CN107700760A - A kind of reversed beam planted roof water discharge method and its system - Google Patents
A kind of reversed beam planted roof water discharge method and its system Download PDFInfo
- Publication number
- CN107700760A CN107700760A CN201710859686.3A CN201710859686A CN107700760A CN 107700760 A CN107700760 A CN 107700760A CN 201710859686 A CN201710859686 A CN 201710859686A CN 107700760 A CN107700760 A CN 107700760A
- Authority
- CN
- China
- Prior art keywords
- filter bag
- drainpipe
- floor drain
- reversed beam
- infiltration
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims abstract description 9
- 239000002689 soil Substances 0.000 claims abstract description 24
- 230000008595 infiltration Effects 0.000 claims abstract description 21
- 238000001764 infiltration Methods 0.000 claims abstract description 21
- 239000010410 layer Substances 0.000 claims abstract description 14
- 239000004745 nonwoven fabric Substances 0.000 claims abstract description 13
- 239000011381 foam concrete Substances 0.000 claims abstract description 11
- 239000004576 sand Substances 0.000 claims abstract description 8
- 238000010276 construction Methods 0.000 claims abstract description 6
- 239000002344 surface layer Substances 0.000 claims abstract description 6
- 238000004078 waterproofing Methods 0.000 claims abstract description 6
- 238000005187 foaming Methods 0.000 claims description 9
- 238000005266 casting Methods 0.000 claims description 3
- 239000006260 foam Substances 0.000 claims description 2
- 238000013461 design Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 4
- 238000012279 drainage procedure Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000009440 infrastructure construction Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 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
- E04D13/16—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
- E04D13/1606—Insulation of the roof covering characterised by its integration in the roof structure
-
- 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
- E04D13/0404—Drainage on the roof surface
- E04D13/0409—Drainage outlets, e.g. gullies
- E04D2013/0413—Strainers for drainage outlets
-
- 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
- E04D13/0404—Drainage on the roof surface
- E04D13/0409—Drainage outlets, e.g. gullies
- E04D2013/0427—Drainage outlets, e.g. gullies with means for controlling the flow in the outlet
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Retaining Walls (AREA)
- Cultivation Of Plants (AREA)
Abstract
The invention discloses a kind of reversed beam planted roof water discharge method and its system, it is on reversed beam roofing construction sheet after the completion of waterproofing work, in pouring foamed concrete on structural slab and carry out looking for slope in 1/100 ratio and do water-proofing treatment in surface layer, after the completion of infiltration is come together at one, floor drain is flowed into after being handled with first of anti-filter bag, without the infiltration of first of anti-filter bag, by flowing into drainpipe after second anti-filter bag；After first of anti-filter bag fills fine sand with non-woven fabrics, covered and be fixed on floor drain place suitable for reading；Second anti-filter bag drills through a diameter of 1 2cm cavity by drainpipe mouth of pipe top, spacing 5cm between cavity, and the end for having drainpipe is wrapped up with non-woven fabrics, and twice anti-filter bag ensure that planting soil will not be taken away loss by infiltration.The present invention, by the discharge by floor drain and drainpipe of seeping water, ensure that the globality of roof waterproof layer and room panel structure in the case where not destroying roofing construction sheet.
Description
Technical field
The present invention relates to roof drainage systems technology field, more particularly to a kind of reversed beam planted roof water discharge method and its it is
System.
Background technology
With the rapid development of China's infrastructure construction, real estate cause is maked rapid progress, and the design of building structure is also got over
Come more diversified；In architectural design, the situation of vegetation need to be planted by running into roof structure sometimes, and now roof structure can be present
Reversed beam designs, and when running into the design conditions, we need to carry out drainage sunk well to reversed beam roofing, and the design is ensureing planting soil
In the case of not being lost in, and in the case of not destroying roofing construction sheet, the discharge by floor drain and drainpipe of seeping water ensures
Roof waterproof layer, while also ensure that the globality of room panel structure.
The inventors discovered that there is problems with existing roof drainage system：
1. existing discharge structure can not meet the dewatering needs of reversed beam planted roof；
2. existing can not protect to planting soil, water and soil easily causes loss；
3. it should not be controlled in existing drainage system drainage procedure.
The content of the invention
It is an object of the invention to provide a kind of reversed beam planted roof water discharge method and its system, to solve above-mentioned background skill
The discharge structure proposed in art can not meet the dewatering needs of reversed beam planted roof, it is impossible to planting soil be protected, water
Soil easily causes loss, the problem of should not being controlled in drainage system drainage procedure.
The purpose and effect of reversed beam planted roof water discharge method of the present invention and its system, are reached by technological means in detail below
Into：
A kind of reversed beam planted roof water discharge method of the present invention, it is on reversed beam roofing construction sheet after the completion of waterproofing work,
In pouring foamed concrete on structural slab and carry out looking for slope in 1/100 ratio and do water-proofing treatment in surface layer, after the completion of will ooze
Water is come together at one, and floor drain is flowed into after being handled with first of anti-filter bag, without the infiltration of first of anti-filter bag, passes through
Drainpipe is flowed into after two anti-filter bags；After first of anti-filter bag fills fine sand with non-woven fabrics, covered and be fixed on floor drain
At mouthful；Second anti-filter bag drills through a diameter of 1-2cm cavity by drainpipe mouth of pipe top, spacing 5cm between cavity, and uses nonwoven
Cloth is wrapped up the end for having drainpipe, and twice anti-filter bag ensure that planting soil will not be taken away loss by infiltration.
A kind of reversed beam planted roof drainage system of the present invention, includes：Water-repellant treated layer, the second anti-filter bag, water folder and
Mixed mud floor；Formed by integrally casting has reversed beam on the mixed mud floor, on the mixed mud floor at two among described reversed beam
It has been mounted with foaming mixed mud；Plane is in parallel position with the drainpipe on the right side of it on the right-hand member of the foaming mixed mud, and
The left end of foaming mixed mud is equipped with floor drain, and the upper end of the floor drain is provided with the first anti-filter bag, and the second anti-filter bag is arranged at floor drain
Bottom；It is interconnected inside the floor drain and the drainpipe in left side, and the other end of drainpipe is connected to the borehole wall of sump
On；The bottom of the mixed mud floor is integrally buried in the bottom of planting soil, and after looking for slope using foamed concrete, water is come together in
First of anti-filter bag, flows into floor drain after first of anti-filter bag, and second is passed through in the remaining infiltration in floor drain side space position
Anti-filter bag, drainpipe is flowed into, sump is discharged into by drainpipe.
Further, the mixed mud floor upper end pours foamed concrete, and carries out looking for slope in 1/100 ratio, and
Do water-repellant treated layer in surface layer, after the completion of infiltration is come together at one, flow into floor drain after being handled with first of anti-filter bag, not
By the infiltration of first of anti-filter bag, by flowing into drainpipe after second anti-filter bag.
Further, after first of anti-filter bag fills fine sand with non-woven fabrics, covered and to be fixed on floor drain suitable for reading
Place；Second anti-filter bag drills through a diameter of 1-2cm cavity by drainpipe mouth of pipe top, spacing 5cm between cavity, and uses non-woven fabrics
The end for having drainpipe is wrapped up.
Further, the drainpipe pre-buried is in reversed beam.
Further, it is described, it is provided with tongs in the middle part of drainpipe.
With existing structure in comparison, the invention has the advantages that：
1. mixed mud floor upper end of the present invention pours foamed concrete, and carries out looking for slope in 1/100 ratio, and in surface layer
The setting of water-repellant treated layer is done, slope is designed with beneficial to infiltration is come together at one, then handled with first of anti-filter bag
After flow into floor drain, without the infiltration of first of anti-filter bag, by flowing into drainpipe after second anti-filter bag, effectively prevent soil
It is lost in.
After 2. first of anti-filter bag of the invention fills fine sand with non-woven fabrics, covered and be fixed on floor drain place suitable for reading；The
Two anti-filter bags drill through a diameter of-cm cavity by drainpipe mouth of pipe top, spacing cm between cavity, and with non-woven fabrics to drainpipe
The setting wrapped up of end, be advantageous to carry out soil filtering by twice anti-filter bag to stop, it is effective to ensure that planting soil
Earth will not be taken away loss by infiltration, improve soil protection ability.
3. present invention design is in the case where ensureing that planting soil is not lost in, and in the case of not destroying roofing construction sheet,
By the discharge by floor drain and drainpipe of seeping water, roof waterproof layer is both ensure that, while also ensure that the entirety of room panel structure
Property.
Brief description of the drawings
Fig. 1 is drainage system structural representation of the present invention；
Fig. 2 is drainage system partial enlargement structural representation of the present invention；
Fig. 3 is drainpipe mplifying structure schematic diagram of the present invention.
In figure：1- foaming mixed muds, 2- water-repellant treated layers, 3- floor drains, 4- the second anti-filter bags, 5- drainpipes, 501- sealings
Folder, 6- sumps, 7- reversed beams, 8- the first anti-filter bags, 9- planting soils, 10- mixed mud floors.
Embodiment
Below, embodiments of the invention are will be explained in, the example is shown in the accompanying drawings and the description below.Although it will combine
The exemplary embodiment description present invention, it is to be understood that the description is not really wanted to limit the invention to the exemplary implementation
Example.On the contrary, the present invention will not only cover the exemplary embodiment, but also cover various replacements, it is changing, equivalent and
Other embodiment, it can be included in the spirit and scope of the present invention that appended claims are limited.
Referring to Fig. 1 to accompanying drawing 3, a kind of reversed beam planted roof drainage system, include：Water-repellant treated layer 2, the second anti-filter bag
4th, tongs 501 and mixed mud floor 10；Formed by integrally casting has reversed beam 7 on the mixed mud floor 10, the described reversed beam 7 at two
Foaming mixed mud 1 has been mounted with middle mixed mud floor 10；It is described foaming mixed mud 1 right-hand member on plane with its on the right side of
Drainpipe is in parallel position, and the left end for the mixed mud 1 that foams is equipped with floor drain 3, and the upper end of the floor drain 3 is provided with the first anti-filter
Bag 8, the second anti-filter bag 4 is arranged at the bottom of floor drain 3；The floor drain 3 and the inside of drainpipe 5 in left side are interconnected, and draining
The other end of pipe 5 is connected on the borehole wall of sump 6；The bottom of the mixed mud floor 10 is integrally buried in the bottom of planting soil 9
Portion, after looking for slope using foamed concrete 1, water is come together in into first of anti-filter bag 8, floor drain is flowed into after first of anti-filter bag 8
3, second anti-filter bag 4 is passed through in the remaining infiltration in the side space position of floor drain 3, flows into drainpipe 5, collection is discharged into by drainpipe 5
Well 6.
Therein, the upper end of mixed mud floor 10 pours foamed concrete 1, and carries out looking for slope in 1/100 ratio, and in face
Layer does water-repellant treated layer 2, and slope design is easy to come together in infiltration at one, flowed after then being handled with first of anti-filter bag 8
Enter floor drain 3, without the infiltration of first of anti-filter bag 8, by flowing into drainpipe 5 after second anti-filter bag 4, effectively prevent soil
It is lost in.
It is therein, after first of anti-filter bag 8 fills fine sand with non-woven fabrics, covered and be fixed on 3 place suitable for reading of floor drain；The
Two anti-filter bags 4 drill through a diameter of 1-2cm cavity by the mouth of pipe top of drainpipe 5, spacing 5cm between cavity, and with non-woven fabrics pair
The end of drainpipe 3 is wrapped up, and is easy to carry out soil filtering by twice anti-filter bag to stop, effective to ensure that planting soil
Loss will not be taken away by infiltration, improves soil protection ability.
Therein, drainpipe 5 is embedded in reversed beam in advance, is easy to make the drainpipe 5 be hidden among reversed beam 7, is improved the draining
The overall aesthetics and overall performance of system, and anti-antipriming pipe is exposed to outside and causes to damage.
Therein, the middle part of drainpipe 5 is provided with tongs 501, is easy to the dry and wet degree according to planting soil 9 to drainpipe 5
It is turned on and off, so as to increase the controllability of the drainage system.
Specific implementation：
It is anti-with before concrete floor 10, being first embedded in the drainpipe 5 with tongs 501 in advance firstly the need of reversed beam 7 is poured
In the template of beam 7, then pour the structure sheaf of roofing reversed beam 7, after the completion of, watering maintenance is carried out to structure sheaf, after the completion of to structure sheaf
Make water-repellant treated layer 2；
Then by the use of non-woven wraps fine sand and floor drain top is fixed on as first of anti-filter bag 8, while drainpipe top
Top drills through 1-2cm cavity, and is used as second anti-filter bag 4 by the use of non-woven wraps；
After the completion of, foaming mixed mud 1 is poured in the upper end of water-repellant treated layer 2, progress 1/100 in engineering is poured and looks for Po Chu
Reason, it is suitable for reading that the lowest surfaces of foamed concrete 1 flush floor drain 3, after the completion of carry out planting soil 9 and backfilled, in use, upper end superfluous water
Branch filters along the first anti-filter bag 8 and flows into floor drain 3, is then flowing into drainpipe 5 by the second anti-filter bag 4, is finally importing and catchment
Among well.
In summary, although the present invention is described in detail with reference to the foregoing embodiments, for the technology of this area
For personnel, it can still modify to the technical scheme described in foregoing embodiments, or to which part technology
Feature carries out equivalent substitution, within the spirit and principles of the invention, any modification, equivalent substitution and improvements made etc., and
It should be included within protection scope of the present invention.
Claims (6)
- A kind of 1. reversed beam planted roof water discharge method, it is characterised in that：On reversed beam roofing construction sheet after the completion of waterproofing work, Yu Jie Foamed concrete is poured on structure plate and carries out looking for slope in 1/100 ratio and does water-proofing treatment in surface layer, after the completion of will infiltration converge Combine at one, flow into floor drain after being handled with first of anti-filter bag, without the infiltration of first of anti-filter bag, pass through second Drainpipe is flowed into after anti-filter bag；After first of anti-filter bag fills fine sand with non-woven fabrics, covered and be fixed on floor drain place suitable for reading； Second anti-filter bag drills through a diameter of 1-2cm cavity by drainpipe mouth of pipe top, spacing 5cm between cavity, and with non-woven fabrics pair The end for having drainpipe is wrapped up, and twice anti-filter bag ensure that planting soil will not be taken away loss by infiltration.
- 2. a kind of reversed beam planted roof water discharge method and its system, include：Water-repellant treated layer, the second anti-filter bag, tongs and Mixed mud floor；It is characterized in that：Formed by integrally casting has reversed beam on the mixed mud floor, mixed among described reversed beam at two Foaming mixed mud has been mounted with soil floor；Plane is in flat with the drainpipe on the right side of it on the right-hand member of the foaming mixed mud Line position is put, and the left end for the mixed mud that foams is equipped with floor drain, and the upper end of the floor drain is provided with the first anti-filter bag, and the second anti-filter bag is set It is placed in the bottom of floor drain；It is interconnected inside the floor drain and the drainpipe in left side, and the other end of drainpipe is connected to and catchmented On the borehole wall of well；The bottom of the mixed mud floor is integrally buried in the bottom of planting soil, will after looking for slope using foamed concrete Water comes together in first of anti-filter bag, and floor drain, the remaining infiltration warp in floor drain side space position are flowed into after first of anti-filter bag Second anti-filter bag is crossed, drainpipe is flowed into, sump is discharged into by drainpipe.
- 3. reversed beam planted roof drainage system according to claim 2, it is characterised in that：The bottom of the mixed mud floor Pour foamed concrete, also, carry out looking for slope in 1/100 ratio, and water-repellant treated layer is done in its surface layer, after the completion of will infiltration Come together at one, flow into floor drain after being handled with first of anti-filter bag, without the infiltration of first of anti-filter bag, pass through second Drainpipe is flowed into after road anti-filter bag.
- 4. the reversed beam planted roof drainage system according to Claims 2 or 3, it is characterised in that：First of anti-filter bag After filling fine sand with non-woven fabrics, covered and be fixed on floor drain place suitable for reading；Second anti-filter bag passes through drainpipe mouth of pipe top It is empty to drill through a diameter of 1-2cm, spacing 5cm between cavity, and the end for having drainpipe is wrapped up with non-woven fabrics.
- 5. reversed beam planted roof drainage system according to claim 2, it is characterised in that：The drainpipe pre-buried is in reversed beam In.
- 6. reversed beam planted roof drainage system according to claim 2, it is characterised in that：It is provided with the middle part of the drainpipe Tongs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710859686.3A CN107700760A (en) | 2017-09-21 | 2017-09-21 | A kind of reversed beam planted roof water discharge method and its system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710859686.3A CN107700760A (en) | 2017-09-21 | 2017-09-21 | A kind of reversed beam planted roof water discharge method and its system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107700760A true CN107700760A (en) | 2018-02-16 |
Family
ID=61171820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710859686.3A Pending CN107700760A (en) | 2017-09-21 | 2017-09-21 | A kind of reversed beam planted roof water discharge method and its system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107700760A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109972793A (en) * | 2019-03-27 | 2019-07-05 | 长江勘测规划设计研究有限责任公司 | The green plant roof structure of reversed beam |
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| CN2257561Y (en) * | 1996-06-21 | 1997-07-09 | 韩生健 | Thermal insulation energy saving, greening device for roofing |
| CN1324974A (en) * | 2000-05-19 | 2001-12-05 | 邹尚云 | Ecological composite draining and breathing roofing |
| JP2003018915A (en) * | 2001-05-02 | 2003-01-21 | Gantan Beauty Ind Co Ltd | Greening structure and greening method |
| JP3115445U (en) * | 2004-08-09 | 2005-11-04 | 国立臺北科技大學 | Natural water collection type sand discharge pipe |
| KR100545797B1 (en) * | 2004-10-12 | 2006-01-26 | (주)리뉴시스템 | Dual drainage panel |
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| KR20100001891U (en) * | 2008-08-13 | 2010-02-23 | 박영주 | Horizontal type roof drain system |
| CN203113635U (en) * | 2013-01-15 | 2013-08-07 | 苏州设计研究院股份有限公司 | Heavy-grade planted roof structure |
| CN103290910A (en) * | 2013-06-19 | 2013-09-11 | 中建四局第一建筑工程有限公司 | Anti-seepage method and structure of drainage of same floor |
| CN103628631A (en) * | 2013-11-26 | 2014-03-12 | 东华理工大学 | Roof garden drainage device |
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| CN205511165U (en) * | 2016-03-16 | 2016-08-31 | 浙江省农业科学院 | Flat roof is planted layer with making and is held, drainage irrigation system |
| US20170051471A1 (en) * | 2015-08-21 | 2017-02-23 | Jody V. PARKS | Free-flowing waterproofing system |
| CN106639177A (en) * | 2016-11-18 | 2017-05-10 | 江苏花王园艺股份有限公司 | Roof greening water draining system |
| CN207620234U (en) * | 2017-09-21 | 2018-07-17 | 中建四局第五建筑工程有限公司 | A kind of reversed beam planted roof drainage system |
-
2017
- 2017-09-21 CN CN201710859686.3A patent/CN107700760A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2257561Y (en) * | 1996-06-21 | 1997-07-09 | 韩生健 | Thermal insulation energy saving, greening device for roofing |
| CN1324974A (en) * | 2000-05-19 | 2001-12-05 | 邹尚云 | Ecological composite draining and breathing roofing |
| JP2003018915A (en) * | 2001-05-02 | 2003-01-21 | Gantan Beauty Ind Co Ltd | Greening structure and greening method |
| JP3115445U (en) * | 2004-08-09 | 2005-11-04 | 国立臺北科技大學 | Natural water collection type sand discharge pipe |
| KR100545797B1 (en) * | 2004-10-12 | 2006-01-26 | (주)리뉴시스템 | Dual drainage panel |
| CN101096850A (en) * | 2006-06-29 | 2008-01-02 | 邹新建 | Plastics water discharge plate application method for underground engineering wall surface, bottom plating and top board |
| KR20090078535A (en) * | 2008-01-15 | 2009-07-20 | 고의환 | Roof-drain |
| KR20100001891U (en) * | 2008-08-13 | 2010-02-23 | 박영주 | Horizontal type roof drain system |
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| CN203113635U (en) * | 2013-01-15 | 2013-08-07 | 苏州设计研究院股份有限公司 | Heavy-grade planted roof structure |
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| CN105064489A (en) * | 2015-07-02 | 2015-11-18 | 西安市政设计研究院有限公司 | Biological filter and design method thereof |
| US20170051471A1 (en) * | 2015-08-21 | 2017-02-23 | Jody V. PARKS | Free-flowing waterproofing system |
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| CN106639177A (en) * | 2016-11-18 | 2017-05-10 | 江苏花王园艺股份有限公司 | Roof greening water draining system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109972793A (en) * | 2019-03-27 | 2019-07-05 | 长江勘测规划设计研究有限责任公司 | The green plant roof structure of reversed beam |
| CN109972793B (en) * | 2019-03-27 | 2024-04-12 | 长江勘测规划设计研究有限责任公司 | Roof structure is planted to green of back-up beam |
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Application publication date: 20180216 |