CN108486986A - Sponge urban path tree supports system - Google Patents

Abstract

A kind of sponge urban path tree keeping system, including road, and the collecting system of moisture is supplied for the vegetation of both sides of the road, the upper surface of first impermeable stratum is the level along the S-type setting in link length direction, effluent trough along the width direction of road be arranged the first impermeable stratum it is minimum go out the water surface below, when being collected to the water in cistern in the present invention, the first impermeable stratum being arranged using S types, it is flowed from trend effluent trough along lower direction so that retaining in the water in aquifer, it is flowed into cistern further along effluent trough, effluent trough in the present invention is hollow channel steel, flowing water is unobstructed, there is no be blocked；Moreover, the bottom of aquifer is S type levels, the water saved bit by bit in the most bottom position of S type levels, such aquifer, which is arranged, in effluent trough to be flowed automatically into effluent trough along the inclined-plane of S type levels, and the situation in aquifer is remained in there is no part water.

Description

Sponge city street tree support system

technical field

The invention relates to the technical field of urban water collection, in particular to a system for supporting street trees in a sponge city.

Background technique

The surface of modern cities is constantly covered by reinforced concrete buildings and impervious roads. Although the production efficiency and quality of life have been improved, compared with natural soil, ordinary cement concrete floors lack the ability to absorb heat and infiltrate rainwater. A series of problems followed: First, the decrease in the water seepage capacity of the road surface caused serious water accumulation on the road surface in rainy days. Although there are deep wells on the road for drainage, the water accumulation problem still cannot be effectively solved, which will improve the comfort of vehicles and pedestrians. adverse effects on safety and security;

Second, the impermeable road surface is difficult to exchange heat and humidity with the air, which is easy to produce the "heat island effect", which makes the temperature inside the city too high, leading to climate deterioration.

Third, the imperviousness of the road makes the soil under the road low, which will have an adverse effect on the normal growth of the street trees on both sides, causing problems such as insufficient luxuriance of the street trees and the root system pushing the floor tiles on the road out of the ground.

Contents of the invention

It is necessary to propose a sponge city street tree support system that does not retain moisture inside the road.

A tree supply system for a sponge city street, comprising a road and a water collection system for supplying water to vegetation on both sides of the road. The road includes a first permeable surface layer, a second permeable surface layer, a water storage layer, the first impervious layer, the second impermeable layer, soil layer, the aquifer is a cobblestone layer, the upper surface of the first impermeable layer is close to the lower surface of the aquifer, and the upper surface of the first impermeable layer It is an S-shaped layer arranged along the length of the road. The upper surface of the first impermeable layer is located at the lowest position of the S-shaped layer to form the lowest water outlet surface. The water collection system includes a water outlet tank and a reservoir. On both sides, a planting layer for planting vegetation is set inside the reservoir, and the water in the reservoir penetrates into the planting layer to provide the required water for the vegetation. The water outlet is a hollow long groove, and the water outlet is set along the width of the road. Below the lowest water outlet surface of the first impermeable layer, the outlet tank is embedded inside the first impermeable layer, and the top of the outlet tank is open to form a channel for the water in the aquifer to flow into the outlet tank. Pass out to communicate with the reservoir.

When the water in the reservoir is collected in the present invention, the first water-impermeable layer arranged in S shape is used to make the water stored in the reservoir automatically flow into the water outlet tank along the lower direction, and then along the The outlet tank flows into the reservoir. With such a structure, compared with the drainage pipe embedded in the cobblestone layer in the prior art, the drainage pipe is made by opening holes in the pipe, and the solution is blocked. In addition, the existing cobblestone layer adopts flat In the way of laying, the water stored inside needs to be accumulated to a certain depth and flow into the drainpipe, resulting in some water not flowing into the drainpipe. However, the water outlet tank in the present invention is a hollow channel steel, and the water flow is smooth without being blocked. Moreover, the bottom of the aquifer is an S-shaped layer, and the outlet tank is set at the bottom of the S-shaped layer, so that the water accumulated in the aquifer will automatically flow into the outlet tank along the slope of the S-shaped layer, There is no situation where part of the water remains in the aquifer.

Description of drawings

Fig. 1 is a cross-sectional view along the length of the road of the street tree support system of the sponge city.

Fig. 2 is a schematic diagram along the length of the road of the street tree support system of the sponge city.

Fig. 3 is a schematic diagram along the width and length direction of the street tree support system of the sponge city.

Fig. 4 is a partially enlarged view showing the bottom end of the oxygen supply tube in Fig. 3 .

In the figure: the first water-permeable surface layer 11, the second water-permeable surface layer 12, the water storage layer 13, the first water-impermeable layer 14, the second water-impermeable layer 15, the soil layer 16, the outlet tank 21, the transition pipe 211, the water storage Pool 22, connecting pipe 23, oxygen supply pipe 24.

Detailed ways

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the accompanying drawings that need to be used in the embodiments. Obviously, the accompanying drawings in the following description are some embodiments of the present invention. Ordinary technicians can also obtain other drawings based on these drawings on the premise of not paying creative work.

Referring to Fig. 1 to Fig. 3, the embodiment of the present invention provides a sponge city street tree support system, including a road and a water collection system for supplying water to the grass and trees on both sides of the road. A water-permeable surface layer 11, a second water-permeable surface layer 12, an aquifer 13, a first impermeable layer 14, a second impermeable layer 15, a soil layer 16, the aquifer 13 is a cobblestone layer, and the first impermeable layer 14 The upper surface of the upper surface of the first impermeable layer 14 is in close contact with the lower surface of the water storage layer 13, and the upper surface of the first impermeable layer 14 is an S-shaped layer arranged along the length direction of the road. The lowest position forms the lowest water outlet surface. The water collection system includes a water outlet 21 and a reservoir 22. The reservoir 22 is arranged on both sides of the road. A planting layer for planting vegetation is arranged inside the reservoir 22. The water in the reservoir 22 Infiltrate into the planting layer to provide the required moisture for vegetation. The water outlet groove 21 is a hollow long groove. The water outlet groove 21 is arranged below the lowest water outlet surface of the first impermeable layer 14 along the width direction of the road. The water outlet groove 21 is embedded in the first Inside an impermeable layer 14, the top of the water outlet tank 21 is open to form a channel for the water in the water storage layer 13 to flow into the water outlet tank 21.

When the water in the reservoir 22 is collected in the present invention, the first impermeable layer 14 arranged in an S shape is used to make the water stored in the reservoir 13 automatically flow into the water outlet tank 21 along a lower direction. , and then flow into the reservoir 22 along the water outlet trough 21. With such a structure, compared with the drain pipe embedded in the cobblestone layer in the prior art, the drain pipe is a method of opening holes on the pipe, and the solution is blocked. In addition, The existing cobblestone layer is tiled, and the water stored inside needs to be accumulated to a certain depth and flow into the drainpipe, so that some water cannot flow into the drainpipe, while the water outlet 21 in the present invention is a hollow channel steel , the flowing water is unobstructed, and there is no blocked situation; moreover, the bottom of the aquifer 13 is an S-shaped layer, and the water outlet 21 is arranged at the bottom position of the S-shaped layer, so that the water accumulated in the aquifer 13 will automatically flow along the The inclined surface of the S-shaped layer flows into the water outlet tank 21 , and there is no situation in which part of the water remains in the aquifer 13 .

Further, the water outlet 21 includes a left half and a right half, the left half of the water outlet 21 slopes downward from the middle of the road to the outside of the road, and the right half of the water outlet 21 slopes downward from the middle of the road to the outside of the road. A transition pipe 211 is provided between the end of the water tank 21 and the reservoir 22 to connect the two.

The water outlet groove 21 is set to be high in the middle and low on both sides, which helps water to flow out along the water outlet groove 21, and the water will not remain in the water outlet groove 21, and the water outlet groove 21 that is inclined downward also helps the water flow to the outside. The flowing water also scours the water outlet tank 21 to prevent debris from settling at the bottom of the water outlet tank 21.

Further, the heights of the bottoms of the adjacent water storage tanks 22 on one side of the road are different, so that the water storage volumes of the adjacent water storage tanks 22 are different.

In urban construction, in order to beautify the environment, various plants or trees are planted on both sides of the road, and for the sake of a well-organized and beautiful appearance, different varieties are used. Different varieties of plants have different water requirements for growth, and different varieties are used when planting on both sides of the road. Planting at intervals, so the depth of the reservoirs 22 on both sides of the road is set to be different, the deeper reservoirs 22 can be planted with plants that require more water, and the shallower reservoirs 22 can be planted. Plants with less water.

Further, the adjacent reservoirs 22 are connected by connecting pipes 23, and the communicating pipes 23 are arranged obliquely. Cistern 22.

Sometimes the amount of water formed by the downward collection of the aquifer 13 is inconsistent and uncontrolled, so that the water in the deeper reservoir 22 is deeper, and the water in the shallower reservoir 22 is shallow, which is not suitable for The growth needs of the internal vegetation, so a connecting pipe 23 is provided. The connecting pipe 23 is installed obliquely in two reservoirs 22 with different depths and different water volume requirements, so that the excess water in the shallower reservoir 22 enters In the deeper reservoir 22, as a supplement, it satisfies both the vegetation with less demand for water and the vegetation with greater water demand. In this way, through external qualitative regulation, the allocation of water volume is realized to meet the growth needs of different varieties, different water demands, and different plants. It not only has a beautiful appearance, but also has a high survival rate.

Further, the water collection system also includes an oxygen supply pipe 24, the oxygen supply pipe 24 is a hollow tube vertically arranged, the oxygen supply pipe 24 is arranged near the end of the water outlet tank 21, and the top of the oxygen supply pipe 24 leaks above the road surface, and also The top opening of the oxygen supply pipe 24 is provided with a grid top cover 241 to prevent foreign matter from falling into the oxygen supply pipe 24 and blocking the pipeline. The bottom end of the oxygen supply pipe 24 is open and is arranged near the bottom of the transition pipe 211 .

Referring to FIG. 4 , further, the bottom end of the oxygen supply pipe 24 is an inclined plane opening, and the inclined plane opening of the oxygen supply pipe 24 is set toward the direction in which water flows out of the water outlet tank 21 .

When the plant root system grows, it also needs oxygen, and the setting of the reservoir 22 isolates the root system of the plant growing inside it from the external soil. The oxygen infiltrated in the soil cannot enter the reservoir 22, and the plant root system cannot absorb oxygen. Unfavorable to growth, oxygen supply pipe 24 is provided among the present invention, and the top of oxygen supply pipe 24 communicates with the outside world, and enters for air or oxygen, and the bottom of oxygen supply pipe 24 is arranged near the bottom of connecting pipe 23, and when water flows out, The flowing water is in contact with the bottom opening of the oxygen supply pipe 24. When the flowing water passes through the oxygen supply pipe 24, a small amount of water rushes into the oxygen supply pipe 24, and when it flows out, a negative pressure plume is formed in the oxygen supply pipe 24. The air or oxygen in the water is also involved in the water flow, enters the water storage tank 22 along with the water flow, and is absorbed by the plant root system. In this way, external air or oxygen is artificially sent to the root system of the reservoir 22 to meet the needs of plant growth and avoid the death of the plant root system due to lack of oxygen.

Further, the first impermeable layer 14 is a lime soil layer, and the second impermeable layer 15 is a plain soil layer.

The modules or units in the device of the embodiment of the present invention can be combined, divided and deleted according to actual needs.

What is disclosed above is only a preferred embodiment of the present invention, and certainly cannot limit the scope of rights of the present invention with this. Those of ordinary skill in the art can understand the whole or part of the process of realizing the above-mentioned embodiment, and make according to the claims of the present invention The equivalent changes still belong to the scope covered by the invention.

Claims (7)

1. a kind of sponge city street tree support system, it is characterized in that: comprise road and the water collecting system that supplies moisture for the grass and trees on both sides of road, described road comprises the first water-permeable surface layer that is arranged successively from top to bottom, the second Permeable surface layer, aquifer, first impermeable layer, second impermeable layer, soil layer, the aquifer is a cobblestone layer, the upper surface of the first impermeable layer is in close contact with the lower surface of the aquifer, and the first The upper surface of the impermeable layer is an S-shaped layer along the length of the road. The upper surface of the first impermeable layer is located at the lowest position of the S-shaped layer to form the lowest water outlet surface. The water collection system includes a water outlet tank and a reservoir. The reservoir is set on both sides of the road, and the planting layer for planting vegetation is set inside the reservoir. The water in the reservoir penetrates into the planting layer to provide the required water for the vegetation. The outlet tank is a long hollow groove along the The width direction of the road is set below the lowest water outlet surface of the first impermeable layer, the water outlet tank is embedded in the first water impermeable layer, and the top of the water outlet tank is open to form a channel for water in the aquifer to flow into the water outlet tank. Both ends of the road pass under the road to communicate with the cistern. 2. The street tree support system for sponge city as claimed in claim 1, characterized in that: the water outlet tank comprises a left half section and a right half section, the water outlet tank of the left half section slopes downward from the middle of the road to the outside of the road, and the right half section The outlet tank is inclined downward from the middle of the road to the outside of the road, and a transition pipe is arranged between the end of the outlet tank and the reservoir to connect the two. 3. The street tree support system for sponge city as claimed in claim 1, characterized in that: the heights of the bottoms of the adjacent reservoirs on one side of the road are different, so that the water yields of the adjacent reservoirs are different. 4. The street tree support system for sponge city as claimed in claim 3, characterized in that: the adjacent reservoirs are connected by connecting pipes, the connecting pipes are arranged obliquely, and the high end of the connecting pipes is connected to the relatively higher reservoirs at the bottom to communicate with each other. The lower end of the tube connects to a relatively low bottom cistern. 5. The street tree support system for sponge city as claimed in claim 1, characterized in that: the water collection system also includes an oxygen supply pipe, the oxygen supply pipe is a vertically arranged hollow pipe, and the oxygen supply pipe is arranged near the end of the water outlet tank, The top of the oxygen supply pipe leaks above the road surface, and a grille top cover is installed on the top opening of the oxygen supply pipe to prevent debris from falling into the oxygen supply pipe to block the pipe, and the low end of the oxygen supply pipe passes through the transition at the end of the water outlet The top of the tube extends into the interior of the transition tube, and the bottom end of the oxygen supply tube is open and arranged near the bottom of the transition tube. 6. The street tree support system for sponge city according to claim 5, characterized in that: the bottom end of the oxygen supply pipe is an inclined-plane opening, and the inclined-plane opening of the oxygen supply pipe is set toward the direction in which water flows out of the water outlet tank. 7. The street tree support system for sponge city according to claim 1, characterized in that: the first impermeable layer is a lime soil layer, and the second impermeable layer is a plain soil layer.