CN102995843B - Method for greening low-maintenance ecological slope roof - Google Patents
Method for greening low-maintenance ecological slope roof Download PDFInfo
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- CN102995843B CN102995843B CN201210529806.0A CN201210529806A CN102995843B CN 102995843 B CN102995843 B CN 102995843B CN 201210529806 A CN201210529806 A CN 201210529806A CN 102995843 B CN102995843 B CN 102995843B
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Classifications
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- 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
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- 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
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- Cultivation Of Plants (AREA)
Abstract
The invention relates to a method for greening a low-maintenance ecological slope roof, aiming at solving the problems that the greening soil of the slope roof easily runs away, and the green maintenance cost is high. The building slope roof comprises a structural layer, a waterproof layer, a heat insulation layer, a protecting layer, a root barrier layer, a drain layer, a water retention layer, a filter layer, an anti-skidding component, a light soil layer, a high-order aggregate soil culture medium and a greening vegetable layer. Due to a series of technology for preventing soil loss and reducing maintenance cost, the problem of slope roof greening can be thoroughly solved, and the aim of building a low-maintenance ecological slope roof greenery landscape can be achieved.
Description
Technical field
The present invention relates to a kind of integrated greening method for inclined slope roof, its objective is and solve the difficult problem that slope roof greening soil easily runs off, virescence maintenance cost is high, build the ecotypic slope roof greening view of a kind of low-maintenance.
Background technology
Along with the quickening of urbanization process, building land is progressively corroding limited urban green space area, and " Quick Extended afforestation of city space " become people's an urgent demand.Roof greening is effectively being expanded Urban Green Spaces, is being promoted the aspects such as balance of city ecosystem and optimization human settlement to play a significant role.Yet existing roof greening field, common practice is to implement greening at flat roof, for the gentle slope greening method of abrupt slope roofing even, because of the difficulty application that technology is implemented few.
CN 101982626 A disclose and a kind ofly at flat roof deck, have built slope, and then carry out the method for vertical planting.But fundamentally do not solve slope roofing greening difficult point and culture medium loss problem.
CN 101131027 A have invented a kind of natural, ecological city roof greening technology, by utilizing cheap natural materials, build safe and reliable roof greening engineering structures, utilize ecological principle to build scientific and reasonable roof greening vegetation natural, ecological group, make greening roof be called the weeds ground of self-sow.But view is single, and turf is easily degenerated.
CN 101457573 A disclose a kind of base layer structure of ecological roof garden, have good protection against the tide, water resistance and insulation effect, can meet plant growth needs and building and not be damaged.But be not suitable for the greening of big area roof.
Summary of the invention
The present invention is intended to overcome the deficiencies in the prior art, provides that a kind of maintenance rate is low, vegetation natural deduction, and is exclusively used in the greening technique of inclined slope roof, can be applicable to large area inclined slope roof.
Technical scheme of the present invention is: a kind of environmental slope roof greening method of low-maintenance; it is characterized in that, at the oblique roofing of building, construct successively and form deck, waterproofing course, insulation layer, topping, stopping area, drainage blanket, water conservation layer, filtration beds, anti-slip component, light soil layer, high order granular soil culture medium and afforestation vegetation layer from bottom to up.
Described topping adopts the thick C20 pea gravel concreten of 30-40mm.
Described stopping area adopts modified bitumen root resistant waterproof roll, and whole roofing is all laid, with parapet joint, on stopping area instead to parapet end face outer edge; In the structure intersection with outstanding roofing, above turn over to be highly not less than on parapet and turn over highly; At reversed beam place, stopping area should all wrap reversed beam.
Described drainage blanket adopts bodily form cross-linked copolymer rubber porous band drain, and rubber drainage plate is laid on stopping area; At drain gully place, rubber drainage plate will cover drain gully reliably; For the gradient, be less than the roofing of 20 degree, rubber drainage plate adopts empty paving mode; The roofing that is greater than 20 ° for the gradient, adopts glue bonding way.
Described water conservation layer, filtration beds are laid along whole roofing, in the structure intersection with parapet and outstanding roofing, above turn over and are highly not less than 40cm; The nonwoven that described filtration beds, water conservation layer are different-thickness.
Described anti-slip component comprises anti-skidding baffle plate and clump, and the construction technology of anti-slip component is:
1. anti-skidding baffle plate is selected 14# channel-section steel, does antirust processing: after substrate cleaning, apply successively epoxy anti-rust paint 2 times, high-quality bituminous epoxy paint 2 times, film thickness >300 μ m;
2. the channel-section steel that is less than the roofing place, gentle slope of 20 degree is spaced apart 6m * 6m, and the channel-section steel that abrupt slope roofing (being greater than 20 degree) is located is spaced apart 3m * 3m, and along vertically adding cross rib, cross rib adopts 7.5# angle steel.
3. on filtering layer, interval arranges a plurality of clumps corresponding to transverse channel steels, makes, on its curing roof structure layer 1, connector to be set on clump, and channel-section steel and connector Bolt Connection, between channel-section steel, be Bolt Connection between channel-section steel and angle steel;
4. antirust processing is all done at all Bolt Connection places, the same channel-section steel of processing mode.
For the gradient, be less than the roofing of 20 degree, first lay the light soil layer that 80mm is thick, re-lay the high order granular soil culture medium that 160mm-180mm is thick; For the gradient, be more than or equal to the roofing of 20 degree, all adopt high order granular soil culture medium, thickness 240-260mm.
Described high order granular soil culture medium is comprised of the material of following parts by weight: clayey soil 18～22; Organic additive (20～25); Vermiculite (30～35); Perlite (23～25); String (11～14); Slow release fertilizer (1～2); Granule agent 0.8(0.8～1); Clear water (45～48).
The described requirement that plant is selected: vegetable material select to plant the low brushwood that grows fine in locality, ornamental value is higher and perennial ground cover plant is mixed takes, from Plant Diversity and symbiosis aspect, take the plant of growth characteristics and ornamental value are relatively stable, landscape ability is stronger eciophyte and successful introduction as main, build and integrate view and ecological roof plants view; Alternative plant comprises: Kingsoft meadow sweet, the climing Changchun of floral leaf, wool wood, Ajuga multiflora bunge, the beautiful evening primrose of dwarf-type, liriope platyphylia Wang et Tang, gold leaf sedge, a nothing hair spidewort, Chinese red-spotted stonecrop, eight treasures (choice ingredients of certain special dishes) red-spotted stonecrop, stringy stonecrop.
In roof greening region, be provided with garden road, water-permeable pipe is laid in road in garden, as the drainage system of whole roofing; Or lay automatic sprinkling system in conjunction with garden road.
Beneficial effect of the present invention is: the base material that (1) is used has the advantages that storing water and preserving fertility soil does not run off, and is applicable to being applied to inclined slope roof; (2) selected green plants be can landscape perennial herb and low brushwood, can form ecoscape; (3) water retention is strong and lay gabion drainage and automatic sprinkling system, greatly reduces artificial maintenance dynamics.
Accompanying drawing explanation
Fig. 1 is the slope roof greening system cross-section structure schematic diagram that the present invention makes;
Fig. 2 is the perspective view of anti-slip component of the present invention;
Fig. 3 is the sectional view of garden of the present invention road cross section structure.
The specific embodiment
Referring to Fig. 1-Fig. 3; adopt the environmental slope roof greening method of a kind of low-maintenance of the present invention, at the oblique roofing of building, construct successively and form deck 1, waterproofing course 2, insulation layer 3, topping 4, stopping area 5, drainage blanket 6, water conservation layer 7, filtration beds 8, anti-slip component 9, light soil layer 10, high order granular soil culture medium 11 and afforestation vegetation layer 12 from bottom to up.The slope roof greening system cross-section structure that method is made comprises waterproofing course 2 from the bottom to top, insulation layer 3, topping 4, stopping area 5; drainage blanket 6, water conservation layer 7, filtration beds 8, anti-slip component 9; light soil layer 10, high order granular soil culture medium 11, afforestation vegetation layer 12.
Concrete work progress is by as follows:
(1), on the insulation layer 3 of roofing, topping 4 is set.Topping 4 adopts the thick C20 pea gravel concreten of 30-40mm, 6m * 6m lattice.
(2), stopping area 5 adopts modified bitumen root resistant waterproof rolls, whole roofing is all laid, with parapet joint, on stopping area 5 instead to parapet end face outer edge; In the structure intersection with outstanding roofing, be above instead highly not less than on parapet anti-height; At reversed beam place, stopping area should all wrap reversed beam.
(3), described drainage blanket 6 adopts bodily form cross-linked copolymer rubber porous band drain, rubber drainage plate employing bodily form cross-linked copolymer rubber porous band drain.Rubber drainage plate is laid on stopping area, on draining garden road, does not lay.As drain gully, rubber drainage plate will cover drain gully reliably.For the gradient, be less than the roofing of 20 degree, rubber drainage plate adopts empty paving mode; The roofing that is greater than 20 ° for the gradient, adopts glue bonding way.
The main performance index of rubber drainage plate should meet following requirement: 1. weight: > 6kg/m2; 2. displacement under plate: >=10m2/hm2; 3. unit area load-bearing: >150kN/m2.
(4), filtration beds 8, water conservation layer 7 lay along whole roofing, in the structure intersection with parapet and outstanding roofing, the upper 40cm that is instead highly not less than.The nonwoven that described filtration beds 8, water conservation layer 7 are different-thickness, nonwoven adopts string or chemical fibre (or two kinds of fibers mix) to make, and thickness is between 3mm-7mm.
(5), described anti-slip component 9 comprises anti-skidding baffle plate 91 and clump 92, the construction technology of anti-slip component 9 is (referring to Fig. 2):
1. anti-skidding baffle plate 91 is selected 14# channel-section steel, does antirust processing, after substrate cleaning, and epoxy anti-rust paint 2 times, high-quality bituminous epoxy paint 2 times, film thickness >300 μ m.
2. the channel-section steel that gentle slope roofing (being less than 20 degree) is located is spaced apart 6m * 6m, and the channel-section steel that abrupt slope roofing (being greater than 20 degree) is located is spaced apart 3m * 3m, and along vertically adding cross rib 93, cross rib adopts 7.5# angle steel.
3. on filtering layer 8, interval arranges a plurality of clumps 92 corresponding to transverse channel steels, on clump 92, connector is set, and channel-section steel and connector Bolt Connection, between channel-section steel, be Bolt Connection between channel-section steel and angle steel.
4. antirust processing is all done at all Bolt Connection places, the same channel-section steel of processing mode.
(6), for the gradient, be less than the roofing of 20 degree, first lay light soil layer 80mm, re-lay high order granular soil culture medium 160mm-180mm; For the gradient, be more than or equal to the roofing of 20 degree, all adopt high order granular soil culture medium, thickness 240-260mm.
(7) described high order granular soil culture medium 11 is comprised of the material of following parts by weight: clayey soil 18～22; Organic additive (20～25); Vermiculite (30～35); Perlite (23～25); String (11～14); Slow release fertilizer (1～2); Soil additive 0.8(0.8～1); Clear water (45～48).Be characterized in this soil culture medium have stability high, be difficult for soil erosion, water retention is strong, material is light, is applicable to the culture matrix of slope roof greening.
(8) requirement of, plant being selected: vegetable material select to plant the low brushwood that grows fine in locality, ornamental value is higher and perennial ground cover plant is mixed takes, from Plant Diversity and symbiosis aspect, take the plant of growth characteristics and ornamental value are relatively stable, landscape ability is stronger eciophyte and successful introduction as main, build and integrate view and ecological roof plants view.Alternative plant for example, Kingsoft meadow sweet, the climing Changchun of floral leaf, wool wood, Ajuga multiflora bunge, beautiful evening primrose (dwarf-type), liriope platyphylia Wang et Tang, gold leaf sedge, without a hair spidewort, Chinese red-spotted stonecrop, eight treasures (choice ingredients of certain special dishes) red-spotted stonecrop, stringy stonecrop etc.Above plant can be undertaken by sowing or manual inseminating's mode.
(9) in addition, some Yuan road 13 is established in roof greening region, lays water-permeable pipe 14 in the road of garden, as the drainage system of whole roofing.If automatic sprinkling system need to be set, can lay in conjunction with garden road.
Shanghai City slope roof greening engineering, in March, 2010 construction.Design scheme is for building open type inclined slope roof, and maintenance management is extensive, saves maintenance cost, and simulating nature is ecological, and effect is lasting.44, this project construction roofing, wherein the gradient is minimum 6 °, maximum 44 ° of the gradient.For the gradient, be less than 20 ° of domatic employing gentle slope scheme constructions.For the gradient be greater than 20 ° domatic, adopt abrupt slope scheme construction.Two specific embodiments below.
embodiment 1:6 °, No. 39 slopes
The oblique roofing of building from bottom to up construction sequence is as follows with requirement:
(1) topping 4: adopt the thick C20 pea gravel concreten of 30-40mm, 6m * 6m lattice.
(2) stopping area 5: adopt complex copper tire base SBS modified bitumen root resistant waterproof roll, and whole
Roofing is all laid.
(3) lay draining garden road device 13: in the road of garden, lay Φ 110 water-permeable pipes 14.Garden road filling particle diameter
The draining piece stone 15 of 100-150mm, water-permeable pipe 14 bottom paving particle diameter 30-60mm rubble 16(are referring to Fig. 3).
(4) drainage blanket 6: adopt bodily form cross-linked copolymer rubber porous band drain, empty paving, without glue
Bonding.
(5) water conservation layer 7, select the nonwoven of 5.5mm as raw material.
(6) filtration beds 8, select the nonwoven of 3.5mm as raw material.
(7) anti-slip component 9: anti-skidding baffle plate 91 is selected 14# channel-section steel, does antirust processing, epoxy anti-rust paint 2 times, high-quality bituminous epoxy paint 2 times.Channel-section steel is spaced apart 6m * 6m.Connector (as engaging lug, screw rod or nut etc.) is set on clump 92, and channel-section steel and connector Bolt Connection, be Bolt Connection between channel-section steel.
(8) light soil layer 10: laying depth 80mm.
(9) high order granular soil culture medium 11: laying depth 160mm.
embodiment 2:44 °, No. 7 slopes
The oblique roofing of building from bottom to up construction sequence is as follows with requirement:
(1) topping 4: adopt the thick C20 pea gravel concreten of 30-40mm, 6m * 6m lattice.
(2) stopping area 5: adopt complex copper tire base SBS modified bitumen root resistant waterproof roll, and whole
Roofing is all laid
(3) lay draining garden road device 13: in the road of garden, lay Φ 110 water-permeable pipes 14.The draining piece stone 15 of garden road filling particle diameter 100-150mm, water-permeable pipe bottom paving particle diameter 30-60mm rubble 16(Fig. 3).
(4) drainage blanket 6: adopt bodily form cross-linked copolymer rubber porous band drain, adopt glue bonding.
(5) water conservation layer 7: select the nonwoven of 5.5mm as raw material.
(6) filtration beds 8: select the nonwoven of 3.5mm as raw material.
(7) anti-slip component 9: anti-skidding baffle plate is selected 14# channel-section steel, do antirust processing, epoxy anti-rust paint 2 times, high-quality bituminous epoxy paint 2 times.Channel-section steel is spaced apart 3m * 3m, and along vertically adding cross rib, cross rib adopts 7.5# angle steel.Connector is set on clump, and channel-section steel and connector Bolt Connection, between channel-section steel, be Bolt Connection between channel-section steel and angle steel.
(8) high order granular soil culture medium: laying depth 240mm.
High order granular soil culture medium material mixture ratio is as follows: clayey soil: 0.9m3; Organic: 0.9 m3; Vermiculite: 1.35 m3; Perlite: 0.9 m3; String: 0.45 m3; Granule agent: 0.036 m3; Slow-release fertilizer: 0.06 m3; Clear water 1.2 m3.
After above-mentioned work completes, according to designing requirement, with the short showy flowers of herbaceous plants, embody grassland scene.Carry out manual inseminating.
Plants configuration is as follows: Kingsoft meadow sweet, the climing Changchun of floral leaf, wool wood, Ajuga multiflora bunge, beautiful evening primrose (dwarf-type), liriope platyphylia Wang et Tang, gold leaf sedge, a nothing hair spidewort, Chinese red-spotted stonecrop, eight treasures (choice ingredients of certain special dishes) red-spotted stonecrop, stringy stonecrop, be sheet bulk and plant.
Constructed after 3 months, the afforestation effect of roofing basically forms, and plant growing way is better, and the combined short showy flowers of herbaceous plants of the low brushwood that ornamental value is higher and for many years dried rhizome of rehmannia constructs graceful grassland scene.
Claims (9)
1. the environmental slope roof greening method of a low-maintenance, it is characterized in that, at the oblique roofing of building, construct successively and form deck, waterproofing course, insulation layer, topping, stopping area, drainage blanket, water conservation layer, filtration beds, anti-slip component, light soil layer, high order granular soil culture medium and afforestation vegetation layer from bottom to up; Described drainage blanket adopts bodily form cross-linked copolymer rubber porous band drain, and rubber drainage plate is laid on stopping area; At drain gully place, rubber drainage plate will cover drain gully reliably; For the gradient, be less than the roofing of 20 degree, rubber drainage plate adopts empty paving mode; The roofing that is greater than 20 ° for the gradient, adopts glue bonding way.
2. the environmental slope roof greening method of low-maintenance according to claim 1, is characterized in that, described topping adopts the thick C20 pea gravel concreten of 30-40mm.
3. the environmental slope roof greening method of low-maintenance according to claim 1, it is characterized in that, described stopping area adopts modified bitumen root resistant waterproof roll, and whole roofing is all laid, with parapet joint, on stopping area instead to parapet end face outer edge; In the structure intersection with outstanding roofing, above turn over to be highly not less than on parapet and turn over highly; At reversed beam place, stopping area should all wrap reversed beam.
4. the environmental slope roof greening method of low-maintenance according to claim 1, is characterized in that, described water conservation layer, filtration beds are laid along whole roofing, in the structure intersection with parapet and outstanding roofing, above turn over and are highly not less than 40cm; The nonwoven that described filtration beds, water conservation layer are different-thickness.
5. the environmental slope roof greening method of low-maintenance according to claim 1, it is characterized in that, described anti-slip component comprises anti-skidding baffle plate and clump, the construction technology of anti-slip component is: 1. anti-skidding baffle plate is selected 14# channel-section steel, do antirust processing: after substrate cleaning, apply successively epoxy anti-rust paint 2 times, high-quality bituminous epoxy paint 2 times, film thickness >300 μ m; 2. the channel-section steel that is less than the roofing place, gentle slope of 20 degree is spaced apart 6m * 6m, and the channel-section steel that is greater than 20 roofing places, degree abrupt slope is spaced apart 3m * 3m, and along vertically adding cross rib, cross rib adopts 7.5# angle steel; 3. on filtering layer, interval arranges a plurality of clumps corresponding to transverse channel steels, makes, on its curing roof structure layer 1, connector to be set on clump, and channel-section steel and connector Bolt Connection, between channel-section steel, be Bolt Connection between channel-section steel and angle steel; 4. antirust processing is all done at all Bolt Connection places, the same channel-section steel of processing mode.
6. the environmental slope roof greening method of low-maintenance according to claim 1, is characterized in that, is less than the roofing of 20 degree for the gradient, first lays the light soil layer that 80mm is thick, re-lays the high order granular soil culture medium that 160mm-180mm is thick; For the gradient, be more than or equal to the roofing of 20 degree, all adopt high order granular soil culture medium, thickness 240-260mm.
7. the environmental slope roof greening method of low-maintenance according to claim 1, is characterized in that, described high order granular soil culture medium is comprised of the material of following parts by weight: clayey soil 18～22; Organic additive 20～25; Vermiculite 30～35; Perlite 23～25; String 11～14; Slow release fertilizer 1～2; Granule agent 0.8～1; Clear water 45～48.
8. the environmental slope roof greening method of low-maintenance according to claim 1, it is characterized in that, the described requirement that plant is selected: vegetable material select to plant the low brushwood that grows fine in locality, ornamental value is higher and perennial ground cover plant is mixed takes, from Plant Diversity and symbiosis aspect, take the plant of growth characteristics and ornamental value are relatively stable, landscape ability is stronger eciophyte and successful introduction as main, build and integrate view and ecological roof plants view; Alternative plant comprises: Kingsoft meadow sweet, the climing Changchun of floral leaf, wool wood, Ajuga multiflora bunge, the beautiful evening primrose of dwarf-type, liriope platyphylia Wang et Tang, gold leaf sedge, a nothing hair spidewort, Chinese red-spotted stonecrop, eight treasures (choice ingredients of certain special dishes) red-spotted stonecrop, stringy stonecrop.
9. the environmental slope roof greening method of low-maintenance according to claim 1, is characterized in that, in roof greening region, be provided with garden road, water-permeable pipe is laid in road in garden, as the drainage system of whole roofing; Or lay automatic sprinkling system in conjunction with garden road.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210529806.0A CN102995843B (en) | 2012-12-11 | 2012-12-11 | Method for greening low-maintenance ecological slope roof |
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| CN201210529806.0A CN102995843B (en) | 2012-12-11 | 2012-12-11 | Method for greening low-maintenance ecological slope roof |
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| CN102995843B true CN102995843B (en) | 2014-08-20 |
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Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103583338B (en) * | 2013-11-19 | 2015-11-11 | 北京东方园林股份有限公司 | A kind of roof greening planting structure |
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