CN203188498U

CN203188498U - Planted roof drainage structure

Info

Publication number: CN203188498U
Application number: CN201320226899XU
Authority: CN
Inventors: 郑文星
Original assignee: Shenzhen General Institute of Architectural Design and Research Co Ltd
Current assignee: Shenzhen General Institute of Architectural Design and Research Co Ltd
Priority date: 2013-04-28
Filing date: 2013-04-28
Publication date: 2013-09-11
Anticipated expiration: 2023-04-28

Abstract

The utility model relates to a building roof structure, in particular to a planted roof drainage structure. The planted roof drainage structure comprises a roof structural layer, a planted soil layer, a drainage port, a roof drain and drainage pipes, wherein the planted soil layer is directly or indirectly arranged on the roof structural layer, the drainage port is arranged in the planted soil layer, the roof drain is connected to the bottom of the drainage port and is embedded in the roof structural layer, the drainage pipes enable the planted soil layer to be communicated with the drainage port to discharge infiltration rainwater in the planted soil layer to the drainage port, and the drainage port is defined by a well wall arranged on the roof structural layer. The planted roof drainage structure can collect overland flow of a planted roof and the infiltration rainwater of planted soil of the planted roof and discharge the overland flow through the same roof drain, therefore, the number of roof drains is reduced, engineering manufacturing cost is saved, and the probability of roof water leakage is reduced.

Description

A kind of planted roof discharge structure

Technical field

The utility model relates to the building roof structure, specifically is a kind of discharge structure that is arranged at planted roof.

Background technology

At present, the planted roof draining mainly is to combine to carry out draining by dual mode, the one, and planted roof overland flow rainwater is looked for aspect roof surface layer roof drain or rain rill through building, establishes roof drain in the rain rill again, and rainwater is got rid of after roof drain is collected; The 2nd, ooze under the planted roof planting soil rainwater through band drain or draining antipriming pipe seepage flow to being located at the rainwater covered conduit on the roof structure plate under the planting soil, be provided with roof drain in the rainwater covered conduit, ooze rainwater down and get rid of finally by roof drain.

There is following problem in above-mentioned planted roof rain-water drainage mode: (1) overland flow rainwater with under ooze rainwater respectively through the discharging of different roof drains, increase roof drain and passed through roof panel quantity, increase construction costs, particularly increased the risk of passing through roof panel place roof leakage.(2) be located at the roof drain of roof surface layer because the roof kind has flowers and plants, trees, can carry the obstruction that dead twigs and withered leaves and silt etc. easily cause roof drain in the rainfall runoff of surface, special when roof drain adopts the siphon roof drain, because siphon roof drain grid spacing is little, the easier obstruction of this kind roof drain.(3) roof drain of being located under the planting soil belongs to concealed installation, is not easy to maintenance, mediation.

Summary of the invention

The technical problem that the utility model solves provides a kind of planted roof discharge structure, makes its quantity that not only can reduce the rain water on roof bucket, reduces the risk of construction costs and roof leakage.

For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of planted roof discharge structure, it comprises roof construction layer, directly or indirectly be arranged at the plantation soil layer on the described roof construction layer, be arranged on the outfall in the described plantation soil layer, be connected in described outfall bottom and be embedded at roof drain in the described roof construction layer, and be communicated with described plantation soil layer and described outfall and enter gutter in the described outfall in order to following in the described plantation soil layer oozed rainwater, wherein said outfall is surrounded by the borehole wall that is arranged on the described roof construction layer.

One of improve: described planted roof discharge structure also comprises the pvd layer that is arranged on described plantation soil layer bottom, described tube connector is communicated between described pvd layer and the described outfall, enters in the described outfall with the rainwater that will infilter described pvd layer down.

Two of improvement: described planted roof discharge structure also comprises sloping layer and the waterproofing course that is arranged on from bottom to up between described pvd layer and the described roof construction layer.

Three of improvement: described planted roof discharge structure also comprises insulation layer and the topping that is arranged on from bottom to up between described waterproofing course and the described pvd layer.

Four of improvement: also be provided with filtration beds between described plantation soil layer and the described pvd layer, by the earth that plantation is oozed under the soil layer pvd layer permeability performance exerted an influence preventing.

Five of improvement: described filtration beds is geotextiles, and described geotextile laying also extends the outside wall surface of the described borehole wall of parcel on described pvd layer.

Six of improvement: be equipped with grating stone on the geotextiles of described borehole wall periphery, described grating stone is fixed described geotextiles pressure holding.

Seven of improvement: described pvd layer adopts the concavo-convex band drain of plastics, plastic sandwich plate, drainage board, drainage protection board, water filter plate or plastic drain.The described borehole wall adopts concrete or brickwork.Described borehole wall inner surface is coated with screed, and described slurry layer adopts the 1:2:4 polymer cement mortar.

Eight of improvement: the entrance of described outfall also is provided with the rainwater castor, and described rainwater castor surface is lower than described planting soil laminar surface or concordant with described planting soil laminar surface.The rainwater castor can be isolated dead leaf, soil or other solid waste and be prevented from stopping up outfall, overhauls and dredges after simultaneously can also making things convenient for outfall blocked.

Nine of improvement: described planted roof discharge structure also comprises the walling crib that is embedded at described borehole wall entrance, and described rainwater castor props up to be located on the described walling crib, described borehole wall edge is damaged when preventing gland rainwater castor.

Ten of improvement: described walling crib comprises a back-up ring of being located at described borehole wall entrance end face, and this back-up ring edge extends and be close to the inner ring of described borehole wall internal face downwards certainly, and described rainwater castor props up to be located on the described back-up ring.In one embodiment, described geotextiles extends to the outer edge of the described back-up ring of described borehole wall entrance end face along the outside wall surface of the described borehole wall from the bottom of planting soil layer.

11 of improvement: also be embedded with the support member of the described walling crib of support reinforcing in the described borehole wall, described support member is obliquely installed, and wherein the junction of back-up ring and the described inner ring of described walling crib is located on end top.Described support member can adopt round steel.

Compared with prior art, the beneficial effect of technical scheme that the utility model adopts is as follows: the surface flow that planting soil laminar surface of the present utility model forms flows into outfall from the top of outfall, flow into the rain-water drainage mouth through the rainwater castor, the following rainwater that oozes of plantation soil layer then enters pvd layer, enter outfall by gutter from the sidewall of outfall then, surface flow and under ooze rainwater and enter outfall after, drain into the rain-water drainage pipe network by roof drain.The utility model can rainwater compiles and pass through same roof drain discharging with oozing under planted roof overland flow and the roof planting soil, thereby reduces roof drain quantity, saves construction costs, has reduced the roof leakage probability.

Description of drawings

Fig. 1 is the structural representation of the planted roof discharge structure of embodiment.

Fig. 2 is the A part enlarged diagram of Fig. 1.

Fig. 3 is the B part enlarged diagram of Fig. 1.

In the accompanying drawing: planted roof discharge structure 10, roof construction layer 11, sloping layer 12, waterproofing course 13, insulation layer 14, topping 15, pvd layer 16, filtration beds 17, plantation soil layer 18, outfall 20, rainwater castor 21, the borehole wall 22, borehole wall screed 23, grating stone 24, gutter 25, walling crib 26, back-up ring 261, inner ring 262, support member 27, roof drain 30.

The specific embodiment

In the utility model, term " on ", D score, " left side ", " right side ", " preceding ", " back ", " top ", " end ", " interior ", " outward ", " in ", close the orientation of indications such as " vertically ", " level ", " laterally ", " vertically " or position is based on orientation shown in the drawings or position relation.These terms mainly are in order to describe the utility model and embodiment better, to be not must have particular orientation for limiting indicated device, element or ingredient, or to construct and operate with particular orientation.

And above-mentioned part term also may be used for other implications of expression except can being used for expression orientation or position relation, for example term " on " also may be used for certain relations of dependence of expression or annexation in some cases.For those of ordinary skills, can understand the concrete implication of these terms in the utility model as the case may be.

In addition, term " installation ", " setting ", " being provided with ", " connection ", " linking to each other " should be done broad understanding.For example, can be fixedly connected, removably connect, or monolithic construction; Can be mechanical connection, or be electrically connected; Can be directly to link to each other, or link to each other indirectly by intermediary, or be connection inner between two devices, element or the ingredients.For those of ordinary skills, can understand the concrete implication of above-mentioned term in the utility model as the case may be.

In addition, term " first ", " second " etc. mainly are different for distinguishing the identical also possibility with the structure possibility of the concrete kind of different device, element or ingredient), be not be used to the relative importance and the quantity that show or hint indicated device, element or ingredient.Except as otherwise noted, the implication of " a plurality of " is two or more.

Below in conjunction with embodiment and accompanying drawing the technical solution of the utility model is further described.

As shown in Figures 1 to 3, the planted roof discharge structure 10 of present embodiment comprises roof construction layer 11, is arranged on pvd layer 16 on the roof construction layer 11, is arranged on the plantation soil layer 18 on the described pvd layer 16.Wherein, the outfall 20 in the described plantation soil layer 18, the bottom of outfall 20 is provided with roof drain 30, and this roof drain 30 is embedded in the described roof construction layer.Pvd layer 16 herein can be laid immediately on the roof construction layer 11, also on the roof construction layer 11 one or more layers functional layer is set now, and then pvd layer 16 is laid on the roof construction layer 11 indirectly.Plantation soil layer 18 situations are similar, also can directly or indirectly be laid on the pvd layer 16.

The outfall 20 of present embodiment is arranged on the described roof structure 11 by (directly or indirectly), and vertical (also can tilt) borehole wall 22 in described roof construction layer 11 surfaces surrounds and forms.Before laying plantation soil layer 18, the described borehole wall 22 that forms described outfall 20 protrudes from the surface of roof construction layer, is the hollow cylinder shape.The described borehole wall 22 can adopt shapes such as hollow cylinder or hollow polygon prism, as long as the borehole wall 22 can form the cavity that is isolated from the plantation soil layer, make the runoff rainwater of planting soil layer 18 surfaces to enter the borehole wall 22 internal cavities from the opening (being the entrance of outfall 20) of the borehole wall 22 tops and get final product that the rainwater that enters the borehole wall 22 internal cavities (namely entering in the outfall 20) subsequently will be discharged by the roof drain 30 of the borehole wall 22 bottoms (being outfall 20 bottoms).For the runoff rainwater that makes plantation soil layer 18 surfaces can flow to outfall 20 and prevent that outfall 20 from being stopped up by silt, the inlet surface of the plantation surface of soil layer 18 and outfall 20 should roughly maintain an equal level and prevent that the high concentration of sediment foreign material from blocking the last end entrance of outfall 20, in addition, the inlet surface of aspect outfall 20 is also answered on the surface of plantation soil layer 18.

For the rainwater that the plantation soil layer that pvd layer 16 is collected oozes for 18 times can be discharged through described outfall 20, also need to arrange one or more gutter that passes the described borehole wall 22 25, this gutter 25 is communicated with the internal cavities of described pvd layer 16 and outfall 20.Because the pvd layer 16 of present embodiment is roughly corresponding to the periphery bottom of the described borehole wall 22, so the gutter 25 of present embodiment also correspondingly is arranged on the bottom of the described borehole wall 22.The mid portion of described gutter 25 passes in the wall of the described borehole wall 22, and an end is communicated with the space of described pvd layer, and the other end is communicated with the internal cavities of the described borehole wall 22.The rainwater that described pvd layer 16 is collected enters described outfall 20 by this gutter 25, discharges finally by the roof drain 30 of outfall 20 bottoms.Same, can the described outfall 20 of automatic stream in order to make the rainwater in the pvd layer 16, the described outfall 20 of aspect is answered on the surface of described pvd layer 16.

The planted roof discharge structure 10 of present embodiment can be with overland flow rainwater and following rainwater same roof drain 30 discharges of process respectively of oozing to pvd layer of plantation soil layer 18 in a word, thereby reduce the quantity of roof drain, when saving construction costs, also can reduce the risk of leaking of roofing.And the roof drain 30 of present embodiment belongs to " bright dress ", and the maintainer can identify and seek out the position of roof drain 30 easily by outfall 20, and roof drain 30 is overhauled and safeguards.

As depicted in figs. 1 and 2, the planted roof discharge structure 10 of present embodiment can be set up one or more layers the functional layer of function separately that has according to actual needs between pvd layer 16 and roof construction layer 11.For example can between pvd layer 16 and roof construction layer 11, be disposed with sloping layer 12, waterproofing course 13 from bottom to top, the described outfall 20 of sloping layer 12 aspects wherein, described waterproofing course 13 thickness are evenly and be parallel to the surface of sloping layer 12.Waterproofing course 13 extends to the periphery of described roof drain, and the end that described tube connector 25 is communicated with the borehole wall 22 internal cavities should be higher than the plane of inlet of described roof drain 30.Described sloping layer 12 can make and each layer structure on it comprise that described waterproofing course 13, described pvd layer 16 etc. are consistent with the aspect of sloping layer 12, and convenient construction also guarantees the accuracy of construction.

In addition, can also further between described waterproofing course 13 and described pvd layer 16, set up insulation layer 14 and topping 15 from bottom to top successively.At this moment, the described borehole wall 22 can be arranged on the edge of the reservation outfall position (being the position of embedded roof drain) on the described topping 15, also can be set directly on the described waterproofing course 13, perhaps is set directly on the described roof construction layer 11.

For the hydrophobic function of protection pvd layer with prevent the planting soil soil erosion; in the present embodiment; also be provided with filtration beds 17 between plantation soil layer 18 and the pvd layer 16, described filtration beds 17 is used for preventing that the earth by the plantation soil layer oozes for 18 times from exerting an influence to pvd layer 16 permeability performances.The filtration beds 17 of present embodiment adopts geotextiles.Geotextiles claims geotextile again, and it is the water permeability geosynthetics that is formed by acupuncture or braiding by synthetic fibers.Finished product is the cloth shape, and general width is 4-6 rice, and length is 50-100 rice.Geotextiles is divided into spins geotextiles and non-woven geotextile.Geotextiles has outstanding filtration, draining, isolation, reinforcement, antiseepage, protective action, have in light weight, tensile strength is high, good penetrability, high temperature resistant, anti-freezing, ageing-resistant, corrosion-resistant.Wherein, as the antiseepage base material, with the non-woven fabric compounded geotechnological impervious material that forms, its barrier performance depends primarily on the barrier performance of plastic sheeting to the antiseepage geotextiles with plastic sheeting.At present, the antiseepage geotextiles of using always both at home and abroad mainly contains polyvinyl chloride geotextiles geotechnique and polyethylene geotextiles.

As shown in figures 1 and 3, the entrance of described outfall 20 also is provided with rainwater castor 21, and described rainwater castor 21 adopts cast iron or plastics castor.Described rainwater castor 21 surfaces are lower than described plantation soil layer 18 surfaces or concordant with described plantation soil layer 18 surfaces.The described borehole wall 22 top are damaged when preventing gland rainwater castor 21, present embodiment is embedded a walling crib 26 in the described borehole wall 22 entrance, and 21 of described rainwater castors are located on the described walling crib 26.Described walling crib 26 comprises a back-up ring 261 of being located at the described borehole wall 22 entrance end faces, and this back-up ring edge extends and be close to the inner ring 262 of the described borehole wall 22 internal faces downwards certainly, and 21 of described rainwater castors are located on the described back-up ring 261.In the present embodiment, described geotextiles extends to the outer edge of the described back-up ring 262 of the described borehole wall 22 entrance end faces along the outside wall surface of the described borehole wall 22 from the bottom of planting soil layer.In addition, also be embedded with the support member 27 of the described walling crib 22 of support reinforcing in the described borehole wall 22, described support member is obliquely installed, and wherein the junction of back-up ring 261 with the described inner ring 262 of described walling crib 22 is located on end top.Described support member can adopt round steel.

As shown in Figure 1 to Figure 3, described geotextile laying is on described band drain and extend the outside wall surface of wrapping up the described borehole wall 22, and geotextiles extends upwardly to rainwater castor 21 edges at its top from the lateral surface bottom of the described borehole wall 22.Because the borehole wall 22 is arranged in the plantation soil layer 18, for isolate and protect the planting soil of plantation soil layer 18 comprehensively, geotextiles is extended the outside of the wrapped row mouth of a river 20 boreholes wall 22 in the present embodiment.Be equivalent on the effect with geotextiles planting soil " be caught ".The described borehole wall 22 adopts concrete or brickwork.The described borehole wall 22 inner surfaces are coated with screed, and described screed adopts the 1:2:4 polymer cement mortar.

As depicted in figs. 1 and 2, also be provided with grating stone 24 on the geotextiles bottom the described borehole wall 22 peripheries.Grating stone 24 can be pushed down the fixedly geotextiles of the borehole wall 22 peripheries bottom on the one hand, grating stone 24 can ooze rainwater to plantation soil layer 18 following and carries out earlier after the first order filters on the other hand, the geotextiles that flows to grating stone place is again carried out second level filtration, reduce the silting of gutter entrance geotextiles, and can reduce the solid particulate matter content such as silt that flow into gutter 25 from this geotextiles, prevent that gutter 25 from stopping up.In the present embodiment, the specification of grating stone 24 is the 150x150 millimeter.

The described pvd layer 16 of present embodiment can adopt the concavo-convex band drain of plastics, plastic sandwich plate, drainage board, drainage protection board, water filter plate or plastic drain.Topping 15 adopts pea gravel concreten material, aluminium foil surface asphalt felt or polyvinyl chloride sheet to make, and is used for the effect that prevents that sandstone, soil, water in the pvd layer 16 from entering insulation layer and insulation layer is caused damage and prevents the outside destroy insulation layer for fixing protection.Insulation layer 14 adopts the lightweight bulk material to make.In the present embodiment, insulation layer 14 adopts EPS polyphenyl plate or XPS extruded sheet to make, and thickness when planting soil layer 18 greater than 800mm, also can not established insulation layer 14 according to plantation soil layer 18 thickness and the setting of actual use needs.Waterproofing course 13 adopts SBS or polyurethane waterproof material to make, and is used for preventing from down oozing rainwater and irrigation water etc. and enters roof construction layer 11.Waterproofing course 13 also can adopt the pea gravel concreten of 50 millimeters thick to make, and adds micro-expanding agent, water reducing agent and waterproof agent in the described pea gravel concreten.Sloping layer 12 have a certain slope, be convenient to drain the water away rapidly.The gradient of sloping layer 12 is 1%-3% in the present embodiment.

In the present embodiment, roof construction layer 11 adopts armored concrete slab.The internal diameter of described outfall 20 is 500mm, the thickness of the described borehole wall 22 is 100mm, sand finish thickness on the described borehole wall 22 internal faces is 10mm, the internal diameter of described roof drain 30 entrance of described outfall 20 bottoms is 300mm, the external diameter of described rainwater castor 21 is 590mm, and the spacing that leaves 10mm between described rainwater castor 21 peripheries and the described plantation soil layer 18.Described roof drain 30 adopts 87 type roof drains 30 or siphon roof drain 30.Described rain-water drainage pipe 25 is adopted as Φ 60x3 UPVC gutter 25.

The surface flow that present embodiment plantation soil layer 18 surfaces form, rely on surface slope to flow to rainwater castor 21, flow into rain-water drainage mouth 20 through rainwater castor 21, and the following rainwater that infilters in the planting soil, ooze down to pvd layer 16 and the slope current that relies on pvd layer 16 to gutter 25, in gutter 25 outfall 20, enter the surface flow of outfall 20 at last and ooze down rainwater and drain into indoor rain-water drainage pipe network by the roof drain 30 of outfall 20 bottoms.Be that present embodiment can and ooze down rainwater with the overland flow of plantation soil layer 18 and is collected to same roof drain discharging, significantly reduce the quantity of roof drain, save construction costs, the while can also reduce roofing because the risk of leaking that a large amount of roof drains cause is set.

Claims

1. planted roof discharge structure, it is characterized in that: comprise roof construction layer (11), directly or indirectly be arranged at the plantation soil layer (18) on the described roof construction layer (11), be arranged on the outfall (20) in the described plantation soil layer, be connected in described outfall (20) bottom and be embedded at roof drain (30) in the described roof construction layer (11), and be communicated with described plantation soil layer (18) and described outfall (20) and enter gutter (25) in the described outfall (20) in order to following in the described plantation soil layer (18) oozed rainwater, wherein said outfall (20) is surrounded by the borehole wall (22) that is arranged on the described roof construction layer (11).

2. planted roof discharge structure according to claim 1, it is characterized in that: described planted roof discharge structure also comprises the pvd layer (16) that is arranged on described plantation soil layer (18) bottom, described tube connector (25) is communicated between described pvd layer (16) and the described outfall (20), enters in the described outfall (20) with the rainwater that will infilter described pvd layer (16) down.

3. planted roof discharge structure according to claim 2, it is characterized in that: described planted roof discharge structure also comprises sloping layer (12) and the waterproofing course (13) that is arranged on from bottom to up between described pvd layer (16) and the described roof construction layer (11), the described outfall of described sloping layer (12) aspect (20).

4. planted roof discharge structure according to claim 3; it is characterized in that described planted roof discharge structure also comprises insulation layer (14) and the topping (15) that is arranged on from bottom to up between described waterproofing course (13) and the described pvd layer (16).

5. planted roof discharge structure according to claim 2, it is characterized in that: also be provided with filtration beds (17) between described plantation soil layer (18) and the described pvd layer (16), by the earth that oozes under plantation soil layer (18) pvd layer (16) permeability performance exerted an influence preventing.

6. planted roof discharge structure according to claim 5 is characterized in that: described filtration beds (17) is geotextiles, and described geotextile laying goes up and extend the outside wall surface of the described borehole wall of parcel (22) at described pvd layer (16).

7. planted roof discharge structure according to claim 6, it is characterized in that: be equipped with grating stone (24) on the geotextiles of the described borehole wall (22) periphery, described grating stone (24) is fixed described geotextiles pressure holding.

8. according to each described planted roof discharge structure of claim 2 to 7; it is characterized in that: described pvd layer (16) adopts the concavo-convex band drain of plastics, plastic sandwich plate, drainage board, drainage protection board, water filter plate or plastic drain; the described borehole wall (22) adopts concrete or brickwork; the described borehole wall (22) inner surface is coated with screed (23), and described slurry layer (23) adopts the 1:2:4 polymer cement mortar.

9. according to each described planted roof discharge structure of claim 2 to 7, it is characterized in that: the entrance of described outfall (20) also is provided with rainwater castor (21), and described rainwater castor (21) surface is lower than described plantation soil layer (18) surface or concordant with described plantation soil layer (18) surface.

10. planted roof discharge structure according to claim 9, it is characterized in that: described planted roof discharge structure also comprises the walling crib (26) that is embedded at the described borehole wall (22) entrance, described rainwater castor (21) is located on the described walling crib (26), the described borehole wall (22) edge is damaged when preventing gland rainwater castor (21).