CN109972793B - Roof structure is planted to green of back-up beam - Google Patents
Roof structure is planted to green of back-up beam Download PDFInfo
- Publication number
- CN109972793B CN109972793B CN201910239918.4A CN201910239918A CN109972793B CN 109972793 B CN109972793 B CN 109972793B CN 201910239918 A CN201910239918 A CN 201910239918A CN 109972793 B CN109972793 B CN 109972793B
- Authority
- CN
- China
- Prior art keywords
- layer
- equal
- concrete
- waterproof
- soil
- 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.)
- Active
Links
- 239000004567 concrete Substances 0.000 claims abstract description 60
- 239000002689 soil Substances 0.000 claims abstract description 44
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000000463 material Substances 0.000 claims abstract description 23
- 238000011049 filling Methods 0.000 claims abstract description 21
- 229920000728 polyester Polymers 0.000 claims abstract description 21
- 229920002635 polyurethane Polymers 0.000 claims abstract description 19
- 239000004814 polyurethane Substances 0.000 claims abstract description 19
- 239000010426 asphalt Substances 0.000 claims abstract description 16
- 229920000034 Plastomer Polymers 0.000 claims abstract description 15
- 241001464837 Viridiplantae Species 0.000 claims abstract description 9
- 239000004746 geotextile Substances 0.000 claims abstract description 8
- 239000003973 paint Substances 0.000 claims abstract description 8
- 230000002209 hydrophobic effect Effects 0.000 claims abstract description 6
- 239000010410 layer Substances 0.000 claims description 127
- 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
- 239000011247 coating layer Substances 0.000 claims description 10
- 239000006260 foam Substances 0.000 claims description 8
- 239000004744 fabric Substances 0.000 claims description 7
- 238000005187 foaming Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 239000004088 foaming agent Substances 0.000 claims description 6
- 239000011159 matrix material Substances 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- 230000035699 permeability Effects 0.000 claims description 6
- 239000002002 slurry Substances 0.000 claims description 6
- 239000011280 coal tar Substances 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 4
- 239000003112 inhibitor 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
- 238000010521 absorption reaction Methods 0.000 claims description 3
- 239000004568 cement Substances 0.000 claims description 3
- 238000006757 chemical reactions by type Methods 0.000 claims description 3
- 239000002131 composite material Substances 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
- 239000011148 porous material Substances 0.000 claims description 3
- 150000003839 salts Chemical class 0.000 claims description 3
- 229920006395 saturated elastomer Polymers 0.000 claims description 3
- 238000007711 solidification Methods 0.000 claims description 3
- 230000008023 solidification Effects 0.000 claims description 3
- 238000009987 spinning Methods 0.000 claims description 3
- 239000003570 air Substances 0.000 claims 1
- 238000007596 consolidation process Methods 0.000 claims 1
- 238000003860 storage Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000004321 preservation Methods 0.000 abstract description 2
- 230000002265 prevention Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 7
- 238000003912 environmental pollution Methods 0.000 description 3
- 239000011381 foam concrete Substances 0.000 description 3
- 230000035515 penetration Effects 0.000 description 3
- 238000004078 waterproofing Methods 0.000 description 3
- 241001391944 Commicarpus scandens Species 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000008635 plant growth Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 239000011800 void material Substances 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 invention provides a reverse beam green plant roof structure which sequentially comprises a hydrophobic garden soil layer, a polyester geotextile filter layer, a cobble layer, a plastomer modified asphalt waterproof coiled material layer, a non-tar polyurethane waterproof paint layer, a UEA compensating shrinkage concrete waterproof layer, a lightweight concrete filling layer and a reverse beam structure top plate from top to bottom; the roof of the inverted beam structure is uniformly provided with a plurality of parallel cross beams and a plurality of parallel longitudinal beams, and the cross beams and the longitudinal beams are vertically and alternately distributed to form a grid structure; the light concrete filling layer is arranged inside the grid structure, and the upper surface of the light concrete filling layer is matched with the top surfaces of the cross beam and the longitudinal beam to form a planar structure. The invention solves the problems of overload load and difficult water storage and drainage, and also solves the problems of heat preservation, water prevention and difficult quality guarantee of storage and maintenance.
Description
Technical Field
The invention relates to the technical field of urban greening development, in particular to a roof structure with a green planting back beam.
Background
At present, certain newly-built greening squares in China adopt a reverse beam structure for improving the net height of an underground space, and the elevation of the beam surface is 55-70 cm higher than that of the top plate and is crisscrossed to form a cross-shaped area grid, wherein the side length of the cross-shaped area grid is about 6-12 m. And 2-3 meters thick of soil is covered on the top plate to carry out landscape greening. Under the condition of meeting the green planting requirement, the roof load is lightened, the waterproof quality is improved, the purposes of preventing, arranging, storing and planting are achieved, adverse effects of the back beam area grid are considered, and how to select a proper green planting structure is the key of success and failure of the engineering. The traditional green plant roof is made by firstly making a heat-insulating layer on a base layer, then leveling, waterproofing and planting, wherein the heat-insulating layer is usually laid with a heat-insulating plate or sprayed with hard foam polyurethane heat-insulating materials, and for the square project, the plate is provided with a counter beam cell with the height of 55-70 cm, the base surface is uneven, the heat-insulating waterproof layer effect is difficult to ensure, accumulated water in the cell is difficult to discharge, and the plant growth survival is influenced; the thickness of the covering soil is 2-3 meters, the load of the covering soil on the plate reaches 4-6 tons/square meter, the structure is difficult to bear, and the method is uneconomical.
Disclosure of Invention
The invention aims at overcoming the defects of the prior art, and provides a reverse beam green plant roof structure, which solves the problems of overload load and difficult water storage and drainage and also solves the problems of heat preservation, water prevention and difficult quality guarantee of storage and maintenance.
The invention provides a reverse beam green plant roof structure which is characterized by sequentially comprising a hydrophobic garden soil layer, a polyester geotextile filter layer, a cobble layer, a plastomer modified asphalt waterproof coiled material layer, a non-tar polyurethane waterproof paint layer, a UEA compensating shrinkage concrete waterproof layer, a lightweight concrete filling layer and a reverse beam structure top plate from top to bottom; the roof of the inverted beam structure is uniformly provided with a plurality of parallel cross beams and a plurality of parallel longitudinal beams, and the cross beams and the longitudinal beams are vertically and alternately distributed to form a grid structure; the lightweight concrete filling layer set up in the field check structure is inside, and lightweight concrete filling layer's upper surface cooperates with the top surface of crossbeam and longeron and forms planar structure, UEA compensation shrink concrete waterproof layer, non-tar polyurethane waterproof coating layer, plastomer modified asphalt waterproofing membrane layer, cobble layer, polyester geotechnique cloth filter layer, sparse field soil layer from bottom to top in proper order tile in planar structure top.
The light concrete filling layer adopts cement as a main cementing material, a certain amount of water and an additive are added and mixed into slurry, then the slurry is mechanically mixed with foam formed by mixing and foaming the foaming agent, the water and the air, and then the foam is cast in situ or put into a mould to be solidified to form concrete, wherein the thermal conductivity coefficient is required to be less than or equal to 0.180W/(m.k); the foaming agent requires a foaming multiple of 25 times or more; the light concrete filling layer adopts concrete with the dry volume density of 750-850 kg/cubic meter; the lightweight concrete layer is required to have a compressive strength of 3.5 MPa or more and a water absorption of 20% or less.
The UEA compensation shrinkage concrete waterproof layer is a concrete rigid waterproof layer with micro-expansibility, and is formed by mixing concrete with a label of C25 and a UEA expansion additive, wherein the UEA expansion additive builds pre-stress in the concrete to prevent shrinkage cracks in the concrete solidification process; the UEA compensation shrinkage concrete waterproof layer is used as a base layer of a leveling layer and a waterproof coating; the thickness of the UEA compensation shrinkage concrete waterproof layer is 8 cm, and a single-layer bidirectional phi 6@200 reinforcing steel bar net is configured for increasing the rigidity of concrete. How to arrange the reinforcing mesh.
The non-tar polyurethane waterproof coating layer adopts a double-component curing reaction type waterproof coating; the non-tar polyurethane waterproof paint layer does not contain coal tar, has little pungent peculiar smell and little environmental pollution; the thickness of the non-tar polyurethane waterproof coating layer is more than or equal to 0.25 cm, the tensile strength is more than or equal to 1.9 megapascals, and the tearing strength is more than or equal to 12N/mm.
The plastomer modified asphalt waterproof coiled material layer adopts a waterproof coiled material containing a composite copper matrix and a polyester matrix, contains a chemical root inhibitor and has good root penetration resistance; the thickness of the plastomer modified asphalt waterproof coiled material layer is more than or equal to 0.4 cm, the content of soluble matters is more than or equal to 3000 g/square meter, the tensile resistance is more than or equal to 800N/50 mm, and the tensile rate is more than or equal to 40%.
The cobble layer adopts naturally formed gravel without edges and corners, and the particle size is required to be 2-3 cm; the thickness of the cobble layer is 8 cm.
The polyester geotechnical cloth filter layer is used for isolating an upper soil layer and a lower water filtering layer, preventing soil loss and draining redundant water in the soil layer; requiring a unit mass of not less than 300 g/square meter; the equivalent pore diameter is 0.007-0.02 cm, and the permeability coefficient is more than or equal to 10-2 cm/s; the filter layer of the polyester geotextile adopts a material directly prepared by spinning, needling and solidifying a polyester method, has excellent fracture resistance and corrosion resistance, can effectively protect a lower structure, and requires that the fracture strength is greater than or equal to 15 kilonewtons/meter and the elongation is 40% -60%.
The soil layer of the sparse field garden is backfilled planting soil, the soil is loose and not hardened, soil blocks are easy to break, the saturated water density is less than or equal to 1100 kg/cubic meter, and the permeability coefficient is greater than or equal to 10 < -4 > cm/s; the soil layer of the oleophobic garden adopts cultivation soil containing organic matters, the organic matters are required to be more than or equal to 5%, the total salt content is less than or equal to 0.3%, and the PH value is 6.5-7.5.
The invention can ensure the functional requirements of green planting, and the design follows the principle of 'preventing, arranging, storing and planting' and the combination of the requirements of thickness and nutrient of a soil layer, isolation effect and drainage performance of a filter layer, selection of a drainage layer and puncture resistance. The soil layer of the sparse garden has the excellent properties of loose texture, no hardening, easy breaking of soil blocks and the like, contains a certain organic matter, and is suitable for large-area landscaping. The polyester geotechnical cloth filter layer can permanently isolate the upper soil layer, prevent soil loss, effectively drain redundant moisture in the soil layer and play a good role in isolation and water filtration. The cobble layer is natural and pollution-free, has excellent drainage performance and good durability. The modified asphalt waterproof coiled material contains a chemical root inhibitor and has good root penetration resistance.
The invention effectively ensures the waterproof and heat-insulating effects of the roof, and the good heat-insulating property of the foaming concrete can be used as the heat-insulating layer of the roof, thereby having good effect and low cost. The double-layer waterproof effect is firm, and the situation of no loss is ensured; the plastomer modified asphalt waterproof coiled material has unique high temperature resistance, good low temperature flexibility, good water resistance, good elasticity, large elongation and strong base layer deformability. The non-tar polyurethane waterproof paint has excellent extensibility, stable performance, reliable waterproof performance, no coal tar, little pungent odor and less environmental pollution.
The invention can effectively reduce the load of the roof and save the cost. Some squares are covered with 2-3m of soil on the roof, and the load is large, and the unit weight is 6-10 tons/cubic meter. In order to effectively reduce dead weight, the sparse garden soil is selected, the filling layer is made of foam concrete, so that the functional requirement is met, the dead weight is reduced by about 20%, and the top plate has good economic effect of saving the manufacturing cost by about 15%.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
fig. 2 is a schematic view of a roof of the inverted beam structure of the present invention.
Wherein, 1-hydrophobic garden soil layer, 2-polyester geotextile filter layer, 3-cobble layer, 4-plastomer modified asphalt waterproof coiled material layer, 5-non-tar polyurethane waterproof paint layer, 6-UEA compensating shrinkage concrete waterproof layer, 7-lightweight concrete filling layer, 8-inverted beam structure top plate, 9-cross beam/longitudinal beam.
Detailed Description
The invention will now be described in further detail with reference to the drawings and specific examples, which are given for clarity of understanding and are not to be construed as limiting the invention.
As shown in fig. 1, the reverse beam green plant roof structure is characterized by sequentially comprising a hydrophobic garden soil layer, a polyester geotextile filter layer, a cobble layer, a plastomer modified asphalt waterproof coiled material layer, a non-tar polyurethane waterproof paint layer, a UEA compensated shrinkage concrete waterproof layer, a lightweight concrete filling layer and a reverse beam structure top plate from top to bottom; the roof of the inverted beam structure is uniformly provided with a plurality of parallel cross beams and a plurality of parallel longitudinal beams, and the cross beams and the longitudinal beams are vertically and alternately distributed to form a grid structure; the lightweight concrete filling layer set up in the field check structure is inside, and lightweight concrete filling layer's upper surface cooperates with the top surface of crossbeam and longeron and forms planar structure, UEA compensation shrink concrete waterproof layer, non-tar polyurethane waterproof coating layer, plastomer modified asphalt waterproofing membrane layer, cobble layer, polyester geotechnique cloth filter layer, sparse field soil layer from bottom to top in proper order tile in planar structure top.
The light concrete filling layer adopts cement as a main cementing material, a certain amount of water and an additive are added and mixed into slurry, then the slurry is mechanically mixed with foam formed by mixing and foaming the foaming agent, the water and the air, and then the foam is cast in situ or put into a mould to be solidified to form concrete, wherein the thermal conductivity coefficient is required to be less than or equal to 0.180W/(m.k); the foaming agent can reduce the surface tension of liquid, generate a large amount of uniform and stable foam, is used for producing an additive for foam concrete, has reliable quality and good performance, and requires the foaming multiple to be more than or equal to 25 times; the light concrete filling layer adopts concrete with the dry volume density of 750-850 kg/cubic meter; the compressive strength of the lightweight concrete layer is more than or equal to 3.5 megapascals, and the water absorption is less than or equal to 20%; the light weight means that the void ratio of the foamed concrete is increased, the dry density is reduced, and the weight is reduced.
The UEA compensation shrinkage concrete waterproof layer is a concrete rigid waterproof layer with micro-expansibility, and is formed by mixing concrete with a label of C25 and a UEA expansion additive, wherein the UEA expansion additive builds pre-stress in the concrete to prevent shrinkage cracks in the concrete solidification process; the UEA compensation shrinkage concrete waterproof layer is used as a base layer of a leveling layer and a waterproof coating; the thickness of the UEA compensation shrinkage concrete waterproof layer is 8 cm, and a single-layer bidirectional phi 6@200 reinforcing steel bar net is configured for increasing the rigidity of concrete.
The non-tar polyurethane waterproof coating layer adopts a double-component curing reaction type waterproof coating; the non-tar polyurethane waterproof paint layer does not contain coal tar, has little pungent peculiar smell and little environmental pollution; the thickness of the non-tar polyurethane waterproof coating layer is more than or equal to 0.25 cm, the tensile strength is more than or equal to 1.9 megapascals, and the tearing strength is more than or equal to 12N/mm.
The plastomer modified asphalt waterproof coiled material layer adopts a waterproof coiled material containing a composite copper matrix and a polyester matrix, contains a chemical root inhibitor and has good root penetration resistance; the thickness of the plastomer modified asphalt waterproof coiled material layer is more than or equal to 0.4 cm, the content of soluble matters is more than or equal to 3000 g/square meter, the tensile resistance is more than or equal to 800N/50 mm, and the tensile rate is more than or equal to 40%.
The cobble layer adopts naturally formed gravel without edges and corners, and the particle size is required to be 2-3 cm; the thickness of the cobble layer is 8 cm.
The polyester geotechnical cloth filter layer is used for isolating an upper soil layer and a lower water filtering layer, preventing soil loss and draining redundant water in the soil layer; requiring a unit mass of not less than 300 g/square meter; the equivalent pore diameter is 0.007-0.02 cm, and the permeability coefficient is more than or equal to 10-2 cm/s; the filter layer of the polyester geotextile adopts a material directly prepared by spinning, needling and solidifying a polyester method, has excellent fracture resistance and corrosion resistance, can effectively protect a lower structure, and requires that the fracture strength is greater than or equal to 15 kilonewtons/meter and the elongation is 40% -60%.
The soil layer of the sparse field garden is backfilled planting soil, the soil is loose and not hardened, soil blocks are easy to break, the saturated water density is less than or equal to 1100 kg/cubic meter, and the permeability coefficient is greater than or equal to 10 < -4 > cm/s; the soil layer of the oleophobic garden adopts cultivation soil containing organic matters, the organic matters are required to be more than or equal to 5%, the total salt content is less than or equal to 0.3%, and the PH value is 6.5-7.5.
What is not described in detail in this specification is prior art known to those skilled in the art.
Claims (5)
1. The green roof-planting structure of the reverse beam is characterized by sequentially comprising a hydrophobic garden soil layer, a polyester geotextile filter layer, a cobble layer, a plastomer modified asphalt waterproof coiled material layer, a non-tar polyurethane waterproof paint layer, a UEA compensating shrinkage concrete waterproof layer, a lightweight concrete filling layer and a roof plate of the reverse beam structure from top to bottom; the roof of the inverted beam structure is uniformly provided with a plurality of parallel cross beams and a plurality of parallel longitudinal beams, and the cross beams and the longitudinal beams are vertically and alternately distributed to form a grid structure; the light concrete filling layer is arranged inside the grid structure, the upper surface of the light concrete filling layer is matched with the top surfaces of the cross beams and the longitudinal beams to form a planar structure, and the UEA compensation shrinkage concrete waterproof layer, the non-tar polyurethane waterproof coating layer, the plastomer modified asphalt waterproof coiled material layer, the cobble layer, the polyester geotechnical cloth filter layer and the hydrophobic garden soil layer are sequentially paved above the planar structure from bottom to top;
the light concrete filling layer adopts cement as a main cementing material, a certain amount of water and an additive are added and mixed into slurry, and then the slurry is mechanically mixed with foam formed by mixing and foaming of a foaming agent, water and air, and then the foam is cast in situ or put into a mould to be solidified to form concrete, wherein the thermal conductivity coefficient is required to be less than or equal to 0.180W/(m.k); the foaming agent requires a foaming multiple of 25 times or more; the light concrete filling layer adopts concrete with the dry volume density of 750-850 kg/cubic meter; the light concrete filling layer is required to have compressive strength of more than or equal to 3.5 megapascals and water absorption of less than or equal to 20%;
the plastomer modified asphalt waterproof coiled material layer adopts a waterproof coiled material containing a composite copper matrix and a polyester matrix and contains a chemical root inhibitor; the thickness of the plastomer modified asphalt waterproof coiled material layer is more than or equal to 0.4 cm, the content of soluble matters is more than or equal to 3000 g/square meter, the tensile resistance is more than or equal to 800N/50 mm, and the stretching rate is more than or equal to 40%;
the polyester geotechnical cloth filter layer is used for isolating an upper soil layer and a lower water filtering layer, preventing soil loss and draining redundant water in the soil layer; requiring a unit mass of not less than 300 g/square meter; the equivalent pore diameter is 0.007-0.02 cm, and the permeability coefficient is more than or equal to 10-2 cm/s; the polyester geotextile filter layer is a material directly prepared by adopting a polyester method through spinning, needling and consolidation, and the breaking strength is required to be more than or equal to 15 kilonewtons/meter, and the elongation is required to be 40% -60%.
2. The reverse beam green plant roof structure according to claim 1, wherein the UEA compensating shrinkage concrete waterproof layer is a concrete rigid waterproof layer with micro-expansibility, and is formed by mixing concrete with a reference number of C25 and a UEA expansion additive, wherein the UEA expansion additive establishes pre-stressing in the concrete to prevent shrinkage cracks in the concrete solidification process; the UEA compensation shrinkage concrete waterproof layer is used as a base layer of a leveling layer and a waterproof coating; the thickness of the UEA compensating shrinkage concrete waterproof layer is 8 cm.
3. The reverse beam green plant roofing structure according to claim 2, characterized in that the non-tar polyurethane waterproof coating layer adopts a two-component curing reaction type waterproof coating; the non-tar polyurethane waterproof coating layer does not contain coal tar; the thickness of the non-tar polyurethane waterproof coating layer is more than or equal to 0.25 cm, the tensile strength is more than or equal to 1.9 megapascals, and the tearing strength is more than or equal to 12N/mm.
4. The reverse beam green plant roofing structure according to claim 3, wherein the cobble layer adopts naturally formed non-angular gravel with a required grain size of 2-3 cm; the thickness of the cobble layer is 8 cm.
5. The reverse beam green plant roofing structure according to claim 4, wherein the hydrophobic field soil layer is backfilled planting soil, the saturated water density is less than or equal to 1100 kg/cubic meter, and the permeability coefficient is greater than or equal to 10 -4 Cm/sec; the soil layer of the oleophobic garden adopts cultivation soil containing organic matters, the organic matters are required to be more than or equal to 5%, the total salt content is less than or equal to 0.3%, and the PH value is 6.5-7.5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910239918.4A CN109972793B (en) | 2019-03-27 | 2019-03-27 | Roof structure is planted to green of back-up beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910239918.4A CN109972793B (en) | 2019-03-27 | 2019-03-27 | Roof structure is planted to green of back-up beam |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109972793A CN109972793A (en) | 2019-07-05 |
| CN109972793B true CN109972793B (en) | 2024-04-12 |
Family
ID=67081170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910239918.4A Active CN109972793B (en) | 2019-03-27 | 2019-03-27 | Roof structure is planted to green of back-up beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109972793B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
-
2019
- 2019-03-27 CN CN201910239918.4A patent/CN109972793B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN207469615U (en) * | 2017-09-25 | 2018-06-08 | 上海尧舜建筑设计有限公司 | Novel planting roof structure |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109972793A (en) | 2019-07-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108842557B (en) | Temporary road pavement structure and road building method | |
| CN107963838B (en) | Ecological spray anchor slope protection structure and method | |
| CN105735082B (en) | It is permeable to plant framed and multi-functional porous pavement structural system and its method for paving | |
| CN101897289A (en) | Plant-growing type eco-concrete and preparation method thereof | |
| CN204849509U (en) | Highway roadbed structure of antidetonation sand prevention | |
| CN109972468B (en) | Construction method for reinforcing hydraulic fill sand embankment | |
| CN103302919B (en) | Light reinforced composite floating plate for preventing water level from evaporating | |
| CN109503052A (en) | Raw celluar concrete of a plant and preparation method and application | |
| CN204715302U (en) | Quasi-triple gradation Compacted Concrete Gravity Dam Section | |
| CN103563605A (en) | Substrate for roof plant cultivation | |
| CN108532401A (en) | A kind of coral sand concrete road surface structure and its construction method | |
| CN1103397C (en) | Plant/concrete block and its making process | |
| CN210563030U (en) | Inverted beam green plant roof structure | |
| CN207143633U (en) | A kind of pervious concrete grass planting land earth construction | |
| CN109972793B (en) | Roof structure is planted to green of back-up beam | |
| CN212896172U (en) | River course slope protection and canal bottom structure for ecological reconstruction of black and odorous river course | |
| CN210315594U (en) | Cast-in-place ecological bank protection of concrete | |
| CN105274966B (en) | A kind of cavernous body ecological revetment and its building method | |
| CN114790751B (en) | Fruit and mud composite ecological slope protection structure and construction method thereof | |
| CN114808583B (en) | Submerged roadbed and construction method thereof | |
| CN206828912U (en) | A kind of full pervious concrete pavement structure of regeneration aggregate | |
| CN113186951B (en) | Ecological reinforcing method for loose coarse-grained mixed soil slope | |
| CN109440756A (en) | Reinforcement module pressure-bearing pile body combination curing interlayer composite foundation structure processing method is placed in backfill | |
| CN214301792U (en) | Soft rock side slope ecological slope protection structure based on waste recycling | |
| CN202658489U (en) | Frame material structure for forming environment-friendly floor pavement |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |