CN202577790U

CN202577790U - Roof greening structure

Info

Publication number: CN202577790U
Application number: CN201220068205XU
Authority: CN
Inventors: 陈卫连; 姚锁平; 苏青峰; 仲童强
Original assignee: JIANGSU SHANSHUI CONSTRUCTION GROUP CO Ltd
Current assignee: Jiangsu Shanshui Environment Construction Group Co., Ltd.
Priority date: 2012-02-28
Filing date: 2012-02-28
Publication date: 2012-12-05
Anticipated expiration: 2022-02-28

Abstract

The utility model discloses a roof greening structure. The greening structure comprises a roof base layer, and a waterproof layer, a protecting layer, a draining layer, a substrate layer and a planting layer which are sequentially arranged on the roof base layer, wherein a root separating layer is arranged between the protecting layer and the draining layer, and a soil separating layer is arranged between the draining layer and the substrate layer. According to the roof greening structure disclosed by the utility model, a PVC (polyvinyl chloride) shaping hydrophobic plate serves as the root separating layer and can prevent root systems of plants from damaging the waterproof layer; and nonwoven cloth or geotextile is paved on the draining layer to serve as the soil separating layer and can prevent the loss of planting soil and organic mediums.

Description

A kind of roof afforestation structure

Technical field

The utility model relates to a kind of roof structure, particularly relates to a kind of roof afforestation structure that is used for building field.

Background technology

The roof is called the 5th facade of building, is the important element of decision building profile.Roof greening is as the main type of vertical greening, from nineteen fifty-nine since the U.S. promotes, demonstrated vitality.Roof greening can increase the urban green space area, improves the environment for human survival space; Improving the city high rise building mansion with natural landscape architecture view stands in great numbers; The urban heat land effect of improving various exhaust emissions and forming; Open up human green space, build the garden city, improve the people's habitat condition, improve the quality of living, and to beautifying urban environment, improving ecological effect has extremely important meaning.The new concept of environmental protection at present, energy saving building has been contained the complete vertical planting view that roof greening, body of wall greening, balcony greening and ground greening combine, and roof greening will become the green scenery together of urban architecture.

The loading that planted roof need be guaranteed to build the roof garden and increases is no more than the weight capacity of building structure, and roof covering water-proof structure can be used safely.Satisfy roofing non-leakage with satisfy the function of use in house in, to guarantee that also plant has good growing environment, and require roofing can water conservation with get rid of unnecessary ponding smoothly, reduce roofing and sluice, extenuate the pressure of urban sewerage and drainage system.But most of planted roofs of the prior art have satisfied not actual needs, and waterproofing course is worn out by root system easily, the infiltration that causes leaking, and be positioned at hypothallus on the drainage blanket easily along with the current mistake, plant growth is bad.

Summary of the invention

To the deficiency of prior art, the purpose of the utility model is, a kind of good water-proof effect, the luxuriant roof afforestation structure of plant growth are provided.

For solving the problems of the technologies described above; The technical scheme that the utility model adopts is: a kind of roof afforestation structure; Comprise roof-base and be successively set on waterproofing course, topping, drainage blanket, hypothallus, the plantation layer on the roof-base; Be provided with between described topping and the drainage blanket at a distance from the root layer, be provided with between described drainage blanket and the hypothallus at a distance from soil layer.

Described is the PVC hydrophobic sheet material of finalizing the design at a distance from the root layer.

Described is nonwoven or geotextiles at a distance from soil layer, and the lap length of cloth is more than 200mm.

Described waterproofing course is the thick pea gravel concreten of 50mm.

Add micro-expanding agent, water reducing agent and waterproof agent in the described pea gravel concreten.

Described topping is aluminium foil surface asphalt felt or polyvinyl chloride sheet.

Described drainage blanket is haydite, rubble, coarse sand or cobble.

Described hypothallus is a light soil, is mixed by perlite, detritus soil and birds droppings.

Described plantation layer is for low brushwood, lawn, ground cover plant and climb up by holding on to plant.

Compared with prior art, the utility model has the advantages that: adopt PVC to finalize the design hydrophobic sheet material work, can prevent that the root system of plant from destroying waterproofing course at a distance from the root layer; On drainage blanket, laying nonwoven or geotextiles does can prevent the loss of planting soil and organic media at a distance from soil layer.

Description of drawings

Fig. 1 is the structural representation of the utility model.

The specific embodiment

For further disclosing the technical scheme of the utility model; Now be described with reference to the accompanying drawings the embodiment of the utility model: as shown in Figure 1; A kind of roof afforestation structure comprises roof-base 1 and the waterproofing course 2, topping 3, drainage blanket 5, hypothallus 7, the plantation layer 8 that are successively set on the roof-base, is provided with between topping 3 and the drainage blanket 5 at a distance from root layer 4; Separated root layer 4 is hydrophobic sheet material for PVC finalizes the design, and main effect is to prevent that the root system of plant from destroying waterproofing course.Be provided with between drainage blanket 5 and the hypothallus 7 at a distance from soil layer 6; At a distance from soil layer 6 is nonwoven or geotextiles, and the lap length of cloth is more than 200mm, and main effect is in order to prevent the loss of planting soil and organic media; Before covering hypothallus 7, should on drainage blanket 5, lay at a distance from soil layer 6.

Waterproofing course 2 is the thick pea gravel concreten of 50mm, adds micro-expanding agent, water reducing agent and waterproof agent in the pea gravel concreten, to improve its cracking resistance, permeability resistance.This waterproofing course is harder, can prevent that the shrub of well developed root system from penetrating, and plays the effect on protection roof.

Topping 3 can be selected aluminium foil surface asphalt felt or polyvinyl chloride sheet for use, mainly is that the sandstone that prevents 5 li of drainage blankets damages waterproofing course.

Drainage blanket 5 is haydite, rubble, coarse sand or cobble, and its thickness should be confirmed according to the drought-enduring and water-fast requirement of institute's kind of plant.

Hypothallus 7 is a light soil, is mixed by perlite, detritus soil and birds droppings, not only can guarantee the generally employing of light soil, and lets roof greening the thickness of the layer and load reduce greatly.

Plantation layer 8 is with low brushwood, lawn, ground cover plant and to climb up by holding on to plant etc. be main, in principle need not large-scale arbor, can plant drought-enduring small-sized arbor on a small quantity when having ready conditions.Select to be prone to transplantings, anti-pruning, anti-low level management, poor growth, wind resistance, drought-enduring, high temperature resistant, pollution resistance by force, can tolerate, absorb, be detained the plant of pernicious gas or pollutant.The implantation time of plant should be confirmed the requirement of weather conditions according to all kinds of plants.

More than, the basic design and the basic principle of the utility model have been set forth through introduction to listed embodiment.But the utility model never is limited to above-mentioned listed embodiment, and every equivalent variations, improvement of doing based on the technical scheme of the utility model reaches and deliberately become of inferior quality behavior, all should belong to the protection domain of the utility model.

Claims

1. A roof greening structure, comprising a roof base and a waterproof layer, a protective layer, a drainage layer, a matrix layer, and a planting layer arranged successively on the roof base, is characterized in that: between the described protective layer and the drainage layer, a As for the root-separating layer, a soil-separating layer is arranged between the drainage layer and the matrix layer.

2. A roof greening structure according to claim 1, characterized in that: said root-separating layer is a PVC shaped hydrophobic sheet.

3. A roof greening structure according to claim 1, characterized in that: said soil barrier layer is non-woven fabric or geotextile, and the overlapping length of the cloth is more than 200 mm.

4. A green roof structure according to claim 1, characterized in that: said waterproof layer is 50 mm thick fine stone concrete.

5. A roof greening structure according to claim 1, characterized in that: said protective layer is an aluminum foil-faced asphalt felt or a polyvinyl chloride coiled material.

6. A roof greening structure according to claim 1, characterized in that: said drainage layer is made of ceramsite, gravel, coarse sand or pebbles.

7. A roof greening structure according to claim 1, characterized in that: said planting layer is low shrubs, lawns, ground cover plants and climbing plants.