CN212053882U - Waterproof construction that has building and newly-built building contact - Google Patents
Waterproof construction that has building and newly-built building contact Download PDFInfo
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- CN212053882U CN212053882U CN201922315635.1U CN201922315635U CN212053882U CN 212053882 U CN212053882 U CN 212053882U CN 201922315635 U CN201922315635 U CN 201922315635U CN 212053882 U CN212053882 U CN 212053882U
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Abstract
The utility model discloses a waterproof structure for the contact between the existing building and the newly built building, which comprises an old wall body, a new wall body and a composite waterproof layer; the composite waterproof layer comprises a waterproof coating layer, a first waterproof mortar layer, a protective layer, a waterproof agent concrete layer and a second waterproof mortar layer; the sequence of each layer of the waterproof structure of the existing building and the newly-built building is as follows: the method comprises the following steps of (1) preparing a new wall body by using a waterproof mortar layer, a waterproof coating layer, a waterproof mortar layer, a protective layer, a waterproof concrete layer, a waterproof mortar layer and a waterproof mortar layer; the waterproof coating layer is a cement-based capillary crystalline waterproof coating; the waterproof agent concrete layer consists of 1: 1, mixing cement mortar and a cement-based capillary crystalline waterproofing agent; the thickness of the protective layer is not less than 25 mm. The utility model provides a have the waterproof construction of building and newly-built building contact had both kept old building, had still strengthened the waterproof performance of new building and old building simultaneously, had solved the waterproof problem that the shared part old building wall of new and old building produced.
Description
Technical Field
The utility model relates to a building field, especially a waterproof construction who has building and newly-built building contact.
Background
At present, renovation and transformation projects of old urban areas are continuously developed, more and more renovations and transformations are carried out to avoid dismantling old buildings, and old urban areas are transformed by building new buildings according to original walls of the old buildings. Because the construction technology of the old building is old, the waterproof performance of the new building directly depending on the old building is tired by the shared wall of the new building and the old building, and the problem of water leakage is caused.
Therefore, a waterproof structure for contacting the existing building with the newly-built building is needed, and the problem of water resistance generated by using part of the wall surfaces of the old building together with the new building and the old building is solved.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above disadvantages of the prior art, the present invention provides a waterproof structure for existing buildings and new buildings, which aims to solve the problem of waterproofing caused by the use of the old building wall surface in the new and old buildings.
The utility model provides a technical scheme that its technical problem adopted is:
a waterproof structure for the contact between the existing building and the newly built building comprises an old wall, a new wall and a composite waterproof layer;
the composite waterproof layer comprises a waterproof coating layer, a first waterproof mortar layer, a protective layer, a waterproof agent concrete layer and a second waterproof mortar layer;
the sequence of each layer of the waterproof structure of the existing building and the newly-built building in contact is as follows: the method comprises the following steps of (1) preparing a new wall body by using a waterproof mortar layer, a waterproof coating layer, a waterproof mortar layer, a protective layer, a waterproof concrete layer, a waterproof mortar layer and a waterproof mortar layer;
the waterproof coating layer is a cement-based capillary crystalline waterproof coating;
the waterproof agent concrete layer consists of 1: 1, mixing cement mortar and a cement-based capillary crystalline waterproofing agent;
the thickness of the protective layer is not less than 25 mm.
Preferably, the thickness of the waterproofing agent concrete layer is 2 ± 0.2 mm.
Preferably, the protective layer is a polystyrene extruded sheet.
Preferably, the polystyrene extruded sheet has a thickness of not less than 50 mm.
Preferably, the polystyrene extruded sheet is bonded to the first waterproof mortar layer and the waterproof agent concrete layer, respectively, using polyurethane glue.
Preferably, the thickness of the waterproof paint layer is not less than 20 mm.
Preferably, the waterproof coating layer comprises two cement-based capillary crystalline waterproof coating layers with mutually perpendicular painting directions.
Preferably, the thickness of the second waterproof mortar layer is not less than 50 mm.
Compared with the prior art, the beneficial effects of the utility model are that:
1) the utility model provides a have the waterproof construction of building and newly-built building contact relies on the original wall body of old building, sets up composite waterproof layer and new building wall body, has both kept old building, has still strengthened the waterproof performance of new building and old building simultaneously, has solved the waterproof problem that the shared part of new and old building wall produced.
2) By adopting the polystyrene extruded sheet as the protective layer, on one hand, excellent heat insulation and waterproof performance is obtained, and on the other hand, the polystyrene extruded sheet is light in weight, good in compression resistance and impact resistance and has certain flame retardant property. Especially, the shock resistance can relieve the deformation conflict of the new and old buildings caused by thermal expansion and cold contraction due to temperature change. In addition, the polyurethane glue is used, and due to the excellent low-temperature resistance, the technical scheme can be further suitable for the severe cold climate in winter in northern areas.
3) By using 1: 1, the waterproof agent concrete layer formed by mixing the cement mortar and the cement-based capillary crystalline waterproof agent can quickly finish waterproof construction and shorten the construction period by utilizing the characteristics of quick setting and early strength of the waterproof agent concrete layer.
4) The cement-based capillary crystalline waterproof coating is adopted in the wall, so that the waterproof and heat-insulating performance is excellent, and cracks with the width less than 0.4mm on the old wall can be repaired, so that the interior of the wall is more attractive and is easy to maintain.
Drawings
Fig. 1 is a section structure diagram of a waterproof structure of the present invention, which is in contact with a new building.
Wherein: 1: an old wall body; 2: a waterproof coating layer; 3: a first waterproof mortar layer; 4: a protective layer; 5: a waterproof agent concrete layer; 6: a second waterproof mortar layer; 7: and (5) a new wall body.
Detailed Description
The invention will now be further described with reference to the accompanying drawings, in which:
the first embodiment is as follows:
as shown in the attached figure 1, the waterproof structure for the contact between the existing building and the newly-built building comprises an old wall body 1, a new wall body 7 and a composite waterproof layer;
the composite waterproof layer comprises a waterproof coating layer 2, a first waterproof mortar layer 3, a protective layer 4, a waterproof agent concrete layer 5 and a second waterproof mortar layer 6;
the sequence of each layer of the waterproof structure of the existing building and the newly-built building in contact is as follows: the method comprises the following steps of 1, a waterproof coating layer 2, a first waterproof mortar layer 3, a protective layer 4, a waterproof agent concrete layer 5, a second waterproof mortar layer 6 and a new wall 7;
the waterproof coating layer 2 is a cement-based capillary crystalline waterproof coating, the thickness of the waterproof coating layer is not less than 20mm, and the waterproof coating layer comprises two layers of cement-based capillary crystalline waterproof coating layers 2 with mutually vertical brushing directions;
the waterproof agent concrete layer 5 is formed by mixing 1: 1, mixing cement mortar and a cement-based capillary crystalline waterproofing agent;
the protective layer 4 is a polystyrene extruded sheet with the thickness not less than 50 mm. The polystyrene extruded sheet is bonded with the first waterproof mortar layer 3 and the waterproof agent concrete layer 5 respectively by using polyurethane glue.
The thickness of the waterproof agent concrete layer 5 is 2 +/-0.2 mm.
The thickness of the second waterproof mortar layer 6 is not less than 50 mm.
The utility model discloses a theory of operation:
1) the utility model provides a have the waterproof construction of building and newly-built building contact relies on the original wall body of old building, sets up composite waterproof layer and new building wall body, has both kept old building, has still strengthened the waterproof performance of new building and old building simultaneously, has solved the waterproof problem that the shared part of new and old building wall produced.
2) By adopting the polystyrene extruded sheet as the protective layer 4, on one hand, excellent heat insulation and waterproof performance is obtained, and on the other hand, the polystyrene extruded sheet has light weight, good compression resistance and impact resistance and certain flame retardant property. Especially, the shock resistance can relieve the deformation conflict of the new and old buildings caused by thermal expansion and cold contraction due to temperature change. In addition, the polyurethane glue is used, and due to the excellent low-temperature resistance, the technical scheme can be further suitable for the severe cold climate in winter in northern areas.
3) By using 1: the waterproof agent concrete layer 5 formed by mixing the cement mortar and the cement-based capillary crystalline waterproof agent of the 1 can rapidly finish waterproof construction and shorten the construction period by utilizing the characteristics of quick setting and early strength of the waterproof agent.
4) The cement-based capillary crystalline waterproof coating is adopted in the wall, so that the waterproof and heat-insulating performance is excellent, and a crack with the width less than 0.4mm on the old wall 1 can be repaired, so that the interior of the wall is more attractive and is easy to maintain.
In conclusion, after the ordinary skilled in the art reads the document of the present invention, according to the present invention, the technical solution and technical concept of the present invention do not need creative mental labor to make other various corresponding transformation schemes, which all belong to the protection scope of the present invention.
Claims (8)
1. The utility model provides a waterproof construction of existing building and newly-built building contact which characterized in that: comprises an old wall body, a new wall body and a composite waterproof layer;
the composite waterproof layer comprises a waterproof coating layer, a first waterproof mortar layer, a protective layer, a waterproof agent concrete layer and a second waterproof mortar layer;
the sequence of each layer of the waterproof structure of the existing building and the newly-built building in contact is as follows: the method comprises the following steps of (1) preparing a new wall body by using a waterproof mortar layer, a waterproof coating layer, a waterproof mortar layer, a protective layer, a waterproof concrete layer, a waterproof mortar layer and a waterproof mortar layer;
the waterproof coating layer is a cement-based capillary crystalline waterproof coating;
the thickness of the protective layer is not less than 25 mm.
2. The waterproofing structure of an existing building in contact with a newly constructed building according to claim 1 wherein said waterproofing agent concrete layer has a thickness of 2 ± 0.2 mm.
3. The waterproof structure of an existing building in contact with a newly constructed building as claimed in claim 2, wherein said protective layer is a polystyrene extruded sheet.
4. The waterproof structure of an existing building in contact with a newly constructed building as claimed in claim 3, wherein said polystyrene extruded sheet has a thickness of not less than 50 mm.
5. The waterproofing structure of an existing building in contact with a newly constructed building according to claim 4 wherein said polystyrene extruded sheet is bonded to said first waterproofing mortar layer and said waterproofing agent concrete layer, respectively, using a polyurethane cement.
6. The waterproof structure of the existing building in contact with the newly built building as claimed in claim 5, wherein the thickness of said waterproof paint layer is not less than 20 mm.
7. The waterproof structure of an existing building in contact with a newly built building as claimed in claim 6, wherein said waterproof coating layer comprises two cement-based permeable crystallization type waterproof coating layers with mutually perpendicular painting directions.
8. The waterproof structure of an existing building in contact with a newly constructed building as claimed in claim 7, wherein said second waterproof mortar layer has a thickness of not less than 50 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922315635.1U CN212053882U (en) | 2019-12-21 | 2019-12-21 | Waterproof construction that has building and newly-built building contact |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922315635.1U CN212053882U (en) | 2019-12-21 | 2019-12-21 | Waterproof construction that has building and newly-built building contact |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212053882U true CN212053882U (en) | 2020-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922315635.1U Active CN212053882U (en) | 2019-12-21 | 2019-12-21 | Waterproof construction that has building and newly-built building contact |
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| CN (1) | CN212053882U (en) |
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- 2019-12-21 CN CN201922315635.1U patent/CN212053882U/en active Active
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