CN112211304A - External-sticking type water stop - Google Patents
External-sticking type water stop Download PDFInfo
- Publication number
- CN112211304A CN112211304A CN201910631462.6A CN201910631462A CN112211304A CN 112211304 A CN112211304 A CN 112211304A CN 201910631462 A CN201910631462 A CN 201910631462A CN 112211304 A CN112211304 A CN 112211304A
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- CN
- China
- Prior art keywords
- water stop
- externally
- attached water
- attached
- filler
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- E04B1/665—Sheets or foils impervious to water and water vapor
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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
- E04B1/6803—Joint covers
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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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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Building Environments (AREA)
Abstract
The invention provides an externally-attached water stop, wherein a filler is filled in an expansion joint or a settlement joint between adjacent concrete structures, the externally-attached water stop is sprayed on the surfaces of the concrete structures and the filler, the externally-attached water stop is formed by spraying a high polymer material, the width of the externally-attached water stop is more than 30mm, and the thickness of the externally-attached water stop is more than 0.1 mm. The externally-attached water stop belt has the advantages that the externally-attached water stop belt can be used for expansion joints and settlement joint parts of the pool wall and the building wall, is tightly combined with structures or buildings at the joint parts, and can be used for repairing and reinforcing water leakage prevention and water seepage prevention of the pool wall.
Description
Technical Field
The invention relates to the technical field of water stopping of buildings, expansion joints and settlement joints of the buildings, in particular to an externally-attached water stop belt.
Background
Expansion joints or settlement joints are required to be arranged on buildings and structures due to overlong structures and the like, and the expansion joints and the settlement joints are usually filled with flexible materials such as oil paste.
The expansion joint of reinforced concrete pond structure adopts a class flexible material to fill, sets up the rubber waterstop simultaneously at the middle part at the expansion joint, to the higher reinforced concrete pond of waterproof requirement, in order to realize multi-level waterproof, can also set up outer formula rubber waterstop in the bottom plate position of cell body.
The expansion joints and settlement joints of the pool wall of the pool and the wall of a building are generally filled with flexible materials, and a proper external-attached water stop cannot be arranged.
The water stops at the expansion joints and the settlement joints can be classified into buried rubber water stops and externally-attached rubber water stops, the externally-attached water stops are also called back-attached water stops, most of the existing markets are made of rubber, copper plates and other materials, the rubber water stops are made of natural rubber and various synthetic rubbers as main raw materials, various additives and fillers are added, and the rubber water stops are plasticated, mixed and pressed to form the water stops with various types and specifications, such as bridge type, mountain type, P type, U type and the like.
The externally-attached rubber water stop in the market at present can be tightly combined with concrete only by external pressure, so that the externally-attached rubber water stop can be used for the lower layer part of a bottom plate of a reinforced concrete pool and can be used for other parts with supports on the back of cast-in-place concrete. However, the rubber water stop cannot be used for a part without external support, for example, on the wall of a reinforced concrete pool, and the rubber water stop cannot be externally attached, and can easily fall off even if the rubber water stop is externally attached.
The buried rubber waterstop in the current market is installed and fixed in position before concrete is poured, the buried rubber waterstop is provided with tooth-shaped protrusions, and after the concrete is poured and solidified, the buried rubber waterstop is tightly combined with the concrete under the combined action of external pressure and the tooth-shaped protrusions; for some constructed buildings and structures, when waterproof repair and waterproof reinforcement are needed, the embedded rubber waterstops cannot be installed, so the embedded rubber waterstops on the market at present cannot be used for waterproof repair and waterproof reinforcement.
Disclosure of Invention
The invention overcomes the defects in the prior art, the externally-attached rubber waterstop is easy to fall off at the position without external support, and the embedded rubber waterstop cannot be used for waterproof repair and waterproof reinforcement.
The purpose of the invention is realized by the following technical scheme.
The externally-attached water stop is characterized in that a filler is filled in an expansion joint or a settlement joint between adjacent concrete structures, the surfaces of the concrete structures and the filler are sprayed with the externally-attached water stop, the externally-attached water stop is formed by spraying a high polymer material, the width of the externally-attached water stop is larger than 30mm, and the thickness of the externally-attached water stop is larger than 0.1 mm.
The high polymer material adopts pure polyurea or semi-polyurea.
And directly spraying polyurea on the surface of the expansion joint or the settlement joint for forming to obtain the externally-attached water stop.
The surface of the filler is flush with the surface of the adjacent concrete structure, the surface of the filler protrudes from the surface of the adjacent concrete structure or the surface of the filler is sunken below the surface of the adjacent concrete structure.
The filler is thermosetting resin filler.
The width of the externally-attached water stop is 30-1000 mm.
The external-attached water stop belt extends outwards for 100mm and 500mm from the center of the expansion joint or the settlement joint.
The total thickness of the external-attached water stop belt after being formed is 0.3-10 mm.
The external-sticking type water stop has the advantages that when the thickness is 1mm, the elongation rate reaches more than 100 percent; the adhesive force is formed between the externally-attached water stop and the surface of the concrete structure, the adhesive strength is more than 1MPa, and the adhesive force enables the externally-attached water stop to be tightly combined with the surface of the concrete structure, so that the water leakage prevention and seepage prevention effects are achieved.
The invention has the beneficial effects that: the externally-attached water stop belt can be used for expansion joints and settlement joint parts of pool walls and building walls and is tightly combined with structures or buildings at the joint parts, and the rubber water stop belts at the joint parts cannot be tightly arranged, so that the functions of water leakage prevention and water seepage prevention can be increased; the externally-attached water stop can be arranged after concrete on the wall of the water pool is solidified, can be arranged on the wall of a building, and can be used for repairing and reinforcing water leakage prevention and water seepage prevention of the wall of the water pool; the externally-adhered water stop can be formed on the solid surface in a spraying, coating, brushing and other modes, and is convenient and flexible to construct.
Drawings
FIG. 1 is a schematic structural view of the present invention;
in the figure: 1 is a concrete structure, 2 is a filler, and 3 is an externally attached water stop.
Detailed Description
The technical solution of the present invention is further illustrated by the following specific examples.
Example one
The externally-attached water stop is characterized in that a filler 2 is filled in an expansion joint or a settlement joint between adjacent concrete structures 1, the externally-attached water stop 3 is sprayed on the surfaces of the concrete structures 1 and the filler 2, the externally-attached water stop 3 is formed by spraying a high polymer material, the high polymer material is polyurea, the width of the externally-attached water stop 3 is larger than 100mm, and the thickness of the externally-attached water stop 3 is larger than 0.1 mm.
During construction, firstly, fillers are filled in the expansion joints or the settlement joints, then the prepared outer-attached water stop belt is sprayed on the surfaces of the concrete structures and the expansion joints or the settlement joints in a field spraying mode to achieve the purpose of waterproof repair, meanwhile, the outer-attached water stop belt can be suitable for positions which are subjected to waterproof operation but do not have external support, and due to the fact that the adhesive force of the outer-attached water stop belt is large, the outer-attached water stop belt cannot fall off even if the support without external force is used in the using process.
Example two
On the basis of the first embodiment, the surface of the filler 2 is flush with the surface of the adjacent concrete structure 1, the surface of the filler 2 protrudes from the surface of the adjacent concrete structure 1, or the surface of the filler 2 is recessed below the surface of the adjacent concrete structure 1.
The filler 2 is a thermosetting resin filler.
The surface of the filler protrudes out of the surface of the adjacent concrete structure or the surface of the filler is sunken below the surface of the adjacent concrete structure to form a concave-convex structure, the concave-convex structure can increase the contact area of the externally-attached water stop with the surface of the concrete structure and the surface of the filler structure, so that the bonding force of the externally-attached water stop is increased, the waterproof effect of the externally-attached water stop is improved, and the service life of the externally-attached water stop is prolonged.
EXAMPLE III
On the basis of the second embodiment, the width of the externally-attached water stop 3 is 30-1000 mm.
The external-sticking type water stop band 3 extends outwards for 100-500mm from the center of the expansion joint or the settlement joint.
The total thickness of the external water stop 3 after molding is 0.3-10 mm.
The external water stop 3 has an elongation of more than 100% when the thickness is 1 mm; the external water stop 3 and the surface of the concrete structure 1 have adhesive force, the adhesive strength is more than 1MPa, and the adhesive force enables the external water stop 3 and the surface of the concrete structure 1 to be tightly combined to play roles of water leakage prevention and water seepage prevention.
Spatially relative terms, such as "upper," "lower," "left," "right," and the like, may be used in the embodiments for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatial terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "lower" can encompass both an upper and a lower orientation. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
Moreover, relational terms such as "first" and "second," and the like, may be used solely to distinguish one element from another element having the same name, without necessarily requiring or implying any actual such relationship or order between such elements.
The invention has been described in an illustrative manner, and it is to be understood that any simple variations, modifications or other equivalent changes which can be made by one skilled in the art without departing from the spirit of the invention fall within the scope of the invention.
Claims (10)
1. An externally-attached water stop belt is characterized in that: filling filler into an expansion joint or a settlement joint between adjacent concrete structures, and spraying the externally-attached water stop belt on the surfaces of the concrete structures and the filler, wherein the externally-attached water stop belt is formed by spraying high polymer materials, the width of the externally-attached water stop belt is more than 30mm, and the thickness of the externally-attached water stop belt is more than 0.1 mm.
2. The externally applied water stop according to claim 1, wherein: the high polymer material adopts pure polyurea or semi-polyurea.
3. The externally applied water stop according to claim 1, wherein: the surface of the filler is flush with the surface of the adjacent concrete structure.
4. The externally applied water stop according to claim 1, wherein: the surface of the filler protrudes from the surface of the adjacent concrete structure.
5. The externally applied water stop according to claim 1, wherein: the surface of the filler is recessed below the surface of the adjacent concrete structure.
6. The externally applied water stop according to claim 1, wherein: the width of the externally-attached water stop is 30-1000 mm.
7. The externally applied water stop according to claim 1, wherein: the external-attached water stop belt extends outwards for 100mm and 500mm from the center of the expansion joint or the settlement joint.
8. The externally applied water stop according to claim 1, wherein: the total thickness of the external-attached water stop belt after being formed is 0.3-10 mm.
9. The externally applied water stop according to claim 8, wherein: the external-sticking type water stop has the advantages that when the thickness is 1mm, the elongation rate reaches more than 100 percent; the adhesive force is formed between the externally-attached water stop and the surface of the concrete structure, the adhesive strength is more than 1MPa, and the adhesive force enables the externally-attached water stop to be tightly combined with the surface of the concrete structure, so that the water leakage prevention and seepage prevention effects are achieved.
10. Use of an externally attached water stop according to any one of claims 1 to 9 for the in situ repair of an expansion joint or settlement joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910631462.6A CN112211304A (en) | 2019-07-12 | 2019-07-12 | External-sticking type water stop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910631462.6A CN112211304A (en) | 2019-07-12 | 2019-07-12 | External-sticking type water stop |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112211304A true CN112211304A (en) | 2021-01-12 |
Family
ID=74047898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910631462.6A Pending CN112211304A (en) | 2019-07-12 | 2019-07-12 | External-sticking type water stop |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112211304A (en) |
-
2019
- 2019-07-12 CN CN201910631462.6A patent/CN112211304A/en active Pending
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20210112 |
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| WD01 | Invention patent application deemed withdrawn after publication |