CN220133286U - Composite waterproof structure for large-span strong vibration roof - Google Patents
Composite waterproof structure for large-span strong vibration roof Download PDFInfo
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- CN220133286U CN220133286U CN202320886097.5U CN202320886097U CN220133286U CN 220133286 U CN220133286 U CN 220133286U CN 202320886097 U CN202320886097 U CN 202320886097U CN 220133286 U CN220133286 U CN 220133286U
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- 239000002131 composite material Substances 0.000 title claims abstract description 43
- 239000010426 asphalt Substances 0.000 claims abstract description 32
- 229920001971 elastomer Polymers 0.000 claims abstract description 31
- 229920002397 thermoplastic olefin Polymers 0.000 claims abstract description 20
- 239000000806 elastomer Substances 0.000 claims abstract description 6
- 238000003825 pressing Methods 0.000 claims description 20
- 239000000565 sealant Substances 0.000 claims description 12
- 239000004568 cement Substances 0.000 claims description 10
- 239000004745 nonwoven fabric Substances 0.000 claims description 9
- 238000002955 isolation Methods 0.000 claims description 8
- 238000011144 upstream manufacturing Methods 0.000 claims description 7
- 239000004744 fabric Substances 0.000 claims description 2
- 238000010276 construction Methods 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 26
- 230000000694 effects Effects 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 230000002411 adverse Effects 0.000 abstract description 2
- 238000012545 processing Methods 0.000 abstract description 2
- 230000001932 seasonal effect Effects 0.000 abstract description 2
- 238000003860 storage Methods 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 abstract description 2
- 239000011248 coating agent Substances 0.000 description 11
- 238000000576 coating method Methods 0.000 description 11
- 239000003973 paint Substances 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 3
- 229920002943 EPDM rubber Polymers 0.000 description 2
- 239000004746 geotextile Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000002844 continuous effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000004587 polysulfide sealant Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
Landscapes
- Roof Covering Using Slabs Or Stiff Sheets (AREA)
Abstract
The utility model provides a composite waterproof structure for a large-span strong vibration roof, which adopts four different types of waterproof materials, namely a non-cured rubber asphalt waterproof layer, an elastomer modified asphalt waterproof layer, a thermoplastic polyolefin waterproof layer and a composite drain board to form a novel composite waterproof system suitable for the roof of a large-span hydropower station plant, and the feasibility of the novel composite waterproof system is verified by combining with field tests, so that the adverse effects of the roof of the plant on unit start-stop, flood discharge, large span, seasonal temperature difference and the like are overcome, the water leakage problem of the main roof of the hydropower station plant is effectively solved, the stable operation of the unit is ensured, and the novel composite waterproof system has positive promotion significance for the storage places of other important equipment facilities like hydropower stations, precision instrument processing rooms, military industry plants and the like.
Description
Technical Field
The utility model relates to the field of waterproofing, in particular to a composite waterproof structure for a large-span strong vibration roof.
Background
Along with the high-speed development of water and electricity industry in China, the application of the huge hydroelectric generating set is gradually increased, the single-machine capacity and the single-machine volume of the hydroelectric generating set are continuously increased, and accordingly hydropower plants, particularly the spans of the plants, are increased. Because of complex environmental conditions and running conditions, roof waterproof problems of large-span hydropower plants in long-term service periods are prominent. Therefore, an effective roof waterproof technology is developed, a roof waterproof structure is maintained, the requirements for guaranteeing safe operation of the giant hydroelectric generating set of the hydropower station are met, and the waterproof structure is one of important operation and maintenance work of the hydropower station.
For large-span hydropower plants with complex structural forms and stress conditions, the conventional waterproof technical scheme for the existing building roof is generally difficult to obtain a reliable waterproof effect. Therefore, the research on the waterproof technology of the large-span hydropower station plant roof is developed, the method has important practical significance for guaranteeing the safe operation of the hydropower station, and has reference value for the research on the waterproof technology of the large-span hydropower station plant roof in China.
Waterproof materials used for the factory building roofs of the hydropower stations are waterproof materials with good effects, such as an XJB hydropower station uses an ethylene propylene diene monomer waterproof roll as the waterproof material of the factory building roofs, a GZB hydropower station uses a sex SBS modified asphalt waterproof roll and a polyurethane waterproof coating as the waterproof material of the factory building roofs, and an SX hydropower station uses the ethylene propylene diene monomer waterproof roll and a polysulfide sealant as the waterproof material of the factory building roofs. The traditional methods of building roofs in the market at present mainly comprise the following steps: the waterproof coating is singly used, and is suitable for the bathroom waterproof treatment of residential communities in home wear; cement-based and two-layer self-adhesive waterproof coiled materials (BAC) are suitable for common residential communities and industrial factory building roofs in south areas; the two-layer hot-melt modified asphalt waterproof coiled material (SBS) is suitable for weather drying areas; the polymer waterproof coiled material (TPO) is suitable for the waterproof treatment of the metal structure roof.
Disclosure of Invention
The utility model mainly aims to provide a composite waterproof structure for a large-span strong vibration roof, which solves the problems in the background art.
In order to solve the technical problems, the utility model adopts the following technical scheme: the waterproof structure comprises a roof integral waterproof section, a roof gutter and parapet waterproof section, a roof skylight waterproof section and a roof fan opening waterproof section;
each waterproof section is sequentially paved with a non-cured rubber asphalt waterproof layer, two layers of elastomer modified asphalt waterproof layers and a thermoplastic polyolefin waterproof layer.
Preferably, a non-woven fabric isolation layer, a composite drain board and a cement-based composite cover plate are also laid on the thermoplastic polyolefin waterproof layer in the integral waterproof section of the roof in sequence.
Preferably, fixing grooves are formed in the parapet walls in the roof gutter and the parapet wall waterproof section, and the end parts of the waterproof layers are fixed in the fixing grooves through closing-in of pressing strips and sealed through sealant;
the two sides of the bottom of the gutter at the upstream side of the roof are provided with pressing strips, and each waterproof layer is fixedly and tightly attached to the wall body by the pressing strips;
a layer of thermoplastic polyolefin waterproof layer is laid at the bottom of the gutter at the upstream side of the roof.
Preferably, the waterproof sections of the roof skylight are provided with plugging Wang Yuanhu chamfers at the positions of the non-cured rubber asphalt waterproof layer, the roof skylight elevation and the roof internal corners, and the ends of the waterproof layers are positioned at the top of the roof skylight elevation, are closed and fixed through pressing strips and are sealed through sealant.
Preferably, the non-cured rubber asphalt waterproof layer, the roofing fan mouth elevation and the roofing internal corner are provided with plugging Wang Yuanhu chamfers, and the thermoplastic polyolefin waterproof layer is also sequentially paved with a non-woven fabric isolation layer, a composite drain board and a cement-based composite cover plate;
the ends of the waterproof layers are positioned at the top of the vertical face of the roof fan opening, are closed and fixed through pressing strips, and are sealed through rubber gaskets and sealant.
Preferably, geotechnical cloth is arranged in the composite drain board, and the convex surface of the composite drain board faces upwards.
The utility model provides a composite waterproof structure for a large-span strong vibration roof, which adopts four different types of waterproof materials, namely a non-cured rubber asphalt waterproof layer, an elastomer modified asphalt waterproof layer, a thermoplastic polyolefin waterproof layer and a composite drain board to form a novel composite waterproof system suitable for the roof of a large-span hydropower station plant, and the feasibility of the novel composite waterproof system is verified by combining with field tests, so that the adverse effects of the roof of the plant on unit start-stop, flood discharge, large span, seasonal temperature difference and the like are overcome, the water leakage problem of the main roof of the hydropower station plant is effectively solved, the stable operation of the unit is ensured, and the novel composite waterproof system has positive promotion significance for the storage places of other important equipment facilities like hydropower stations, precision instrument processing rooms, military industry plants and the like.
Drawings
The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:
FIG. 1 is a schematic view of the overall waterproof section of the roof of the present utility model;
FIG. 2 is a schematic view of a roof gutter and parapet waterproof section of the present utility model;
FIG. 3 is a schematic view of a roof skylight waterproof section of the present utility model;
FIG. 4 is a schematic view of a roof fan port waterproof section of the present utility model;
in the figure: a space plate 1; a non-cured rubber asphalt waterproof layer 2; an elastomer modified asphalt waterproof layer 3; a thermoplastic polyolefin waterproof layer 4; a nonwoven fabric separator layer 5; a composite drain plate 6; a cement-based composite cover plate 7; a fixing groove 8; and a pressing bar 9.
Detailed Description
Example 1
1-4, the composite waterproof structure for the large-span strong vibration roof comprises a roof integral waterproof section, a roof gutter and parapet waterproof section, a roof skylight waterproof section and a roof fan opening waterproof section;
each waterproof section is sequentially paved with a non-cured rubber asphalt waterproof layer 2, two layers of elastomer modified asphalt waterproof layers 3 and a thermoplastic polyolefin waterproof layer 4. The whole roof is paved by space plates 1. When a waterproof layer is paved, firstly, a base layer is cleaned, the base surface is required to be flat, clean and dry, no sharp protrusions exist, all holes are required to be repaired by cement mortar, defects such as honeycomb pitting surface and the like are required to be repaired, and an interface agent is coated; then, the non-cured rubber asphalt waterproof paint is firstly coated with an additional layer of the internal and external corners, and special parts such as a wall penetrating pipe orifice and the like are coated with the non-cured rubber asphalt waterproof paint in a large area after meeting the requirements. The coating is uniformly coated on the base surface by a brush or a rubber scraper, the coating is coated for the second time after the first time is dried, the coating direction is mutually perpendicular to the first time, the coating direction of the third time is the same as the first time, the coating is repeatedly performed so as to reach the design thickness, and a coiled material waterproof layer is paved. And finally, fully rolling the lap joint by using a press roller under uniform pressure to ensure complete adhesion between coiled materials, forming an integral sealing and continuous effect, and paying attention to protection after the lamination is finished so as to prevent the waterproof layer from being damaged and waiting for acceptance.
Preferably, the thermoplastic polyolefin waterproof layer 4 in the integral waterproof section of the roof is further paved with a non-woven fabric isolation layer 5, a composite drain board 6 and a cement-based composite cover board 7 in sequence. As shown in fig. 1, the whole roof is coated with a special non-cured rubber asphalt waterproof paint with the thickness of 2 mm; paving 2 layers of the SBS modified asphalt waterproof coiled material with the thickness of 3 mm; laying a layer of thermoplastic polyolefin TPO waterproof coiled material with the thickness of 1.5mm in an empty way; paving a non-woven fabric isolation layer 5 of 200 g/square meter; the composite drain board 6 is laid and installed with geotextile with the boss upwards, and then a layer of cement-based composite cover board 7 is laid.
Preferably, fixing grooves 8 are formed in the parapet walls in the roof gutter and the parapet wall waterproof section, and the end parts of the waterproof layers are closed and fixed in the fixing grooves 8 through pressing strips 9 and sealed through sealant;
the two sides of the bottom of the gutter at the upstream side of the roof are provided with pressing strips 9, and each waterproof layer is fixedly and tightly attached to the wall body by the pressing strips 9;
a layer of thermoplastic polyolefin waterproof layer 4 is also paved at the bottom of the gutter at the upstream side of the roof. As shown in fig. 2, the whole is coated with a special non-cured rubber asphalt waterproof paint with the thickness of 2mm, and parapet wall is coated to the position of the fixed groove 8; paving 2 layers of the SBS modified asphalt waterproof coiled material with the thickness of 3mm, wherein the paving range is the same as the coating range of the special non-cured rubber asphalt waterproof paint; a layer of thermoplastic polyolefin TPO waterproof coiled material with the thickness of 1.5mm is laid in the air, and the laying range is the same as the coating range of the special non-cured rubber asphalt waterproof paint; laying a layer of thermoplastic polyolefin TPO waterproof coiled material with the thickness of 1.5mm in an empty way, wherein the laying range is the bottom of a gutter on the upstream side of a roof; the distance between the fixed groove 8 and the bottom of the roof gutter is not less than 250mm, the closing-in position is fixed by using a pressing strip 9, and waterproof treatment is performed by using sealant.
Preferably, the waterproof sections of the roof skylight are provided with plugging Wang Yuanhu chamfers at the non-cured rubber asphalt waterproof layer 2, the roof skylight elevation and the roof internal corners, and the ends of the waterproof layers are positioned at the top of the roof skylight elevation, are closed and fixed through the pressing strips 9 and are sealed through sealant. As shown in fig. 3, the vertical surface of the roof skylight and the internal corner of the roof are chamfered by using a waterproof plugging Wang Ma arc; 2mm thick special non-cured rubber asphalt waterproof paint is coated, wherein the coating range comprises a roof plane and a roof skylight elevation; paving 2 layers of the SBS modified asphalt waterproof coiled material with the thickness of 3mm, wherein the paving range of the waterproof coiled material comprises a roof plane and a roof skylight elevation; a layer of thermoplastic polyolefin TPO waterproof coiled material with the thickness of 1.5mm is laid in the air, and the laying range of the waterproof coiled material comprises a roof plane and a roof skylight elevation. The ends of the waterproof layers are positioned at the top of the vertical face of the roof skylight, are closed and fixed through pressing strips 9 and are sealed through sealant.
Preferably, the non-cured rubber asphalt waterproof layer 2, the elevation of the roof fan opening and the internal corner of the roof are provided with plugging Wang Yuanhu chamfers, and the thermoplastic polyolefin waterproof layer 4 is also sequentially paved with a non-woven fabric isolation layer 5, a composite drain board 6 and a cement-based composite cover board 7;
the ends of the waterproof layers are positioned at the top of the vertical face of the roof fan opening, are closed and fixed through pressing strips 9, and are sealed through rubber gaskets and sealant. As shown in fig. 4, the vertical surface of the roof fan and the internal corner of the roof are chamfered by using a waterproof plugging Wang Ma arc; 2mm thick special non-cured rubber asphalt waterproof paint is coated, wherein the coating range comprises a roof plane and a roof fan opening vertical surface; paving 2 layers of the SBS modified asphalt waterproof coiled material with the thickness of 3mm, wherein the paving range of the waterproof coiled material comprises a roof plane and a roof fan opening elevation; a layer of thermoplastic polyolefin TPO waterproof coiled material with the thickness of 1.5mm is laid in the air, and the laying range of the waterproof coiled material comprises a roof plane and a roof fan opening elevation; paving a non-woven fabric isolation layer 5 with the concentration of 200 g/square meter, wherein the paving range comprises a roof plane and a roof fan opening vertical surface; the composite drain board 6 is paved and installed with geotextile with the boss upwards, and the paving range comprises a roof plane and a roof fan opening elevation; installing a cement-based composite cover plate 7, wherein the installation range comprises a roof plane and a roof fan opening vertical surface; the fixed part of the coiled material closing-in pressing strip is arranged at the top of the vertical face of the roof fan, a rubber gasket is arranged, the closing-in part is fixed by using the pressing strip 9, and waterproof treatment is carried out by using sealant.
The above embodiments are only preferred embodiments of the present utility model, and should not be construed as limiting the present utility model, and the scope of the present utility model should be defined by the claims, including the equivalents of the technical features in the claims. I.e., equivalent replacement modifications within the scope of this utility model are also within the scope of the utility model.
Claims (6)
1. Be used for large-span strong vibration roofing composite waterproof construction, characterized by: the waterproof structure comprises a roof integral waterproof section, a roof gutter and parapet waterproof section, a roof skylight waterproof section and a roof fan opening waterproof section;
each waterproof section is sequentially paved with a non-cured rubber asphalt waterproof layer (2), two layers of elastomer modified asphalt waterproof layers (3) and a thermoplastic polyolefin waterproof layer (4).
2. The composite waterproof structure for the large-span strong vibration roof according to claim 1, wherein: the thermoplastic polyolefin waterproof layer (4) in the integral waterproof section of the roof is also sequentially paved with a non-woven fabric isolation layer (5), a composite drainage plate (6) and a cement-based composite cover plate (7).
3. The composite waterproof structure for the large-span strong vibration roof according to claim 1, wherein: fixing grooves (8) are formed in the parapet walls in the roof gutter and the parapet wall waterproof section, and the end parts of the waterproof layers are closed and fixed in the fixing grooves (8) through pressing strips (9) and sealed through sealant;
the two sides of the bottom of the gutter at the upstream side of the roof are provided with pressing strips (9), and each waterproof layer is fixedly and tightly attached to the wall body by the pressing strips (9);
a layer of thermoplastic polyolefin waterproof layer (4) is also paved at the bottom of the gutter at the upstream side of the roof.
4. The composite waterproof structure for the large-span strong vibration roof according to claim 1, wherein: the waterproof section of the roof skylight is provided with plugging Wang Yuanhu chamfers at the positions of the non-cured rubber asphalt waterproof layer (2), the roof skylight elevation and the roof internal corners, the ends of the waterproof layers are positioned at the top of the roof skylight elevation, are closed and fixed through the pressing strips (9), and are sealed through sealant.
5. The composite waterproof structure for the large-span strong vibration roof according to claim 1, wherein: the non-cured rubber asphalt waterproof layer (2), the elevation of the roof fan opening and the internal corner of the roof are provided with plugging Wang Yuanhu chamfers, and the thermoplastic polyolefin waterproof layer (4) is also sequentially paved with a non-woven fabric isolation layer (5), a composite drain board (6) and a cement-based composite cover board (7);
the end parts of the waterproof layers are positioned at the top of the vertical face of the roof fan opening, are closed and fixed through pressing strips (9), and are sealed through rubber gaskets and sealant.
6. The composite waterproof structure for a large-span strong vibration roof according to any one of claims 2 or 5, characterized in that: geotechnical cloth is arranged in the composite drain board (6), and the convex surface of the composite drain board (6) faces upwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320886097.5U CN220133286U (en) | 2023-04-19 | 2023-04-19 | Composite waterproof structure for large-span strong vibration roof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320886097.5U CN220133286U (en) | 2023-04-19 | 2023-04-19 | Composite waterproof structure for large-span strong vibration roof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220133286U true CN220133286U (en) | 2023-12-05 |
Family
ID=88952232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320886097.5U Active CN220133286U (en) | 2023-04-19 | 2023-04-19 | Composite waterproof structure for large-span strong vibration roof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220133286U (en) |
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2023
- 2023-04-19 CN CN202320886097.5U patent/CN220133286U/en active Active
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