Reversed permeable concrete structure for pavement with poor water permeability of base layer or hardened pavement

Abstract

The utility model discloses a modified pervious concrete structure for a pavement with poor water permeability of a base layer or a hardened pavement, which comprises a soil matrix or the hardened pavement, and a water collecting ditch is formed in the soil matrix or the hardened pavement; the water conveying pipes are laid on the soil base or the hardened road surface, one end of each water conveying pipe extends into the water collecting ditch, the water conveying pipes are arranged at intervals in the length direction of the water collecting ditch, and water permeable gaps are formed in the pipe walls of the water conveying pipes; the pervious concrete layer is poured on the soil base or the hardened pavement and wraps the water conveying pipes; and the double-acrylic polyurethane layer is coated on the pervious concrete layer. The permeable concrete structure solves the problem that a conventional permeable concrete structure is not suitable for being used on a soil matrix with a poor water seepage effect.

Description

Technical Field

[0001] The utility model relates to the technical field of building construction, in particular to a permeable concrete structure for renovation of a base with poor water permeability or a hardened road surface. Background Art

[0002] With the development of infrastructure construction, more and more permeable concrete construction is being carried out. Many old roadside sidewalks, squares, etc. have also been renovated with permeable concrete. Usually, the foundation bearing capacity of such facilities is sufficient, but the permeability is average. Figure 1 As shown in the figure, the conventional permeable concrete structure includes soil base, 10cm thick permeable graded gravel, 15cm thick C20 permeable cement concrete layer, 3cm dry hard cement mortar layer and environmentally friendly permeable brick (or five-color transparent sealing layer) arranged from bottom to top. However, the construction of permeable concrete requires the soil base to have good water permeability, thicker permeable graded gravel or permeable base, and the base cost is high, which is not suitable for places with poor soil base water permeability.

[0003] The information disclosed in this background technology section is only intended to increase the understanding of the overall background of the present invention, and should not be regarded as acknowledging or suggesting in any form that the information constitutes the prior art already known to a person skilled in the art. Utility Model Content

[0004] In order to overcome the defects of the prior art, a permeable concrete structure for renovation of a base with poor permeability or a hardened road surface is provided to solve the problem that conventional permeable concrete structures are not suitable for use on soil foundations with poor permeability.

[0005] In order to achieve the above object, a permeable concrete structure for renovation of a base with poor water permeability or a hardened road surface is provided, comprising:

[0006] A soil base or a hardened road surface, wherein the soil base or the hardened road surface is provided with a drainage ditch;

[0007] A plurality of water pipes, wherein the water pipes are laid on the soil foundation or hardened road surface, one end of the water pipes extends into the water collecting ditch, the plurality of water pipes are arranged at intervals along the length direction of the water collecting ditch, and water-permeable gaps are formed on the pipe walls of the water pipes;

[0008] A permeable concrete layer is poured on the soil base or hardened road surface and covers the multiple water pipes.

[0009] A dipropylene polyurethane layer is applied to the permeable concrete layer.

[0010] Furthermore, the plurality of water pipes are arranged at equal intervals.

[0011] Furthermore, a notch penetrating through both ends of the water pipe is formed at the bottom of the pipe wall of the water pipe, and a plurality of water-permeable gaps are respectively formed on the pipe walls on opposite sides of the notch.

[0012] Furthermore, the plurality of water-permeable gaps are arranged at intervals along the axial direction of the water pipe.

[0013] Furthermore, the water-permeable gap is connected to the notch.

[0014] Furthermore, the water pipe is a round pipe.

[0015] Furthermore, the water-permeable gap is spiral-shaped.

[0016] Furthermore, the water-permeable gap is arranged along the circumferential direction of the water pipe.

[0017] Furthermore, there are multiple water-permeable gaps, and the multiple water-permeable gaps are arranged at intervals along the axial direction of the water pipe.

[0018] Furthermore, the water-permeable gap is arranged at the top of the pipe wall of the water pipe.

[0019] The beneficial effect of the utility model is that the utility model is used for renovating the permeable concrete structure of the base with poor permeability or the hardened road surface, optimizes the construction process of converting the base with poor permeability or the hardened surface into permeable concrete, adds a hard water pipe under the permeable concrete surface layer to greatly reduce the thickness of the permeable base, saves materials and saves costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Other features, objects and advantages of the present application will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings:

[0021] Figure 1 This is a schematic structural diagram of the first embodiment of the utility model for renovating a permeable concrete structure for a base with poor water permeability or a hardened road surface.

[0022] Figure 2 This is a perspective view of a permeable concrete structure for renovation of a base with poor water permeability or a hardened road surface according to the first embodiment of the utility model.

[0023] Figure 3 It is a schematic structural diagram of a water delivery pipe according to the first embodiment of the utility model.

[0024] Figure 4 It is a schematic structural diagram of the end portion of the water delivery pipe according to the first embodiment of the utility model.

[0025] Figure 5 This is a schematic structural diagram of a water delivery pipe according to a second embodiment of the utility model.

[0026] Figure 6 It is a schematic structural diagram of the end portion of the water delivery pipe according to the second embodiment of the utility model.

[0027] Figure 7 It is a schematic structural diagram of a water delivery pipe according to the third embodiment of the utility model.

[0028] Figure 8 It is a schematic structural diagram of the end portion of the water delivery pipe according to the third embodiment of the utility model. DETAILED DESCRIPTION

[0029] The present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the relevant utility model, rather than to limit the utility model. It is also necessary to explain that, for ease of description, only the parts related to the utility model are shown in the accompanying drawings.

[0030] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0031] First embodiment

[0032] Reference Figures 1 to 4 As shown, the utility model provides a permeable concrete structure for renovation of a base with poor water permeability or a hardened road surface, comprising: a soil base or a hardened road surface 1, a water pipe 2, a permeable concrete layer 3 and a dipropylene polyurethane layer.

[0033] The soil base or hardened road surface 1, wherein the soil base is a compacted soil base and the hardened road surface is a cement hardened road surface. The soil base or hardened road surface 1 is provided with a water collection ditch 10.

[0034] There are multiple water pipes 2. The water pipes 2 are laid on the soil foundation or hardened road surface 1, and one end of the water pipe 2 extends into the water collection ditch 10. The multiple water pipes 2 are arranged at intervals along the length direction of the water collection ditch 10. Water-permeable gaps 20 are formed on the pipe wall of the water pipe 2.

[0035] As a preferred embodiment, a plurality of water pipes 2 are arranged at equal intervals.

[0036] In this embodiment, a notch 200 is formed at the bottom of the pipe wall of the water pipe 2 and passes through both ends of the water pipe 2. A plurality of water-permeable gaps 20 are formed on the pipe walls on opposite sides of the notch 200. The water-permeable gaps 20 are connected to the notch 200.

[0037] A plurality of water-permeable gaps 20 are arranged at intervals along the axial direction of the water pipe 2 .

[0038] The permeable concrete layer 3 is poured on the soil base or hardened road surface 1. The permeable concrete layer 3 is coated on the plurality of water pipes 2.

[0039] The dipropylene glycol polyurethane layer is applied on the permeable concrete layer 3.

[0040] In this embodiment, the water pipe is formed by stamping angle steel. Specifically, the outer edges of the flange plates on both sides of the angle steel are stamped to form water-permeable gaps. The two sides of the water pipe are respectively in the shape of comb teeth.

[0041] The width of the permeable gap is smaller than the minimum particle size of the permeable concrete.

[0042] The utility model provides a construction method for renovating a permeable concrete structure of a base with poor water permeability or a hardened road surface, comprising the following steps:

[0043] S1. Compact the soil base and set the slope.

[0044] S2. After the slope is set, install the water pipe, and the higher end of the water pipe is not exposed. The lower end of the water pipe is exposed to the water collection ditch.

[0045] When the project is a large-scale square for old town renovation, the hardened road surface is milled, the existing slope and drainage ditch are used, the water pipe is fixed, an elbow is installed at the lower end of the water pipe and part of the drainage ditch is extended. After placing formwork steel bars on the drainage ditch, permeable concrete is poured. After pouring using this method, there is no open ditch in the square, which is beautiful.

[0046] S3. After the water pipe is laid, permeable concrete is poured on the soil base or hardened road surface to form permeable concrete layer 3.

[0047] S4. Finally, a dipropylene glycol polyurethane layer is coated on the permeable concrete layer 3.

[0048] The utility model is used for renovating the permeable concrete structure of the base with poor water permeability or the hardened road surface, optimizes the construction process of converting the base with poor water permeability or the hardened surface into permeable concrete, adds a hard water pipe under the permeable concrete surface layer to greatly reduce the thickness of the permeable base, saves materials and saves costs.

[0049] Second embodiment

[0050] Reference Figure 5 and Figure 6 As shown, the difference between this embodiment and the first embodiment lies only in the shape and structure of the water delivery pipe.

[0051] Specifically, in this embodiment, the water delivery pipe 2 is a round pipe, and the water permeable gap 20 is spiral.

[0052] In this embodiment, the water pipe is cut from an ordinary steel pipe, and the entire water pipe is in a spring-like shape. The width of the permeable gap is smaller than the minimum particle size of the permeable concrete.

[0053] Third embodiment

[0054] Reference Figure 7 and Figure 8 As shown, the difference between this embodiment and the first embodiment lies only in the shape and structure of the water delivery pipe.

[0055] Specifically, in this embodiment, the water pipe 2 is a circular pipe, and the water-permeable gaps 20 are arranged along the circumferential direction of the water pipe 2 .

[0056] In this embodiment, there are multiple water-permeable gaps 20 , and the multiple water-permeable gaps 20 are arranged at intervals along the axial direction of the water pipe 2 .

[0057] As a preferred embodiment, the water-permeable gap 20 is arranged at the top of the pipe wall of the water pipe 2.

[0058] In this embodiment, the water pipe is cut from an ordinary steel pipe, and the side is shaped like a comb. The width of the permeable gap is smaller than the minimum particle size of the permeable concrete.

[0059] The above description is only a preferred embodiment of the present application and an explanation of the technical principles used. Those skilled in the art should understand that the scope of the utility model involved in the present application is not limited to the technical solution formed by a specific combination of the above technical features, but should also cover other technical solutions formed by any combination of the above technical features or their equivalent features without departing from the concept of the utility model. For example, the above features are replaced with the technical features with similar functions disclosed in the present application (but not limited to) by each other to form a technical solution.

Claims

1. A permeable concrete structure for renovation of a base with poor water permeability or a hardened road surface, characterized in that: include: A soil base or a hardened road surface, wherein the soil base or the hardened road surface is provided with a drainage ditch; A plurality of water pipes, wherein the water pipes are laid on the soil foundation or hardened road surface, one end of the water pipes extends into the water collecting ditch, the plurality of water pipes are arranged at intervals along the length direction of the water collecting ditch, and water-permeable gaps are formed on the pipe walls of the water pipes; A permeable concrete layer is poured on the soil base or hardened road surface and covers the plurality of water pipes; A dipropylene polyurethane layer is applied to the permeable concrete layer.

2. The permeable concrete structure for renovation of a base with poor water permeability or a hardened road surface according to claim 1, characterized in that: The multiple water pipes are arranged at equal intervals.

3. The permeable concrete structure for renovation of a base with poor water permeability or a hardened road surface according to claim 1, characterized in that: A notch penetrating through both ends of the water pipe is formed at the bottom of the pipe wall of the water pipe, and a plurality of water-permeable gaps are respectively formed on the pipe walls on opposite sides of the notch.

4. The permeable concrete structure for renovation of a base with poor water permeability or a hardened road surface according to claim 3, characterized in that: The plurality of water-permeable gaps are arranged at intervals along the axial direction of the water delivery pipe.

5. The permeable concrete structure for renovation of a base with poor water permeability or a hardened road surface according to claim 4, characterized in that: The water-permeable gap is connected to the notch.

6. The permeable concrete structure for renovation of a base with poor water permeability or a hardened road surface according to claim 1, characterized in that: The water delivery pipe is a round pipe.

7. The permeable concrete structure for renovation of a base with poor water permeability or a hardened road surface according to claim 6, characterized in that: The water-permeable gap is spiral-shaped.

8. The permeable concrete structure for renovation of a base with poor water permeability or a hardened road surface according to claim 6, characterized in that: The water-permeable gap is arranged along the circumferential direction of the water delivery pipe.

9. The permeable concrete structure for renovation of a base with poor water permeability or a hardened road surface according to claim 8, characterized in that: There are multiple water-permeable gaps, and the multiple water-permeable gaps are arranged at intervals along the axial direction of the water pipe.

10. The permeable concrete structure for renovation of a base with poor water permeability or a hardened road surface according to claim 9, characterized in that: The water-permeable gap is arranged at the top of the pipe wall of the water delivery pipe.

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