CN109972793A - The green plant roof structure of reversed beam - Google Patents
The green plant roof structure of reversed beam Download PDFInfo
- Publication number
- CN109972793A CN109972793A CN201910239918.4A CN201910239918A CN109972793A CN 109972793 A CN109972793 A CN 109972793A CN 201910239918 A CN201910239918 A CN 201910239918A CN 109972793 A CN109972793 A CN 109972793A
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- soil
- waterproof
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- 241001464837 Viridiplantae Species 0.000 title claims abstract description 19
- 239000004567 concrete Substances 0.000 claims abstract description 56
- 239000002689 soil Substances 0.000 claims abstract description 42
- 239000000463 material Substances 0.000 claims abstract description 21
- 229920000728 polyester Polymers 0.000 claims abstract description 19
- 239000003973 paint Substances 0.000 claims abstract description 18
- 229920002635 polyurethane Polymers 0.000 claims abstract description 17
- 239000004814 polyurethane Substances 0.000 claims abstract description 17
- 239000004746 geotextile Substances 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000004743 Polypropylene Substances 0.000 claims abstract description 13
- -1 polypropylene Polymers 0.000 claims abstract description 13
- 229920001155 polypropylene Polymers 0.000 claims abstract description 13
- 239000011269 tar Substances 0.000 claims description 17
- 239000000654 additive Substances 0.000 claims description 10
- 230000000996 additive effect Effects 0.000 claims description 10
- 239000004088 foaming agent Substances 0.000 claims description 8
- 238000005187 foaming Methods 0.000 claims description 7
- 239000005416 organic matter Substances 0.000 claims description 7
- 239000006260 foam Substances 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 239000011280 coal tar Substances 0.000 claims description 4
- 238000003912 environmental pollution Methods 0.000 claims description 4
- 150000002148 esters Chemical class 0.000 claims description 4
- 230000008595 infiltration Effects 0.000 claims description 4
- 238000001764 infiltration Methods 0.000 claims description 4
- 230000007794 irritation Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 239000005871 repellent Substances 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 240000007594 Oryza sativa Species 0.000 claims description 3
- 235000007164 Oryza sativa Nutrition 0.000 claims description 3
- 239000003570 air Substances 0.000 claims description 3
- 230000002421 anti-septic effect Effects 0.000 claims description 3
- 239000010426 asphalt Substances 0.000 claims description 3
- 239000004568 cement Substances 0.000 claims description 3
- 238000006757 chemical reactions by type Methods 0.000 claims description 3
- 230000001112 coagulating effect Effects 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000007596 consolidation process Methods 0.000 claims description 3
- 230000008602 contraction Effects 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 238000011065 in-situ storage Methods 0.000 claims description 3
- 239000000320 mechanical mixture Substances 0.000 claims description 3
- 235000009566 rice Nutrition 0.000 claims description 3
- 150000003839 salts Chemical class 0.000 claims description 3
- 239000002002 slurry Substances 0.000 claims description 3
- 238000009987 spinning Methods 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 claims description 2
- 239000010410 layer Substances 0.000 description 79
- 230000000694 effects Effects 0.000 description 7
- 238000009413 insulation Methods 0.000 description 6
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- 241000196324 Embryophyta Species 0.000 description 3
- 239000011247 coating layer Substances 0.000 description 3
- 239000011381 foam concrete Substances 0.000 description 3
- 238000004078 waterproofing Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 238000009738 saturating Methods 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 230000008635 plant growth Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000009919 sequestration Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/20—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D11/00—Roof covering, as far as not restricted to features covered by only one of groups E04D1/00 - E04D9/00; Roof covering in ways not provided for by groups E04D1/00 - E04D9/00, e.g. built-up roofs, elevated load-supporting roof coverings
-
- 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
- E04D5/00—Roof covering by making use of flexible material, e.g. supplied in roll form
- E04D5/10—Roof covering by making use of flexible material, e.g. supplied in roll form by making use of compounded or laminated materials, e.g. metal foils or plastic films coated with bitumen
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/24—Structural elements or technologies for improving thermal insulation
- Y02A30/254—Roof garden systems; Roof coverings with high solar reflectance
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B80/00—Architectural or constructional elements improving the thermal performance of buildings
- Y02B80/32—Roof garden systems
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Cultivation Of Plants (AREA)
Abstract
The present invention provides a kind of green plant roof structures of reversed beam, from top to bottom successively include dredging matter rural area soil layer, polyester geotex-tile filter layer, pebble layer, atactic polypropylene (APP) modified bituminous waterproof sheet material layer, non-tar polyurethane water-proof paint layer, UEA expansive concrete waterproof layer, lightweight concrete filled layer, inverted beam structure top plate；The crossbeam of several parallelly distribute ons and the stringer of several parallelly distribute ons are wherein evenly arranged on inverted beam structure top plate, the crossbeam and stringer square crossing are distributed to form matts structure；Lightweight concrete filled layer is set to the matts inside configuration, the upper surface of lightweight concrete filled layer and crossbeam and the top surface of stringer cooperatively forms planar structure.The present invention solves the problems, such as that load is overweight and water difficulty row, also solves the problems, such as thermal-insulating waterproof and store up quality to be difficult to ensure.
Description
Technical field
The present invention relates to the technical fields of urban afforestation development, and in particular to a kind of green plant roof structure of reversed beam.
Background technique
The newly-built certain afforestation squares in China at present, structure roof use reversed beam knot to improve the clear height of the underground space
Structure, beam face absolute altitude are higher by 55-70 centimetres of top plate, intersect in length and breadth, formation groined type area lattice, and 6-12 meters of side length or so.It is covered on top plate
It is native 2-3 meters thick, carry out landscape planting.In the case where meeting green plant requirement, mitigate top plate load, improves waterproof quality, accomplish
Anti-, row stores, plants and lay equal stress on, and considers the adverse effect of reversed beam area lattice again, how to select suitable green plant structure's practice is this engineering
The key of success or failure.Traditional green plant roofing way is that heat insulation layer is first done in base, then levelling, does waterproof, then does storage and plant, and is protected
Warm thermal insulation layer, which generallys use, is laid with insulation board or spraying hard-foam polyurethane thermal insulation material, and for above-mentioned square item, plate
On have 55-70 centimetres high of reversed beam area lattice, basal plane out-of-flatness, insulation water-proof layer effect is difficult to ensure, and the ponding in area's lattice is difficult
With discharge, influences plant growth and survive；2-3 meters of earthing thick, overburden load reaches 4-6 ton/square metre on plate, and structure is difficult to bear,
It is uneconomical.
Summary of the invention
The purpose of the present invention is to the defects of the prior art, provide a kind of green plant roof structure of reversed beam, solve lotus
The problem of carrying overweight and water difficulty row, also solves the problems, such as thermal-insulating waterproof and stores up quality to be difficult to ensure.
The present invention provides a kind of green plant roof structures of reversed beam, it is characterised in that from top to bottom successively includes dredging matter rural area soil
Layer, polyester geotex-tile filter layer, pebble layer, atactic polypropylene (APP) modified bituminous waterproof sheet material layer, non-tar polyurethane water-proof paint layer,
UEA expansive concrete waterproof layer, lightweight concrete filled layer, inverted beam structure top plate；Wherein on inverted beam structure top plate uniformly
It is provided with the crossbeam of several parallelly distribute ons and the stringer of several parallelly distribute ons, the crossbeam and stringer square crossing are distributed shape
At matts structure；Lightweight concrete filled layer is set to the matts inside configuration, the upper table of lightweight concrete filled layer
Face and the top surface of crossbeam and stringer cooperatively form planar structure, the UEA expansive concrete waterproof layer, non-tar polyurethane
Waterproof coating layer, atactic polypropylene (APP) modified bituminous waterproof sheet material layer, pebble layer, polyester geotex-tile filter layer, dredge matter rural area soil layer by
Under supreme be successively laid in above the planar structure.
The lightweight concrete filled layer uses cement for major gelled material, adds a certain amount of water, additive mixes and stirs
At slurry, then with foam made of foaming agent, water, air mixed foaming carry out mechanical mixture after, cast in situs or enter mould solidification
Form concrete, it is desirable that thermal coefficient is less than or equal to 0.180W/ (mk)；Foaming agent requires coefficient of foaming to be more than or equal to 25 times；
The concrete that the lightweight concrete filled layer uses requires dry bulk density to reach 750-850 kilograms/cubic metre；The lightweight
Coagulating layer should require compression strength to be more than or equal to 3.5 megapascal, and water absorption rate is less than or equal to 20%.
The UEA expansive concrete waterproof layer is a kind of concrete rigid waterproof layer with micro-expansibility, is used
Concrete and UEA expansion additive marked as C25 mix, and UEA expansion additive establishes pre-tensile stress in concrete,
It prevents from generating contraction fissure during concrete setting；The UEA expansive concrete waterproof layer also serves as screed-coat and waterproof
The base of coating；Described 8 centimetres of UEA expansive concrete waterproofing layer thickness, to increase concrete rigidity, configure single-layer bidirectional
6@of Φ, 200 steel mesh.How configuration reinforcement net.
The non-tar polyurethane water-proof paint layer uses two-component curing reaction type water-repellent paint；The poly- ammonia of non-tar
Ester waterproof coating layer is free of coal tar, and irritation peculiar smell is small, and environmental pollution is few；The non-tar polyurethane water-proof paint thickness
Degree is more than or equal to 0.25 centimetre, it is desirable that tensile strength is more than or equal to 1.9 megapascal, and tearing strength is more than or equal to 12 Ns/millimeter.
The atactic polypropylene (APP) modified bituminous waterproof sheet material layer uses the waterproof roll comprising complex copper tire base, polyester base, contains
There is chemical root resistance agent, there is good resistance to root thorn performance；Atactic polypropylene (APP) modified bituminous waterproof sheet material thickness degree is more than or equal to 0.4 li
Rice, it is desirable that solubles content is more than or equal to 3000 grams/m, and stretching resistance is more than or equal to 800 Ns/50 millimeters, and extensibility is greater than
Equal to 40%.
The pebble layer is using naturally occurring without corner angle gravel, it is desirable that 2-3 centimetres of partial size；The pebble layer thickness
It is 8 centimetres.
The polyester geotex-tile filter layer prevents soil loss, exhausts for top soil horizon and lower part drainage layer to be isolated
Extra moisture in soil horizon；It is required that unit mass is not less than 300 grams/m；Effective aperture is 0.007-0.02 centimetres, is seeped
Saturating coefficient is more than or equal to 10-2 cm/s；The polyester geotex-tile filter layer is direct through spinning needle thorn consolidation using polyester method
Manufactured material has excellent Resisting fractre ability and antiseptic property, can be effectively protected substructure, it is desirable that its breaking strength
More than or equal to 15,000 ns/m, elongation 40%-60%.
The thin matter rural area soil layer is the planting soil of backfill, and the soil is porous, and not hardened, soil block is easily smashed, and is saturated watertight
Degree is less than or equal to 1100 kilograms/cubic metre, and infiltration coefficient is more than or equal to 10-4 cm/s；The thin matter rural area soil layer, which uses, to be contained
There is the cultivation soil of organic matter, it is desirable that the content of organic matter is more than or equal to 5%, and total salt content is less than or equal to 0.3%, pH value 6.5-
7.5。
Present invention can assure that the functional requirement of green plant, design follows the principle that " anti-, row stores, plants " lays equal stress on, including soil
The thickness and nutrient, the isolation effect of filter layer and water filtering performance, the selection of drainage blanket and the requirement of puncture-resistant of layer.Dredge matter field
Garden mould layer has quality loose, not hardened, and soil block, which is easily smashed, waits excellent performances, and contains certain organic matter, is suitble to large area
Afforestation.Polyester geotex-tile filter layer, can permanent sequestration top soil horizon, prevent soil loss, and can effectively exhaust soil
Extra moisture in layer plays the role of good isolation and drainage.Pebble layer is naturally pollution-free, and drainage performance is superior, resistance to
Long property is good.Modified asphalt waterproof coiled material has good resistance to root thorn performance containing chemical root resistance agent.
The present invention effectively ensures that waterproofing and thermal insulation of roofing effect, the good heat insulation property of foamed concrete can also serve as roofing
Insulating layer, effect is good, low cost.Double-layer waterproof effect is firm, it is ensured that perfectly safe；Atactic polypropylene (APP) modified bituminous waterproof sheet material, both
With unique high temperature resistance, while there is good low temperature flexibility again, water-tolerant, elasticity is good, and elongation percentage is big, adapts to base
Deformability is strong.Non- tar polyurethane water-proof paint has excellent extensibility, and performance is stablized, and waterproof performance is reliable, and is free of
Coal tar, irritation peculiar smell is small, and environmental pollution is few.
The present invention can effectively reduce roof load, saving construction cost.Certain squares earthing 2-3m on roofing, load is big, single
Position 6-10 tons/cubic meter of weight.It for self weight is effectively reduced, selects and dredges matter rural area soil, filled layer is selected foamed concrete, both met
Functional requirement, and mitigate from weighing about 20%, top plate saving construction cost about 15% has good economic effect.
Detailed description of the invention
Fig. 1 is for schematic structural view of the invention；
Fig. 2 is for inverted beam structure top plate schematic diagram of the invention.
Wherein, it is atactic polypropylene (APP) modified bituminous anti-to dredge matter rural area soil layer, 2- polyester geotex-tile filter layer, 3- pebble layer, 4- by 1-
The non-tar polyurethane water-proof paint layer of water coiled material layer, 5-, 6-UEA expansive concrete waterproof layer, the filling of 7- lightweight concrete
Layer, 8- inverted beam structure top plate, 9- crossbeam stringer.
Specific embodiment
The following further describes the present invention in detail with reference to the accompanying drawings and specific embodiments, convenient for this hair is well understood
It is bright, but they limiting the invention.
As shown in Figure 1, the green plant roof structure of reversed beam, it is characterised in that from top to bottom successively include dredging matter rural area soil layer, gathering
Ester geotextiles filter layer, pebble layer, atactic polypropylene (APP) modified bituminous waterproof sheet material layer, non-tar polyurethane water-proof paint layer, UEA are mended
Repay shrinkage concrete waterproof layer, lightweight concrete filled layer, inverted beam structure top plate；Wherein it is evenly arranged on inverted beam structure top plate
The crossbeam of several parallelly distribute ons and the stringer of several parallelly distribute ons, the crossbeam and stringer square crossing are distributed to form field word
Lattice structure；Lightweight concrete filled layer is set to the matts inside configuration, the upper surface of lightweight concrete filled layer and cross
The top surface of beam and stringer cooperatively forms planar structure, and the UEA expansive concrete waterproof layer, non-tar polyurethane waterproof apply
The bed of material, pebble layer, polyester geotex-tile filter layer, dredges matter rural area soil layer from the bottom to top at atactic polypropylene (APP) modified bituminous waterproof sheet material layer
It is successively laid in above the planar structure.
The lightweight concrete filled layer uses cement for major gelled material, adds a certain amount of water, additive mixes and stirs
At slurry, then with foam made of foaming agent, water, air mixed foaming carry out mechanical mixture after, cast in situs or enter mould solidification
Form concrete, it is desirable that thermal coefficient is less than or equal to 0.180W/ (mk)；The foaming agent, which refers to, can reduce liquid surface
Power generates a large amount of uniform and stable foams, and to produce the additive of foam concrete, foaming agent answers reliable in quality, performance
Well, foaming agent requires coefficient of foaming to be more than or equal to 25 times；The concrete that the lightweight concrete filled layer uses requires stem body
Product density reaches 750-850 kilograms/cubic metre；The lightweight coagulating layer should require compression strength to be more than or equal to 3.5 megapascal, water suction
Rate is less than or equal to 20%；The lightweight refers to that the concrete voids rate after foaming increases, and dry density reduces, weight saving.
The UEA expansive concrete waterproof layer is a kind of concrete rigid waterproof layer with micro-expansibility, is used
Concrete and UEA expansion additive marked as C25 mix, and UEA expansion additive establishes pre-tensile stress in concrete,
It prevents from generating contraction fissure during concrete setting；The UEA expansive concrete waterproof layer also serves as screed-coat and waterproof
The base of coating；Described 8 centimetres of UEA expansive concrete waterproofing layer thickness, to increase concrete rigidity, configure single-layer bidirectional
6@of Φ, 200 steel mesh.
The non-tar polyurethane water-proof paint layer uses two-component curing reaction type water-repellent paint；The poly- ammonia of non-tar
Ester waterproof coating layer is free of coal tar, and irritation peculiar smell is small, and environmental pollution is few；The non-tar polyurethane water-proof paint thickness
Degree is more than or equal to 0.25 centimetre, it is desirable that tensile strength is more than or equal to 1.9 megapascal, and tearing strength is more than or equal to 12 Ns/millimeter.
The atactic polypropylene (APP) modified bituminous waterproof sheet material layer uses the waterproof roll comprising complex copper tire base, polyester base, contains
There is chemical root resistance agent, there is good resistance to root thorn performance；Atactic polypropylene (APP) modified bituminous waterproof sheet material thickness degree is more than or equal to 0.4 li
Rice, it is desirable that solubles content is more than or equal to 3000 grams/m, and stretching resistance is more than or equal to 800 Ns/50 millimeters, and extensibility is greater than
Equal to 40%.
The pebble layer is using naturally occurring without corner angle gravel, it is desirable that 2-3 centimetres of partial size；The pebble layer thickness
It is 8 centimetres.
The polyester geotex-tile filter layer prevents soil loss, exhausts for top soil horizon and lower part drainage layer to be isolated
Extra moisture in soil horizon；It is required that unit mass is not less than 300 grams/m；Effective aperture is 0.007-0.02 centimetres, is seeped
Saturating coefficient is more than or equal to 10-2 cm/s；The polyester geotex-tile filter layer is direct through spinning needle thorn consolidation using polyester method
Manufactured material has excellent Resisting fractre ability and antiseptic property, can be effectively protected substructure, it is desirable that its breaking strength
More than or equal to 15,000 ns/m, elongation 40%-60%.
The thin matter rural area soil layer is the planting soil of backfill, and the soil is porous, and not hardened, soil block is easily smashed, and is saturated watertight
Degree is less than or equal to 1100 kilograms/cubic metre, and infiltration coefficient is more than or equal to 10-4 cm/s；The thin matter rural area soil layer, which uses, to be contained
There is the cultivation soil of organic matter, it is desirable that the content of organic matter is more than or equal to 5%, and total salt content is less than or equal to 0.3%, pH value 6.5-
7.5。
The content that this specification is not described in detail belongs to the prior art well known to professional and technical personnel in the field.
Claims (8)
1. a kind of green plant roof structure of reversed beam, it is characterised in that from top to bottom successively include dredging matter rural area soil layer, polyester geotex-tile
Filter layer, pebble layer, atactic polypropylene (APP) modified bituminous waterproof sheet material layer, non-tar polyurethane water-proof paint layer, UEA compensation are shunk and are mixed
Solidifying soil waterproof layer, lightweight concrete filled layer, inverted beam structure top plate；It is flat that several are wherein evenly arranged on inverted beam structure top plate
The crossbeam of row distribution and the stringer of several parallelly distribute ons, the crossbeam and stringer square crossing are distributed to form matts structure；
Lightweight concrete filled layer is set to the matts inside configuration, the upper surface of lightweight concrete filled layer and crossbeam and stringer
Top surface cooperatively form planar structure, the UEA expansive concrete waterproof layer, non-tar polyurethane water-proof paint layer, modeling
Property modified asphalt waterproof roll layer, pebble layer, polyester geotex-tile filter layer, dredge matter rural area soil layer and successively tile from the bottom to top
Above the planar structure.
2. the green plant roof structure of reversed beam according to claim 1, it is characterised in that: the lightweight concrete filled layer uses
Cement is major gelled material, adds a certain amount of water, additive mixes and stirs into slurry, then with foaming agent, water, air mixed foaming
Made of after foam carries out mechanical mixture, cast in situs or enter mould and solidify to form concrete, it is desirable that thermal coefficient is less than or equal to
0.180W/(m·k)；Foaming agent requires coefficient of foaming to be more than or equal to 25 times；The concrete that the lightweight concrete filled layer uses
It is required that dry bulk density reaches 750-850 kilograms/cubic metre；The lightweight coagulating layer should require compression strength to be more than or equal to 3.5
Megapascal, water absorption rate are less than or equal to 20%.
3. the green plant roof structure of reversed beam according to claim 2, it is characterised in that the UEA expansive concrete waterproof
Layer is a kind of concrete rigid waterproof layer with micro-expansibility, using marked as C25 concrete and UEA expansion additive it is mixed
It closes, UEA expansion additive establishes pre-tensile stress in concrete, prevents from generating contraction fissure during concrete setting；
The UEA expansive concrete waterproof layer also serves as the base of screed-coat and water-repellent paint；The UEA expansive concrete is anti-
8 centimetres of water layer thickness.
4. the green plant roof structure of reversed beam according to claim 3, it is characterised in that non-tar polyurethane water-proof paint layer is adopted
With two-component curing reaction type water-repellent paint；The non-tar polyurethane water-proof paint layer is free of coal tar, and irritation peculiar smell is small,
Environmental pollution is few；The non-tar polyurethane water-proof paint thickness degree is more than or equal to 0.25 centimetre, it is desirable that tensile strength is greater than
Equal to 1.9 megapascal, tearing strength is more than or equal to 12 Ns/millimeter.
5. the green plant roof structure of reversed beam according to claim 4, it is characterised in that atactic polypropylene (APP) modified bituminous waterproof sheet material layer
There is good resistance to root thorn performance containing chemical root resistance agent using the waterproof roll comprising complex copper tire base, polyester base；Modeling
Property modified asphalt waterproof roll thickness degree be more than or equal to 0.4 centimetre, it is desirable that solubles content be more than or equal to 3000 grams/square
Rice, stretching resistance are more than or equal to 800 Ns/50 millimeters, and extensibility is more than or equal to 40%.
6. the green plant roof structure of reversed beam according to claim 4, it is characterised in that the pebble layer is used and naturally occurred
Without corner angle gravel, it is desirable that 2-3 centimetres of partial size；The pebble layer is with a thickness of 8 centimetres.
7. the green plant roof structure of reversed beam according to claim 4, it is characterised in that the polyester geotex-tile filter layer is used for
Top soil horizon and lower part drainage layer is isolated, prevents soil loss, exhausts moisture extra in soil horizon；It is required that unit mass is not
Less than 300 grams/m；Effective aperture is 0.007-0.02 centimetres, and infiltration coefficient is more than or equal to 10-2 cm/s；It is described poly-
Ester geotextiles filter layer using polyester method through the material that is directly prepared into of spinning needle thorn consolidation, with excellent Resisting fractre ability and
Antiseptic property can be effectively protected substructure, it is desirable that its breaking strength is more than or equal to 15,000 ns/m, elongation 40%-
60%.
8. the green plant roof structure of reversed beam according to claim 4, it is characterised in that the thin matter rural area soil layer is backfill
Planting soil, the soil is porous, not hardened, and soil block is easily smashed, and saturation water density is less than or equal to 1100 kilograms/cubic metre, infiltration system
Number is more than or equal to 10-4Cm/s；The thin matter rural area soil layer is using the cultivation soil containing organic matter, it is desirable that the content of organic matter is big
In being equal to 5%, total salt content is less than or equal to 0.3%, pH value 6.5-7.5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN103953148A (en) * | 2014-04-25 | 2014-07-30 | 华南理工大学 | Large-space saddle-shaped overall greening roof system |
| CN204357022U (en) * | 2014-12-26 | 2015-05-27 | 上海聚隆绿化发展有限公司 | The root resistance waterproof construction of roof greening and planting |
| CN204386042U (en) * | 2014-12-23 | 2015-06-10 | 杭州置顶科技有限公司 | A kind of roof afforestation structure |
| CN107700760A (en) * | 2017-09-21 | 2018-02-16 | 中建四局第五建筑工程有限公司 | A kind of reversed beam planted roof water discharge method and its system |
| CN207469615U (en) * | 2017-09-25 | 2018-06-08 | 上海尧舜建筑设计有限公司 | Novel planting roof structure |
| 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 |
| CN210563030U (en) * | 2019-03-27 | 2020-05-19 | 长江勘测规划设计研究有限责任公司 | Inverted beam green plant roof structure |
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| KR101397827B1 (en) * | 2013-06-20 | 2014-05-20 | (주)안성 | Roof outside insulation waterproofing structure and construction method of the same |
| CN103953148A (en) * | 2014-04-25 | 2014-07-30 | 华南理工大学 | Large-space saddle-shaped overall greening roof system |
| CN204386042U (en) * | 2014-12-23 | 2015-06-10 | 杭州置顶科技有限公司 | A kind of roof afforestation structure |
| CN204357022U (en) * | 2014-12-26 | 2015-05-27 | 上海聚隆绿化发展有限公司 | The root resistance waterproof construction of roof greening and planting |
| CN107700760A (en) * | 2017-09-21 | 2018-02-16 | 中建四局第五建筑工程有限公司 | A kind of reversed beam planted roof water discharge method and its 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 |
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| CN109972793B (en) | 2024-04-12 |
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