CN110306736A - A kind of reinforced concrete roof waterproof construction - Google Patents
A kind of reinforced concrete roof waterproof construction Download PDFInfo
- Publication number
- CN110306736A CN110306736A CN201910387755.4A CN201910387755A CN110306736A CN 110306736 A CN110306736 A CN 110306736A CN 201910387755 A CN201910387755 A CN 201910387755A CN 110306736 A CN110306736 A CN 110306736A
- Authority
- CN
- China
- Prior art keywords
- layer
- water tank
- groove
- capping
- water
- 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.)
- Pending
Links
- 239000011150 reinforced concrete Substances 0.000 title claims abstract description 26
- 238000010276 construction Methods 0.000 title claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 90
- 230000000475 sunscreen effect Effects 0.000 claims abstract description 29
- 239000000516 sunscreening agent Substances 0.000 claims abstract description 29
- 238000003860 storage Methods 0.000 claims abstract description 28
- 238000001816 cooling Methods 0.000 claims abstract description 27
- 238000009413 insulation Methods 0.000 claims abstract description 13
- 239000004677 Nylon Substances 0.000 claims abstract description 8
- 229920001778 nylon Polymers 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims description 9
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 239000010865 sewage Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 4
- 230000000717 retained effect Effects 0.000 abstract description 3
- 238000004078 waterproofing Methods 0.000 abstract description 2
- 230000000149 penetrating effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
- E04D13/04—Roof drainage; Drainage fittings in flat roofs, balconies or the like
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
- E04D13/04—Roof drainage; Drainage fittings in flat roofs, balconies or the like
- E04D13/064—Gutters
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
- E04D13/16—Insulating devices or arrangements in so far as the roof covering is concerned, e.g. characterised by the material or composition of the roof insulating material or its integration in the roof structure
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Building Environments (AREA)
Abstract
The present invention relates to building waterproofing technique fields, specially a kind of reinforced concrete roof waterproof construction, including cooling layer and drainage groove, cooling layer is arranged to make up by multiple water tanks, capping is provided on water tank, the lower surface for being close to cooling layer is provided with waterproof layer, the lower surface for being close to waterproof layer is bonded with thermal insulation layer, the upper surface for being close to multiple cappings is provided with sunscreen layer, the utility model has the advantages that when there is ponding, a part of ponding of sunscreen layer upper surface is entered in water storage cavity set by water tank inside along sunscreen layer inlet opening and capping water inlet and is stored, ponding is imported into drainage groove by the nylon tube plugged between water tank discharge outlet and groove inlet opening inside water storage cavity, there are the spacing of 2-3cm between water tank discharge outlet and the bottom surface of water storage cavity, so that the height of the ponding of the inside of water storage cavity can be retained 2 The height of -3cm, for cooling down to reinforced concrete roof.
Description
Technical field
The present invention relates to building waterproofing technique field, specially a kind of reinforced concrete roof waterproof construction.
Background technique
On the roofing of reinforced concrete building, when serious due to rainy weather ponding, the readily permeable reinforcing bar of crossing of ponding is mixed
Solidifying soil layer, enters building interior, it is moist to cause building interior structure, or even corrode, usually in reinforced concrete roof
One layer of waterproof layer is laid with to prevent the infiltration of ponding.But waterproof layer is easy to split horizontal and damage in the sun lower generation of being exposed to the sun, and causes
Good waterproof effect is not achieved；Ponding on reinforced concrete roof, which is usually only voluntarily flowed by groove, to be lauched
Pipe, when ponding is serious, drainage effect is lower；When common reinforced concrete roof is only laid with waterproof layer, generation is shined upon
Temperature be easy conduction to building interior, especially in summer, temperature is higher, and the temperature of building interior cannot be made to be reduced.
Summary of the invention
The purpose of the present invention is to provide a kind of reinforced concrete roof waterproof constructions, to solve to mention in above-mentioned background technique
Out the problem of.
To achieve the above object, the invention provides the following technical scheme: a kind of reinforced concrete roof waterproof construction, including
Cooling layer and drainage groove, the cooling layer are arranged to make up by multiple water tanks, and the storage of opening upwards is offered inside water tank
Water cavity, the two sides inner wall upper end of water storage cavity length direction are welded with bolt ear, and the upper surface of each water tank is provided with
Capping, capping are fixedly connected by bolt with bolt ear, and the upper head of bolt is embedded in the upper surface of capping, are close to cooling layer
Lower surface be provided with waterproof layer, the lower surface for being close to waterproof layer is bonded with thermal insulation layer, be close to multiple cappings upper surface setting
Have a sunscreen layer, the upper surface of the capping offers multiple evenly distributed capping water inlets, the surface of sunscreen layer offer with
The corresponding sunscreen layer inlet opening of multiple capping water inlets, covers the sieve plate that is internally provided with of water inlet, the water tank is long
Two sidewalls on degree direction offer water tank discharge outlet, and the peripheral edge of the cooling layer is provided with drainage groove, the row
The inner side edge of water groove is close to the peripheral edge of cooling layer, and the inner side edge of drainage groove offer it is opposite with water tank discharge outlet
The groove inlet opening answered, the two sides bottom surface of the drainage groove offer groove discharge outlet, and ditch is close in the lower surface of drainage groove
The lower port of slot discharge outlet is welded with drainpipe, and drainpipe lower end is connected with suction pump, the draining end of suction pump and sewage pipe
Connection.
Preferably, the upper surface setting of water tank is close in the capping, and multiple cappings fit closely arrangement.
Preferably, integrally formed with sealing strip, other side upper end offers close for the one side upper end to fit that covers
Sealing groove, and cover the seal groove cooperation card that the capping adjacent with being close to of set sealing strip is opened up and set.
Preferably, there are the spacing of 2-3cm, water tank discharge outlet between the water tank discharge outlet and the bottom surface of water storage cavity
It is connected with groove inlet opening, and is inserted with nylon tube inside water tank discharge outlet and groove inlet opening.
Preferably, screen pack, the inside of the drainage groove are fixedly welded at the top notch of the drainage groove
Wall upper end is provided with water guide inclined-plane.
Compared with prior art, the beneficial effects of the present invention are: structure of the invention setting rationally, functional, have with
Lower advantage:
1. the present invention is laid with one layer of thermal insulation layer in reinforced concrete roof upper surface, thermal insulation layer, which can obstruct, to be shined upon
Heat conduction enters building interior, and the upper surface for being close to thermal insulation layer is bonded with waterproof layer, and waterproof layer can prevent ponding from penetrating into
Enter to building interior；
2. a part of ponding of sunscreen layer upper surface enters along sunscreen layer inlet opening and capping water inlet when there is ponding
Stored into the water storage cavity set by inside water tank, inside water storage cavity ponding by water tank discharge outlet and groove inlet opening it
Between the nylon tube that plugs imported into drainage groove, there are the spacing of 2-3cm between water tank discharge outlet and the bottom surface of water storage cavity,
So that the height of the ponding of the inside of water storage cavity can be retained the height of 2-3cm, for cooling down to reinforced concrete roof；
3. in the present invention, draw water pump work when the ponding inside drainage groove can be extracted out and enter sewage pipe, effectively increase
The efficiency of ponding discharge.
Detailed description of the invention
Fig. 1 is Structure explosion diagram of the invention；
Fig. 2 is the top view of partial structurtes of the present invention；
Fig. 3 is the sectional view in Fig. 2 at A-A；
Fig. 4 is the enlarged drawing in Fig. 3 at C；
Fig. 5 is the sectional view in Fig. 2 at B-B；
Fig. 6 is the enlarged drawing in Fig. 5 at D；
Fig. 7 is the structural schematic diagram of cooling layer in the present invention.
In figure: cooling layer 1, drainage groove 2, waterproof layer 3, thermal insulation layer 4, sunscreen layer 5, water tank 6, capping 7, water storage cavity 8,
Cover water inlet 9, water tank discharge outlet 10, sunscreen layer inlet opening 11, groove inlet opening 12, screen pack 13, groove discharge outlet
14, drainpipe 15, suction pump 16, sealing strip 17, nylon tube 18, bolt ear 19, water guide inclined-plane 20.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig. 1 to Fig. 7, the present invention provides a kind of technical solution: a kind of reinforced concrete roof waterproof construction will be tied
It closes shown in Fig. 1 and Fig. 3, is laid with one layer of thermal insulation layer 4 in reinforced concrete roof upper surface, thermal insulation layer 4 can be obstructed and be shined upon
Heat conduction enter building interior, be close to thermal insulation layer 4 upper surface be bonded with waterproof layer 3, waterproof layer 3 can prevent ponding from seeping
Building interior is entered thoroughly.
As shown in figure 3, the upper surface for being close to waterproof layer 3 is provided with cooling layer 1, as shown in fig. 7, cooling layer 1 is by multiple storages
The abutting of water tank 6 is arranged to make up, and offers the water storage cavity 8 of opening upwards inside water tank 6, in the two sides of 8 length direction of water storage cavity
Wall upper end is welded with bolt ear 19, and the upper surface of each water tank 6 is provided with capping 7, and the upper table of water tank 6 is close in capping 7
Face, and cover 7 and be fixedly connected by bolt with bolt ear 19, the upper head of bolt is embedded in the upper surface of capping 7, prevents spiral shell
Bolt head protrusion causes to scratch to sunscreen layer 5.
In conjunction with shown in Fig. 5 and Fig. 6, multiple cappings 7 fit closely arrangement, the one side upper end that capping 7 fits it is integrated at
Type has sealing strip 17, and other side upper end offers seal groove, and 7 institute of capping that sealing strip 17 set by capping 7 is adjacent with being close to
The seal groove cooperation card opened up is set, and is guaranteed the connection sealing between capping 7, is prevented ponding from largely flowing into.
Referring to figure 1 and figure 5, the upper surface for being close to multiple cappings 7 is provided with sunscreen layer 5, and sunscreen layer 5 prevents the sun pair
Cool down 1 direct irradiation of layer, and the upper surface of sunscreen layer 5 is laminating one layer of waterproof membrane, prevents ponding from largely penetrating into inside sunscreen layer 5,
The upper surface of capping 7 offers multiple evenly distributed capping water inlets 9, the surface of sunscreen layer 5 offer with it is multiple cover into
The corresponding sunscreen layer inlet opening 11 in the mouth of a river 9, the ponding of 5 upper surface of sunscreen layer is along sunscreen layer inlet opening 11 and capping water inlet 9
Enter in water storage cavity 8 set by the inside of water tank 6 and stored, for cooling down to reinforced concrete roof, cover into
The mouth of a river 9 is internally provided with sieve plate, prevents sundries from entering the inside of water storage cavity 8.
In conjunction with shown in Fig. 7 and Fig. 4, the two sidewalls on 6 length direction of water tank offer water tank discharge outlet 10, water tank
There are the spacing of 2-3cm between discharge outlet 10 and the bottom surface of water storage cavity 8, so that the height of the ponding of the inside of water storage cavity 8 can quilt
The height for retaining 2-3cm, for cooling down to reinforced concrete roof.
Referring to figs. 1 and 2, the peripheral edge of cooling layer 1 is provided with drainage groove 2, and drainage groove 2 is in " returning " font
Around the peripheral edge that cooling layer 1 is arranged in, the section of drainage groove 2 is in concave, as shown in figure 4, drainage groove 2 is interior
The peripheral edge of cooling layer 1 is close in side, and the ponding of 5 upper surface of sunscreen layer is directed in drainage groove 2, and drainage groove 2
Inner side edge offer groove corresponding with water tank discharge outlet 10 inlet opening 12, water tank discharge outlet 10 and groove inlet opening
12 are connected, and nylon tube 18 is inserted with inside water tank discharge outlet 10 and groove inlet opening 12, the extra product in 8 inside of water storage cavity
Water can enter in drainage groove 2 along nylon tube 18.
In conjunction with shown in Fig. 1 and Fig. 4, be fixedly welded with screen pack 13 at the top notch of drainage groove 2, prevent sundries into
Enter into drainage groove 2 and result in blockage, the lateral wall of drainage groove 2 is close to daughter's inner wall of reinforced concrete roof (usually
Periphery construction has parapet on reinforced concrete roof), the inner sidewall upper end of drainage groove 2 is provided with water guide inclined-plane 20, just
In importeding into ponding in 2 inside of drainage groove, the two sides bottom surface of drainage groove 2 offers groove discharge outlet 14, groove draining
Mouth 14 is in back taper shaped opening, and the lower port that groove discharge outlet 14 is close in the lower surface of drainage groove 2 is welded with drainpipe 15, drains
15 lower end of pipe is connected with suction pump 16, and the draining end of suction pump 16 is connect with sewage pipe, and suction pump 16 can will drain when working
Ponding extraction inside groove 2 enters sewage pipe, effectively increases the efficiency of ponding discharge.
Working principle: in the present invention, it first is laid with one layer of thermal insulation layer 4 in reinforced concrete roof upper surface, thermal insulation layer 4 can
It obstructs the heat conduction shined upon and enters building interior, the upper surface for being close to thermal insulation layer 4 is bonded with waterproof layer 3,3 energy of waterproof layer
Enough prevent ponding from penetrating into building interior, the upper surface for being close to waterproof layer 3 is provided with cooling layer 1, is close to the upper of cooling layer 1
Surface is provided with sunscreen layer 5, and sunscreen layer 5 prevents the sun to cooling 1 direct irradiation of layer；Rainwater is in 5 upper surface of sunscreen layer when raining
Ponding is formed, as shown in figure 4, a part of ponding of 5 upper surface of sunscreen layer enters along sunscreen layer inlet opening 11 and capping water inlet 9
Stored into water storage cavity 8 set by the inside of water tank 6,8 inside ponding of water storage cavity by water tank discharge outlet 10 and groove into
The nylon tube 18 plugged between water hole 12 is imported into drainage groove 2, is stayed between water tank discharge outlet 10 and the bottom surface of water storage cavity 8
There is the spacing of 2-3cm, so that the height of the ponding of the inside of water storage cavity 8 can be retained the height of 2-3cm, for reinforced concrete
The cooling of earth house face, other ponding of 5 upper surface of sunscreen layer enter in drainage groove 2, and suction pump 16 can be by gutter when working
Ponding extraction inside slot 2 enters sewage pipe, effectively increases the efficiency of ponding discharge.
It, for the ordinary skill in the art, can although having shown and having described the embodiment of the present invention
It a variety of to the progress of these embodiments can be changed without departing from the principles and spirit of the present invention with understanding, modified, replaced
It changes and modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of reinforced concrete roof waterproof construction, including cooling layer (1) and drainage groove (2), it is characterised in that: the drop
Warm layer (1) is arranged to make up by multiple water tanks (6), and the water storage cavity (8) of opening upwards, water storage cavity are offered inside water tank (6)
(8) the two sides inner wall upper end of length direction is welded with bolt ear (19), and the upper surface of each water tank (6) is provided with envelope
It covers (7), capping (7) is fixedly connected by bolt with bolt ear (19), and the upper head of bolt is embedded in the upper table of capping (7)
Face, the lower surface for being close to cooling layer (1) are provided with waterproof layer (3), and the lower surface for being close to waterproof layer (3) is bonded with thermal insulation layer (4),
The upper surface for being close to multiple cappings (7) is provided with sunscreen layer (5), and the upper surface of the capping (7) offers multiple evenly distributed
Capping water inlet (9), the surface of sunscreen layer (5) offers sunscreen layer inlet opening corresponding with multiple capping water inlet (9)
(11), cover water inlet (9) is internally provided with sieve plate, and the two sidewalls on water tank (6) length direction offer storage
The peripheral edge of water tank outlet (10), cooling layer (1) is provided with drainage groove (2), the inside of the drainage groove (2)
Side be close to cooling layer (1) peripheral edge, and the inner side edge of drainage groove (2) offer it is corresponding with water tank discharge outlet (10)
Groove inlet opening (12), the two sides bottom surface of the drainage groove (2) offers groove discharge outlet (14), drainage groove (2)
The lower port that groove discharge outlet (14) are close in lower surface is welded with drainpipe (15), and drainpipe (15) lower end is connected with suction pump
(16), the draining end of suction pump (16) is connect with sewage pipe.
2. a kind of reinforced concrete roof waterproof construction according to claim 1, it is characterised in that: the capping (7) is tight
The upper surface setting of water tank (6) is pasted, and multiple cappings (7) fit closely arrangement.
3. a kind of reinforced concrete roof waterproof construction according to claim 1, it is characterised in that: described capping (7) phase
Integrally formed with sealing strip (17), other side upper end offers seal groove for the one side upper end of fitting, and covers close set by (7)
The seal groove cooperation card that strip of paper used for sealing (17) capping (7) adjacent with being close to is opened up is set.
4. a kind of reinforced concrete roof waterproof construction according to claim 1, it is characterised in that: the water tank draining
There are the spacing of 2-3cm, water tank discharge outlet (10) and groove inlet opening (12) phases between mouth (10) and the bottom surface of water storage cavity (8)
Connection, and nylon tube (18) are inserted with inside water tank discharge outlet (10) and groove inlet opening (12).
5. a kind of reinforced concrete roof waterproof construction according to claim 1, it is characterised in that: the drainage groove
(2) it is fixedly welded at top notch screen pack (13), it is oblique that the inner sidewall upper end of the drainage groove (2) is provided with water guide
Face (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910387755.4A CN110306736A (en) | 2019-05-10 | 2019-05-10 | A kind of reinforced concrete roof waterproof construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910387755.4A CN110306736A (en) | 2019-05-10 | 2019-05-10 | A kind of reinforced concrete roof waterproof construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110306736A true CN110306736A (en) | 2019-10-08 |
Family
ID=68074650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910387755.4A Pending CN110306736A (en) | 2019-05-10 | 2019-05-10 | A kind of reinforced concrete roof waterproof construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110306736A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111119416A (en) * | 2019-12-30 | 2020-05-08 | 济南长兴建设集团有限公司 | Planting roof and construction method |
| CN111395662A (en) * | 2020-05-09 | 2020-07-10 | 泰利建设集团有限公司 | Water seepage prevention structure for top floor of building |
| CN113047543A (en) * | 2020-12-30 | 2021-06-29 | 中铁建设集团基础设施建设有限公司 | Roof heat insulation system in high-altitude large-temperature-difference environment and construction method |
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|---|---|---|---|---|
| CN2417229Y (en) * | 2000-03-08 | 2001-01-31 | 吴绍坤 | Water proof and thermal insulation layer as roof covering |
| CN102535761A (en) * | 2012-01-16 | 2012-07-04 | 中国科学院寒区旱区环境与工程研究所 | Heat-insulating and waterproof roof |
| CN204475701U (en) * | 2015-02-26 | 2015-07-15 | 王春光 | A kind of building roof drainage system |
| CN106337469A (en) * | 2016-10-08 | 2017-01-18 | 福州幻科机电科技有限公司 | House building structure comprehensively utilizing and collecting rainy water |
| KR101787567B1 (en) * | 2016-12-21 | 2017-10-18 | 설준영 | Building rooftop Panel construction structure and construction method |
| CN107355048A (en) * | 2017-07-06 | 2017-11-17 | 四川爱斯兰特门窗科技有限公司 | Glass sunlight house drainage equipment with efficient drain function |
| CN109653450A (en) * | 2018-12-17 | 2019-04-19 | 安徽清成智慧建筑设计有限公司 | A kind of greening building energy saving roofing |
-
2019
- 2019-05-10 CN CN201910387755.4A patent/CN110306736A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2417229Y (en) * | 2000-03-08 | 2001-01-31 | 吴绍坤 | Water proof and thermal insulation layer as roof covering |
| CN102535761A (en) * | 2012-01-16 | 2012-07-04 | 中国科学院寒区旱区环境与工程研究所 | Heat-insulating and waterproof roof |
| CN204475701U (en) * | 2015-02-26 | 2015-07-15 | 王春光 | A kind of building roof drainage system |
| CN106337469A (en) * | 2016-10-08 | 2017-01-18 | 福州幻科机电科技有限公司 | House building structure comprehensively utilizing and collecting rainy water |
| KR101787567B1 (en) * | 2016-12-21 | 2017-10-18 | 설준영 | Building rooftop Panel construction structure and construction method |
| CN107355048A (en) * | 2017-07-06 | 2017-11-17 | 四川爱斯兰特门窗科技有限公司 | Glass sunlight house drainage equipment with efficient drain function |
| CN109653450A (en) * | 2018-12-17 | 2019-04-19 | 安徽清成智慧建筑设计有限公司 | A kind of greening building energy saving roofing |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111119416A (en) * | 2019-12-30 | 2020-05-08 | 济南长兴建设集团有限公司 | Planting roof and construction method |
| CN111395662A (en) * | 2020-05-09 | 2020-07-10 | 泰利建设集团有限公司 | Water seepage prevention structure for top floor of building |
| CN111395662B (en) * | 2020-05-09 | 2022-03-01 | 泰利建设集团有限公司 | Water seepage prevention structure for top floor of building |
| CN113047543A (en) * | 2020-12-30 | 2021-06-29 | 中铁建设集团基础设施建设有限公司 | Roof heat insulation system in high-altitude large-temperature-difference environment and construction method |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20191008 |