CN107060226A - A kind of construction method of planted roof construction - Google Patents
A kind of construction method of planted roof construction Download PDFInfo
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- CN107060226A CN107060226A CN201710336090.5A CN201710336090A CN107060226A CN 107060226 A CN107060226 A CN 107060226A CN 201710336090 A CN201710336090 A CN 201710336090A CN 107060226 A CN107060226 A CN 107060226A
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Classifications
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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
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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
- A01G20/00—Cultivation of turf, lawn or the like; Apparatus or methods therefor
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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
- 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
- E04D11/002—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 consisting of two or more layers, at least one of the layers permitting turfing of the roof
-
- 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
-
- 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
-
- 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
- E04D13/064—Gutters
-
- 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
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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
- E04D13/17—Ventilation of roof coverings not otherwise provided for
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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 kind of overlarge area planted roof and its construction method, step is：（1）Roof construction layer processing；（2）Roofing point storehouse and extra play construction；（3）Complex waterproof layer is constructed；（4）Heat-insulation layer is constructed；（5）Roof exhaust system is constructed；（6）Sloping layer is constructed；（7）Common coil waterproof layer construction；（8）Root-resistant puncturing every root waterproof layer is constructed；（9）Malthoid separation layer is constructed；（10）Rigid course is constructed；（11）Gutter Retaining wall；（12）Water draining and accumulating layer construction；（13）Drainage system is constructed；（14）Filter layer is constructed；（15）Planting medium layer construction；（16）Vegetable layer is constructed.Extraordinary effect is achieved in terms of the insulation of overlarge area planted roof, heat-insulated, waterproof, greening, technique is simple, easily operated, and construction quality is excellent, and economic and social benefit is huge.
Description
Technical field
The invention belongs to technical field of building construction, belong to planted roof scope, and in particular to a kind of overlarge area plantation
The construction method of roof structure, it is applied to various planted roofs.
Background technology
Planted roof improves air quality because being conducive to alleviating city " heat island benefit " now, improves the ecology in city
Environment, realizes the advantage of man and nature coordinated development and has obtained all circles' extensive concern, and pushed greatly in urban architecture
Extensively.With the constantly improve of every specification, monomer planted roof area is also continuously increased to nowadays from hundreds of square meters of the seventies
Tens thousand of square meters.And in industry, the planted roof that roof greening area generally is reached into square meters up to ten thousand regards as overlarge area
Planted roof, and existing appearance《Technical code for roof engineering》GB50345-2012；《Planted roof technical regulation》
JGJ155-2013；14J206《Planted roof architectural construction atlas》；Central-South 15ZJ203《Planted roof atlas》Etc. all kinds of countries
Although the construction of specification, atlas constantly improve planted roof is instructed.But in terms of its scope of application without common planted roof and
The differentiation of super large planted roof is defined.
Reach that up to ten thousand square metres of overlarge area planted roof is met for area using the non-leakage difficult point of function to be
With roofing overlength super large concrete structure and external environment condition interaction result and nonlinear dependence between roofing more internal construction
System, but Nonlinear Stochastic relation, so super large planted roof is on the whole a complicated open system.Compare common
Planted roof, has that watershed line overlength, catchment area are big, the construction number of plies is complicated, that inside and outside does not know influence factor is numerous etc.
Feature, needs to consider its waterproof, draining, exhaust and the interaction with environment in work progress.
These characteristics are not taken in existing planted roof job specfication, atlas way, easily causes and constructed
Occur a series of problems, such as point water gradient and tissue draining are unreasonable, heat-insulation layer exhaust is bad, seepage maintenance is difficult in journey.
The content of the invention
The purpose of the present invention is to be to provide a kind of construction method of overlarge area planted roof construction, both effective to solve
The drawbacks such as big area roof draining tissue is unreasonable, heat-insulation layer exhaust is bad, seepage maintenance difficulty, can reach super large face again
Product planted roof waterproof is tight, and plant growth is good, and roofing is respectively constructed and coordination of landscape, attractive in appearance, practical effect.
In order to realize above-mentioned purpose, the present invention uses following technical measures：
Its technical concept is：A kind of construction method of overlarge area planted roof construction, is looked for from overlarge area planted roof
Slope layer control, subregional organization's draining, water proof structure construct, are vented hoistway arrangement with being set out in terms of Afforestation Landscape harmony,
A kind of construction way of suitable overlarge area planted roof construction is proposed, passes through four road waterproof layers, concrete watershed line, blast pit
The problem of draining of overlarge area planted roof, exhaust and waterproof are difficult is effectively solved Deng ameliorative measure, roofing can be eliminated and oozed
Hidden danger is leaked, plant grew well is can guarantee that again, while greatly reducing the expense reprocessed, economic, attractive in appearance, practical effect is reached.
Effective supplement is carried out to planted roof construction method simultaneously.
A kind of construction method of overlarge area planted roof construction, its step is：
(1) roof construction layer is handled：Laitance on roof construction layer is cleaned out with dedusting sander and dust catcher, basic unit
It is smooth, firm, without phenomenon of peeling and flake, for local distress in concrete, post empiricism seam, reserved opening construction joint etc.
Position must dig into V-groove (50 width × 30 are deep), and bicomponent liquid epoxy coating containment, upper berth glass fibre are used after cleaning up
Net (seam both sides cover width is not less than 25cm), finally carries out pointing sealing using uncured rubber asphalt.
The processing method avoids hand labor intensity in traditional local mortar levelling measure and greatly, needs to wait for maintenance, together
When there is screed and come off the deficiencies such as hidden danger.Labor intensity is effectively reduced using mechanical execution, integral smoothness matter is improved
Amount.Pitch filleting can be effectively closed by structure sheaf after substrate close simultaneously, reduces hidden leakage defect.
(2) roofing point storehouse and extra play construction：As shown in Figure 1,3, whole roof construction layer is carried out in 9 × 18m forms
Sequence placing is horizontal, vertical concrete watershed line, wherein horizontal watershed line looks for slope when pouring by 2%, is applied as postorder sloping layer
Work control line；First the position in point storehouse is being needed to be implanted into Φ 8 U-shaped reinforcing bar, assembled two side templates are simultaneously reinforced, and then colligation is double
The horizontal elongated reinforcing bars of Φ 6, last fixed seal head template after-pouring concrete watershed line fully vibrates and conserved by regulation.Dividing
At the concrete watershed line in storehouse, gutter and roofing junction, roofing plane and facade junction make radius 50mm circular arc, if
1.5mm is put to be altogether unjustifiable the roof waterproof extra play of the thick self-adhesive modified asphalt waterproof rolling material of curing rubber asphalt waterproofing paint and 1.5mm,
Extra play is not less than 250mm per side width.
9 × 18m frameworks of similar cellular network are formed behind concrete watershed line point storehouse, can quickly determine to ooze in each bin
The larger position of hidden danger is leaked, its waterproof construction quality of priority control eliminates as much as breakthrough.With can ensure that behind time-division storehouse it is single fall
Mouth of a river catchment area control is not in that local catchment area is excessive in 198-202 ㎡ or so, when running into heavy rain class bad weather
And cause roof drainage difficult excessive with load, optimize roofing tissue draining.Also can effectively it be blocked if any infiltration in bin, it is to avoid
There is channelling, be easy to seepage to overhaul.And horizontal watershed line looks for slope as postorder sloping layer Construction control line when pouring by 2%, apply
Work simple and fast, compared to more traditional cumbersome ash cake floating screed way, not only shortens the duration, while being easy to control sloping layer construction matter
Amount.
(3) complex waterproof layer is constructed：Complex waterproof layer is altogether unjustifiable curing rubber asphalt waterproofing paint and 1.5mm from 1.5mm
Thick PET self-adhesive modified asphalt waterproof rolling materials, according to reference to Beijing's provincial standard《Uncured rubber asphalt waterproof coating construction skill
Art code》(exposure draft) construction (domestic temporarily without national standard at present).Uncured asphalt waterproofing paint adds in heating tank
Then heat constructed to molten condition using knife coating.Facade, node are first applied during construction, plane is applied afterwards, and by slitting interval mode
Or retrograde manner in order.Painting, which is scraped, to be layered, point all over coating, confirm coating surface bubble-free, it is non-wrinkle, without pit, without scratch
Etc. defect.Scratch and roll paving PET self-adhesive modified asphalt waterproof rolling materials after uncured rubber asphalt waterproof coating in 3min, along flowing water
Direction paving successively, reduces coiled material short side overlap joint.Ensure that coiled material is not less than 100mm, short side overlapping the slot along current direction overlapping the slot
Stagger not less than 500mm.
Asphalt paint compares traditional single coating or waterproof coiled material with the complex waterproof layer of asphalt water-proof coiled material, in waterproof
It is more guaranteed in reliability, while integral thickness and the more single waterproof layer of weight are lighter, effectively reduce planted roof lotus
Carry.
(4) insulation (heat-insulated) layer construction：As shown in figure 1, insulation (heat-insulated) layer uses 350 thickness XPS styrofoams, thermal conductivity factor
≤0.03W/(m·K).First complex waterproof layer is cleaned up before construction, then in dry-laid XPS styrofoams thereon, each plate should
Closely lay, pave, padding steady.Interplate gap, it is closely knit using same type XPS styrofoam chip pointings, surface should with it is adjacent
Two plates are highly consistent.Arranging exhaust air road and blast pit position is reserved during warming plate paving simultaneously.
(5) roof exhaust system is constructed：As shown in Fig. 1,4, while construction heat-insulating (heat-insulated) layer 3, at 9 × 18m points
According to array pitch arranging exhaust air road between 9m in storehouse, exhaust duct is using the wide double-deck concavo-convex drain bars of 400mm, overlying 250g/ ㎡ nonwovens soil
Work cloth is protected.The insertion in length and breadth of exhaust duct 14, and in intersection sand-lime brick masonry and the blast pit of atmosphere, blast pit external diameter
Size is 400 × 400mm, and internal diameter size is 200 × 200mm, and well headroom sets air-vent and concrete cover, and blast pit is whole
Body is higher by plantation soil layer about 300mm.Blast pit surrounding sets up additional waterproof course to planting soil face absolute altitude, and sealing cement filleting is close
It is real.
Common roof gas extraction system way is plum blossom arrangementBlast pipe and the wide exhaust ducts of 40mm, but for overlarge area
Planted roof, it will a large amount of blast pipes for stretching out vegetation occur.Not only construction intensity is big, can also destroy roofing integral landscape.And
And in the longer construction period of super large planted roof,Steam vent, road are easily blocked and rupture causes coiled material layer ponding to freeze
Swollen, gas pressure causes coiled material cracking destruction.After gas extraction system of the present invention construction not only exhaust effect compared to conventional exhaust pipe,
Road is more notable, and exhaust apparatus is not easily blocked and damaged, also substantially improves the in-built air-and water-permeable of roofing and the temperature difference is big
Etc. performance, its roofing is allowed constantly to adapt to the change of external environment condition.Stretching vegetation number of tubes, exhaust are significantly reduced simultaneously
Well air is attractive in appearance, is easy to the later stage to carry out decorations and construction of providing quality goods or brilliant, can collectively constitute beautiful landscape with roof planting thing vegetation.
(6) sloping layer is constructed：As shown in figure 1, sloping layer is poured using C25 lightweight aggregate concretes.A point water is checked before construction
Line additional waterproof course and heat-insulation layer construction quality, then uniformly sweep plain-water slurry one time, with after-pouring lightweight aggregate on heat-insulation layer
Concrete, controls the gradient, overlay film is conserved after wash cement slurry press polish in strict accordance with horizontal watershed line.
The present invention looks for slope using C25 lightweight aggregate concretes, not only avoid traditional asphalt perlite and looks in the work progress of slope,
The hidden danger of sloping layer hollowing caused by water-swellable, while compared to for air entrained concrete sloping layer, bulk strength is higher.Effectively
The flatness and intensity of sloping layer are ensure that, the base layer quality of follow-up common waterproof roll paving is improved.
(7) common coil waterproof layer construction：As shown in figure 1, common coil waterproof layer is modified using the thick tacks of 2-4mm
Asphalt water-proof coiled material, first cleans out concrete sloping layer basal plane before construction, the brushing diluent (vapour in dry basic unit
Oil, diesel oil, kerosene etc.) pitch is diluted after adhesive bitument primer.Uniformity is wanted during brushing, without show-through, operate and wants rapid,
Once coat, be sure not to brush repeatedly, can also use spraying method (common).After basic unit's bituminous primer dries (4~12h),
By field condition ejection installation of membrane position, then by water (flow) direction successively paving, it is ensured that coiled material along current direction overlapping the slot not
Less than 100mm, short side overlapping the slot is staggered not less than 500mm.
(8) root-resistant puncturing every root waterproof layer is constructed：As shown in figure 1, root-resistant puncturing every root waterproof layer is multiple using 3-5mm thickness
Copper tire base root resistant waterproof roll is closed, its construction method is according to JGJ155-2013《Planted roof technical regulation》Will
Ask and use hot melt, constructed directly in common coiled material root-resistant puncturing every root waterproof layer.With spray gun at away from 0.3~0.5m of coiled material
Baking entire volume coiled material is moved back and forth, after after coating fusing (temperature control is between 100~180 DEG C), is immediately rolled coiled material
Paste, and rolled with pressure roller with root-resistant puncturing every root waterproof layer, exclude the air below coiled material, be allowed to open and flat, must not fold, and
Roll-in is answered to be firmly bonded.Well-controlled at overlapping the slot, malthoid is taken advantage of after spray is roasting, and (asphalt temperature temperature control is 200 along uncolled
DEG C~230 DEG C between), it is with trowel that banding is good immediately, roasting compacting is finally sprayed in seam crossing uniform and delicate with blowtorch again.During patch
Notice that lap position should stagger with the lap position of upper track waterproof roll, and ensure that lap width is not less than 100mm.
(9) malthoid separation layer is constructed：As shown in figure 1, separation layer uses the form of dry-laid asphalt felt.Asphalt felt is layered on resistance to
In root puncture every root waterproof layer, Parallel to the flow direction laying is smooth during laying, reduces short side overlap joint；Ensure that short side overlapping the slot is staggered
More than 500mm (below 550mm), Parallel to the flow direction lap width is not less than 100mm.
When the laying of malthoid separation layer can effectively prevent follow-up rigid course concreting, bottom waterproof roll is made
Hidden leakage defect is formed into breakage.
(10) rigid course is constructed：As shown in figure 1, before rigid protective layer concrete is poured first assembling reinforcement mesh sheet
(@150 of Φ 4 are two-way), the good protective layer cushion block of mesh sheet underlay, reinforcing bar is located at top, and the protective layer thickness on top is 9-11mm.
38-42mm thickness pea gravel concreten block placements, every piece of one-time-concreting is complete, does not stay construction joint, concrete to be paved rapidly after pouring into,
And concrete is struck off by absolute altitude datum mark, consolidated, then rolled back and forth 3-5 times by right-angled intersection direction with roller, until table
Face bleeding, is struck off surface layer with floating rule, is then compacted surface layer with wooden float, and last is put on when cement receives water all over pressure and carried out,
And by surface press polish.After cover concrete is conserved 47-50 hours, cut using cutting machine by array pitch between 4.4-4.6m
Parting, width of slit is no less than 25mm, and depth of cut is not less than 20mm, it is ensured that reinforced mesh disconnects at parting.Treat that thin concrete is done
After dry can filleting, the rubbish and impurity in seam are removed before filleting, then in the cold base oil of seam inner side brush one time, it is to be dried after with oil
Glue filleting simultaneously is compacted take out flat.
(11) gutter Retaining wall.As shown in Figure 1,5, after the completion of the rigid course construction of roofing, by gutter
Trend uses sand-lime brick masonry gutter barricade on pea gravel concreten rigid course, and interval 5m spacing arranges partitioning construction post,
Avoid masonry is long from causing cracking.Top casting concrete bears down on one, wall height degree 98-102mm higher than planting medium face.Away from row
Stayed at the high 98-102mm in ditch barricade bottom and set spilled water hole.
(12) row's (storage) water layer construction.As shown in Figure 1,5, water draining and accumulating layer is wide using 248-252mm, high 398-402mm
Lenticular plastic draining board is integrally laid, communicated drainage ditch and siphon drainge system, and entirety is determined according to roofing slope aspect before construction
Drainage direction, then lays water draining and accumulating plate to gutter perimeter.Concavo-convex plastic row water storage board is according to JGJ155-2013
《Planted roof technical regulation》It is required that using splicing processes construction up and down, Parallel to the flow direction laying, lap width is no less than
100mm, laying should be smooth, no wrinkle.Planting medium layer in top not only quickly can be oozed shed rain water and pass through draining by water draining and accumulating layer
Ditch and rain pipe discharge, it is to avoid plant plant because of excessive and rotten of water conservation.Also part can be retained in short of rain and dry hot weather
Moist kind of plant of rainwater reverse osmosis, improves kind of a plant survival rate.
(13) drainage system is constructed.As shown in figure 1, drainage system is main by gutter barricade, spilled water hole, cobble filtering bodies
Constituted with siphon rainwater head, natural drainage behind slope is looked for entirely through sloping layer.48-52cm arrangements are spaced on the barricade of gutter
Spilled water hole, places cobble filtering bodies before spilled water hole.Cobble filtering bodies are made up of steel-wire stone net parcel cobble, and integral arrangement is put down
It is whole, the protection of surface outsourcing non-woven geotextile.It is effective filtering draining that it, which is acted on, it is to avoid planting medium is lost in or blocked spilled water hole.
All roofing current are collected at siphon rainwater head eventually through gutter drains into underground or outdoor.In construction siphon rainwater head
Before, slope is looked in gutter bottom using anticracking grout, it is ensured that be that must be provided with extreme lower position, siphon rainwater head at siphon rainwater head
Complex waterproof layer, while noting safeguard measure in each techonosphere work progress, it is ensured that unimpeded.
(14) filter layer is constructed.As shown in Figure 1,5, filter layer uses 250g/ ㎡ non-woven geotextiles, and non-woven fabrics sky is laid on
On water draining and accumulating layer, smooth, no wrinkle is laid.Overlap joint is fixed using bonding or suture, and lap width is not less than 150mm.Edge
Turn over highly consistent with planting soil along along plantation retaining wall, while cobble filtering bodies are completely covered.Filter layer can be effectively to live rain
Water is filtered, and soil and debris enter water draining and accumulating layer in barrier planting medium layer, it is to avoid drainage blanket is blocked, it is ensured that total system
Draining is unobstructed.
(15) planting medium layer construction.As shown in figure 1, arranging planting medium layer according to the thickness of design requirement and material.
Dielectric material mainly select rural area soil, conditioned soil with inorganic planting soil, uniformly stacked during construction, drainage blanket must not be damaged, plant
Plant dielectric surface to require smooth and be less than surrounding barricade 98-102mm, integrally meet planting requirement.
(16) vegetable layer is constructed.As a shown in Figure 6, because roof soil layer is thin, light application time length, day and night temperature big, moisture
It is small, vegetable layer selection light, it is cold-resistant, heat-resisting, drought-enduring, vitality is vigorous, and it is shallow that fibrous root is more, horizontal well developed root system adapts to soil layer
It is thin and be easy to the plant that survives, such as shrub, potted plant, turf or plant grass planting.It is as far as possible few to use the high megaphanerophyte for having main root, such as cloud
China fir, ligustrum lucidum ait, wide yulan etc..Patent embodiment selection sedum lineare of the present invention is used as plantation vegetation with paradise grass, after overall laying,
Color is bright and beautiful vivid.
The present invention compared with prior art, with advantages below and effect：
1st, in roof structure construction, part construction crack inevitably occurs.To Tianhe Airport traffic hub room
Panel crack carries out investigation statisticses, it is found that roof cracks are distributed in different size of 17 plate regions, wherein maximum plate
The ㎡ of area 498, the ㎡ of minimal blocks area 9.5.Each plate internal fissure amounts to 115, most long fracture length 5.2m, total length of cracks
277.1m.Characteristic distributions are as follows：1) crack is both present in the structural slab constituted between primary and secondary beam or secondary beam and secondary beam, not
There are Chuan Liang cracks；2) fractue spacing plate post net spacing is not of uniform size, have 9m, 12m, 11.5m equidistantly, but wherein 90% with
On be distributed in 9m post net spacing.And it is complete and knowable to being investigated in the roof boarding for building public building for our company, generally
Post net spacing is in the range of 6-9m.
Therefore from above-mentioned FRAC, during according to traditional 6m spacing arranging exhaust air roads or division point storehouse block,
It is easy to wall scroll crackle occur across two waterproof blocks, when there is localized seepage, current understand suitable crackle from an anti-pool
Block scurries into adjacent block, increases leak stopping difficulty.And the present invention takes into full account 9m post net spacing features, with reference between the 18m of gutter
Away from the characteristics of, after the construction of 9 × 18m blocks point storehouse, construction crackle surrounding is separated by watershed line, is not only easily controlled waterproof and is applied
Working medium amount, while quick in piecemeal when there is seepage determine leak source, is accurately positioned maintenance, reduce it is unnecessary do over again,
The time is not only saved, and has saved the expense of reprocessing.
2nd, innovative watershed line point storehouse construction, using watershed line as slope control line is looked for, simple and fast of not only constructing is compared
Cumbersome ash cake floating screed not only shortens the duration, while being easy to control sloping layer construction quality.Similar Cellular Networks are formed behind point storehouse
9 × 18m frameworks of network, it can be ensured that single drain gully catchment area control runs into heavy rain class bad weather in 198-202 ㎡ or so
When be not in that local catchment area is excessive and cause roof drainage difficult and load is excessive, optimize roofing tissue draining.
3rd, roofing exhaust hoistway is improved, the drilling operating of conventional exhaust pipe is reduced using concavo-convex water storage board exhaust duct, is arranged
Gas effect is more notable, is effectively prevented roofing exhaust device coiled material cracking caused by the frost heave of water, the pressure of gas broken
It is bad, extend the service life of roofing.Overall brick exhaust apparatus is not easily blocked and damaged, it is easy to which finished product protection is also substantially improved
The in-built air-and water-permeable of roofing and the performance such as the temperature difference is big, allow its roofing constantly to adapt to the change of external environment condition.
Stretching vegetation number of tubes is significantly reduced simultaneously, and blast pit air is attractive in appearance, is easy to the later stage to carry out decorations and provide quality goods or brilliant construction, energy
Beautiful landscape is collectively constituted with roof planting thing vegetation.
4th, through investigating our company, done planted roof seepage repairment rate reaches 15% in the past, respectively appears in roofing daughter
At wall, breast board and structural slab junction, roofing plank split, at roof drainage ditch, drain gully, post-cast strip Chu Deng positions.The present invention
By crack treatment, a series of measures such as composite water-proof extra play is effectively controlled roofing hidden leakage defect point everywhere, and four roads are prevented
Water layer combination construction, substantially reduces the probability of roof ponding leak.Through field case investigation statisticses of the present invention, multiple retaining examination
It is only 0.5% to test rear roofing percolation ratio, and the more common planted roof construction method of waterproof effect is more notable, reliable.
5th, arrange that cobble and non-woven fabrics are effectively filtered to soil and debris at each draining node, prevent discharge opening
And rainwater blockage.
Therefore the present invention achieves extraordinary effect in terms of the insulation of overlarge area planted roof, heat-insulated, waterproof, greening
Really, integrated artistic is simple, easily operated, and construction quality is excellent, and ne-leakage is reprocessed in work progress, and economic and social benefit is huge
Greatly, it is worthy to be popularized.
Brief description of the drawings
Fig. 1 is the construction method profile that a kind of overlarge area planted roof is constructed.
Fig. 2 is the construction method hierarchical diagram that a kind of overlarge area planted roof is constructed.
Fig. 3 is the construction method watershed line and additional waterproof course construction drawing that a kind of overlarge area planted roof is constructed.
Fig. 4 is the construction method gas extraction system construction drawing that a kind of overlarge area planted roof is constructed.
Fig. 5 is the construction method drainage system construction drawing that a kind of overlarge area planted roof is constructed.
Fig. 6 is the construction method design sketch that a kind of overlarge area planted roof is constructed.
Wherein：1- roof construction layers, 2- complex waterproof layers, 3- insulations (heat-insulated) layer, 4- sloping layers, 5- commonly prevent
Water layer, 6- root-resistant puncturings every root waterproof layer, 7- malthoids separation layer, 8- rigid courses, 9- rows (storage) water layer, 10- filterings
Layer, 11- planting mediums layer, 12- vegetable layers, 13- concrete watershed line, 14- exhaust ducts, 15- blast pits, 16- drainings
Ditch barricade, 17- spilled water holes, 18- cobbles filtering bodies, 19- siphon rainwater heads, 20- roof waterproof extra plays.
Embodiment
Embodiment 1：
Patent of the present invention is elaborated below in conjunction with accompanying drawing.
As shown in Figure 1, 2.Whole planted roof mainly construct be divided into from bottom to top roof construction layer 1, complex waterproof layer 2,
It is incubated (heat-insulated) layer 3, sloping layer 4, common waterproof layer 5, root-resistant puncturing every root waterproof layer 6, malthoid separation layer 7, rigid course
8th, row's (storage) water layer 9, filter layer 10, plantation soil layer 11, vegetable layer 12.The attached construction of planted roof includes being used for point storehouse and a control
The concrete watershed line 13 of the gradient, exhaust duct 14, blast pit 15 for gas extraction system, the gutter barricade for drainage system
16th, spilled water hole 17, cobble filtering bodies 18, siphon rainwater head 19；Roof waterproof extra play 20.
A kind of construction method of overlarge area planted roof construction, its step is：
(1) roof construction layer is handled：Laitance on roof construction layer 1 is cleaned out with dedusting sander and dust catcher, base
Layer is smooth, firm, without phenomenon of peeling and flake, for local distress in concrete, post empiricism seam, reserved opening construction joint
V-groove (50 width × 30 are deep) must be dug into Deng position, bicomponent liquid epoxy coating containment, upper berth glass fibers are used after cleaning up
Net (seam both sides cover width is not less than 25cm) is tieed up, pointing sealing is finally carried out using uncured rubber asphalt.
(2) roofing point storehouse and extra play construction：As shown in Figure 1,3, whole roof construction layer 1 is carried out in 9 × 18m forms
Sequence placing is horizontal, vertical concrete watershed line 13, wherein horizontal watershed line looks for slope when pouring by 2%, is used as postorder sloping layer
Construction control line；First the position in point storehouse is being needed to be implanted into Φ 8 U-shaped reinforcing bar, assembled two side templates are simultaneously reinforced, and then colligation is double
The laterally elongated reinforcing bars of Φ 6 are arranged, last fixed seal head template after-pouring concrete watershed line 13 fully vibrates and conserved by regulation.
At the concrete watershed line in point storehouse, gutter and roofing junction, roofing plane and facade junction make radius 50mm circle
Arc, set 1.5mm be altogether unjustifiable the thick self-adhesive modified asphalt waterproof rolling material of curing rubber asphalt waterproofing paint and 1.5mm roof waterproof it is attached
Plus layer 20, extra play is per side width not less than 250mm.
(3) complex waterproof layer is constructed：Complex waterproof layer 2 is altogether unjustifiable curing rubber asphalt waterproofing paint and 1.5mm from 1.5mm
Thick PET self-adhesive modified asphalt waterproof rolling materials, according to reference to Beijing's provincial standard《Uncured rubber asphalt waterproof coating construction skill
Art code》(exposure draft) construction (domestic temporarily without national standard at present).Uncured asphalt waterproofing paint adds in heating tank
Then heat constructed to molten condition using knife coating.Facade, node are first applied during construction, plane is applied afterwards, and by slitting interval mode
Or retrograde manner in order.Painting, which is scraped, to be layered, point all over coating, confirm coating surface bubble-free, it is non-wrinkle, without pit, without scratch
Etc. defect.Scratch and roll paving PET self-adhesive modified asphalt waterproof rolling materials after uncured rubber asphalt waterproof coating in 3min, along flowing water
Direction paving successively, reduces coiled material short side overlap joint.Ensure that coiled material is not less than 100mm, short side overlapping the slot along current direction overlapping the slot
Stagger not less than 500mm.
(4) insulation (heat-insulated) layer construction：As shown in figure 1, insulation (heat-insulated) layer 3 uses 350 thickness XPS styrofoams, heat conduction system
Number≤0.03W/ (mK).First complex waterproof layer 2 is cleaned up before construction, then in dry-laid XPS styrofoams thereon, each plate
It should closely lay, pave, padding steady.Interplate gap, surface Ying Yuxiang closely knit using same type XPS styrofoam chip pointings
Adjacent two plates are highly consistent.Snap the line reserves exhaust duct blast pit position before paving simultaneously.
(5) roof exhaust system is constructed：As shown in Fig. 1,4, while construction heat-insulating (heat-insulated) layer 3, at 9 × 18m points
According to array pitch arranging exhaust air road 14 between 9m in storehouse, exhaust duct 14 using the wide double-deck concavo-convex drain bars of 400mm, overlying 250g/ ㎡ without
Spin geotextiles protection.The insertion in length and breadth of exhaust duct 14, and in the blast pit 15 of intersection sand-lime brick masonry and atmosphere, exhaust
The outside dimension of well 15 is 400 × 400mm, and internal diameter size is 200 × 200mm, and well headroom sets air-vent and concrete cover,
Blast pit is integrally higher by plantation soil layer 11 about 300mm.Blast pit surrounding sets up additional waterproof course to planting soil face absolute altitude, Seal Oil
Cream filleting is closely knit.
(6) sloping layer is constructed：As shown in figure 1, sloping layer 4 is poured using C25 lightweight aggregate concretes.A point water is checked before construction
Line additional waterproof course and the construction quality of heat-insulation layer 3, then uniformly sweep plain-water slurry one time, with the light bone of after-pouring on heat-insulation layer 3
Expect concrete, control the gradient in strict accordance with horizontal watershed line, overlay film is conserved after wash cement slurry press polish.
(7) common coil waterproof layer construction：As shown in figure 1, common coil waterproof layer 5 is modified drip using the thick tacks of 3mm
Blue or green waterproof roll, first cleans out the basal plane of concrete sloping layer 4 before construction, the brushing diluent (vapour in dry basic unit
Oil, diesel oil, kerosene etc.) pitch is diluted after adhesive bitument primer (Shanghai hat raise board).Uniformity, no dew are wanted during brushing
Bottom, operation is rapid, once coats, is sure not to brush repeatedly, can also use spraying method (common).Treat that basic unit's bituminous primer is done
After dry (4~12h), installation of membrane position is ejected by field condition, then by water (flow) direction successively paving, it is ensured that coiled material following current water
Direction overlapping the slot is not less than 100mm, and short side overlapping the slot is staggered not less than 500mm.
(8) root-resistant puncturing every root waterproof layer is constructed：As shown in figure 1, root-resistant puncturing every root waterproof layer 6 is compound using 4mm thickness
Copper tire base root resistant waterproof roll, its construction method is according to JGJ155-2013《Planted roof technical regulation》It is required that
Using hot melt, constructed directly in common coiled material root-resistant puncturing every root waterproof layer 6.With spray gun at away from 0.3~0.5m of coiled material
Baking entire volume coiled material is moved back and forth, after after coating fusing (temperature control is between 100~180 DEG C), is immediately rolled coiled material
Paste, and rolled with pressure roller with root-resistant puncturing every root waterproof layer 6, exclude coiled material below air, be allowed to open and flat, must not fold,
And answer roll-in to be firmly bonded.Well-controlled at overlapping the slot, malthoid is taken advantage of after spray is roasting, and (asphalt temperature temperature control exists along uncolled
Between 200 DEG C~230 DEG C), it is with trowel that banding is good immediately, roasting compacting is finally sprayed in seam crossing uniform and delicate with blowtorch again.
Notice that lap position should stagger with the lap position of upper track waterproof roll during patch, and ensure that lap width is not less than 100mm.
(9) malthoid separation layer 7 is constructed：As shown in figure 1, form of the separation layer 7 using dry-laid asphalt felt.Asphalt felt is layered on
In root-resistant puncturing every root waterproof layer 6, Parallel to the flow direction laying is smooth during laying, reduces short side overlap joint；Ensure that short side overlapping the slot is wrong
More than 500mm (below 550mm) is opened, Parallel to the flow direction lap width is not less than 100mm.
(10) rigid course is constructed：As shown in figure 1, before the concrete of rigid course 8 is poured first assembling reinforcement mesh sheet
(@150 of Φ 4 are two-way), the good protective layer cushion block of mesh sheet underlay, reinforcing bar is located at top, and the protective layer thickness on top is 10mm.40mm is thick
Pea gravel concreten block placement, every piece of one-time-concreting is complete, does not stay construction joint, concrete to be paved rapidly after pouring into, and by absolute altitude base
Concrete is struck off on schedule, consolidated, is then rolled back and forth 3 or 4 or 5 times by right-angled intersection direction with roller, until surface bleeding,
Surface layer is struck off with floating rule, then surface layer is compacted with wooden float, last is put on when cement receives water all over pressure and carried out, and by surface
Press polish.After cover concrete is conserved 48 hours, array pitch carries out cutting parting between pressing 4.5m using cutting machine, and width of slit is many
In 25mm, depth of cut is not less than 20mm, it is ensured that reinforced mesh disconnects at parting.Can filleting, filleting after thin concrete is dried
The preceding rubbish and impurity removed in seam, then in the cold base oil of seam inner side brush one time, it is to be dried after with factice filleting and be compacted take out flat.
(11) gutter Retaining wall.As shown in Figure 1,5, after the completion of the rigid course 8 of roofing is constructed, by gutter
Trend uses sand-lime brick masonry gutter barricade 16, interval 5m spacing arrangement partitioning construction on pea gravel concreten rigid course 8
Post, it is to avoid masonry is long to cause cracking.Top casting concrete bears down on one, wall height degree 100mm higher than planting medium face.Away from draining
Stayed at the high 100mm in the bottom of ditch barricade 16 and set spilled water hole 17.
(12) row's (storage) water layer construction.As shown in Figure 1,5, water draining and accumulating layer 9 uses the 250 high wide lenticular plastic rows of 400mm
Water plate is integrally laid, communicated drainage ditch and siphon drainge system, determines overall drainage direction according to roofing slope aspect before construction, then
Water draining and accumulating plate is laid to gutter perimeter.Concavo-convex plastic row water storage board is according to JGJ155-2013《Planted roof skill
Art code》It is required that using splicing processes construction up and down, Parallel to the flow direction laying, lap width is no less than 100mm, and laying should be put down
It is whole, no wrinkle.
(13) drainage system is constructed.As shown in figure 1, drainage system is main by gutter barricade 16, spilled water hole 17, cobble mistake
Filter body 18 and siphon rainwater head 19 are constituted, and natural drainage behind slope is looked for entirely through sloping layer.It is spaced on gutter barricade 16
50cm arranges spilled water hole 17, and cobble filtering bodies 18 are placed before spilled water hole 17.Cobble filtering bodies 18 wrap up ovum by steel-wire stone net
Stone is constituted, and integral arrangement is smooth, the protection of surface outsourcing non-woven geotextile.It is effective filtering draining that it, which is acted on, it is to avoid planting medium
It is lost in or blocks spilled water hole 17.All roofing current are collected at siphon rainwater head 19 eventually through gutter drains into underground or room
Outside.Before construction siphon rainwater head 19, slope is looked in gutter bottom using anticracking grout, it is ensured that be lowest order at siphon rainwater head 19
Put, complex waterproof layer 2 is must be provided with siphon rainwater head 19, while noting safeguard measure in each techonosphere work progress, really
Protect unimpeded.
(14) filter layer is constructed.As shown in Figure 1,5, filter layer 10 uses 250g/ ㎡ non-woven geotextiles, and non-woven fabrics sky is spread
On water draining and accumulating layer 9, smooth, no wrinkle is laid.Overlap joint is fixed using bonding or suture, and lap width is not less than 150mm.Side
Edge turns over highly consistent with planting soil along along plantation retaining wall, while cobble filtering bodies 18 are completely covered.
(15) planting medium layer construction.As shown in figure 1, arranging planting medium layer according to the thickness of design requirement and material
11.Dielectric material mainly select rural area soil, conditioned soil with inorganic planting soil, uniformly stacked during construction, drainage blanket must not be damaged,
Planting medium surface requirements are smooth and less than surrounding barricade 100mm, integrally meet planting requirement.
(16) vegetable layer is constructed.As a shown in Figure 6, because roof soil layer is thin, light application time length, day and night temperature big, moisture
It is small, vegetable layer 12 selection light, it is cold-resistant, heat-resisting, drought-enduring, vitality is vigorous, and fibrous root is more, horizontal well developed root system adapts to soil layer
It is shallow and be easy to the plant that survives, such as shrub, potted plant, turf or plant grass planting.It is as far as possible few to use the high megaphanerophyte for having main root, such as
Dragon spruce, ligustrum lucidum ait, wide yulan etc..Patent embodiment selection sedum lineare of the present invention is used as plantation vegetation with paradise grass.
After roof waterproof layer and rigid course have been constructed, note the protection to waterproofing node, forbid in roof waterproof layer
It is upper punching and weight hit, must not be intended on waterproof layer stack debris or increase building structure；After rain drain gully Pipe installing
Close in time and to pipe-dredging, periodic cleaning gutter debris, it is ensured that roof drainage system is unobstructed.Simultaneously in planting medium and
When vegetation is constructed, carry out roofing and face side safeguard procedures, surrounding carries out the protection of instrument railing enclosing.
The present invention constructs from the control of overlarge area planted roof sloping layer, subregional organization's draining, water proof structure, blast pit
Road arrange and set out in terms of Afforestation Landscape harmony, sufficiently discuss in detail roof construction layer to each waterproof of vegetation interlayer,
The level construction technology such as insulation, draining.Four road waterproof measures, substantially reduce the probability of roof ponding leak；Innovative point
The construction of waterline point storehouse, makes roofing functional in organized water drainage, when there is seepage, current will not run helter-skelter, and be easy to while slope is conveniently looked for
Determine leak source and later stage maintenance；Improve roofing exhaust hoistway, be effectively prevented roofing exhaust device because of the frost heave of water, gas
Coiled material cracking destruction caused by pressure, the exhaust effect compared to conventional exhaust hole is more notable, extends the service life of roofing；
Arrange that cobble and non-woven fabrics are effectively filtered to soil and debris, prevent discharge opening and rainwater pipe plug at each draining node
Plug.Extraordinary effect, integrated artistic letter are achieved in terms of the insulation of overlarge area planted roof, heat-insulated, waterproof, greening
Single, easily operated, construction quality is excellent, and economic and social benefit is huge, is worthy to be popularized.
Claims (1)
1. a kind of construction method of overlarge area planted roof construction, its step is：
（1）Roof construction layer processing：Laitance on roof construction layer is cleared up with dedusting sander and dust catcher, basic unit is smooth,
Firmly, without phenomenon of peeling and flake, it must be dug for local distress in concrete, post empiricism seam, reserved opening construction joint position
Into V-groove, bicomponent liquid epoxy coating containment is used after cleaning, upper berth glass fiber mesh is finally dripped using uncured rubber
Green grass or young crops carries out pointing sealing；
（2）Roofing point storehouse and extra play construction：Whole roof construction layer is subjected to sequence placing transverse direction, longitudinal coagulation with 9 × 18m
Native watershed line, wherein horizontal watershed line looks for slope when pouring by 2%, it is postorder sloping layer Construction control line；Gutter joins with roofing
Radius 50mm circular arc is made in place, roofing plane and facade junction, and sets 1.5mm to be altogether unjustifiable curing rubber asphalt waterproofing paint
With the composite roof additional waterproof course of the thick self-adhesive modified asphalt waterproof rolling materials of 1.5mm, extra play is not less than 250mm per side width；
（3）Complex waterproof layer is constructed：Complex waterproof layer is altogether unjustifiable curing rubber asphalt waterproofing paint and 1.5mm thickness PET from 1.5mm
Self-adhesive modified asphalt waterproof rolling material, uncured asphalt waterproofing paint is heated to melting in heating tank, is then applied using knife coating
Work, first applies facade, node during construction, plane is applied afterwards, and falls back by slitting interval mode or in order, painting scrape should be layered, point time
Coating, confirm coating surface bubble-free, it is non-wrinkle, without pit, without scratch, scratch 3min after uncured rubber asphalt waterproof coating
Interior rolling paving PET self-adhesive modified asphalt waterproof rolling materials, along current direction successively paving, reduce coiled material short side overlap joint, coiled material following current
The overlapping the slot of water direction is not less than 100mm, and short side overlapping the slot is staggered not less than 500mm；
（4）Heat-insulation layer is constructed：Heat-insulation layer uses 350 thickness XPS styrofoams, first cleans complex waterproof layer before construction, then at it
Upper dry-laid XPS styrofoams, each plate is closely laid, paved, padding steady, interplate gap, using same type XPS styrofoam chips
Pointing is closely knit, and surface should be highly consistent with adjacent two plate, while snap the line reserves exhaust duct blast pit position before paving；
（5）Roof exhaust system is constructed：While construction heat-insulating layer, according to array pitch arranging exhaust air between 9m in 9 × 18m points of storehouses
Road, exhaust duct is using the wide double-deck concavo-convex drain bars of 400mm, overlying 250g/ ㎡ non-woven geotextiles, exhaust duct insertion in length and breadth, and
Intersection sand-lime brick masonry and the blast pit of atmosphere, blast pit outside dimension are 400 × 400mm, and internal diameter size is 200
× 200mm, well headroom sets air-vent and concrete cover, and blast pit is integrally higher by plantation soil layer 300mm, blast pit surrounding
Set up additional waterproof course to planting soil face to mark, sealing cement filleting is closely knit；
（6）Sloping layer is constructed：Sloping layer is poured using C25 lightweight aggregate concretes, construction before check watershed line additional waterproof course and
Heat-insulation layer is constructed, and uniformly plain-water slurry is swept one time on heat-insulation layer, with after-pouring lightweight aggregate concrete, according to horizontal watershed line control
The gradient processed, overlay film is conserved after wash cement slurry press polish；
（7）Coil waterproof layer is constructed：Coil waterproof layer, first will be mixed before construction using the thick tack modified asphalt waterproof coiled materials of 3mm
Solidifying soil sloping layer basal plane cleaning, the adhesive bitument primer after brushing is diluted with diluent to pitch in dry basic unit is brushed
Uniformity, without show-through, is once coated, after basic unit's bituminous primer is dried, and ejects installation of membrane position by field condition, so
Water (flow) direction paving successively is pressed afterwards, and coiled material is not less than 100mm along current direction overlapping the slot, and short side overlapping the slot, which is staggered, to be not less than
500mm；
（8）Root-resistant puncturing every root waterproof layer is constructed：Root-resistant puncturing every root waterproof layer is prevented using the thick complex copper tire base root-resistant puncturings of 4mm
Water, constructs directly in coiled material root-resistant puncturing every root waterproof layer, moves back and forth baking at away from 0.3 ~ 0.5m of coiled material with spray gun whole
Roll up coiled material, coating fusing：After temperature control is between 100~180 DEG C, coiled material is rolled and glued with root-resistant puncturing every root waterproof layer
Patch, and rolled with pressure roller, the air below coiled material is excluded, open and flat, roll-in is firmly bonded, operated at overlapping the slot, oil is taken advantage of after spray is roasting
Felt is along uncolled：Asphalt temperature temperature control is good by banding with trowel between 200 DEG C ~ 230 DEG C, is finally being connect again with blowtorch
Roasting compacting is sprayed to uniform and delicate at seam, the lap position of lap position and upper track waterproof roll staggers during patch, and lap width is not small
In 100mm；
（9）Malthoid separation layer is constructed：Separation layer uses dry-laid asphalt felt, and asphalt felt is layered in root-resistant puncturing every root waterproof layer,
Parallel to the flow direction laying is smooth during laying, reduces short side overlap joint；Short side overlapping the slot is staggered 500mm, and short side overlapping the slot is staggered 600mm
Hereinafter, Parallel to the flow direction lap width is not less than 100mm；
（10）Rigid course is constructed：First assembling reinforcement mesh sheet, mesh sheet pad protective layer pad before rigid protective layer concrete is poured
Block, reinforcing bar is located at top, and the protective layer thickness on top is 10mm, 40mm thickness pea gravel concreten block placements, every piece of one-time-concreting
It is complete, do not stay construction joint, concrete to be paved rapidly after pouring into, concrete is struck off by datum mark, consolidated, then press cross with roller
It is crisscross to roll back and forth, until surface bleeding, surface layer is struck off, be then compacted surface layer with wooden float with floating rule, last
It is put on when cement receives water and carries out all over pressure, and by surface press polish, after cover concrete is conserved 48 hours, 4.5m is pressed using cutting machine
Between array pitch carry out cutting parting, width of slit be no less than 25mm, depth of cut be not less than 20mm, reinforced mesh at parting break
Open, after filleting after the drying of thin concrete, the rubbish and impurity in seam removed before filleting, in the cold base oil of seam inner side brush one time, it is to be dried after
With factice filleting and be compacted take out flat；
（11）Gutter Retaining wall：After the completion of the rigid course construction of roofing, by the trend in gutter in pea gravel concreten
Sand-lime brick masonry gutter barricade is used on rigid course, top casting concrete bears down on one, and wall height degree is higher than planting medium face
100mm, spilled water hole is set away from being stayed at the high 100mm in gutter barricade bottom, before spilled water hole place cobble filtering bodies, cobble filtering bodies by
Steel-wire stone net parcel cobble is constituted, and outsourcing non-woven geotextile in surface filters draining；
（12）Water draining and accumulating layer construction：Water draining and accumulating layer is integrally laid using the 250 high wide lenticular plastic draining boards of 400mm, connection row
Ditch and siphon drainge system, determine overall drainage direction according to roofing slope aspect before construction, then lay water draining and accumulating plate to row
Ditch edge or water Luo Kou peripheries, concavo-convex plastic row water storage board are constructed according to splicing processes, Parallel to the flow direction laying, and lap width is not
100mm is should be less than, laying should be smooth, no wrinkle；
（13）Drainage system is constructed：Drainage system is by gutter barricade, spilled water hole, cobble filtering bodies and siphon rainwater head institute group
Into, entirely through sloping layer look on natural drainage behind slope, gutter barricade be spaced 50cm arrangement spilled water hole, before spilled water hole place
Cobble filtering bodies, cobble filtering bodies are made up of steel-wire stone net parcel cobble, and integral arrangement is smooth, surface outsourcing non-woven geotextile
Protection, all roofing current are collected at siphon rainwater head eventually through gutter drains into underground or outdoor, in construction siphon rain
Before bucket, slope is looked in gutter bottom using anticracking grout, it is ensured that be to be set at extreme lower position, siphon rainwater head at siphon rainwater head
Complex waterproof layer；
（14）Filter layer is constructed：Filter layer uses 250g/ ㎡ non-woven geotextiles, non-woven fabrics sky is laid on water draining and accumulating layer, paving
If smooth, no wrinkle, overlap joint is fixed using bonding or suture, and lap width is not less than 150mm, and edge is turned over along along plantation retaining wall
It is highly consistent with planting soil, while cobble filtering bodies are completely covered；
（15）Planting medium layer construction：According to the thickness of design and material arrangement planting medium layer, dielectric material, plant during construction
It is uniform to stack, drainage blanket must not be damaged, planting medium surfacing is less than surrounding barricade 100mm；
（16）Vegetable layer is constructed：Roof soil layer is thin, light application time length, day and night temperature are big, moisture is small, vegetable layer selection light, resistance to
Cold, heat-resisting, drought-enduring, vitality is vigorous, and fibrous root is more, horizontal well developed root system plant：Shrub, potted plant, turf plant grass planting.
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