CN211645830U - Sponge city infiltration structure - Google Patents

Abstract

The utility model discloses a sponge city water seepage structure, which comprises a plurality of water seepage units, wherein each water seepage unit comprises a bottom plate horizontally fixed on a foundation, a plurality of supporting plates vertically fixed on the bottom plate, and a plurality of water seepage plates; the plurality of supporting plates are connected in a staggered manner to form a grid structure with a polygonal cross section, and the water seepage plate is arranged in the grid unit; the water seepage plate is provided with water drainage holes, the bottom plate is provided with water seepage holes corresponding to the inner cavities of the grid units, and the water seepage units are arranged in a matrix manner and spliced to form a sponge city water seepage structure. During this structural construction, only need to assemble the bottom plate that has the grid structure and be fixed in the ground, will seep during the integrated circuit board goes into the grid unit again, can accomplish the construction of infiltration structure, construction and maintenance change are all high-efficient convenient.

Description

Sponge city infiltration structure

Technical Field

The utility model discloses sponge city construction drainage facility especially relates to a sponge city infiltration structure.

Background

Research shows that 80% of rainwater in nature permeates into underground natural ecosystem and only 20% of rainwater flows away. However, as the hardened ground of the city increases in large area, most of the rain water in the rainfall is blocked by the asphalt and cement ground, and the rain water is difficult to directly permeate into the ground to supplement the city underground water. The runoff coefficient of grassland is about 0.2, while the runoff coefficient of cement or asphalt is above 0.9, which means that less than 10% of rainwater falls on hardened ground and can permeate underground, while the remaining 90% of rainwater needs to be discharged by municipal pipe network. On one hand, the burden of municipal pipe networks is increased, and on the other hand, most of water supply and drainage pipe network systems in cities in China are built decades ago, rainwater and sewage pipe networks are not completely separated, and rainwater is difficult to collect and use.

At present, the prior art discloses a lot of sponge cities structure of permeating water, but most structures are complicated, and the construction is loaded down with trivial details, in case destroy and be difficult to maintain, and be difficult to deal with the uneven settlement problem that the basis produced because of the infiltration.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome the not enough of prior art, provide one kind and can collect the rainwater, reduce the runoff coefficient on urban road surface, reduce municipal pipe network burden, and construct and maintain swift convenient sponge city infiltration structure.

In order to solve the technical problem, the utility model discloses a following technical scheme:

a sponge city water seepage structure comprises a plurality of water permeable units, wherein each water permeable unit comprises a bottom plate horizontally fixed on a supporting component, a plurality of supporting plates vertically fixed on the bottom plate, and a plurality of water seepage plates;

the supporting plates are connected in a staggered mode to form a grid structure with a polygonal cross section, and the upper portions of two side wall surfaces of each supporting plate incline towards the other side wall surface to form a first inclined surface; the water seepage plate is provided with side end faces which correspond to the first inclined faces one by one, and the side end faces of the water seepage plate are inclined towards the corresponding first inclined faces from the bottom end to the top end of the side end faces to form second inclined faces which are in butt fit with the corresponding first inclined faces;

the water seepage plate is provided with water drainage holes, the bottom plate is provided with water permeable holes at positions corresponding to the inner cavities of the grid units, and the water permeable units are arranged in a matrix manner through the bottom plate and spliced to form a sponge city water seepage structure.

During this construction, only need to assemble the bottom plate that has the grid structure and be fixed in the ground, during the cooperation on the first inclined plane of rethread and second inclined plane will seep water the integrated circuit board and go into the card and establish the space, can accomplish the construction of infiltration structure, construction and maintenance change are all high-efficient convenient.

Rainwater flows into the inner cavity of the grid unit through the drain holes in the water seepage plate and then flows into the foundation through the water seepage holes in the bottom plate and permeates into the ground, so that the purposes of collecting rainwater, reducing the runoff coefficient of urban pavements and reducing the burden of municipal pipe networks are achieved.

As a further improvement of the above technical solution:

the cross section of the bottom plate is square.

The supporting plates are connected in a criss-cross mode to form a grid structure with a square grid cross section.

Considering the convenience of production and transportation, each water permeable unit is provided with four grating units.

The supporting component is a grouting pipe, the upper end of the grouting pipe is connected with the bottom plate, and the lower end of the grouting pipe extends into the foundation. During construction, the grouting pipe is firstly driven into a foundation and concrete is poured, and then the bottom plate is installed at the upper end of the grouting pipe.

The connecting positions of the grouting pipes and the supporting plate correspond one to one.

In order to facilitate the connection between the bottom plate and the grouting pipe and the replacement and maintenance of the bottom plate, the bottom end face of the bottom plate is provided with fixing holes corresponding to the grouting pipes one to one, and the upper ends of the grouting pipes are fixed in the fixing holes.

In order to ensure the reliable connection between the levelness base grouting pipe of the bottom plate and the bottom plate, a bearing platform which is abutted against the bottom end face of the bottom plate is arranged on the grouting pipe in a penetrating mode.

Concrete is poured in the grouting pipe, and an overflowing hole for allowing the concrete to flow into a foundation is formed in the side wall of the grouting pipe. Cement mortar is poured into the grouting pipe inserted into the ground through grouting equipment, part of the cement mortar flows into the foundation along with the overflowing hole, the grouting pipe can be integrated with the foundation, and the foundation is prevented from generating uneven settlement due to water seepage.

Compared with the prior art, the utility model has the advantages of:

1. the utility model discloses can reduce the runoff coefficient on urban road surface, alleviate flood disasters, reduce the heat island effect, solve current square board and can't be with the direct infiltration underground problem of rainwater.

2. The utility model discloses simple structure, construction and maintenance are changed convenient high-efficient, have solved current square board in case destroy the special problem that is difficult to the maintenance, provide technical guarantee for china's popularization sponge city theory.

Drawings

Fig. 1 is the utility model discloses sponge city infiltration structure's schematic structure diagram.

Fig. 2 is a schematic structural diagram of the water permeable plates in the water permeable unit after splicing.

Fig. 3 is a schematic top view of a grid support in the water permeable unit.

FIG. 4 is a schematic partial cross-sectional view of a grid support in the water permeable unit;

fig. 5 is a schematic structural view of the grouting pipe of the present invention.

Illustration of the drawings: 1. a water seepage plate; 11. a second inclined surface; 12. a drain hole; 2. a support plate; 21. a first inclined surface; 3. grouting pipes; 31. an overflowing hole; 4. a base plate; 41. water permeable holes; 5. a bearing platform.

Detailed Description

The invention is further described below with reference to specific preferred embodiments, without thereby limiting the scope of protection of the invention.

Example (b):

as shown in fig. 1, the sponge city of this embodiment infiltration structure, including a plurality of units of permeating water, the unit of permeating water includes bottom plate 4, a plurality of backup pads 2 of vertical being fixed in on bottom plate 4 on the ground through a plurality of grout pipes 3 level, and a plurality of infiltration board 1.

As shown in fig. 4 and 5, the bottom end surface of the bottom plate 4 is provided with fixing holes corresponding to the grouting pipes 3 one by one, the upper ends of the grouting pipes 3 are fixed in the fixing holes, and the grouting pipes 3 are provided with bearing platforms 5 in a penetrating manner to abut against the bottom end surface of the bottom plate 4, so as to ensure the levelness of the bottom plate 4. The side wall of the grouting pipe 3 is provided with an overflowing hole 31 for allowing concrete to flow into the foundation.

As shown in fig. 2, a plurality of supporting plates 2 are connected in a criss-cross manner to form a grid structure with a square cross section, and each adjacent four supporting plates 2 are enclosed to form a grid unit, and each water permeable unit is provided with four grid units in consideration of the convenience of production and transportation. As shown in fig. 1 and 4, the upper portions of both side wall surfaces of each support plate 2 are inclined toward the other side wall surface to form a first inclined surface 21; the grid unit encloses towards four first inclined planes 21 of grid unit inner chamber and closes and form the card and establish the space, as shown in fig. 2, during the card was established the space in locating to infiltration board 1, four side end faces of infiltration board 1 incline towards corresponding first inclined plane 21 by the bottom to the top of side end face and form the second inclined plane 11 with corresponding first inclined plane 21 butt cooperation.

The water seepage plate 1 is provided with water drainage holes 12, the bottom plate 4 is provided with water seepage holes 41 at positions corresponding to the inner cavities of the grid units, the cross section of the bottom plate 4 is square, and a plurality of water seepage units are arranged in a matrix and spliced through the bottom plate 4 to form a sponge city water seepage structure.

In this embodiment, the porous plate is made of Reactive Powder Concrete (RPC) material, and for aesthetic reasons, the four groups of the drainage hole groups are symmetrically arranged with respect to the geometric center of the top surface of the porous plate, each group of the drainage hole groups includes two rectangular drainage holes, and the length of the drainage hole near the geometric center of the top surface of the porous plate is shorter than that of the drainage hole near the edge of the porous plate.

The grid structure and the bottom plate are manufactured as a single body by molding and are made of stainless steel or high molecular polymer with low cost and high strength. The top longitudinal section of the supporting plate 2 is triangular and is in seamless connection with the water seepage plate 2. The bottom of the bottom plate 4 is provided with a circular fixing hole 42 matched with the outer diameter of the grouting pipe for fixing the grid support.

The grouting pipe 3 is made of stainless steel materials, a pipe body is provided with a plurality of overflowing holes 31 distributed from top to bottom, and the bearing platform 5 is fixed on the upper part of the grouting pipe 3.

The sponge city of this embodiment infiltration structure work progress as follows:

s1: the grouting pipe 3 of the upper fixing bearing platform 5 is inserted into the foundation, the grouting equipment is used for grouting the mud mortar into the grouting pipe 3 inserted into the ground, the grouting pipe 3 and the foundation form a whole, and the foundation is prevented from generating uneven settlement due to water seepage.

S2: the bottom plate with the grid structure is fixed on the grouting pipe 3 through the matching of the shaft holes; and a plurality of bottom plates are arranged in a matrix and spliced on the foundation.

S3: and (3) clamping the water seepage plate 1 into the clamping space of the grid unit until the installation of all the water seepage plates is completed.

The above description is only for the preferred embodiment of the present application and should not be taken as limiting the present application in any way, and although the present application has been disclosed in the preferred embodiment, it is not intended to limit the present application, and those skilled in the art should understand that they can make various changes and modifications within the technical scope of the present application without departing from the scope of the present application, and therefore all the changes and modifications can be made within the technical scope of the present application.

Claims (9)

1. A sponge city water seepage structure is characterized by comprising a plurality of water seepage units, wherein each water seepage unit comprises a bottom plate (4) horizontally fixed on a supporting component, a plurality of supporting plates (2) vertically fixed on the bottom plate (4), and a plurality of water seepage plates (1);

the supporting plates (2) are connected in a staggered mode to form a grid structure with a polygonal cross section, and the upper portions of two side wall surfaces of each supporting plate (2) incline towards the other side wall surface to form a first inclined surface (21); a plurality of first inclined planes (21) of each grid unit facing to the inner cavity of each grid unit are enclosed to form a clamping space, the water seepage plate (1) is clamped in the clamping space, the water seepage plate (1) is provided with side end faces which are in one-to-one correspondence with the first inclined planes (21), and a plurality of side end faces of the water seepage plate (1) are inclined towards the corresponding first inclined planes (21) from the bottom end to the top end of each side end face to form second inclined planes (11) which are in butt fit with the corresponding first inclined planes (21);

the sponge city water seepage structure is characterized in that the water seepage plate (1) is provided with a water drainage hole (12), the bottom plate (4) is provided with a water seepage hole (41) at a position corresponding to the inner cavity of the grid unit, and the plurality of water seepage units are arranged in a matrix manner through the bottom plate (4) and spliced to form the sponge city water seepage structure.

2. The sponge urban infiltration structure of claim 1, characterized in that, the cross section of the bottom plate (4) is square.

3. A sponge urban infiltration structure according to claim 1 or 2, characterized in that a plurality of supporting plates (2) are criss-crossed and connected to form a grid structure with square grid cross-section.

4. The sponge urban infiltration structure of claim 3, wherein each water permeable unit has four grid units.

5. The urban sponge seepage structure of claim 1, wherein the supporting component is a grouting pipe (3), the upper end of the grouting pipe (3) is connected with the bottom plate (4), and the lower end of the grouting pipe (3) extends into a foundation.

6. The urban sponge seepage structure of claim 5, wherein the connecting positions of the grouting pipes (3) and the supporting plates (2) correspond one to one.

7. The urban sponge water seepage structure according to claim 6, wherein fixing holes (42) corresponding to the grouting pipes (3) one to one are formed in the bottom end face of the bottom plate (4), and the upper ends of the grouting pipes (3) are fixed in the fixing holes (42).

8. The urban sponge seepage structure of claim 7, wherein a bearing platform (5) abutted against the bottom end face of the bottom plate (4) is arranged on the grouting pipe (3) in a penetrating manner.

9. The sponge urban infiltration structure of any one of claims 5-8, characterized in that concrete is poured into the grout pipe (3), and the lateral wall of the grout pipe (3) is provided with an overflow hole (31) for the concrete to flow into the ground.

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