Plastic steel sheet pile

Abstract

The invention discloses a plastic steel plate pile which comprises a plate body provided with a round shield hole. The circular shield hole comprises two or more than two concave parts arranged on the downstream surface of the plate body, convex parts arranged on the upstream surface of the plate body and corresponding to the concave parts, and water-permeable and air-permeable holes formed in the bottoms of the concave parts and penetrating through the convex parts; according to the plastic steel plate pile, underground water and surface water can be communicated through the water-permeable and air-permeable holes formed in the concave parts and the convex parts, meanwhile, the tensile strength, the compression strength and the bending strength of the plastic steel plate pile are improved, the larger underground water permeable area can be obtained through the water-permeable and air-permeable holes in the shape, and the underground water can permeate through the plastic steel plate pile more rapidly.

Description

Technical Field

[0001] The invention relates to the technical field of water conservancy construction, and in particular to a plastic-steel sheet pile. Background Art

[0002] Plastic steel sheet pile is a new type of water conservancy material, which can be used for river bank protection, waterway bank protection, hydraulic construction anti-seepage and other projects. Plastic steel sheet pile is a high molecular resin polymer, which performs well in corrosion resistance, UV resistance, corrosion resistance, weather resistance, oxidation resistance, ant resistance, frost resistance and high temperature resistance. Plastic steel sheet pile has strong tensile strength, compressive strength, bending strength, and strong impact resistance. The material composition of plastic steel sheet pile is stable, does not contain heavy metal substances and various plasticizers, is not affected by climate and water quality, has anti-pollution properties, and does not contain toxic and harmful substances. The construction is convenient and fast, takes up little space, and has no maintenance cost in the later stage. It provides an economical and environmentally more optimized option for river and water environment management.

[0003] Traditional plastic-steel sheet piles have no water-permeable and air-permeable holes and have good anti-seepage properties, but at the same time they also block the connectivity between groundwater and surface water, and block the replenishment and discharge relationship between groundwater and surface water.

[0004] The existing circular hole-shaped permeable plastic steel sheet piles can open up the connection between groundwater and surface water, but the existing circular hole-shaped permeable hole structure is provided with a 50-80 mm diameter drainage hole in accordance with the "Technical Specifications for Plastic Steel Sheet Pile Retaining Walls of Water Conservancy Projects" (T / CWEA 18-2023).

[0005] In order to solve the above problems, the present invention provides a plastic-steel sheet pile, which solves the problem that the circular water-permeable and air-permeable holes in traditional ecological plastic-steel sheet piles reduce the rigidity strength of the sheet piles and are prone to pipe bursts and soil erosion. Summary of the invention

[0006] The object of the present invention is to provide a plastic-steel sheet pile, which can become a bridge connecting groundwater and surface water by setting round shield holes, and at the same time improve the tensile, compressive and bending strength of the water-permeable and breathable plastic-steel sheet pile.

[0007] To achieve the above object, the present invention provides the following solutions:

[0008] A plastic steel sheet pile comprises a plate body with round shield holes, wherein the round shield holes comprise two or more recessed portions arranged on the back water surface of the plate body, a raised portion arranged on the front water surface of the plate body and corresponding to the recessed portions, and a water-permeable and air-permeable hole opened at the bottom of the recessed portion and penetrating the raised portion.

[0009] Preferably, the interior of the recessed portion is hemispherical, and the raised portion is hemispherical to match the recessed portion.

[0010] Preferably, the direction of the water-permeable and air-permeable holes is perpendicular to the plate body.

[0011] Preferably, the recessed portion and the raised portion are integrally formed by stamping.

[0012] Preferably, the recessed portions and raised portions are arranged in arrays on the back-to-water surface and the front-to-water surface of the plate body, respectively.

[0013] Preferably, the plate body includes a horizontal plate, two vertical plates vertically arranged on the horizontal plate and parallel to each other, the two vertical plates are provided with connecting plates perpendicular to the vertical plates and extending away from the vertical plates, and the two connecting plates are respectively provided with male heads and female heads connected to adjacent plastic-steel sheet piles.

[0014] Preferably, the water-permeable and air-permeable holes are arranged on the horizontal plate.

[0015] Preferably, a clamping plate is provided on the opposite surfaces of the two vertical plates, the clamping plate is parallel to the horizontal plate, a clamping groove is formed between the clamping plate and the horizontal plate, a filter layer is provided in the clamping groove and both ends of the filter layer are clamped in the clamping groove.

[0016] Preferably, reinforcing ribs are arranged at intervals on the horizontal plates, the vertical plates and the connecting plates, and the directions of the reinforcing ribs are the same as the insertion directions of the horizontal plates, the vertical plates and the connecting plates.

[0017] Compared with the prior art, the present invention has achieved the following technical effects:

[0018] The present invention ensures the water permeability and air permeability of the sheet pile through the round shield-shaped water permeable and air permeable hole structure. The round shield-shaped water permeable and air permeable hole ecological plastic steel sheet pile becomes a bridge connecting groundwater and surface water, while improving the tensile, compressive and bending strength of the water permeable and air permeable plastic steel sheet pile. At the same time, the nested use of the anti-filter layer can effectively prevent the occurrence of pipe bursts and soil erosion. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 It is a top view of the plastic-steel sheet pile of the present invention;

[0021] Among them, 1. plate body; 2. male head; 3. female head; 4. reinforcing ribs; 5. snap-in plate; 6. filter layer; 7. recessed part; 8. raised part; 9. water-permeable and air-permeable holes. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0023] The object of the present invention is to provide a plastic-steel sheet pile, which can become a bridge connecting groundwater and surface water by setting round shield holes, and at the same time improve the tensile, compressive and bending strength of the water-permeable and breathable plastic-steel sheet pile.

[0024] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0025] refer to Figure 1 A plastic steel sheet pile comprises a plate body with round shield holes, wherein the round shield holes comprise two or more recessed portions arranged on the back surface of the plate body, a raised portion arranged on the front surface of the plate body and corresponding to the recessed portions, and a water-permeable and air-permeable hole arranged at the bottom of the recessed portion and penetrating the raised portion; the present invention ensures the water permeability and air permeability of the sheet pile through the round shield-shaped water-permeable and air-permeable hole structure, and the round shield-shaped water-permeable and air-permeable hole ecological plastic steel sheet pile becomes a bridge between groundwater and surface water, while improving the tensile, compressive and bending strength of the water-permeable and air-permeable plastic steel sheet pile. At the same time, the nested use of anti-filter layers can effectively prevent pipe bursts from causing soil erosion.

[0026] refer to Figure 1 The interior of the recessed portion is hemispherical, and the raised portion is hemispherical to match the recessed portion; the hemispherical raised portion and the recessed portion can better enhance the tensile, compressive and bending strengths of the plastic steel sheet pile.

[0027] refer to Figure 1 , the direction of the water-permeable and air-permeable holes is perpendicular to the plate body.

[0028] Furthermore, the recessed portion and the raised portion are integrally formed by stamping.

[0029] Furthermore, the recessed portions and the raised portions are arranged in arrays on the back-to-water surface and the front-to-water surface of the plate body, respectively.

[0030] refer to Figure 1 The plate body includes a horizontal plate, two vertical plates vertically arranged on the horizontal plate and parallel to each other, connecting plates vertically extending from the vertical plates and away from the vertical plates are arranged on the two vertical plates, and male heads and female heads connected to adjacent plastic-steel sheet piles are respectively arranged on the two connecting plates.

[0031] refer to Figure 1 , water-permeable and air-permeable holes are arranged on the horizontal plate.

[0032] refer to Figure 1 A clamping plate is arranged on the opposite surfaces of the two vertical plates, the clamping plate is parallel to the horizontal plate, a clamping groove is formed between the clamping plate and the horizontal plate, a filter layer is arranged in the clamping groove and both ends of the filter layer are clamped in the clamping groove.

[0033] refer to Figure 1 , reinforcing ribs are arranged at intervals on the horizontal plates, vertical plates and connecting plates, and the direction of the reinforcing ribs is the same as the insertion direction of the horizontal plates, vertical plates and connecting plates; on the one hand, the setting of the reinforcing ribs enhances the strength of the plastic-steel sheet piles themselves, which is equivalent to the role of stiffening ribs; on the other hand, the reinforcing ribs can enhance the bite ability or friction between the plastic-steel sheet piles and the soil.

[0034] The present invention uses specific examples to illustrate the principles and implementation methods of the present invention. The above examples are only used to help understand the method and core ideas of the present invention. At the same time, for those skilled in the art, according to the ideas of the present invention, there will be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as limiting the present invention.

Claims

1. A plastic steel sheet pile, characterized in that: It comprises a plate body with a round shield hole, wherein the round shield hole comprises two or more recessed parts arranged on the back water surface of the plate body, a raised part arranged on the front water surface of the plate body and corresponding to the recessed parts, and a water-permeable and air-permeable hole opened at the bottom of the recessed part and penetrating the raised part.

2. The plastic-steel sheet pile according to claim 1, characterized in that: The interior of the recessed portion is hemispherical, and the raised portion is hemispherical to match the recessed portion.

3. The plastic-steel sheet pile according to claim 2, characterized in that: The direction of the water-permeable and air-permeable holes is perpendicular to the plate body.

4. The plastic-steel sheet pile according to claim 1, characterized in that: The recessed portion and the raised portion are integrally formed by stamping.

5. The plastic-steel sheet pile according to claim 4, characterized in that: The recessed portions and the raised portions are arranged in arrays on the back-to-water surface and the front-to-water surface of the plate body, respectively.

6. The plastic-steel sheet pile according to claim 1, characterized in that: The plate body includes a horizontal plate, two vertical plates vertically arranged on the horizontal plate and parallel to each other, the two vertical plates are provided with connecting plates perpendicular to the vertical plates and extending away from the vertical plates, and the two connecting plates are respectively provided with male heads and female heads connected to adjacent plastic-steel sheet piles.

7. The plastic-steel sheet pile according to claim 6, characterized in that: The water-permeable and air-permeable holes are arranged on the horizontal plate.

8. The plastic-steel sheet pile according to claim 6, characterized in that: A clamping plate is arranged on the opposite sides of the two vertical plates. The clamping plate is parallel to the horizontal plate. A clamping groove is formed between the clamping plate and the horizontal plate. A filter layer is arranged in the clamping groove and both ends of the filter layer are clamped in the clamping groove.

9. The plastic-steel sheet pile according to claim 6, characterized in that: The horizontal plates, the vertical plates and the connecting plates are all provided with reinforcing ribs at intervals, and the direction of the reinforcing ribs is the same as the insertion direction of the horizontal plates, the vertical plates and the connecting plates.

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