CN209636585U - A kind of pavement grass planting ditch - Google Patents

Abstract

The utility model proposes a kind of pavement grass planting ditches, including the trapezoidal rammed earth layer in section, drainage blanket is provided, in sequence from bottom to top, with inside the rammed earth layer, planting soil layer and aquitard, the aquitard is depressed structure, kind is implanted with green plants in the planting soil layer, two inclined surface of the planting soil layer are equipped with the water storage road being arranged along grass planting ditch length direction, the water storage road is by concrete masonry units and top is ringent structure, the water storage road upper opening position is equipped with safety head, the safety head is irony flase floor, it is equipped with inside the drainage blanket and flexible porous tube is set along grass planting ditch length direction, pavement grass planting ditch design is reasonable, rainwater is collected by the water storage road being arranged in planting soil layer, it can be using the water in the water storage road to planting soil when encountering dry weather Layer plays the effect of wetting, is conducive to the growth of green plants.

Description

A kind of pavement grass planting ditch

Technical field

The utility model relates to grass planting ditch design fields, more particularly, to a kind of pavement grass planting ditch.

Background technique

Grass planting ditch refers to kind of the earth's surface irrigation canals and ditches for having vegetation, collects, conveys and discharge runoff rainwater, and have certain rainwater Catharsis can be used for being connected other each individual event facilities, urban rainwater canal system system and exceeded rainfall runoff exhaust system.Except turn Outside defeated type grass planting ditch, further includes the dry type grass planting ditch of osmosis type and the wet type grass planting ditch of Chang Youshui, runoff volume can be respectively increased With runoff pollution control effect, suitable for the periphery of the impervious surfaces such as road, square, parking lot, urban road and urban green space Equal regions also can be used as biology and be detained the low pretreatment facility for influencing development facility such as facility, wet pool.Grass planting ditch can also be with rainwater Pipe duct use in conjunction, place vertically allow and do not influence that Storm Sewer System can also be replaced in the case where safety.

Traditional pavement grass planting ditch substantially meets needs, but when encountering prolonged dry weather, due to moisture Missing, the plant that will cause grass planting ditch surface is withered, dead, when rainfall is excessive, due to the reduction of phytomass, causes lower infiltration The requirement of rainwater discharge is not achieved in the reduction of speed；In addition, existing grass planting ditch also has the reservoir of rainwater-collecting, still Since the length of grass planting ditch is longer, the problem of single reservoir is unable to satisfy water shortage.

Utility model content

In view of the above-mentioned problems, the utility model proposes a kind of pavement grass planting ditches of collectable rainwater.

The technical solution of the utility model is achieved in that

A kind of pavement grass planting ditch, including the trapezoidal rammed earth layer in section, inside the rammed earth layer from lower and On be successively arranged drainage blanket, planting soil layer and aquitard, the aquitard is depressed structure, plants and is implanted in the planting soil layer Green plants, two inclined surface of the planting soil layer are equipped with the water storage road being arranged along grass planting ditch length direction, the storage Water channel is by concrete masonry units and top is ringent structure, and the water storage road upper opening position is equipped with safety head, The safety head is irony flase floor, is equipped with inside the drainage blanket and flexible porous tube, institute is arranged along grass planting ditch length direction It states and is equipped with permeable soil between the outer surface of flexible porous tube, the bottom and drainage blanket and planting soil layer of the drainage blanket Work cloth, is equipped at intervals with multiple emptying wells on the length direction of grass planting ditch etc., the inner space of the emptying well with it is flexible porous Pipe is connected, and double-wall corrugated pipe is equipped on the emptying well, and the double-wall corrugated pipe inner space is connected with emptying well, institute The installation site for stating double-wall corrugated pipe is located at the lower part of flexible porous tube.

Further, the minimum 100mm in the distance between highest point Yu level ground of the planting soil layer.

Further, the gradient of two sides is 1:1 inside the rammed earth layer.

Further, goose stone buffer strip that the planting soil layer upper end is equipped with connection ground and that gradient is 1:3.

Further, the material of the drainage blanket is crushed-gravel.

Further, the diameter of the flexible porous tube is 150mm.

Using above-mentioned technical proposal, the utility model has the following beneficial effects: pavement grass planting ditch design is rationally, pass through The water storage road being arranged in planting soil layer is collected rainwater, and the water in the water storage road can be utilized when encountering dry weather The effect that wetting is played to planting soil layer is conducive to the growth of green plants.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property It puts, is also possible to obtain other drawings based on these drawings.

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the installation diagram that the utility model empties well.

Wherein: 1, drainage blanket；2, rammed earth layer；3, safety head；4, green plants；5, planting soil layer；6, aquitard；7, Water storage road；8, goose stone buffer strip；9, flexible porous tube；10, well is emptied；11, double-wall corrugated pipe.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts Every other embodiment obtained, fall within the protection scope of the utility model.

As shown in Figs. 1-2, a kind of pavement grass planting ditch, including the trapezoidal rammed earth layer 2 in section, the rammed earth Drainage blanket 1, planting soil layer 5 and aquitard 6 are provided, in sequence from bottom to top, with inside layer 2, the aquitard 6 is depressed structure, institute It states kind in planting soil layer 5 and is implanted with green plants 4, wherein planting soil layer 5 is mixed by sand, compost and loamy soil, sand content For 60%-85%, compost organic principle is 5%-10%, and loamy soil component content is no more than 5%, the two of the planting soil layer 5 A inclined surface is equipped with the water storage road 7 that be arranged along grass planting ditch length direction, the water storage road 7 for by concrete masonry units and on Side is ringent structure, and the 7 upper opening position of water storage road is equipped with safety head 3, and the safety head 3 is irony grid Plate is equipped with inside the drainage blanket 1 and flexible porous tube 9, the appearance of the flexible porous tube 9 is arranged along grass planting ditch length direction Permeable geotextiles are equipped between face, the bottom of the drainage blanket 1 and drainage blanket 1 and planting soil layer 5, in grass planting ditch Multiple emptying wells 10 are equipped at intervals on length direction etc., the inner space of the emptying well 10 is connected with flexible porous tube 9, institute It states and double-wall corrugated pipe 11 is installed on emptying well 10,11 inner space of double-wall corrugated pipe is connected with emptying well 10, described The installation site of double-wall corrugated pipe 11 is located at the lower part of flexible porous tube 9.

Further, the minimum 100mm in the distance between highest point and level ground of the planting soil layer 5.

Further, the gradient of 2 two side in inside of rammed earth layer is 1:1.

Further, goose stone buffer strip 8 that 5 upper end of planting soil layer is equipped with connection ground and that gradient is 1:3.

Further, the material of the drainage blanket 1 is crushed-gravel, and crushed-gravel partial size is less than or equal to 50mm.

Further, the diameter of the flexible porous tube 9 is 150mm.

When work, when rainfall, rainwater conflux enters in the retention layer of grass planting ditch, by infiltering under planting soil layer 5 into draining Layer 1, rainwater is filtered and is purified in infitration process, finally flowed into flexible porous tube 9, pass through 9 He of flexible porous tube Water is discharged double-wall corrugated pipe 11；Due to water storage road 7 be by concrete masonry units, the rainy day is stored in the water in water storage road 7 It will not descend to seep, be retained, when dry weather, the water in water storage road 7 be exported using water pump, is mentioned for green plants 4 For sufficient water source, and existing utilization tap water can also be substituted and pour plant, reduce the waste of water resource.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model Protection scope within.

Claims (1)

1. a kind of pavement grass planting ditch, which is characterized in that including the trapezoidal rammed earth layer (2) in section, the rammed earth Drainage blanket (1), planting soil layer (5) and aquitard (6) are provided, in sequence from bottom to top, with inside layer (2), the aquitard (6) is recess Formula structure, the planting soil layer (5) on kind are implanted with green plants (4), and two inclined surface of the planting soil layer (5) are equipped with edge Grass planting ditch length direction setting water storage road (7), the water storage road (7) be by concrete masonry units and top be ringent Structure, water storage road (7) the upper opening position are equipped with safety head (3), and the safety head (3) is irony flase floor, described It is equipped with inside drainage blanket (1) and flexible porous tube (9) is set along grass planting ditch length direction, the appearance of the flexible porous tube (9) Permeable geotextiles are equipped between face, the bottom of the drainage blanket (1) and drainage blanket (1) and planting soil layer (5), are being planted Multiple emptying wells (10), the inner space of emptying well (10) and flexible porous tube are equipped at intervals on the length direction of careless ditch etc. (9) it is connected, is equipped with double-wall corrugated pipe (11) on the emptying well (10), double-wall corrugated pipe (11) inner space and row Empty well (10) is connected, and the installation site of the double-wall corrugated pipe (11) is located at the lower part of flexible porous tube (9), the planting soil The minimum 100mm in the distance between the highest point and level ground of layer (5), internal two sides of the rammed earth layer (2) Gradient is 1:1, goose stone buffer strip (8) that planting soil layer (5) upper end is equipped with connection ground and that gradient is 1:3, the row The material of water layer (1) is crushed-gravel, and the diameter of the flexible porous tube (9) is 150mm.