating is constructed.
8. The method of claim 1, wherein the waterproofing is applied to the root of a through-wall or floor conduit: the pipeline comprises a water pipe and a water-proof sleeve which is selectively sleeved outside the water pipe, and the sand surface polymer self-adhesive tape is bonded on the outer surface of the water pipe; or when the pipeline contains the waterproof sleeve, the sand surface polymer self-adhesive tape is adhered to the outer surface of the waterproof sleeve.
9. A method of flashing a root of a through-wall or floor conduit according to any of claims 1 to 8, wherein the method of flashing comprises the steps of:
(1) pre-embedding a pipeline in a concrete structure layer, and enabling the pipeline to extend out of the concrete structure layer by 100-200 mm;
(2) constructing a leveling layer on the concrete structure layer;
(3) tearing off an isolation film of the MST103 sand surface polymer self-adhesive tape by using the MST103 sand surface polymer self-adhesive tape, and then adhering a second self-adhesive layer of the MST103 sand surface polymer self-adhesive tape to the outer surface of the pipeline and extending to the leveling layer through the root of the pipeline;
(4) removing floating sand on the surface of the sand surface layer of the MST103 sand surface macromolecule self-adhesive tape;
(5) coating polyurethane waterproof paint on the leveling layer for multiple times until the thickness of the formed polyurethane waterproof coating reaches the thickness required by the design, and extending the polyurethane waterproof coating formed by coating each time onto the pipeline through the root of the pipeline and covering the polyurethane waterproof coating on the sand surface layer of the MST103 sand surface macromolecule self-adhesive tape;
(6) and carrying out subsequent procedures according to design requirements.
10. A method of waterproofing a root of a through-wall or floor conduit according to claim 9, wherein: in the step (6), the subsequent process comprises the step of constructing a protective layer and/or a furring brick on the polyurethane waterproof coating.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110002689.1A CN112815153A (en) | 2021-01-04 | 2021-01-04 | Waterproof treatment method for root of through-wall or floor pipeline |
| PCT/CN2021/136460 WO2022143062A1 (en) | 2021-01-04 | 2021-12-08 | Waterproof treatment method for root of pipeline through wall or floor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110002689.1A CN112815153A (en) | 2021-01-04 | 2021-01-04 | Waterproof treatment method for root of through-wall or floor pipeline |
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| CN112815153A true CN112815153A (en) | 2021-05-18 |
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| CN202110002689.1A Pending CN112815153A (en) | 2021-01-04 | 2021-01-04 | Waterproof treatment method for root of through-wall or floor pipeline |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022143062A1 (en) * | 2021-01-04 | 2022-07-07 | 江苏凯伦建材股份有限公司 | Waterproof treatment method for root of pipeline through wall or floor |
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| WO2022143062A1 (en) | 2022-07-07 |
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