CN212026878U

CN212026878U - Waterproof repairing structure for roof raise

Info

Publication number: CN212026878U
Application number: CN202020620974.0U
Authority: CN
Inventors: 刘国华; 戴书陶; 廖树彬
Original assignee: Shenzhen Keshun 1056 Technology Co ltd
Current assignee: Keshun Building Repair Technology Co ltd
Priority date: 2020-04-22
Filing date: 2020-04-22
Publication date: 2020-11-27
Anticipated expiration: 2030-04-22

Abstract

The utility model discloses a waterproof structure of repairing of roofing courtyard, including flat roofing, lay in the courtyard among the flat roofing and lay in the waterproofing membrane of flat roofing and courtyard facade, flat roofing includes the structural layer and is located the top layer on the structural layer, be equipped with between courtyard and the flat roofing through the flat roofing of excavation and form, be located the gap between top layer and the courtyard, waterproofing membrane's middle section is impressed among the gap. The gap is formed at the joint of the patio and the flat roof by excavating the flat roof, and the middle section of the waterproof coiled material which is paved on the surface in the past is plugged into the gap, so that the waterproof coiled material is not easy to pull between the plane and the vertical surface, the sticking degree of the waterproof coiled material between the flat roof and the patio vertical surface is improved, more importantly, the gap is excavated and the waterproof coiled material is paved in a pressing mode to form a fine water collecting ditch between the patio vertical surface and the flat roof, and the water collecting ditch is favorable for guiding accumulated water to flow to the gap and finally to be drained away by guiding the accumulated water to a drain pipe.

Description

Waterproof repairing structure for roof raise

Technical Field

The utility model relates to a waterproof repair technical field, more specifically relates to a waterproof repair structure of roofing raise.

Background

Whether it is a tunnel, a bridge, a dam, a road, a building or a house which people live in daily life, the waterproof is a problem which cannot be ignored. The main structures of house buildings include foundations, walls, columns, buildings, floors, balconies, awnings, staircases, doors and windows, building roofs and the like, and the structures closely related to water proofing are building roofs, walls of main structures, foundations, floors, doors and windows, staircases, balconies and awnings. The roof is arranged on the top of the building and mainly used for preventing rain (snow) water and ultraviolet rays from entering a room and insulating the room. The structure of the building mainly comprises a structural layer, a slope finding layer, a leveling layer, a steam barrier layer, a heat preservation layer, a waterproof layer, a protective layer, a ventilation and heat insulation layer or a veneer and the like. Because of the needs of buildings, the roof is often provided with a water outlet, an air outlet, a chimney, an access hole, a skylight and a tiger window, or the roof is provided with equipment or used as a swimming pool, a sports ground, an apron and the like, so the roof structure is relatively complex and has high waterproof requirements.

Building roofs are often provided with patios in the flat roofs, surrounded by four low walls, forming open air spaces in the middle of the building for ventilation and light transmission.

As is well known, the waterproof material has aging characteristics, and after a building is used for a certain period of time, the phenomenon of water leakage and water seepage caused by the aging of a waterproof layer is inevitable, and the patio is not exceptional, especially at the joint of the patio and a flat roof, so that the waterproof material is an important part for the waterproof repair of the existing building besides the waterproof design of the roof of a newly-built building. For the waterproof repair of the parapet and the junction of the parapet and the patio, the prior art generally only focuses on leakage prevention and seepage prevention, but does not consider promoting the drainage of accumulated water. Therefore, there is a need for a waterproof repair structure for patios.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides an overcome above-mentioned prior art at least not enough, provide a new waterproof renovation structure of roofing raise, effectively prolong the service life of waterproof renovation structure, promote roofing ponding and discharge fast.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the utility model provides a roofing courtyard waterproof repair structure, includes flat roofing, lays the courtyard among the flat roofing and lays in the waterproofing membrane of flat roofing and courtyard facade, the flat roofing includes the structural layer and is located the top layer on the structural layer, be equipped with between courtyard and the flat roofing through the flat roofing of excavation and form, be located the gap between top layer and the courtyard, waterproofing membrane's middle section is impressed among the gap.

The utility model forms a gap at the joint of the courtyard and the flat roof through excavation and fills the middle section of the waterproof coiled material which is paved on the surface in the past into the gap, namely, when the waterproof coiled material is paved, the two ends of the waterproof coiled material are respectively paved on the flat roof and the vertical face of the courtyard, and the middle section of the waterproof coiled material which is long enough is reserved at the gap between the flat roof and the vertical face of the courtyard, and then the middle section of the waterproof coiled material which is specially reserved is filled into the gap formed by excavation, therefore, the waterproof coiled material is not easy to form mutual dragging between the plane and the vertical face, which is beneficial to improving the attaching degree of the waterproof coiled material between the flat roof and the vertical face of the courtyard, more importantly, the excavation of the gap and the press-in laying of the waterproof coiled material can form a tiny water collecting ditch between the vertical face of the courtyard and the flat roof, which is beneficial to guiding accumulated water, and ultimately to a drain for removal. Preferably, the width of gap is 5 ~ 30mm, can enough satisfy filling in of waterproofing membrane, can form tiny catch basin again after waterproofing membrane fills in, promotes dredging and discharging of ponding on the flat roof.

In order to avoid seeper which is dredged and flows to a water collecting ditch formed by the gaps from seeping into the waterproof layer formed by the waterproof coiled material, the tail end of the waterproof coiled material paved on the surface of the patio is higher than the surface of the flat roof, so that the seeper is prevented from forming a leakage gap and further seeping into the lower part of the waterproof coiled material through the leakage gap due to the fact that the waterproof coiled material is soaked for a long time when the gaps stop, and the waterproof reliability is improved. Preferably, the tail end of the waterproof coiled material paved on the surface of the courtyard is 200-500 mm higher than the surface of the flat roof.

The waterproof coiled material laid on the surface of the patio is laid along the vertical face, the tail end of the waterproof coiled material faces the sky, once the waterproof coiled material is not firmly adhered to the vertical face of the patio, water vapor possibly permeates into the patio structure from the position, for this purpose, the tail end of the waterproof coiled material laid on the surface of the patio is cut into the patio, namely, a seam with an opening facing downwards in an inclined mode is formed in the vertical face of the patio, and the tail end of the waterproof coiled material is plugged into the seam.

Generally speaking, in the junction of two structures, because the existence of effort each other can constitute to the waterproof layer and pull unavoidably for the waterproof layer of this department damages comparatively easily, for this reason, the utility model discloses adopt double-deck waterproofing membrane in the junction of courtyard and flat roofing to improve the tensile strength of waterproof layer, waterproofing membrane includes nexine waterproofing membrane and top layer waterproofing membrane, top layer waterproofing membrane covers nexine waterproofing membrane at least completely, and top layer waterproofing membrane covers nexine waterproofing membrane completely makes and falls on the water on top layer waterproofing membrane and follow the eminence along the slope flow direction courtyard and can not touch nexine waterproofing membrane when flat roofing junction, is favorable to improving the life of junction.

The mode of laying cement mortar is usually adopted to find the slope or make level for traditional newly-built roof waterproofing or existing roof waterproofing repair, but to large-scale roofing, especially the discontinuous flat roofing, for example the roofing of raise laid in the middle, the mode of laying cement mortar is adopted to find the slope and is obviously difficult to be suitable for, not only the construction degree of difficulty is big, and large tracts of land is laid cement mortar and is difficult to avoid appearing the crack because of expending with heat and contracting with cold in the use, is unfavorable for guaranteeing newly-repaired waterproof construction's life, for this reason, roof raise waterproofing repair structure is still including laying the extruded sheet under flat roofing surface, waterproof coiled material, the utility model discloses creatively propose the mode of laying the extruded sheet and realize finding the slope on large-scale, discontinuous flat roofing, not only reduced the construction degree of difficulty, avoided the production of crack, but also have certain heat preservation effect.

The roof raise waterproof repairing structure further comprises a concrete layer poured on the waterproof roll, the waterproof roll can be better attached to the roof by covering the concrete layer, the waterproof roll can be prevented from being directly exposed in the atmosphere, and the aging speed of the waterproof layer is reduced. Preferably, concrete integrated with the concrete layer is embedded on the waterproof roll material in the gap, so that ponding is further promoted to be dredged, and particularly, water in the concrete layer is dredged.

Compared with the prior art, the utility model has following beneficial effect: the utility model forms a gap at the joint of the courtyard and the flat roof through excavation and fills the middle section of the waterproof coiled material which is paved on the surface in the past into the gap, namely, when the waterproof coiled material is paved, the two ends of the waterproof coiled material are respectively paved on the flat roof and the vertical face of the courtyard, and the middle section of the waterproof coiled material which is long enough is reserved at the gap between the flat roof and the vertical face of the courtyard, and then the middle section of the waterproof coiled material which is specially reserved is filled into the gap formed by excavation, therefore, the waterproof coiled material is not easy to form mutual dragging between the plane and the vertical face, which is beneficial to improving the attaching degree of the waterproof coiled material between the flat roof and the vertical face of the courtyard, more importantly, the excavation of the gap and the press-in laying of the waterproof coiled material can form a tiny water collecting ditch between the vertical face of the courtyard and the flat roof, which is beneficial to guiding accumulated water, and ultimately to a drain for removal.

Drawings

Fig. 1 is a schematic structural view of a patio and a flat roof.

Fig. 2 is a schematic view of the water-proof repair of the flat roof shown in part a of fig. 1.

Fig. 3 is a first schematic view of the waterproof repair of the patio shown in section B of fig. 1.

Fig. 4 is a partially enlarged view of portion C of fig. 3.

Fig. 5 is a second schematic view of the waterproof repair of the patio shown in section B of fig. 1.

Fig. 6 is a partially enlarged view of a portion D in fig. 5.

Fig. 7 is a partially enlarged view of a portion E in fig. 5.

Description of reference numerals: the flat roof 100, the structural layer 110, the surface layer 120, the patio 220, the extruded sheet 310, the inner waterproof coiled material 320, the surface waterproof coiled

materials

330 and 340, and the gap 400.

Detailed Description

The drawings are for illustrative purposes only and are not to be construed as limiting the invention; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted; the positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the invention. The present invention will be described in further detail with reference to specific embodiments.

Example 1

A roof courtyard waterproof repairing structure comprises a flat roof 100, courtyards 220 distributed in the flat roof 100 and waterproof rolls laid on the vertical surfaces of the flat roof 100 and the courtyards 220 as shown in figure 1, wherein the flat roof 100 comprises a structural layer 110 and a surface layer 120 positioned on the structural layer 110 as shown in figure 2, a gap 400 formed by excavating the flat roof 100 and positioned between the surface layer 120 and the courtyards 220 is arranged between the courtyards 220 and the flat roof 100 as shown in figures 3-6, and the middle section of the waterproof rolls is pressed into the gap 400.

The utility model discloses at raise 220 and flat roofing 100 junction through excavation flat roofing 100 formation gap 400, and fill in gap 400 with the middle section of the waterproofing membrane of spreading in the surface in the past, lay the both ends of waterproofing membrane respectively on flat roofing 100 and raise 220 facade and leave enough length in the waterproofing membrane middle section of neither laying in flat roofing 100 nor laying in raise 220 facade between flat roofing 100 and raise 220 facade, then fill in the gap 400 that the excavation formed in the waterproofing membrane middle section that should specially leave into, therefore, waterproofing membrane is difficult for forming mutual dragging between plane and facade, help improving the fit degree of waterproofing membrane between flat roofing 100 and raise 220 facade, more importantly, the excavation of gap 400 and the press-in laying of waterproofing membrane can form a tiny gully between raise 220 and flat roofing 100, is favorable for guiding accumulated water to flow to the gap 400 and finally to the drain pipe to be drained away. Preferably, the width of gap 400 is 5 ~ 30mm, can enough satisfy waterproof roll's filling in, can form tiny catch basin again after waterproof roll fills in, promotes dredging and discharging of 100 last ponding of flat roof.

Example 2

As an improvement of the above embodiment, in order to prevent the seeper guided to flow into the water collecting channel formed by the gap 400 from seeping into the waterproof layer formed by the waterproof roll, the end of the waterproof roll laid on the surface of the patio 220 is higher than the surface of the flat roof 100, so as to prevent the seeper from forming a leakage gap due to the degumming of the waterproof roll caused by the long-time soaking of the waterproof roll when the seeper stays in the gap 400, and further seeping into the lower part of the waterproof roll through the gap, thereby improving the reliability of waterproofing. Preferably, the tail end of the waterproof roll paved on the surface of the courtyard 220 is 200-500 mm higher than the surface of the flat roof 100.

The waterproof roll laid on the surface of the patio 220 is laid along the vertical surface, the tail end of the waterproof roll faces the sky, once the waterproof roll is not firmly adhered to the vertical surface of the patio 220, moisture can possibly permeate into the structure of the patio 220 from the position, for this purpose, as shown in fig. 7, the tail end of the waterproof roll laid on the surface of the patio 220 is cut into the patio 220, namely, a seam with an opening facing obliquely downwards is formed on the vertical surface of the patio 220, and the tail end of the waterproof roll is plugged into the seam.

Example 3

As the improvement scheme of above-mentioned embodiment, generally speaking, in the junction of two structures, because the existence of effort each other can constitute to the waterproof layer and pull unavoidably for the waterproof layer of this department damages comparatively easily, for this reason, the utility model discloses adopt double-deck waterproofing membrane in the junction of courtyard 220 and flat roofing 100 to improve the tensile strength of waterproof layer, waterproofing membrane includes nexine waterproofing membrane 320 and top layer 120 waterproofing membrane, top layer 120 waterproofing membrane covers nexine waterproofing membrane 320 at least completely, and top layer 120 waterproofing membrane covers nexine waterproofing membrane 320 completely and makes the water that falls on top layer 120 waterproofing membrane follow eminence and can not touch nexine waterproofing membrane 320 when flowing to courtyard 220 and flat roofing 100 junction along the slope, is favorable to improving the life of junction.

Example 4

As an improvement of the above embodiment, the slope finding or leveling is usually performed by paving cement mortar in the traditional new roof waterproofing or existing roof waterproofing repair, but for large-scale roofs, especially for discontinuous flat roofs, such as roofs with patios 220 arranged in the middle, the slope finding by paving cement mortar is obviously difficult to apply, the construction difficulty is large, and the large-area paving cement mortar is difficult to avoid cracks caused by thermal expansion and cold contraction in the using process, which is not favorable for ensuring the service life of the newly repaired waterproofing structure, for this reason, as shown in fig. 2, the roofing patio 220 waterproofing repair structure further comprises an extruded sheet 310 laid on the surface of the flat roof 100 and below the waterproofing roll, and the utility model innovatively proposes that the slope finding is performed on the large-scale discontinuous flat roof by paving the extruded sheet 310, thereby not only reducing the construction difficulty, Avoids the generation of cracks and has certain heat preservation effect.

Example 5

As an improvement of the above embodiment, the roof patio 220 is further provided with a concrete layer poured on the waterproof roll, and the concrete layer is covered to enable the waterproof roll to better adhere to the roof, prevent the waterproof roll from being directly exposed to the atmosphere, and reduce the aging speed of the waterproof layer. Preferably, concrete integrated with the concrete layer is embedded in the waterproof roll material in the gap 400, so as to further promote the drainage of accumulated water, especially the drainage of moisture in the concrete layer.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The utility model provides a roofing courtyard waterproof repair structure, includes flat roofing, lays the courtyard among the flat roofing and lays the waterproofing membrane in flat roofing and courtyard facade, flat roofing includes the structural layer and is located the top layer on the structural layer, its characterized in that, be equipped with between courtyard and the flat roofing through the flat roofing of excavation and form, be located the gap between top layer and the courtyard, waterproofing membrane's middle section is impressed among the gap.

2. The roofing patio waterproofing and repairing structure according to claim 1, wherein the ends of the waterproofing rolls laid on the patio surface are higher than the flat roofing surface.

3. The roof patio waterproof renovation structure according to claim 2, wherein the end of the waterproof roll material laid on the patio surface is 200-500 mm higher than the flat roof surface.

4. A rooftop patio waterproofing structure according to claim 2 or 3, wherein the ends of the waterproofing rolls laid on the patio surface are cut into the patio.

5. The waterproof repair structure for roof patios according to claim 1, wherein the width of the gap is 5-30 mm.

6. The roofing patio waterproofing and repair structure according to claim 1, wherein the waterproofing membrane comprises an inner waterproofing membrane and a surface waterproofing membrane, the surface waterproofing membrane covering at least the inner waterproofing membrane completely.

7. The roofing patio waterproofing repair structure according to claim 1, further comprising an extruded sheet laid on a flat roofing surface beneath the waterproofing membrane.

8. The roofing patio waterproofing repair structure according to claim 1, wherein the roofing patio waterproofing repair structure further comprises a layer of concrete poured over the waterproofing membrane.

9. The roofing patio waterproofing structure according to claim 8 wherein the waterproofing membrane in the gap is filled with concrete integrated with the concrete layer.