CN212671027U - Leakage-proof structure for terrace roof - Google Patents
Leakage-proof structure for terrace roof Download PDFInfo
- Publication number
- CN212671027U CN212671027U CN202020847022.2U CN202020847022U CN212671027U CN 212671027 U CN212671027 U CN 212671027U CN 202020847022 U CN202020847022 U CN 202020847022U CN 212671027 U CN212671027 U CN 212671027U
- Authority
- CN
- China
- Prior art keywords
- layer
- waterproof
- roof
- concrete
- leak protection
- Prior art date
- 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.)
- Active
Links
Images
Landscapes
- Building Environments (AREA)
Abstract
The utility model discloses a terrace roof anti-seepage structure, which comprises a roof structural slab, wherein the roof structural slab is cast by concrete, the bottom of the slab is horizontal, and the top of the slab is in a structure of slope; the internal corners between the roof structural plate and the connecting wall body and between the roof structural plate and the pipelines are fillets; the roof structure board is provided with a waterproof additional layer locally, and the local part comprises the root of the wall body, a pipeline, a flue and a concave angle of a water falling port; a coating waterproof layer, a protective isolation layer, a coiled material waterproof layer, a heat insulation layer, an isolation layer, a protective layer and a decorative layer are sequentially laid on the roof structural plate; for the part provided with the waterproof additional layer, the coating waterproof layer is laid above the part; a circle of through blind ditches are arranged in the heat preservation layer along the periphery of the terrace; the protective layer is poured by fine aggregate concrete, the poured fine aggregate concrete protective layer is divided into a plurality of blocks, gaps are reserved among the concrete blocks, and polyurethane sealant is filled in the gaps; the decorative layer is a smooth face brick. The utility model has the advantages of anti-leakage, heat preservation, etc.
Description
Technical Field
The utility model belongs to the waterproof field of building, concretely relates to balcony roofing seepage prevention structure.
Background
In modern building design, terraces are often the focus and difficulty of design due to the particularity of their location and function. This is because the terrace is close to outdoors and is partly in an open air form, and is susceptible to environmental influences such as temperature, rainwater, sunshine insolation, etc. Generally, the requirements on the terrace in the design are higher and higher, and the terrace is required to have the functions of water resistance, heat preservation, sun resistance, temperature difference resistance and the like.
At present, a terrace roof is generally designed by overlapping a plurality of waterproof layers, the more the number of the overlapped layers, the better the anti-leakage effect, the problem of high cost and construction cost for realizing the good anti-leakage effect is caused, and the anti-leakage effect cannot be considered when the cost and the construction cost are considered. Meanwhile, due to the special position of the terrace, under the environment with large temperature difference such as insolation, the roofing material is easy to generate local cracking due to expansion with heat and contraction with cold, thereby damaging the waterproof structure and causing the leakage problem. Therefore, the problems of high cost, poor anti-leakage effect, easy leakage and the like generally exist in the design of the conventional terrace roof, and an anti-leakage structure of the terrace floor with the anti-leakage effect, low cost and temperature difference influence resistance is required to be designed.
SUMMERY OF THE UTILITY MODEL
The utility model provides a balcony roofing seepage prevention structure to overcome prior art's defect.
In order to achieve the above object, the utility model provides a balcony roofing leak protection structure has such characteristic: the method comprises the following steps of pouring concrete on a roof structure plate, leveling the bottom of the plate, and making a slope on the top of the plate; the internal corners between the roof structural plate and the connecting wall body and between the roof structural plate and the pipelines are fillets; the roof structure board is provided with a waterproof additional layer locally, and the local part comprises the root of the wall body, a pipeline, a flue and a concave angle of a water falling port; a coating waterproof layer, a protective isolation layer, a coiled material waterproof layer, a heat insulation layer, an isolation layer, a protective layer and a decorative layer are sequentially laid on the roof structural plate; for the part provided with the waterproof additional layer, the coating waterproof layer is laid above the part; a circle of through blind ditches are arranged in the heat preservation layer along the periphery of the terrace; the protective layer is poured by fine aggregate concrete, the poured fine aggregate concrete protective layer is divided into a plurality of blocks, gaps are reserved among the concrete blocks, and polyurethane sealant is filled in the gaps; the decorative layer is a smooth face brick.
Further, the utility model provides a balcony roofing seepage prevention structure can also have such characteristic: the blind ditch is formed by laying non-woven fabrics on the inner wall and the bottom surface of a channel arranged in the heat preservation layer and filling broken stones in the non-woven fabrics.
Further, the utility model provides a balcony roofing seepage prevention structure can also have such characteristic: wherein, the waterproof additional layer is a polyurethane coating film with the thickness of 1.5mm, the width is not less than 250mm, and the rolling height is not less than 400 mm.
Further, the utility model provides a balcony roofing seepage prevention structure can also have such characteristic: wherein the coating waterproof layer is a polyurethane coating waterproof layer with the thickness of 2 mm.
Further, the utility model provides a balcony roofing seepage prevention structure can also have such characteristic: wherein, the protection isolation layer is a cement mortar layer with the thickness of 20 mm.
Further, the utility model provides a balcony roofing seepage prevention structure can also have such characteristic: wherein, the waterproof layer of the coiled material is an SBS coiled material waterproof layer with the thickness of 4 mm.
Further, the utility model provides a balcony roofing seepage prevention structure can also have such characteristic: wherein the heat-insulating layer is an extruded polystyrene board heat-insulating layer.
Further, the utility model provides a balcony roofing seepage prevention structure can also have such characteristic: wherein, the isolation layer is a polyethylene film isolation layer with the thickness of 0.4 mm.
Further, the utility model provides a balcony roofing seepage prevention structure can also have such characteristic: wherein, the protective layer is a C30 fine aggregate concrete rigid protective layer with the thickness of 50mm, and is internally provided with a single-layer bidirectional reinforcing mesh.
Further, the utility model provides a balcony roofing seepage prevention structure can also have such characteristic: wherein, the 3% structure of the roof structure board seeks the slope.
The beneficial effects of the utility model reside in that:
the waterproof structure comprises a layer-by-layer progressive waterproof and comprehensive integral waterproof structure formed by four waterproof layers (a coating waterproof layer, a coiled material waterproof layer, a fine aggregate concrete protective layer and a decorative layer formed by smooth face bricks).
Secondly, before the construction of a coating waterproof layer, the construction of an additional waterproof layer is firstly carried out on the root part of the wall body, the roofing pipeline, the flue, the internal corner of the water falling port and other parts which are easy to leak, the waterproof is strengthened in a targeted manner, and the problems of cost increase, construction difficulty and the like caused by the need of constructing multiple layers of waterproof layers are solved.
And thirdly, for the fine aggregate concrete protective layer, by setting up the gap and plugging the polyurethane sealant in the gap, the problems of cracking, influence on the waterproof effect and the like caused by expansion with heat and contraction with cold are avoided.
Drawings
FIG. 1 is a cross-sectional view of a leak-tight structure of a terrace roof;
fig. 2 is a cross-sectional view of a blind ditch portion.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1, the utility model provides a leak-proof structure for terrace roof, which comprises a roof structural plate 1.
The roof structure board 1 is poured by concrete, the bottom of the board is horizontal, and 3% of the board top structure is used for slope finding, namely when the roof structure board 1 is formed by pouring concrete, the concrete pouring of the middle part is higher than that of the two sides, and the middle part of the board top is higher than that of the two sides, so that water can be discharged from the middle to the water falling ports of the two sides.
The internal corners intersected between the roof structure board 1 and the wall connected with the roof structure board and the pipeline out of the roof or intersected with the roof are smeared to be round corners with the radius not less than 100mm, so that the subsequent laying construction of each layer is smoother. "junction" refers to the junction between the end of the roof structural panel 1 and the wall, and the junction between the pipes, flues, water falling ports, etc. in the roof structural panel 1 and the surrounding roof structural panels 1.
The part of easy hourglass water on roofing structural slab 1 is equipped with waterproof additional layer, and the part of easy hourglass includes wall body root, goes out roofing pipeline, flue, the reentrant corner department of mouth of falling into water, and waterproof additional layer can strengthen these waterproof performance of the position of easily leaking. The waterproof additional layer is a polyurethane coating film with the thickness of 1.5mm, the width of the polyurethane coating film is not less than 250mm, and the rolling height of the polyurethane coating film is not less than 400 mm.
Wherein, the wall body, the pipeline, the flue and the water falling port are all the structures of the terrace.
The roof structural slab 1 is sequentially paved with a film waterproof layer 2, a protective isolation layer 3, a coiled material waterproof layer 4, a heat preservation layer 5, an isolation layer 6, a protective layer 7 and a decorative layer 8.
For the part provided with the additional waterproof layer, the waterproof coating layer 2 is laid over it. The coating waterproof layer 2 is a polyurethane coating waterproof layer 2 with the thickness of 2 mm.
The protective isolation layer 3 is a cement mortar layer with the thickness of 20mm and the ratio of 1: 2.5, and plays a role in protection and isolation.
The waterproof layer 4 of the coiled material is an SBS coiled material waterproof layer with the thickness of 4 mm.
The insulating layer 5 is an extruded polystyrene board insulating layer. A circle of through blind ditches 51 are arranged in the insulating layer 5 along the periphery of the terrace. As shown in fig. 2, the blind ditch 51 is a channel provided in the heat insulating layer 5, and is configured by laying a nonwoven fabric 511 on the inner wall and bottom surface of the channel, and filling the nonwoven fabric 511 with crushed stone 512. The blind ditch 51 is communicated with the water falling port, and under the irradiation of the sun, water vapor in the heat preservation layer 5 can be discharged through the blind ditch 51 so as to ensure the heat preservation effect of the heat preservation layer 5.
The isolation layer 6 is a polyethylene film isolation layer with the thickness of 0.4 mm.
The protective layer 7 is formed by pouring fine aggregate concrete, the poured fine aggregate concrete protective layer 7 is divided into a plurality of blocks, and gaps are reserved among the concrete blocks. Polyurethane sealant 71 is plugged in the gap. The concrete construction method of the gap comprises the following steps: and arranging a plurality of battens before pouring, then pouring, and drawing out the battens after pouring to form gaps.
Protective layer 7 is the most close nature ground, easily receives ambient temperature influences such as sun exposure, and the pea gravel concrete can expend with heat and contract with cold and then produce the crack, and sets up the gap through the construction to pack the compressible polyurethane of packing in the gap and sealed can avoid the crack that the pea gravel concrete produced because of expend with heat and contract with cold. Meanwhile, the polyurethane sealant can be conveniently replaced after being aged.
Preferably, the protective layer 7 is a 50mm thick rigid protective layer of C30 fine-grained concrete with a single internal layer of bi-directional reinforcing mesh.
The decorative layer 8 is a smooth face brick, and the smooth face brick has a waterproof effect.
The process flow and the detailed method of the anti-seepage structure of the terrace roof are as follows:
1. the roof structural slab adopts concrete with smaller slump as far as possible on the premise of meeting construction conditions; roof concrete must be poured and tamped tightly to ensure the anti-permeability performance of the structural main body. And (5) calendering the primary pulp of the roof structural slab. The concrete guide wall with the thickness not less than 300mm-400mm must be poured on the wall body of the terrace contacted with the roof, and before the guide wall is poured, the concrete slab must be roughened.
2. And (4) performing a water closing test and structure repair, and performing a 24-hour structure water closing test after the roof structure plate is installed and the periphery of a roof pipeline, a flue, a water falling opening and the like is plugged.
3. The root parts of the base layer and the thin parts, the wall body, the pipeline and the like are provided with round corners with the radius not less than 100 mm.
4. Waterproof additional layer, external wall root, pipeline, flue, the reentrant corner part such as mouth of falling water is paintd and is formed waterproof additional layer: 1.5mm polyurethane coating film, width not less than 250mm, and rolling height not less than 400 mm.
5. A waterproof coating layer and a polyurethane waterproof coating layer with the thickness of 2 mm.
6. A protective isolation layer, a 20mm thick 1: 2.5 cement mortar protective layer and an isolation layer.
7. A waterproof layer of coiled material, a waterproof layer of 4mm SBS coiled material; the part of the water-proof material returning to the level of the roof building is coated with polymer cement water-proof paint, and the polymer cement water-proof material is lapped with the polyurethane coating film at the corner (the lapping width is 150) and the thickness is the same.
During construction, the full-pasting hot melting method is adopted, and detailed treatment of the positions, protruding out of the roof, of the rain inlet, the roof outlet pipeline and the like is firstly carried out. The coiled material should be spread immediately after the coiled material surface hot melting, and spread along inlet for stom water a circle from the lower part and paste, lap joint should be along the flowing water direction, and the overlap joint width of long limit and end is not less than 100 mm. Secondly, the coiled material is popped out according to the specification of the coiled material from the downhill of the flowing water slope and is laid and attached, the long direction of the coiled material is perpendicular to the flowing water slope, and the joints at the positive and negative corners are reduced when the coiled material is prepared. The inside and outside corners should be from bottom to top, so that the coiled material is attached to the inside and outside corners, and the coiled material cannot be pulled too tightly during spreading, and cannot be wrinkled or hollow. The width of the lap seam is not less than 100 mm; the overlapping seams of the short edges of two adjacent coiled materials on the same layer are staggered by not less than 500 mm; the lap seams of the long edges of the upper and lower layers of coiled materials are staggered and not less than 1/3 of the width; the lap seam is suitable to be left on the side surface of the roof and the gutter at the joint of the gutter and the roof, but not on the bottom of the gutter. The lap seam should be sewn and the cement should be overflowed, the overflowed cement should be 8mm, and should be uniform and straight. Fourthly, exhausting: after a roll of coiled material is laid, a clean and soft long-handle rolling brush is used for forcibly rolling once from one end of the coiled material to the transverse direction of the coiled material so as to eliminate air between the binding layers of the coiled material. Compacting: after air is removed, the flat part can be rolled by iron which is coated with rubber and has the length of 300mm and the weight of 30Kg, so that the coiled material is firmly bonded with the base layer, and the vertical part is rolled by a handheld compression roller.
8. After the waterproof layer of the coiled material is constructed, temporarily plugging the rainwater port, performing a 24-hour water closing test, wherein the water storage depth at the highest position of the roof is 30-50mm, and arranging a special person for inspection record; and (5) analyzing the reason for the leakage, rectifying, and closing the water again after the rectification is finished until no leakage occurs.
9. The thickness of the insulating layer and the extruded polystyrene board insulating layer is determined according to energy-saving calculation, and a circle of through drainage blind ditches are arranged along the periphery of the terrace.
10. An isolation layer and a 0.4mm polyethylene film isolation layer.
11. A protective layer, a C30 fine-stone concrete rigid protective layer with the thickness of 50mm and raw stock polishing. The steel bar is internally provided with a phi 6@100 single-layer bidirectional steel bar net piece, a 3m x 3m seam is divided (a circle of communicated open drain channel is arranged along the periphery of the terrace), the steel bar is broken in the seam, the width of the seam is 12mm, and asphalt factice is embedded in the seam.
Namely, the concrete strength grade of the fine aggregate concrete rigid protective layer is not lower than C30, the thickness is not less than 50mm, the spacing of dividing joints is not more than 4m, and the width of the joints is 10-20 mm. The welded steel bar net is adopted, the mesh is not more than 100mmX100mm, and the diameter of the net rib is not less than 4 mm. The standard spacing is 6m x 6m, and 3m x 3m is recommended here to facilitate free shrinkage of the concrete without uncontrolled cracking between the cell seams.
12. And finishing surface layer construction according to decoration drawings by the decoration layer.
Claims (10)
1. The utility model provides a balcony roofing seepage prevention structure which characterized in that:
the method comprises the following steps of pouring concrete on a roof structure plate, leveling the bottom of the plate, and making a slope on the top of the plate;
the internal corners between the roof structural plate and the connecting wall body and between the roof structural plate and the pipelines are fillets;
the roof structure board is provided with a waterproof additional layer locally, and the local part comprises the root of the wall body, a pipeline, a flue and a concave angle of a water falling port;
a coating waterproof layer, a protective isolation layer, a coiled material waterproof layer, a heat insulation layer, an isolation layer, a protective layer and a decorative layer are sequentially laid on the roof structural plate;
for the part provided with the waterproof additional layer, the coating waterproof layer is laid above the part;
a circle of through blind ditches are arranged in the heat preservation layer along the periphery of the terrace;
the protective layer is poured by fine aggregate concrete, the poured fine aggregate concrete protective layer is divided into a plurality of blocks, gaps are reserved among the concrete blocks, and polyurethane sealant is filled in the gaps;
the decorative layer is a smooth face brick.
2. The deck roofing leak protection structure of claim 1, wherein:
the blind ditch is formed by laying non-woven fabrics on the inner wall and the bottom surface of the channel and filling broken stones in the non-woven fabrics.
3. The deck roofing leak protection structure of claim 1, wherein:
wherein the waterproof additional layer is a polyurethane coating film with the thickness of 1.5mm, the width of the polyurethane coating film is not less than 250mm, and the rolling height of the polyurethane coating film is not less than 400 mm.
4. The deck roofing leak protection structure of claim 1, wherein:
wherein, the coating waterproof layer is a polyurethane coating waterproof layer with the thickness of 2 mm.
5. The deck roofing leak protection structure of claim 1, wherein:
wherein, the protection isolation layer is a cement mortar layer with the thickness of 20 mm.
6. The deck roofing leak protection structure of claim 1, wherein:
wherein, the coiled material waterproof layer is an SBS coiled material waterproof layer with the thickness of 4 mm.
7. The deck roofing leak protection structure of claim 1, wherein:
wherein, the heat preservation layer is an extruded polystyrene board heat preservation layer.
8. The deck roofing leak protection structure of claim 1, wherein:
wherein, the isolation layer is a polyethylene film isolation layer with the thickness of 0.4 mm.
9. The deck roofing leak protection structure of claim 1, wherein:
the protective layer is a C30 fine-stone concrete rigid protective layer with the thickness of 50mm, and a single-layer bidirectional reinforcing mesh is arranged in the protective layer.
10. The deck roofing leak protection structure of claim 1, wherein:
wherein, the 3% structure of the roof structure board is looked for the slope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020847022.2U CN212671027U (en) | 2020-05-20 | 2020-05-20 | Leakage-proof structure for terrace roof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020847022.2U CN212671027U (en) | 2020-05-20 | 2020-05-20 | Leakage-proof structure for terrace roof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212671027U true CN212671027U (en) | 2021-03-09 |
Family
ID=74811842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020847022.2U Active CN212671027U (en) | 2020-05-20 | 2020-05-20 | Leakage-proof structure for terrace roof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212671027U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113175162A (en) * | 2021-04-06 | 2021-07-27 | 湖北省工业建筑集团有限公司 | Thermal insulation construction method for roof XPS plate |
-
2020
- 2020-05-20 CN CN202020847022.2U patent/CN212671027U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113175162A (en) * | 2021-04-06 | 2021-07-27 | 湖北省工业建筑集团有限公司 | Thermal insulation construction method for roof XPS plate |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201695580U (en) | Inverted roof structure | |
| CN104153522B (en) | A kind of construction method of Sloping roof skyscraper asphalt shingle roofing water-proof system | |
| CN110080530B (en) | Anchoring construction method for glazed tile slope roof in severe cold region | |
| CN107313560B (en) | Reinforced waterproof roof of archaize building and construction method thereof | |
| CN205935437U (en) | Parapet wall body structure | |
| CN103276858B (en) | Drainage structure for inverted roof and construction method of drainage structure | |
| CN102912945B (en) | Roof compound seepage-proofing steam exhausting hole detail treatment technology | |
| CN110778062A (en) | Facing paving structure of floor heating area and construction method thereof | |
| CN109707114A (en) | Tile roofing antiskid construction technology engineering method | |
| CN112411901A (en) | Waterproof and heat-insulating construction process for roof deformation joint | |
| CN210713552U (en) | Roof structure with inverted concrete slab protection layer | |
| CN2929033Y (en) | External wall heat insulation structure of building water-proof and anti-cracks | |
| CN212671027U (en) | Leakage-proof structure for terrace roof | |
| CN104652716B (en) | Heat-insulating and waterproof system of planted roof and construction method thereof | |
| CN204252414U (en) | Roof covering water-proof structure | |
| CN112695959A (en) | Passive heat-bridge-free slope roof 300 mm-thick heat-insulation and decoration integrated construction process | |
| CN208329409U (en) | A kind of parapet of roofing water leak-proof structure | |
| CN208396162U (en) | A kind of thermal isolation by water storage roofing | |
| CN217128772U (en) | Inverted roof drainage structure | |
| CN212336545U (en) | Oblique roofing tile hanging anti-leakage structure | |
| CN214739146U (en) | Arc roofing structure | |
| CN104005503A (en) | Plane roof modularized structure | |
| CN211037568U (en) | Plant vegetation roof waterproof construction | |
| CN207776290U (en) | A kind of horizontal type water for flat roof waterproof system falls mouth structure | |
| CN113006388A (en) | Inverted overhead facing brick roof concealed-buried exhaust pipeline invisible structure and construction method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |