CN102995843A - Method for greening low-maintenance ecological slope roof - Google Patents

Method for greening low-maintenance ecological slope roof Download PDF

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CN102995843A
CN102995843A CN2012105298060A CN201210529806A CN102995843A CN 102995843 A CN102995843 A CN 102995843A CN 2012105298060 A CN2012105298060 A CN 2012105298060A CN 201210529806 A CN201210529806 A CN 201210529806A CN 102995843 A CN102995843 A CN 102995843A
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layer
roofing
maintenance
low
slope roof
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CN2012105298060A
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Chinese (zh)
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CN102995843B (en
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李春林
曲宁
边桂香
荆鹏太
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青岛冠中生态股份有限公司
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/24Structural elements or technologies for improving thermal insulation
    • Y02A30/254Roof garden systems; Roof coverings with high solar reflectance
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B80/00Architectural or constructional elements improving the thermal performance of buildings
    • Y02B80/32Roof garden systems

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

The environmental slope roof greening method of a kind of low-maintenance
Technical field
The present invention relates to a kind of integrated greening method for inclined slope roof, its objective is to solve the difficult problem that slope roof greening soil easily runs off, the 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 are to implement greening at flat roof, for the greening method of gentle slope even abrupt slope roofing, because the difficulty that technology is implemented is used few.
CN 101982626 A disclose and have a kind ofly built the slope at flat roof deck, 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, build safe and reliable roof greening engineering structures by utilizing cheap natural materials, utilize ecological principle to make up 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 satisfy 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 a kind of maintenance rate low, vegetation natural deduction, and is exclusively used in the greening technique of inclined slope roof, can be applicable to the large tracts of land inclined slope roof.
Technical scheme of the present invention is: the environmental slope roof greening method of a kind of low-maintenance; it is characterized in that constructing successively from bottom to up at the oblique roofing of building forms 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.
Described topping adopts the thick C20 pea gravel concreten of 30-40mm.
Described stopping area adopts the modified bitumen root resistant waterproof roll, and whole roofing is all laid, with the parapet joint, on the stopping area instead to parapet end face outer edge; With the structure intersection of outstanding roofing, on turn over highly to be not less than and turn over height on the parapet; At the reversed beam place, stopping area should all wrap reversed beam.
Described drainage blanket adopts bodily form cross-linked copolymer rubber porous band drain, and the rubber drainage plate is laid on the stopping area; At the drain gully place, the rubber drainage plate will cover drain gully reliably; For the roofing of the gradient less than 20 degree, the rubber drainage plate adopts empty shop mode; For the roofing of the gradient greater than 20 °, adopt the glue bonding way.
Described water conservation layer, filtration beds are laid along whole roofing, with the structure intersection of parapet and outstanding roofing, on turn over and highly be not less than 40cm; Described filtration beds, water conservation layer are the nonwoven of 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 the 14# channel-section steel, does antirust processing: after the 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 less than the 20 roofing places, gentle slope of spending is spaced apart 6m * 6m, and the channel-section steel that abrupt slope roofing (greater than 20 degree) is located is spaced apart 3m * 3m, and along vertically adding cross rib, cross rib adopts the 7.5# angle steel.
3. the interval arranges a plurality of clumps corresponding to transverse channel steels on filtering layer, and it is solidified on roof structure layer 1, at clump connector is set, and channel-section steel and connector Bolt Connection are between the channel-section steel, be Bolt Connection between channel-section steel and the angle steel;
4. antirust processing is all done at all Bolt Connection places, the same channel-section steel of processing mode.
For the roofing of the gradient less than 20 degree, lay first the thick light soil layer of 80mm, re-lay the thick high order granular soil culture medium of 160mm-180mm; For the roofing of the gradient more than or equal to 20 degree, then 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 the locality, ornamental value is higher and perennial ground cover plant is mixed takes, from Plant Diversity and symbiosis aspect, the eciophyte relatively stable take growth characteristics and ornamental value, that the landscape ability is stronger and the plant of successful introduction are built the roof plants view that integrates view and ecology as main; 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.
Be provided with the garden road in the roof greening zone, water-permeable pipe is laid in the road in the garden, as the drainage system of whole roofing; Or in conjunction with garden road laying automatic sprinkling system.
Beneficial effect of the present invention is: (1) employed base material has the advantages that storing water and preserving fertility soil does not run off, and is fit to be applied to inclined slope roof; (2) selected green plants be can landscape perennial herb and low brushwood, can form ecoscape; (3) strong and laying gabion drainage and automatic sprinkling system of water retention greatly reduces artificial maintenance dynamics.
Description of drawings
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, constructing successively from bottom to up at the oblique roofing of building forms 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.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), the insulation layer 3 at roofing arranges topping 4.Topping 4 adopts the thick C20 pea gravel concreten of 30-40mm, 6m * 6m lattice.
(2), stopping area 5 adopts the modified bitumen root resistant waterproof rolls, whole roofing is all laid, with the parapet joint, on the stopping area 5 instead to parapet end face outer edge; With the structure intersection of outstanding roofing, upward instead highly be not less than anti-height on the parapet; At the 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.The rubber drainage plate is laid on the stopping area, does not lay on draining garden road.Such as drain gully, the rubber drainage plate will cover drain gully reliably.For the roofing of the gradient less than 20 degree, the rubber drainage plate adopts empty shop mode; For the roofing of the gradient greater than 20 °, adopt the glue bonding way.
The main performance index of rubber drainage plate should satisfy following requirement: 1. weight:>6kg/m2; 2. displacement under the plate: 〉=10m2/hm2; 3. unit area load-bearing:〉150kN/m2.
(4), filtration beds 8, water conservation layer 7 lay along whole roofing, with the structure intersection of parapet and outstanding roofing, the upper 40cm that instead highly is not less than.Described filtration beds 8, water conservation layer 7 are the nonwoven of different-thickness, and 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 (seeing also Fig. 2):
1. anti-skidding baffle plate 91 is selected the 14# channel-section steel, does antirust processing, after the 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 located of gentle slope roofing (less than 20 degree) is spaced apart 6m * 6m, and the channel-section steel that abrupt slope roofing (greater than 20 degree) is located is spaced apart 3m * 3m, and along vertically adding cross rib 93, cross rib adopts the 7.5# angle steel.
3. the interval arranges a plurality of clumps 92 corresponding to transverse channel steels on filtering layer 8, at clump 92 connector is set, and channel-section steel and connector Bolt Connection are between the channel-section steel, be Bolt Connection between channel-section steel and the 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 less than 20 the degree roofings, lay first light soil layer 80mm, re-lay high order granular soil culture medium 160mm-180mm; For the roofing of the gradient more than or equal to 20 degree, then 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), the requirement of plant being selected: vegetable material select to plant the low brushwood that grows fine in the locality, ornamental value is higher and perennial ground cover plant is mixed takes, from Plant Diversity and symbiosis aspect, the eciophyte relatively stable take growth characteristics and ornamental value, that the landscape ability is stronger and the plant of successful introduction are built the roof plants view that integrates view and ecology as main.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 carry out with sowing or manual inseminating's mode.
(9) in addition, the garden road 13 of some is established in the roof greening zone, 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 the garden road.
Shanghai City slope roof greening engineering, in March, 2010 construction.Design scheme is for building the open type inclined slope roof, and maintenance management is extensive, saves maintenance cost, and simulating nature is ecological, and effect is lasting.44 on this project construction roofing, wherein the gradient is minimum 6 °, maximum 44 ° of the gradient.Construct less than 20 ° of domatic employing gentle slope schemes for the gradient.Domatic greater than 20 ° for the gradient, adopt abrupt slope scheme construction.The below is two specific embodiments.
Embodiment 1:6 ° on No. 39 slopes
The oblique roofing of building from bottom to up construction sequence with require as follows:
(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: lay Φ 110 water-permeable pipes 14 in the road of garden.Garden road filling particle diameter
The draining piece stone 15 of 100-150mm, water-permeable pipe 14 bottoms spread particle diameter 30-60mm rubble 16(referring to Fig. 3).
(4) drainage blanket 6: adopt bodily form cross-linked copolymer rubber porous band drain, the empty shop is without glue
Bonding.
(5) the 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 the 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.At clump 92 connector (such as engaging lug, screw rod or nut etc.) is set, channel-section steel and connector Bolt Connection are Bolt Connection between the channel-section steel.
(8) the light soil layer 10: laying depth 80mm.
(9) high order granular soil culture medium 11: laying depth 160mm.
Embodiment 2:44 ° on No. 7 slopes
The oblique roofing of building from bottom to up construction sequence with require as follows:
(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: lay Φ 110 water-permeable pipes 14 in the road of garden.The draining piece stone 15 of garden road filling particle diameter 100-150mm, water-permeable pipe bottom spread 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) the 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 the 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 3m * 3m, and along vertically adding cross rib, cross rib adopts the 7.5# angle steel.At clump connector is set, channel-section steel and connector Bolt Connection are between the channel-section steel, be Bolt Connection between channel-section steel and the 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 is finished, according to designing requirement, embody the grassland scene with the short showy flowers of herbaceous plants.Carry out the 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 are the sheet bulk and plant.
After construction was finished 3 months, the afforestation effect of roofing basically formed, and the plant growing way is better, and the low brushwood that ornamental value is higher reaches for many years combined short showy flowers of herbaceous plants of the dried rhizome of rehmannia, constructed graceful grassland scene.

Claims (10)

1. the environmental slope roof greening method of a low-maintenance; it is characterized in that constructing successively from bottom to up at the oblique roofing of building forms 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.
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 the modified bitumen root resistant waterproof roll, whole roofing is all laid, with the parapet joint, on the stopping area instead to parapet end face outer edge; With the structure intersection of outstanding roofing, on turn over highly to be not less than and turn over height on the parapet; At the 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 drainage blanket adopts bodily form cross-linked copolymer rubber porous band drain, and the rubber drainage plate is laid on the stopping area; At the drain gully place, the rubber drainage plate will cover drain gully reliably; For the roofing of the gradient less than 20 degree, the rubber drainage plate adopts empty shop mode; For the roofing of the gradient greater than 20 °, adopt the glue bonding way.
5. 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, with parapet and the structure intersection of giving prominence to roofing, on turn over and highly be not less than 40cm; Described filtration beds, water conservation layer are the nonwoven of different-thickness.
6. the environmental slope roof greening method of low-maintenance according to claim 1 is characterized in that 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 the 14# channel-section steel, does antirust processing: after the 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 less than the 20 roofing places, gentle slope of spending is spaced apart 6m * 6m, and the channel-section steel that abrupt slope roofing (greater than 20 degree) is located is spaced apart 3m * 3m, and along vertically adding cross rib, cross rib adopts the 7.5# angle steel;
3. the interval arranges a plurality of clumps corresponding to transverse channel steels on filtering layer, and it is solidified on roof structure layer 1, at clump connector is set, and channel-section steel and connector Bolt Connection are between the channel-section steel, be Bolt Connection between channel-section steel and the angle steel;
4. antirust processing is all done at all Bolt Connection places, the same channel-section steel of processing mode.
7. the environmental slope roof greening method of low-maintenance according to claim 1 is characterized in that, for the roofing of the gradient less than 20 degree, lays first the thick light soil layer of 80mm, re-lays the thick high order granular soil culture medium of 160mm-180mm; For the roofing of the gradient more than or equal to 20 degree, then all adopt high order granular soil culture medium, thickness 240-260mm.
8. 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(0.8~1); Clear water (45~48).
9. 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 the locality, ornamental value is higher and perennial ground cover plant is mixed takes, from Plant Diversity and symbiosis aspect, the eciophyte relatively stable take growth characteristics and ornamental value, that the landscape ability is stronger and the plant of successful introduction are built the roof plants view that integrates view and ecology as main; 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.
10. the environmental slope roof greening method of low-maintenance according to claim 1, its feature exists
In, being provided with the garden road in the roof greening zone, water-permeable pipe is laid in the road in the garden, as the drainage system of whole roofing; Or in conjunction with garden road laying automatic sprinkling system.
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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
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CN105781031A (en) * 2016-03-18 2016-07-20 南开大学 Green roof structure with rainwater retaining ability
CN107295868A (en) * 2017-05-27 2017-10-27 句容市农业技术推广中心 A kind of cultural method of potted dwarf chrysanthemum
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CN107964961A (en) * 2017-08-16 2018-04-27 轻工业环境保护研究所 High gradient slope surface of a wound top layer moss preventing rain wash technology and its construction method
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CN109744019A (en) * 2018-12-29 2019-05-14 温州市龙湾建设园林绿化工程有限公司 A kind of ecotype roof greening system
CN109707114A (en) * 2018-12-30 2019-05-03 中国水电建设集团十五工程局有限公司 Tile roofing antiskid construction technology engineering method
CN109826352A (en) * 2019-01-18 2019-05-31 江苏长三角智慧水务研究院有限公司 A kind of modularization lightweight Green Ramp Roof system and construction method

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