CN205848071U - A kind of double hypothallus expanding type Green Roof structure - Google Patents
A kind of double hypothallus expanding type Green Roof structure Download PDFInfo
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- CN205848071U CN205848071U CN201620697177.6U CN201620697177U CN205848071U CN 205848071 U CN205848071 U CN 205848071U CN 201620697177 U CN201620697177 U CN 201620697177U CN 205848071 U CN205848071 U CN 205848071U
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- Prior art keywords
- hypothallus
- layer
- double
- roof structure
- expanding type
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Abstract
The utility model discloses a kind of double hypothallus expanding type Green Roof structure, including hypothallus and plant, described hypothallus is made up of upper and lower two parts, its top is nutrient matrix layer, and its underpart is adsorbing base layer, and the above kind of nutrient matrix layer is implanted with plant, adsorbing base layer is provided below filter course, filter course is provided below water-storage-drainage layer, and water-storage-drainage layer is provided below waterproof stopping area, and waterproof stopping area fits with exposed roof.Described nutrient matrix layer is formulated with slow release fertilizer 1:1 by volume by garden soil, and adsorbing base layer is by volume that 1:1:2 is formulated by Vermiculitum, perlite and Pumex or activated carbon.This utility model can not only greening roof, retain rainwater, moreover it is possible to effectively purify Runoff, and management be simple.
Description
Technical field
This utility model belongs to architectural environment field of engineering technology, be specifically related to one have greening roof, retain rainwater,
Purify double hypothallus expanding type Green Roof structures of runoff function.
Background technology
The constantly quickening of urbanization process makes city Permeable stratum area sharply increase, and greenery area constantly reduces.Ground
Table rainfall runoff washes away caused pollution of area source has become the important environmental problem that urban construction is faced.Urban architecture roofing
Accounting for the 40%-50% of city Permeable stratum area, Urban Storm Flood management is significant by Roof Runoff of therefore controlling well.Green
Color roof has and retains rainwater, reduces urban heat land effect, the noise reduction that lays the dust, purifies air, improves building energy conservation effect, plants for dynamic
Thing provides the functions such as habitat, can effectively alleviate urban flooding, increase city's green areas.From the sixties in 20th century, green
Roof rises in succession in countries such as the U.S., Germany, Japan, Canada, and until the nineties, more domestic big cities just start to add
Build Green Roof soon.The existing substrate in Green Roof structure is generally by inorganic matrix (such as sand, slag, Vermiculitum, treasure
Zhu Yan) the single-matrix layer mixed with organic substrate (such as the peat composed of rotten mosses, saw dust, rice husk), also can be properly added certain having
Machine is fertile.Organic substrate and adding of fertilizer are mainly as to meet the plant growing demand to nutrient substance.But, in substrate
Nutrient substance, especially nitrogen phosphorus, may be flowed out Green Roof by rain drop erosion, leaching with runoff, so that green room
Top becomes a kind of new polluter.
Through finding the literature search of prior art, existing Green Roof, as CN201510640896.4 provides one
Planting Green Roof structure, it includes the hypothallus arranged from top to bottom, crosses filter drainage layer, protective layer and waterproof layer, hypothallus
By leaf mould, frog stone with sandy soil according to 5:2:1 proportions, cross filter drainage layer and use upper and lower spaced water-permeable brick, complete
Impurity screening and the function of draining, good filtration effect and displacement are big, it is not necessary to be separately provided filter course and drainage blanket；
CN201310617300.X discloses a kind of New Roof greening system with waterproof and heat-insulating function, is included in roof top and sets
Put open-topped supporting layer, be from bottom to top disposed with in described supporting layer waterproof heat-insulating layer, reservoir bed, drainage layer and
Soil, has plant at soil cultivation, and the position being positioned at reservoir bed in supporting layer side is provided with permeable layer, outside described supporting layer
Being provided with drain pipe, this system is avoided that the phenomenon that roof underlay seeps water occurs, and also improves the merit that roof water-proof is heat insulation simultaneously
Energy；ZL201010197582.9 discloses a kind of roof garden device with standard combination system and construction method, this dress
Putting and include waterproof layer, drainage blanket, filter course and hypothallus, hypothallus is become with compound organic local soil type by washed-out sand, water-loss reducer of soil,
Between filter course and hypothallus, it is provided with the water conservation layer being made up of foam type water suction material, defines structure thin, light weight
Roof garden device standard combination system, makes full use of water conservation layer foam type water suction material and breathes freely the effect of water conservation, be greatly prolonged
Cycle of watering, serve more significantly water-saving result；It is green that CN201510586117.7 provides a kind of volume paving formula roof
Changing structure and greening method thereof, lightweight planting soil therein is entered by soil, humus, frog stone and haydite 2:3:3:2 by volume
Row configuration is made, and this structure takes up room little, convenient transportation, assembling convenient and quick construction, and roof greening construction can be greatly improved
Efficiency and afforestation effect；ZL200610019301.4 discloses a kind of roof greening matrix material and preparation method thereof, with organic
Matter is main component, adds controlled availability fertilizer and roof greening material prepared by water-retaining agent.Prior art mainly focuses on Green Roof knot
Structure, the optimization of material and the interception capacity to rainwater thereof, and often ignore the water quality of Green Roof runoff.
Summary of the invention
The purpose of this utility model is the shortcoming for prior art with not enough, it is provided that one can not only greening roof,
Retain rainwater, moreover it is possible to effectively purify double hypothallus expanding type Green Roof structures of Runoff.
This utility model is achieved by following technical solution.
A kind of double hypothallus expanding type Green Roof structure, including waterproof stopping area, water-storage-drainage layer, filter course, hypothallus
With plant, it is characterised in that described hypothallus is made up of upper and lower two parts, its top is nutrient matrix layer 5, and its underpart is absorption
Hypothallus 4, the above kind of nutrient matrix layer 5 is implanted with plant 6, and adsorbing base layer 4 is provided below filter course 3, below filter course 3
Being provided with water-storage-drainage layer 2, water-storage-drainage layer 2 is provided below waterproof stopping area 1, and waterproof stopping area 1 fits with exposed roof 7；
Described nutrient matrix layer 5 is formulated with slow release fertilizer by garden soil, and garden soil with the volume ratio of slow release fertilizer is
1:1；Adsorbing base layer 4 is formulated by Vermiculitum, perlite and Pumex or activated carbon, and its dose volume is than for 1:1:2；
Density when described hypothallus reaches water saturation state is 620～650kg/m3。
The height of described nutrient matrix layer 5 is 30～50mm.
The height of described adsorbing base layer 4 is 50～100mm.
Described filter course 3 uses geotextiles, and thickness is 3～6mm.
Described water-storage-drainage layer 2, the Shanghai using model to be HW-107 prestige drainage plate, its total height is 25mm.
Described waterproof stopping area 1 uses HDPE antiseepage root separation film or modified pitch root resistant waterproof roll, and its thickness is 1
～3mm.
Described plant 6 uses crassulaceae plants-Herba Sedi Linearis drought-resistant, high temperature resistant, cold-resistant, that survival ability is strong, red autumnal leaves scape
My god, Radix Notoginseng Herba hylotelephii erythrosticti mixed planting；Planting density is 1500～2000 strains/m2。
The gradient of this roof structure is consistent with the gradient on roof, place.
This utility model by Green Roof mesostroma layer support plant growing function with retain rainwater, purify runoff merit
Can separate, compared with prior art, have the advantages that
1. nutrient matrix layer is formulated with slow release fertilizer by garden soil, and the growth the most preferably meeting plant needs
Ask, improve the vegetation coverage of Green Roof, also enhance the Winter protection effect of substrate, beneficially plant safe overwintering.
2. adsorbing base layer use that adsorption capacity is big, light weight and there is the material of enough intensity and wearability, not only full
The foot basic demand of cultivation matrix for roof greening: unit weight ventilative, water conservation fertilizer conservation, clean environment firendly light, loose, the most adsorbable pollution
Thing, effectively purifies runoff, extends the service life of Green Roof simultaneously.
3. water-storage-drainage layer is used drainage plate comprcssive strength height, draining, ventilative, the most also have certain water-retention,
Root resistance, heat insulating function, can be effectively improved the performance of Green Roof.
The most selected plant life ability is strong, it is not necessary to watering, fertilizing, and management is simple.
Accompanying drawing explanation
Fig. 1 is the structural representation of of the present utility model pair of hypothallus expanding type Green Roof structure；
This utility model reference is as follows:
1 waterproof stopping area 2 water-storage-drainage layer
3 filter course 4 adsorbing base layers
5 nutrient matrix layer 6 plants
7 roofs
Detailed description of the invention
With specific embodiment, this utility model is described further below in conjunction with the accompanying drawings, but protection model of the present utility model
Enclose and be not limited to following specific embodiment.
This utility model specific embodiment is positioned on the roof of residential quarter, certain city of northern China, this roof distance ground
6.5m, roof pitch is 2%.
Seeing Fig. 1, the hypothallus of double hypothallus expanding type Green Roof is by the nutrient matrix layer 5 on top and the absorption of bottom
Hypothallus 4 forms, on nutrient matrix layer 5 plant be implanted with plant 6, nutrient matrix layer 5 filter course 3, filter course 3 time are provided below
Face is provided with water-storage-drainage layer 2, and water-storage-drainage layer 2 is arranged below waterproof stopping area 1, and waterproof stopping area 1 fits with exposed roof 7；
Nutrient matrix layer 5 is prepared with slow release fertilizer by garden soil, and its dose volume ratio is for 1:1, and height is 50mm, mainly uses
In supporting plant growing；Adsorbing base layer 4 is prepared by Vermiculitum, perlite and activated carbon, and its dose volume ratio is for 1:1:2, highly
For 100mm, it is mainly used in retaining rainwater and purifying runoff；Density when described hypothallus reaches water saturation state is 650kg/
m3；
The roof load that the described pair of hypothallus expanding type Green Roof structure is increased is 105kg/m2, meet this roof
Weight capacity (500kg/m2)；
The gradient of described pair of hypothallus expanding type Green Roof structure is 2%, consistent with the gradient on roof, place.
Described waterproof stopping area 1 uses HDPE antiseepage root separation film, and thickness is 1mm.
Described water-storage-drainage layer 2 uses Shanghai to hope drainage plate (model is HW-107), and total height is 25mm.
Described filter course 3 uses geotextiles, prevents hypothallus from being entered water-storage-drainage layer 2 by rain drop erosion and running off, and thickness is
6mm。
Described plant 6 uses Herba Sedi Linearis drought-resistant, high temperature resistant, cold-resistant, that survival ability is strong, red autumnal leaves Herba hylotelephii erythrosticti and Radix Notoginseng Herba hylotelephii erythrosticti
Mixed planting, planting density is 1500-2000 strain/m2。
By actual motion, this pair of hypothallus expanding type Green Roof is 36%-to the average cut rate of storm runoff
82%, nitrogen, phosphorus, heavy metal (Zn, Pb, Cr, Mn, Cu, Cd) and COD in its runoffCrConcentration be below associated contamination in rainwater
The concentration of thing, runoff turbidity is 1.12-3.15NTU, wherein the quality clearance of nitrogen in rainwater is up to 64%-78%, to phosphorus
Quality clearance be up to 40%-79%, the quality clearance of heavy metal is up to 76%-95%, and can be by the pH of rainwater
Value (about 5.6) brings up to 6.82～7.57, has effectively neutralized rainwater.It was verified that Green Roof structure of the present utility model can
Effectively catching rainwater also can purify Runoff.
Claims (8)
1. double hypothallus expanding type Green Roof structures, including waterproof stopping area, water-storage-drainage layer, filter course, hypothallus with
Plant, it is characterised in that described hypothallus is made up of upper and lower two parts, its top is nutrient matrix layer (5), and its underpart is absorption
Hypothallus (4), the above kind of nutrient matrix layer (5) is implanted with plant (6), and adsorbing base layer (4) is provided below filter course (3),
Filter course (3) is provided below water-storage-drainage layer (2), and water-storage-drainage layer (2) is provided below waterproof stopping area (1), waterproof stopping area
(1) fit with exposed roof (7)；
Described nutrient matrix layer (5) is formulated with slow release fertilizer by garden soil, and garden soil is 1 with the volume ratio of slow release fertilizer:
1；Adsorbing base layer (4) is formulated by Vermiculitum, perlite and Pumex or activated carbon, and its dose volume is than for 1:1:2；
Density when described hypothallus reaches water saturation state is 620～650kg/m3。
The double hypothallus expanding type Green Roof structure of one the most according to claim 1, it is characterised in that described Nutrient medium
The height of matter layer (5) is 30～50mm.
The double hypothallus expanding type Green Roof structure of one the most according to claim 1, it is characterised in that described absorption base
The height of matter layer (4) is 50～100mm.
The double hypothallus expanding type Green Roof structure of one the most according to claim 1, it is characterised in that described filter course
(3) using geotextiles, thickness is 3～6mm.
The double hypothallus expanding type Green Roof structure of one the most according to claim 1, it is characterised in that described drainage
Layer (2), the Shanghai using model to be HW-107 prestige drainage plate, its total height is 25mm.
The double hypothallus expanding type Green Roof structure of one the most according to claim 1, it is characterised in that described anti-water resistance
Root layer (1) uses HDPE antiseepage root separation film or modified pitch root resistant waterproof roll, and its thickness is 1～3mm.
The double hypothallus expanding type Green Roof structure of one the most according to claim 1, it is characterised in that described plant
(6) crassulaceae plants-Herba Sedi Linearis drought-resistant, high temperature resistant, cold-resistant, that survival ability is strong, red autumnal leaves Herba hylotelephii erythrosticti, Radix Notoginseng Herba hylotelephii erythrosticti is used to mix
Close plantation；Planting density is 1500～2000 strains/m2。
The double hypothallus expanding type Green Roof structure of one the most according to claim 1, it is characterised in that this roof structure
The gradient consistent with the gradient on roof, place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620697177.6U CN205848071U (en) | 2016-07-05 | 2016-07-05 | A kind of double hypothallus expanding type Green Roof structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620697177.6U CN205848071U (en) | 2016-07-05 | 2016-07-05 | A kind of double hypothallus expanding type Green Roof structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205848071U true CN205848071U (en) | 2017-01-04 |
Family
ID=57644392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620697177.6U Expired - Fee Related CN205848071U (en) | 2016-07-05 | 2016-07-05 | A kind of double hypothallus expanding type Green Roof structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205848071U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105993569A (en) * | 2016-07-05 | 2016-10-12 | 天津大学 | Dual-substrate layer expansion type green roof structure |
| CN107143096A (en) * | 2017-06-06 | 2017-09-08 | 长安大学 | A kind of Green Roof retained with rainwater with phosphorus removal functional |
| CN107864781A (en) * | 2017-11-10 | 2018-04-03 | 华北水利水电大学 | The cultivation matrix structure and method of construction in roof rain water garden |
| CN115299319A (en) * | 2022-08-11 | 2022-11-08 | 南昌大学 | Green roof improvement matrix layer and preparation method thereof |
-
2016
- 2016-07-05 CN CN201620697177.6U patent/CN205848071U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105993569A (en) * | 2016-07-05 | 2016-10-12 | 天津大学 | Dual-substrate layer expansion type green roof structure |
| CN107143096A (en) * | 2017-06-06 | 2017-09-08 | 长安大学 | A kind of Green Roof retained with rainwater with phosphorus removal functional |
| CN107864781A (en) * | 2017-11-10 | 2018-04-03 | 华北水利水电大学 | The cultivation matrix structure and method of construction in roof rain water garden |
| CN115299319A (en) * | 2022-08-11 | 2022-11-08 | 南昌大学 | Green roof improvement matrix layer and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170104 Termination date: 20200705 |