CN111119416A - Planting roof and construction method - Google Patents
Planting roof and construction method Download PDFInfo
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- CN111119416A CN111119416A CN201911390766.4A CN201911390766A CN111119416A CN 111119416 A CN111119416 A CN 111119416A CN 201911390766 A CN201911390766 A CN 201911390766A CN 111119416 A CN111119416 A CN 111119416A
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- layer
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- water
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- waterproof
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Classifications
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- 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
- E04D11/02—Build-up roofs, i.e. consisting of two or more layers bonded together in situ, at least one of the layers being of watertight composition
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- 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
- A01G17/00—Cultivation of hops, vines, fruit trees, or like trees
- A01G17/005—Cultivation methods
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- 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
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
-
- 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
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- 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
- E04D13/04—Roof drainage; Drainage fittings in flat roofs, balconies or the like
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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
Abstract
The invention discloses a planting roof and a construction method, wherein the planting roof comprises a roof structure plate, a slope layer is laid above the roof structure plate, a heat insulation layer for roof heat insulation is arranged above the slope layer, a leveling layer and a waterproof layer are arranged above the heat insulation layer, a root puncture resistant layer with a vegetation root inserted into is arranged above the waterproof layer, and a protective layer is arranged above the root puncture resistant layer; the top of protective layer is equipped with the drainage aquifer, the top of drainage aquifer is equipped with the filter layer, the top of filter layer is equipped with plants the soil layer, plants the top on soil layer and is equipped with green vegetable layer, through planting the plant on flat roof, insulates against heat with the help of the cultivation medium and the plant absorbs sunshine and carries out the dual efficiency of photosynthesis and reach the thermal-insulated purpose of cooling. The planted roof not only has good energy-saving effect, but also has important functions in the aspects of purifying air, improving urban ecology, beautifying environment and improving comprehensive utilization benefit of buildings, and is suitable for wide popularization and application.
Description
Technical Field
The invention relates to the technical field of building roofs, in particular to a planting roof and a construction method.
Background
The planting roof, as the name suggests, plants are planted on the flat roof, and the dual effects of heat insulation of the planting medium and photosynthesis of the plants by absorbing sunlight are utilized to achieve the purpose of temperature reduction and heat insulation. The planted roof is divided into roof gardens, so that the roof garden has a good energy-saving effect, and plays an important role in purifying air, improving urban ecology, beautifying the environment and improving the comprehensive utilization benefit of buildings.
The existing roof has the following defects: 1. the traditional roof does not have the function of increasing urban greening, and along with the fact that the greening land resources in urban areas are less and less, greening beautification gradually extends to the air, and greening the roof becomes a new greening way; 2. the water consumption of vegetation can not be mastered owing to can't hold vegetation to current planting roofing, can not master the displacement of roofing, if the roofing deposits too much then can increase the holistic weight of roofing, increases the load of structural layer, if the excessive drainage of roofing, then can lead to the vegetation on the roofing because of lacking the unable normal growth of moisture, can not reach afforestation environment, heat preservation thermal-insulated and waterproof effect.
Disclosure of Invention
In order to make up for the defects of the prior art, the invention provides a planting roof and a construction method, which are used for accurately controlling the water quantity of a drainage and water storage layer by constructing each layer, realizing the healthy growth of vegetation and solving the problems in the prior art.
The invention is realized by the following technical scheme: a planting roof comprises a roof structure plate, wherein a slope layer is laid above the roof structure plate, a heat preservation layer for roof heat preservation is arranged above the slope layer, a leveling layer and a waterproof layer are arranged above the heat preservation layer, a root puncture resistant layer with a vegetation root inserted into the root system is arranged above the waterproof layer, and a protective layer is arranged above the root puncture resistant layer; the water-saving and water-saving type water-saving and water-saving device is characterized in that a water drainage and water storage layer is arranged above the protective layer, a filter layer is arranged above the water drainage and water storage layer, a planting soil layer is arranged above the filter layer, and a green vegetation layer is arranged above the planting soil layer.
Preferably, the slope finding layer comprises cement, sand and air-entrapping fragments, and the volume ratio of the slope finding layer to the air-entrapping fragments is 1:1.5: 4.
Further optimally, the heat insulation layer is an extruded polystyrene board, and the thickness of the heat insulation layer is 55-65 mm.
Further optimally, the drainage water-storage layer includes concave-convex type drain bar and is located the filter screen of concave-convex type drain bar top, concave-convex type drain bar includes a plurality of parallel arrangement's shrinkage pool, every row the below of shrinkage pool is equipped with a water service pipe, concave-convex type drain bar's center still is equipped with the escape canal of bar.
Preferably, the waterproof layer is a high polymer modified asphalt waterproof coil layer.
Further optimally, the root penetration resistant layer is a geomembrane layer.
A construction method for a planted roof comprises the following steps:
step 1, paving a leveling layer above a roof structure plate: before construction, cleaning the surface of a base layer, and spraying clear water once by using a spray can; adding water into cement, sand and air-entrapping fragments in a volume ratio of 1:1.5:4, and uniformly stirring, wherein the particle size of the air-entrapping fragments is less than or equal to 30 mm;
paving a slope layer according to the slope of 2%, and drawing a line to find a slope, wherein the lowest position is not less than 40 mm; using the slope finding sticking cake as a mark, controlling the virtual paving thickness, roughly leveling by using a shovel, and then leveling by using a wood scraping bar; rolling back and forth by using a press roller, checking the flatness by using a 2m guiding rule at any time, shoveling off the excessive part, filling the concave part until the pulp is rolled and leveled out;
the parts which are not easy to roll around the wall root and the corner are tightly flapped by wood boards; when the thickness exceeds 120mm, the dry aerated concrete fragments can be paved and pressed and compacted, and then aerated concrete fragment slope-finding layers with the thickness of 50mm are paved on the dry aerated concrete fragments;
laying polystyrene boards: when in construction, a grading line is popped up, boards are arranged according to the grading line, and adjacent polystyrene boards are laid in a staggered joint manner; the gaps between the blocks are tightly plugged by small polystyrene boards, and the insulation boards are laid smoothly;
step 3, waterproof layer construction: base layer treatment: removing impurities such as bulges, mortar, pimples and the like on the surface of the leveling layer before paving the coiled material, and cleaning dust; then brushing asphalt-based waterproof paint;
additional layer construction: adding additional layers at weak parts which are easy to leak, such as the internal and external corners, the gutter, the cornice, the root of the pipe on the roof and the like, wherein the width of the additional layers is 500 mm;
hot melting and paving large-area waterproof rolls: after a datum line is bounced on the base layer, a flame spray gun is ignited, the junction of the bottom surface of the coiled material and the base layer is baked, so that the modified asphalt at the bottom edge of the coiled material is melted, the edge is heated and rolled forwards along the long edge of the coiled material, air is exhausted, and the coiled material and the base layer are firmly bonded; the coiled material is spread and pasted to 250mm positions on the planting soil layer surface upwards at the corner of the roof and the vertical surface, the flashing position of the parapet, the pipe penetrating the roof surface and the like for tail end head closing treatment;
hot melting and edge sealing: baking the lap seam of the coiled material by using a gasoline blowtorch, wherein the flame direction is opposite to the advancing direction of an operator; firstly, sealing the long edge and then sealing the short edge; finally, the coiled material head is tightly sealed by using the modified asphalt sealant;
water storage test: after the roof waterproof layer is finished, a water storage test is carried out, and the roof waterproof layer is qualified after 24 hours of water storage;
step 4, construction of a protective layer: firstly, paving a linoleum protective layer above the waterproof layer;
taking a small geomembrane with the thickness of 300 multiplied by 600mm for trial welding; if the value is not lower than the specified value, locking the instrument parameters, and starting formal welding according to the instrument parameters;
welding the laid geomembrane, wherein a double-seam heat seal welding method is adopted during large-area construction, a single-seam welding extrusion method is adopted at the positions of a pipe root and a water falling port, and the overlapping length of the geomembrane is not less than 80 mm;
and (3) carrying out quality inspection on the welding seam: non-destructive testing: performing inflation inspection, wherein during inspection, a special needle is used for puncturing the double-weld-seam cavity, two ends of the double-weld-seam cavity are sealed, air is inflated by an air compressor, the pump is stopped when the positive pressure of 0.2Mpa is reached, the pressure is maintained for 5min, the pressure is not reduced to be qualified, or after the pressure is maintained for 5min, the maximum pressure difference is not more than 10 percent of the pressure for stopping the pump, and the pump is; destructive testing: the shear strength of the welding seam is tested by adopting a tensile test, during self-inspection, a test piece is cut at every 150-250 m long welding seam, the test is carried out on a stretching machine on the spot, when engineering is tested, a test piece is taken for 3000-4000 m2, and the spot size is as follows: the width is 0.2m, the length is 0.3m, the width of a small test strip is 10mm, the small test strip is broken on wood during a weld joint shear tensile test, and the weld joint is intact and qualified;
step 5, drainage and water storage layer construction: the concave-convex drainage plate is adopted, the convex surface faces downwards during construction, and the concave surface can store partial water;
step 6, laying a filter layer, wherein a layer of the filter layer is laid at 200-250 g/m2The lap seam of the polyester fiber non-woven fabric filter layer is connected by a thread rope, the periphery of the filter layer is turned upwards by 100mm, and the end part and the head are firmly adhered to the base layer by an adhesive within 50 mm;
step 7, paving planting soil: and paving planting soil with different thicknesses according to the planting requirements of different vegetation.
The invention has the beneficial effects that:
firstly, the method comprises the following steps: the vegetation water-saving device is provided with the concave-convex drainage plate, the water through pipe is arranged below the concave-convex drainage plate, when the vegetation grows normally, the root system of the vegetation is inserted into the drainage water-storage layer to absorb water stored in the concave hole, the water through pipe is communicated with the concave hole, the water storage amount in the concave hole is determined by observing the water amount in the water through pipe, if the water storage amount is excessive, the water can flow out to the outside through the drainage ditch, at the moment, a water pump can be manually used for draining excessive water through the water through pipe, if no water seeps out from the drainage ditch and the water amount in the water through pipe is reduced, the water is conveyed into the concave hole through the water through pipe;
II, secondly: according to the construction method of the planted roof, the plants are planted on the flat roof, and the purposes of temperature reduction and heat insulation are achieved by means of double effects of heat insulation of the culture medium and photosynthesis of the plants by absorbing sunlight. The planted roof not only has good energy-saving effect, but also has important functions in the aspects of purifying air, improving urban ecology, beautifying environment and improving comprehensive utilization benefit of buildings, and is suitable for wide popularization and application.
Drawings
Fig. 1 is a schematic structural diagram of the planted roof of the invention.
Fig. 2 is a schematic structural diagram of a drainage aquifer according to the invention.
In the figure, 1, a roofing structural slab; 2. finding a slope layer; 3. a heat-insulating layer; 4. leveling layer; 5. a waterproof layer; 6. a root-resistant layer; 7. a protective layer; 8. a drainage and water storage layer; 81. a concave-convex drainage layer; 811 concave hole, 812, water pipe; 813. a drainage ditch; 82. filtering with a screen; 9. a filter layer; 10. planting a soil layer; 1. a green vegetation layer.
Detailed Description
In order to clearly explain the technical features of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings.
As shown in fig. 1-2, the present embodiment discloses a planting roof, which includes a roof structure plate 1, a slope layer 2 is laid above the roof structure plate 1, a heat insulation layer 3 for roof heat insulation is arranged above the slope layer 2, a leveling layer 4 and a waterproof layer 5 are arranged above the heat insulation layer 3, a root puncture resistant layer 6 for inserting a vegetation root system is arranged above the waterproof layer 5, and a protective layer 7 is arranged above the root puncture resistant layer 6; the water drainage and storage layer 8 is arranged above the protective layer 7, the filter layer 9 is arranged above the water drainage and storage layer 8, the planting soil layer 10 is arranged above the filter layer 9, and the green planting layer 11 is arranged above the planting soil layer 10.
In a preferred embodiment, the slope layer 2 comprises cement, sand and air-entrained fragments, and the volume ratio of the cement to the sand to the air-entrained fragments is 1:1.5: 4.
As a preferred embodiment, the heat-insulating layer 3 is an extruded polystyrene board, and the thickness of the heat-insulating layer 3 is 55-65 mm.
As a preferred embodiment, the drainage water storage layer 8 comprises a concave-convex drainage plate 81 and a filter screen 82 positioned above the concave-convex drainage plate 81, the concave-convex drainage plate comprises a plurality of concave holes 811 arranged in parallel, a water pipe 812 is arranged below each concave hole, and a strip-shaped drainage ditch 813 is further arranged in the center of the concave-convex drainage plate.
In a preferred embodiment, the waterproof layer 5 is a high polymer modified asphalt waterproof roll layer.
In a preferred embodiment, the root penetration resistant layer 6 is a geomembrane layer.
A construction method for a planted roof comprises the following steps:
step 1, paving a leveling layer above a roof structure plate: before construction, cleaning the surface of a base layer, and spraying clear water once by using a spray can; adding water into cement, sand and air-entrapping fragments in a volume ratio of 1:1.5:4, and uniformly stirring, wherein the particle size of the air-entrapping fragments is less than or equal to 30 mm;
paving a slope layer according to the slope of 2%, and drawing a line to find a slope, wherein the lowest position is not less than 40 mm; using the slope finding sticking cake as a mark, controlling the virtual paving thickness, roughly leveling by using a shovel, and then leveling by using a wood scraping bar; rolling back and forth by using a press roller, checking the flatness by using a 2m guiding rule at any time, shoveling off the excessive part, filling the concave part until the pulp is rolled and leveled out;
the parts which are not easy to roll around the wall root and the corner are tightly flapped by wood boards; when the thickness exceeds 120mm, the dry aerated concrete fragments can be paved and pressed and compacted, and then aerated concrete fragment slope-finding layers with the thickness of 50mm are paved on the dry aerated concrete fragments;
laying polystyrene boards: when in construction, a grading line is popped up, boards are arranged according to the grading line, and adjacent polystyrene boards are laid in a staggered joint manner; the gaps between the blocks are tightly plugged by small polystyrene boards, and the insulation boards are laid smoothly;
step 3, waterproof layer construction: base layer treatment: removing impurities such as bulges, mortar, pimples and the like on the surface of the leveling layer before paving the coiled material, and cleaning dust; then brushing asphalt-based waterproof paint;
additional layer construction: adding additional layers at weak parts which are easy to leak, such as the internal and external corners, the gutter, the cornice, the root of the pipe on the roof and the like, wherein the width of the additional layers is 500 mm;
hot melting and paving large-area waterproof rolls: after a datum line is bounced on the base layer, a flame spray gun is ignited, the junction of the bottom surface of the coiled material and the base layer is baked, so that the modified asphalt at the bottom edge of the coiled material is melted, the edge is heated and rolled forwards along the long edge of the coiled material, air is exhausted, and the coiled material and the base layer are firmly bonded; the coiled material is spread and pasted to 250mm positions on the planting soil layer surface upwards at the corner of the roof and the vertical surface, the flashing position of the parapet, the pipe penetrating the roof surface and the like for tail end head closing treatment;
hot melting and edge sealing: baking the lap seam of the coiled material by using a gasoline blowtorch, wherein the flame direction is opposite to the advancing direction of an operator; firstly, sealing the long edge and then sealing the short edge; finally, the coiled material head is tightly sealed by using the modified asphalt sealant;
water storage test: after the roof waterproof layer is finished, a water storage test is carried out, and the roof waterproof layer is qualified after 24 hours of water storage;
step 4, construction of a protective layer: firstly, paving a linoleum protective layer above the waterproof layer;
taking a small geomembrane with the thickness of 300 multiplied by 600mm for trial welding; if the value is not lower than the specified value, locking the instrument parameters, and starting formal welding according to the instrument parameters;
welding the laid geomembrane, wherein a double-seam heat seal welding method is adopted during large-area construction, a single-seam welding extrusion method is adopted at the positions of a pipe root and a water falling port, and the overlapping length of the geomembrane is not less than 80 mm;
and (3) carrying out quality inspection on the welding seam: non-destructive testing: performing inflation inspection, wherein during inspection, a special needle is used for puncturing the double-weld-seam cavity, two ends of the double-weld-seam cavity are sealed, air is inflated by an air compressor, the pump is stopped when the positive pressure of 0.2Mpa is reached, the pressure is maintained for 5min, the pressure is not reduced to be qualified, or after the pressure is maintained for 5min, the maximum pressure difference is not more than 10 percent of the pressure for stopping the pump, and the pump is; destructive testing: the shear strength of the welding seam is tested by adopting a tensile test, during self-inspection, a test piece is cut at every 150-250 m long welding seam, the test is carried out on a stretching machine on the spot, when engineering is tested, a test piece is taken for 3000-4000 m2, and the spot size is as follows: the width is 0.2m, the length is 0.3m, the width of a small test strip is 10mm, the small test strip is broken on wood during a weld joint shear tensile test, and the weld joint is intact and qualified;
step 5, drainage and water storage layer construction: the concave-convex drainage plate is adopted, the convex surface faces downwards during construction, and the concave surface can store partial water;
step 6, laying a filter layer, wherein a layer of the filter layer is laid at 200-250 g/m2The lap seam of the polyester fiber non-woven fabric filter layer is connected by a thread rope, the periphery of the filter layer is turned upwards by 100mm, and the end part and the head are firmly adhered to the base layer by an adhesive within 50 mm;
step 7, paving planting soil: and paving planting soil with different thicknesses according to the planting requirements of different vegetation.
The working principle of the invention is as follows:
the vegetation water-saving device is provided with the concave-convex drainage plate, the water through pipe is arranged below the concave-convex drainage plate, when the vegetation grows normally, the root system of the vegetation is inserted into the drainage water-storage layer to absorb water stored in the concave hole, the water through pipe is communicated with the concave hole, the water storage amount in the concave hole is determined by observing the water amount in the water through pipe, if the water storage amount is excessive, the water can flow out to the outside through the drainage ditch, at the moment, a water pump can be manually used for draining excessive water through the water through pipe, if no water seeps out from the drainage ditch and the water amount in the water through pipe is reduced, the water is conveyed into the concave hole through the water through pipe;
according to the construction method of the planted roof, the plants are planted on the flat roof, and the purposes of temperature reduction and heat insulation are achieved by means of double effects of heat insulation of the culture medium and photosynthesis of the plants by absorbing sunlight. The planted roof not only has good energy-saving effect, but also has important functions in the aspects of purifying air, improving urban ecology, beautifying environment and improving comprehensive utilization benefit of buildings, and is suitable for wide popularization and application.
The present invention is not described in detail, but is known to those skilled in the art. Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (7)
1. A plant roofing which characterized in that: the heat-insulation roof structure plate comprises a roof structure plate (1), a slope layer (2) is laid above the roof structure plate (1), a heat-insulation layer (3) for roof heat insulation is arranged above the slope layer (2), a leveling layer (4) and a waterproof layer (5) are arranged above the heat-insulation layer (3), a root puncture-resistant layer (6) with a vegetation root system inserted is arranged above the waterproof layer (5), and a protective layer (7) is arranged above the root puncture-resistant layer (6); the water-saving and water-saving type water-saving and water-saving planting device is characterized in that a drainage water storage layer (8) is arranged above the protective layer (7), a filtering layer (9) is arranged above the drainage water storage layer (8), a planting soil layer (10) is arranged above the filtering layer (9), and a green planting layer (11) is arranged above the planting soil layer (10).
2. The planted roof of claim 1, wherein: the slope finding layer (2) comprises cement, sand and air-entrapping fragments, and the volume ratio of the cement to the sand to the air-entrapping fragments is 1:1.5: 4.
3. The planted roof of claim 1, wherein: the heat-insulating layer (3) is an extruded polystyrene board, and the thickness of the heat-insulating layer (3) is 55-65 mm.
4. The roofing construction and waterproof insulation method according to claim 1, characterized in that: drainage water storage layer (8) include unsmooth type drain bar (81) and are located filter screen (82) of unsmooth type drain bar (81) top, unsmooth type drain bar includes a plurality of parallel arrangement's shrinkage pool (811), every line the below of shrinkage pool is equipped with a water service pipe (812), the center of unsmooth type drain bar still is equipped with escape canal (813) of bar.
5. The planted roof of claim 1, wherein: the waterproof layer (5) is a high polymer modified asphalt waterproof coil material layer.
6. The planted roof of claim 1, wherein: the root penetration resistant layer (6) is a geomembrane layer.
7. A construction method for a planted roof is characterized in that: the method comprises the following steps:
step 1, paving a leveling layer above a roof structure plate: before construction, cleaning the surface of a base layer, and spraying clear water once by using a spray can; adding water into cement, sand and air-entrapping fragments in a volume ratio of 1:1.5:4, and uniformly stirring, wherein the particle size of the air-entrapping fragments is less than or equal to 30 mm;
paving a slope layer according to the slope of 2%, and drawing a line to find a slope, wherein the lowest position is not less than 40 mm; using the slope finding sticking cake as a mark, controlling the virtual paving thickness, roughly leveling by using a shovel, and then leveling by using a wood scraping bar; rolling back and forth by using a press roller, checking the flatness by using a 2m guiding rule at any time, shoveling off the excessive part, filling the concave part until the pulp is rolled and leveled out;
the parts which are not easy to roll around the wall root and the corner are tightly flapped by wood boards; when the thickness exceeds 120mm, the dry aerated concrete fragments can be paved and pressed and compacted, and then aerated concrete fragment slope-finding layers with the thickness of 50mm are paved on the dry aerated concrete fragments;
step 2, construction of a heat insulation layer: cleaning up garbage, sundries and the like on the roof, plugging various pipelines out of the roof tightly, and keeping the base layer dry;
laying polystyrene boards: when in construction, a grading line is popped up, boards are arranged according to the grading line, and adjacent polystyrene boards are laid in a staggered joint manner; the gaps between the blocks are tightly plugged by small polystyrene boards, and the insulation boards are laid smoothly;
step 3, waterproof layer construction: base layer treatment: removing impurities such as bulges, mortar, pimples and the like on the surface of the leveling layer before paving the coiled material, and cleaning dust; then brushing asphalt-based waterproof paint;
additional layer construction: adding additional layers at weak parts which are easy to leak, such as the internal and external corners, the gutter, the cornice, the root of the pipe on the roof and the like, wherein the width of the additional layers is 500 mm;
hot melting and paving large-area waterproof rolls: after a datum line is bounced on the base layer, a flame spray gun is ignited, the junction of the bottom surface of the coiled material and the base layer is baked, so that the modified asphalt at the bottom edge of the coiled material is melted, the edge is heated and rolled forwards along the long edge of the coiled material, air is exhausted, and the coiled material and the base layer are firmly bonded; the coiled material is spread and pasted to 250mm positions on the planting soil layer surface upwards at the corner of the roof and the vertical surface, the flashing position of the parapet, the pipe penetrating the roof surface and the like for tail end head closing treatment;
hot melting and edge sealing: baking the lap seam of the coiled material by using a gasoline blowtorch, wherein the flame direction is opposite to the advancing direction of an operator; firstly, sealing the long edge and then sealing the short edge; finally, the coiled material head is tightly sealed by using the modified asphalt sealant;
water storage test: after the roof waterproof layer is finished, a water storage test is carried out, and the roof waterproof layer is qualified after 24 hours of water storage;
step 4, construction of a protective layer: firstly, paving a linoleum protective layer above the waterproof layer;
taking a small geomembrane with the thickness of 300 multiplied by 600mm for trial welding; if the value is not lower than the specified value, locking the instrument parameters, and starting formal welding according to the instrument parameters;
welding the laid geomembrane, wherein a double-seam heat seal welding method is adopted during large-area construction, a single-seam welding extrusion method is adopted at the positions of a pipe root and a water falling port, and the overlapping length of the geomembrane is not less than 80 mm;
and (3) carrying out quality inspection on the welding seam: non-destructive testing: performing inflation inspection, wherein during inspection, a special needle is used for puncturing the double-weld-seam cavity, two ends of the double-weld-seam cavity are sealed, air is inflated by an air compressor, the pump is stopped when the positive pressure of 0.2Mpa is reached, the pressure is maintained for 5min, the pressure is not reduced to be qualified, or after the pressure is maintained for 5min, the maximum pressure difference is not more than 10 percent of the pressure for stopping the pump, and the pump is; destructive testing: the shear strength of the welding seam is tested by adopting a tensile test, during self-inspection, a test piece is cut at every 150-250 m long welding seam, the test is carried out on a stretching machine on the spot, when engineering is tested, a test piece is taken for 3000-4000 m2, and the spot size is as follows: the width is 0.2m, the length is 0.3m, the width of a small test strip is 10mm, the small test strip is broken on wood during a weld joint shear tensile test, and the weld joint is intact and qualified;
step 5, drainage and water storage layer construction: the concave-convex drainage plate is adopted, the convex surface faces downwards during construction, and the concave surface can store partial water;
step 6, laying a filter layer, wherein a layer of the filter layer is laid at 200-250 g/m2The lap seam of the polyester fiber non-woven fabric filter layer is connected by a thread rope, the periphery of the filter layer is turned upwards by 100mm, and the end part and the head are firmly adhered to the base layer by an adhesive within 50 mm;
step 7, paving planting soil: and paving planting soil with different thicknesses according to the planting requirements of different vegetation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911390766.4A CN111119416A (en) | 2019-12-30 | 2019-12-30 | Planting roof and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN112753496A (en) * | 2021-01-13 | 2021-05-07 | 山东建筑大学 | Light roof greening planting method |
| CN113931386A (en) * | 2021-10-13 | 2022-01-14 | 浙江高专建筑设计研究院有限公司 | Green building design construction process |
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| CN114216622B (en) * | 2021-10-31 | 2024-03-26 | 郑州大学 | Leakage detection device for BIPV building roof waterproof coiled material |
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