CN106760239B - A kind of big reserves roof greening drainage plate - Google Patents
A kind of big reserves roof greening drainage plate Download PDFInfo
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- CN106760239B CN106760239B CN201611147461.7A CN201611147461A CN106760239B CN 106760239 B CN106760239 B CN 106760239B CN 201611147461 A CN201611147461 A CN 201611147461A CN 106760239 B CN106760239 B CN 106760239B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 97
- 238000003860 storage Methods 0.000 claims abstract description 70
- 239000004746 geotextile Substances 0.000 claims abstract description 29
- 229920001903 high density polyethylene Polymers 0.000 claims abstract description 12
- 239000004700 high-density polyethylene Substances 0.000 claims abstract description 12
- 238000009826 distribution Methods 0.000 claims abstract description 8
- 238000004080 punching Methods 0.000 claims abstract description 5
- 238000005192 partition Methods 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 2
- 239000011159 matrix material Substances 0.000 abstract description 12
- 238000010276 construction Methods 0.000 abstract description 7
- 238000009413 insulation Methods 0.000 abstract description 5
- 230000009467 reduction Effects 0.000 abstract description 5
- 238000001914 filtration Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 3
- 239000004033 plastic Substances 0.000 abstract description 3
- 229920003023 plastic Polymers 0.000 abstract description 3
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- 230000033228 biological regulation Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000003973 irrigation Methods 0.000 description 2
- 230000002262 irrigation Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005381 potential energy Methods 0.000 description 2
- 102000010637 Aquaporins Human genes 0.000 description 1
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- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 125000001189 phytyl group Chemical group [H]C([*])([H])/C([H])=C(C([H])([H])[H])/C([H])([H])C([H])([H])C([H])([H])[C@@](C([H])([H])[H])([H])C([H])([H])C([H])([H])C([H])([H])[C@@](C([H])([H])[H])([H])C([H])([H])C([H])([H])C([H])([H])C(C([H])([H])[H])([H])C([H])([H])[H] 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D3/00—Roof covering by making use of flat or curved slabs or stiff sheets
- E04D3/35—Roofing slabs or stiff sheets comprising two or more layers, e.g. for insulation
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Sewage (AREA)
Abstract
The present invention relates to a kind of big reserves drainage plates suitable for roof greening, comprising: plastic running surface, honeycomb water storage cup, connectivity slot, drainage hole, support column, non-woven geotextile, water sucting belt.The plate face, water storage cup, connectivity slot and support column are all made of high density polyethylene (HDPE) (HDPE) plastic cement bottom plate by punching press；The water storage cup of honeycomb arrangement is had in plate face, is connected between water storage cup by connectivity slot, and water storage space is big, while can realize water distribution uniformity, and plate face is equipped with drainage hole, has support column below plate face；In plate face and bottom of a cup respectively bonds one layer of non-woven geotextile, and water sucting belt is arranged in connection groove location in the geotextiles in plate face, and in water storage cup position, water sucting belt protrudes into bottom of a cup.Structure of the invention is reasonable, easy for construction convenient for forming, and maintenance is simple, and mechanical property is good, and versatility is high, system suitability is strong, has been provided simultaneously with the multiple functions such as water storage, draining, filtering, ventilative, insulation, noise reduction, root resistance thorn.It can be kept the skin wet using the rainwater of storage for matrix.
Description
Technical field
The invention belongs to architecture greening engineering fields, are related to a kind of roof greening drainage plate.
Background technique
With the fast development of Development of China's Urbanization, impermeable material covers the urban size of the length and breadth of land, leads to urban heat island
Effect, urban waterlogging are on the rise, and the contradiction of land use for greening and urban built-up land increasingly intensifies.In order to the maximum extent
Realize rainwater urban area accumulation, infiltration and purification, country and place put into effect successively promote rainwater resource utilization and
The opinion and method of " sponge city " construction of ecological environmental protection.And roof greening will occupy quite a few ratio face of city
Long-pending impermeable surface is changed into greenery patches, also acts as energy-saving and emission-reduction while being detained rainwater, slow row's sustained release, alleviates tropical island effect
The effect of, great function will be played in sponge urban construction.
Roof greening building technology comparative maturity at present.Usual roof greening facility includes waterproof stopping area, stores row
Water layer, containing water filtering layer, hypothallus, vegetable layer etc..Wherein water-storage-drainage layer can drain in time excessive moisture when rainfall is plentiful,
Prevent rotten death of plant；Meanwhile energy storing parts rainwater, the matrix above supplement in arid.Water-storage-drainage layer is green as roof
The important component of change, plays a crucial role.
The water-storage-drainage layer of usual roof greening is all by drainage plate structure.But existing drainage plate focus on mostly and
When drain function, water storage cup is small in size, and distribution dispersion is not connected between water storage cup.It is too small that this may cause reservoir storage, can not
Meet plant demand, the withered death of plant；When water storage, some water storage cups store spill-over and go out, and some is not collected into rainwater also；Use water
When, the water in partial storage cup has dried up, and the water in another part water storage cup is not fully utilized.And existing drainage plate
It usually only include the plate body part of plastics punching press, particulate matter is easy to be deposited in water storage cup, further decreases reservoir storage, simultaneously also
It is easy blocking drainage channel.
Summary of the invention
In view of this, not only inheriting biography the purpose of the present invention is to provide a kind of big reserves roof greening drainage plate
Unite drainage plate draining rapidly, production be easy, stabilized structure, it is easy for construction the features such as, while also possess bigger water storage space,
The cloth aquaporin of optimization, the advantages that being not easy to plug.
In order to achieve the above objectives, the invention provides the following technical scheme:
A kind of big reserves roof greening drainage plate, including plate face, plate made of high density polyethylene (HDPE) (HDPE) punching press
Water storage cup on face, the connectivity slot for connecting water storage cup, the drainage hole in plate face, the support column of trigone arrow-like, in plate face and bottom of a cup
Non-woven geotextile, the water sucting belt in geotextiles and the cavity drainage channel under plate face and connectivity slot of bonding.
The water storage cup is hexagonal prism, is arranged on drainage plate in honeycomb.Honeycomb geometric mechanics performance is excellent
Material, antidetonation, noise reduction, good effect of heat insulation are saved in show.The water storage cup volume is big, and stable structure is evenly distributed, in rain
It being capable of storage rainwater as much as possible when water abundance.
Further, the connectivity slot connects each water storage cup, guarantees that water distribution is uniform, the plant prevented dries up and some plants
It is flooded.Connectivity slot along slope direction is deeper, is conducive to the water storage cup water distribution uniformity between climb and fall；The connectivity slot of horizontal side is shallower,
While being connected to the water storage cup of horizontal side, bigger drainage space is reserved for cavity drainage channel under plate face, guarantees that draining is unimpeded.
The width of connectivity slot can determine according to actual needs, its water-holding capacity can be increased by suitably widening.
Further, the water storage cup and connectivity slot are sealed in drainage edges of boards cause wooden partition, guarantee that the water of storage will not flow
It walks.When needing to cut, only bonding machine or dedicated binder need to be used to seal section opening, so that it may guarantee the storage of other parts
Cup and the normal water storage of connectivity slot.
Further, it is provided with drainage hole on the water storage cup and the plate face region other than connectivity slot, each plate face region is set
Set 3 drainage holes, drainage efficiency is high, guarantee the draining of drainage plate it is unobstructed, timely, will not ponding；In each plate face region
Between non-aperture position below be equipped with the support column of trigone arrow-like, the structure together with the trigone arrow-like support column that the rib of water storage cup is constituted
At honeycomb supporting structure, enhance the load-bearing capacity of drainage plate, lighter weight while guarantees the hardened structure of entire drainage
It is firm.Only lean on water storage wall of cup as support different from traditional drainage plate, the present invention is while water storage wall of cup load-bearing, with conjunction
The support column that removing the work is set together, improves the load-bearing capacity and stability of drainage plate, drainage plate is done more
To obtain bigger water-holding capacity.
Further, the non-woven geotextile is bonded in drainage plate upper and lower surface, has the function of root resistance thorn, makes construction more
Add conveniently.Top non-woven geotextile can filter rainwater, prevent the impurity in rainwater from blocking drainage channel or being deposited in water storage cup,
It is also equipped with certain water-absorbing-retaining ability simultaneously, moreover it is possible to which the moisture that Transmit evenly water sucting belt absorbs gives top matrix.Lower section nonwoven
Geotextiles can cut down the potential energy for being formed by runoff, slow down flow velocity, rise together with whole system while filtering, water conservation
To the effect of slow row's sustained release.The non-woven geotextile and drainage plate bonding keep total more firm.
Further, the water sucting belt is distributed in each water storage cup and the wider connectivity slot of horizontal side, the suction at water storage cup
Water band is deep into cup, and water sucting belt is connected with the non-woven geotextile of top.In rainwater deficiency, water sucting belt can be made by infiltration
With with capillarity that the Water transport in water storage cup and connectivity slot is uniform to top non-woven geotextile, then by top non-woven geotextile
It is that matrix keeps the skin wet, to increase plant in the survival rate in dry season.
The beneficial effects of the present invention are:
Stable structure, integral strength is high, and drainage plate can do more to obtain bigger reservoir storage；Honeycomb is not
Only excellent mechanical, also saving material, antidetonation, noise reduction, good effect of heat insulation；It drains unobstructed, is not easy to plug, can arrange in time
A-hundred-year heavy rain out, while runoff decrease flow velocity extend the time that runoff flows into municipal drainage system, and be staggered flood peak, subtracts
The burden of light municipal drainage system；Reservoir storage is big, at the same can capillary water absorption be matrix moisturizing, significant increase plant survival rate,
Reduce irrigation and maintenance cost；Geotextiles are incorporated, keep construction more succinct convenient.
Detailed description of the invention
In order to keep the purpose of the present invention, technical scheme and beneficial effects clearer, the present invention provides following attached drawing and carries out
Illustrate:
Fig. 1 is big reserves roof greening drainage plate structure schematic diagram；
Fig. 2 is big reserves roof greening drainage plate plan view；
Fig. 3 is big reserves roof greening drainage plate plate face perspective view；
Fig. 4 is big reserves roof greening drainage plate plate face sectional view a-a；
Fig. 5 is embodiment one: drainage plate overlap joint, drainage edges of boards edge, drainage plate layout drawing at parapet；
Fig. 6 is embodiment two: drainage plate layout drawing at planting area discharge outlet.
Specific embodiment
Below by a preferred embodiment of the present invention will be described in detail.
Referring to Fig.1, Fig. 2, a kind of big reserves roof greening drainage plate of the present invention, including by high density polyethylene (HDPE) (HDPE)
Water storage cup (2) in plate face made of punching press (1), plate face, the connectivity slot (3-1,3-2) for connecting water storage cup, the draining in plate face
Hole (4), the support column (5) of trigone arrow-like, the suction in plate face and on the non-woven geotextile (6-1,6-2) of bottom of a cup bonding, geotextiles
Cavity drainage channel (8) under water band (7-1,7-2) and plate face (1) and connectivity slot (3-1,3-2).
The present invention uses hexagonal prism water storage cup (2), arranges on drainage plate in honeycomb, and geometric mechanics performance is excellent
Show, stable structure save material, and antidetonation, noise reduction, good effect of heat insulation, volume is big, are evenly distributed, the energy when rainfall is plentiful
Enough storage rainwater as much as possible.It is connected between water storage cup (2) by connectivity slot (3-1,3-2), guarantees that water distribution is uniform.Along slope direction
Connectivity slot (3-1) is relatively deep, is conducive to water storage cup (2) water distribution uniformity between climb and fall；The connectivity slot (3-2) of horizontal side is wide and shallow,
Increase reservoir storage while being connected to water storage cup (2) of horizontal side, reserves bigger row for cavity drainage channel (8) under plate face (1)
Hydrospace guarantees that draining is unimpeded.The width of connectivity slot (3-1,3-2) is deep to be not limited only to illustrated case, can be set as needed.Store row
The sealing of water edges of boards listrium wall, allows the water to be stored in water storage unit.Drainage hole (4) drainage efficiency of plate face region setting is high, protects
Demonstrate,prove drainage plate draining it is unobstructed, timely, will not ponding.The trigone arrow-like support column (5) in plate face region and the rib of water storage cup are constituted
Trigone arrow-like support column (5) constitute honeycomb supporting structure together, load-bearing capacity is strong, guarantees entire store while lighter weight
Drain bar structure consolidates；Stable structure allows drainage plate to do more, and is not limited only to illustrated case, according to reality
The higher drainage plate of situation has bigger reservoir storage.Drainage plate upper and lower surface bonds non-woven geotextile (6-1,6-2),
While root resistance is pierced, keeps drainage plate overall structure more firm, top non-woven geotextile (6-1) also filters rainwater, prevents rain
Impurity in water blocks drainage channel or is deposited in water storage cup, is provided simultaneously with certain water-absorbing-retaining ability, moreover it is possible to equably pass
The moisture for passing water sucting belt (7-1,7-2) absorption gives top matrix.Lower section non-woven geotextile (6-2), can while filtering, water conservation
To cut down the potential energy for being formed by runoff, slow down flow velocity, plays the role of arranging sustained release slowly together with whole system.With top nonwoven
The water sucting belt (7-1,7-2) of geotextiles (6-1) connection is distributed in each water storage cup (2) and the wider connectivity slot of horizontal side (3-2),
Water sucting belt (7-2) at water storage cup (2) is deep into cup.When rainwater deficiency, water sucting belt (7-1,7-2) can pass through infiltration
The rainwater of storage in water storage cup (2) and connectivity slot (3-1,3-2) is transmitted to top non-woven geotextile by effect and capillarity
(6-1), then uniformly kept the skin wet by top non-woven geotextile (6-1) for matrix, to increase plant in the survival in dry season
Rate.
Further, the water sucting belt (7-1,7-2) is in each water storage cup (2) and the wider connectivity slot of horizontal side (3-2)
Distribution can refer to Fig. 2 plan view.
Further, referring to Fig. 3 perspective view, it may be clearly seen that the trigone arrow-like support column (5) is in drainage plate
On honeycomb arrangement and the cavity drainage channel (8).
Further, referring to Fig. 4 sectional view, the cavity drainage channel (8) has enough drainage spaces, can arrange in time
Water is not easy to plug.
Embodiment one:
In this instance, drainage plate is along roofing along the smooth laying in slope.The regular hexagon side length b of the hardened structure of drainage=
30mm, drainage channel minimum altitude h=20mm, the high H=30mm of plate.The drainage channel of drainage plate is regarded as cross section A=
The cuboid sink of 30mm × 20mm, water flow are considered as open channel uniform flow.Wooden partition roughness n1=0.012, non-woven geotextile roughness n2
=0.02, comprehensive roughness n_c=(X_1n_1+X_2n_2)/(X_1+X_2)=(bn_1+2hn_2)/(b+2h)
=0.0154, X1, X2 are respectively the wetted perimeter length for corresponding to roughness n1, n2 in formula.By velocity formula v=(A^ (2/3) i^
(1/2))/(n " X " ^ (2/3)) knows, flow velocity is inversely proportional with roughness, can obtain the drainage plate draining common drainage of velocity ratio
Plate slowly about 22% can play the effect of slow row's sustained release, and be staggered production stream peak, mitigate drainage system burden.According to " planted roof work
Journey technical regulation JGJ 155-2007 " and " Chongqing City planted roof technical regulation DBJT50-067-2007 ", using sloping layer slope
Spend i=2%, according to Chezy formula and Manning formula, flow Q_1=(A^ (5/3) i^ (1/2))/(n_ of single drainage channel
C " X " ^ (2/3))=0.000231m^3/s.The drainability of unit width drainage plate is Q_u=1/3a Q_1=
0.00256m^3/sm=2.56l/sm.According to Chongqing City's Rain Intensity Formula Based, Designed recurrence period P=100a is taken, rainfall is total
Last T=180min, rainfall early strength is maximum, take t=0min acquire peak rainfall intensity q=2822 (1+0.775lgP)/
(t+12.8P^0.076) ^0.77=771.8l/sha, adding up rainfall is 132.46mm, is torrential rain.It is changed by unit
It calculates, the drainage plate along length of grade 20m need to drain Qr=1.54l/sm in storm intensity maximum.Qu > Qr, the drainage plate
It can satisfy the drainage requirement of a-hundred-year heavy rain, keep flowing water unimpeded, aqueous vapor balance.
In this instance, water storage cup side length b=30mm, a height of H=30mm；Slope aspect is connected to groove width c1=10mm, deep d1=
20mm；Horizontal side is connected to groove width c2=20mm, deep d2=10mm.Its water-holding capacity is about V=10.28l/m2, accounts for about drainage
The 1/3 of plate bulk, water-holding capacity is outstanding.
In this instance, drainage plate overlap joint is as shown in figure 5, plate face (1) and top geotextiles (6-1) are all mutually lapped
Bonding machine solder up can be used in 10cm, plate face (1), and dedicated binder can be used in the place for not being available bonding machine.It is storing
Bottom plate is wrapped up with top geotextiles, and is pressed against under bottom plate in drain bar edge.
In this instance, there is the cobble isolation strip of wide 500mm between planting matrix and parapet, between isolation strip and planting matrix
It is isolated with partition, divider height is 50mm higher than matrix top layer.Drainage plate from partition bottom as shown in figure 5, pass through, extension
To wall side, top geotextiles (6-1) scroll up package isolation strip filler along parapet.
Embodiment two:
In this instance, drainage plate discharge structure is kept constant with embodiment one, and other structures are almost the same, except plate height increases
Height arrives H=50mm, and slope aspect is connected to groove width c1=20mm, deep d1=40mm, and horizontal side is connected to groove width c2=20mm, deep d2=
30mm.Q_u=2.56l/sm in its drainability and embodiment one, water-holding capacity is about V=21.4l/m2, is obtained
Significant increase.
In this instance, as shown in fig. 6, having 500mm cobble isolation strip, isolation strip and kind at the discharge outlet in greening range
It is isolated between phytyl matter with partition, divider height is 50mm higher than matrix top layer.Inspection box is set in discharge outlet.Drainage plate from
Partition bottom passes through, and extends discharge outlet, and top geotextiles (6-1) and inspection box bottom edge overlap.
The beneficial effect comprise that stable structure, integral strength is high, and drainage plate can do more to obtain more
Big reservoir storage；Honeycomb not only excellent mechanical, also saving material, antidetonation, noise reduction, good effect of heat insulation；Draining
It is unobstructed, it is not easy to plug, a-hundred-year heavy rain, while runoff decrease flow velocity can be discharged in time, extend runoff and flow into municipal drainage
The time of system, be staggered flood peak, mitigates the burden of municipal drainage system；Reservoir storage is big, at the same can capillary water absorption be matrix mend
Water, significant increase plant survival rate, reduces irrigation and maintenance cost；Geotextiles are incorporated, keep construction more succinct convenient.
It is above only that embodiments of the present invention are explained in detail, but the present invention is not limited to above-mentioned in conjunction with described in attached drawing
Embodiment can also not depart from ancestor of the present invention within the scope of knowledge possessed by those of ordinary skill in the art
Various changes can be made under the premise of purport.All within the spirits and principles of the present invention, made any modification, equivalent replacement, change
Into etc., it should all be included in the protection scope of the present invention.
Claims (2)
1. a kind of big reserves roof greening drainage plate, which is characterized in that including being made of high density polyethylene (HDPE) (HDPE) punching press
Plate face (1), the water storage cup (2) in plate face, connect water storage cup connectivity slot (3-1,3-2), the drainage hole (4) in plate face, three
On the support column (5) of rib arrow-like, plate face and on the non-woven geotextile (6-1,6-2) of bottom of a cup bonding, geotextiles water sucting belt (7-1,
7-2) and the cavity drainage channel (8) under plate face (1) and connectivity slot (3-1,3-2), the water storage cup (2) in plate face is in positive six rib
Cylinder, and water storage cup is arranged in honeycomb, is arranged on the plate face region other than water storage cup (2) and connectivity slot (3-1,3-2) and is arranged
3 drainage holes (4) are arranged in water hole (4), each plate face region；Trigone is equipped with below the position of non-aperture among each plate face region
The support column (5) of arrow-like, the trigone arrow-like support column (5) constituted with the rib of water storage cup constitute honeycomb supporting structure together.
2. big reserves roof greening drainage plate according to claim 1, which is characterized in that between each water storage cup (2)
It is connected by connectivity slot (3-1,3-2), the connectivity slot (3-1) along gradient direction is deeper, and the water storage cup (2) be conducive between climb and fall is equal
Even water distribution, width and depth can determine as needed；The connectivity slot (3-2) of horizontal side is shallower, is connected to the water storage of horizontal side
While cup (2), bigger drainage space is reserved for cavity drainage channel (8) under plate face (1), guarantees that draining is unimpeded, it can also root
According to the connectivity slot (3-2) for needing to widen horizontal side, it is made to have bigger water-holding capacity, water storage unit is used in drainage edges of boards edge
Wooden partition sealing.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611147461.7A CN106760239B (en) | 2016-12-13 | 2016-12-13 | A kind of big reserves roof greening drainage plate |
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| CN201611147461.7A CN106760239B (en) | 2016-12-13 | 2016-12-13 | A kind of big reserves roof greening drainage plate |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107401252B (en) * | 2017-07-19 | 2023-04-07 | 上海现代建筑装饰环境设计研究院有限公司 | Roof reversed beam prefabricated water storage and drainage member and mounting method thereof |
| CN108193576B (en) * | 2017-12-26 | 2020-02-14 | 同济大学 | Permeation paving structure capable of continuously relieving urban heat island effect |
| CN108678297B (en) * | 2018-06-06 | 2020-08-07 | 西安建筑科技大学 | Slim roof garden of intelligence drainage and water |
| CN110984350A (en) * | 2019-12-04 | 2020-04-10 | 北京林业大学 | Water storage system with water storage, vibration reduction and irrigation functions |
| 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 |
| CN113853862B (en) * | 2021-09-29 | 2022-09-23 | 大连地拓环境科技有限公司 | Trapezoidal spray seeding method for easy-sliding rock slope by using soft soil matrix |
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| CN2627108Y (en) * | 2003-05-29 | 2004-07-21 | 许路 | Water retaining and drainage arrangement for architecture platform and roof planting |
| CN201261930Y (en) * | 2008-07-18 | 2009-06-24 | 张大忠 | Water-storing draining plate |
| JP2015125143A (en) * | 2013-12-26 | 2015-07-06 | 卯 石井 | Radiation penetration reduction structural base material, radiation protection green space and radioactive material diffusion prevention measure greening structure using the same |
| CN203775762U (en) * | 2014-01-02 | 2014-08-20 | 北京中农锦澜生态科技有限公司 | Multifunctional roof greening cultivation groove |
| CN203716021U (en) * | 2014-01-12 | 2014-07-16 | 郑金光 | Road planting impoundment and drainage plate |
| CN203905318U (en) * | 2014-06-04 | 2014-10-29 | 浙江元成园林集团股份有限公司 | Roof greening water storing and draining plate |
| CN204475699U (en) * | 2015-02-09 | 2015-07-15 | 北京建筑大学 | A kind of with geotextiles fix Fang Huan store row's type Green Roof plantation module |
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