Corrosion-resistant geogrid

By setting inlet and outlet channels on the upper and lower surfaces of the support base of the geogrid, and utilizing buoyancy plates and high-strength polyester fiber materials, the problem of geogrid corrosion due to water accumulation is solved, achieving rapid drainage and preventing re-soaking, extending service life and improving stability.

CN224092259UActive Publication Date: 2026-04-07YIXING NEW ORIENTAL GEOTECHNICAL MATERIALS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-11
Publication Date
2026-04-07

AI Technical Summary

Technical Problem

Existing geogrids are prone to corrosion due to immersion in water, especially at the connection points of the bottom supports, where water can easily enter and affect their protective function.

Method used

Liquid inlet and outlet channels are set on the upper and lower surfaces of the support base. The buoyancy plate made of polyethylene ethylene ester moves according to the water level changes. Combined with the grid body made of high-strength polyester fiber, rainwater can be quickly discharged and prevent water from accumulating again.

Benefits of technology

This effectively prevents rainwater from soaking the geogrid body for extended periods, extending its service life and improving the stability and corrosion resistance of the geogrid.

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Abstract

The utility model relates to the technical field of geogrids, and discloses a corrosion-resistant geogrid which comprises a supporting base, the interior of the supporting base is fixedly connected with a grid body, a liquid inlet groove and a liquid outlet groove are formed in the upper surface and the lower surface of the supporting base, so that rainwater is rapidly discharged out of the supporting base under the action of gravity, and the corrosion resistance of the geogrid is improved. The rainwater is prevented from being accumulated in the supporting base, so that the situation that the rainwater soaks the grille body for a long time is avoided, the possibility that the grille body is corroded due to rainwater soaking is reduced, and the service life of the grille body is prolonged; buoyancy generated by accumulated water acts on a buoyancy plate made of polyethylene acid ester, the buoyancy plate is driven to move upwards along a supporting rod, when the water level rises to a certain height, the buoyancy plate can shield a liquid drainage groove, the accumulated water is prevented from entering the supporting base again through the liquid drainage groove, soaking of the bottom of the grille body is avoided, and the service life of the grille body is prolonged. And the anti-corrosion performance of the grille body is further improved.
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Description

Technical Field

[0001] This utility model relates to the field of geogrid technology, and in particular to a corrosion-resistant geogrid. Background Technology

[0002] Geogrids, as an important geosynthetic material, are widely used in many civil engineering fields. In road engineering, they are used to enhance the bearing capacity of road base layers and reduce pavement settlement and cracking. In slope protection engineering, they can enhance soil stability and prevent slope collapse. They also play an indispensable role in the reinforcement of dams in water conservancy projects. With the continuous development of infrastructure construction, the demand for geogrids is increasing, and the requirements for their performance are also becoming more and more stringent.

[0003] Announcement No. CN213390073U discloses a corrosion-resistant fiberglass geogrid, relating to the field of building materials. This utility model includes a fiber geogrid structure and interwoven connecting buckles. The interwoven connecting buckles include through holes, which are cylindrical in shape. The fiber geogrid structure includes upper and lower fiber bundles, one end of which is sleeved on the cylindrical surface of the through hole via a collar. Multiple fiber geogrid structures and multiple interwoven connecting buckles are intersected and connected to form a geogrid shape. A bottom support is provided inside the geogrid. Under conditions such as rainwater erosion, the bottom support supports the fiber geogrid structure, preventing it from being soaked and reducing the erosion rate. The central column and spring structure inside the bottom support can provide a certain degree of load-bearing buffer. The drainage holes and bevels on the fiber geogrid structure can reduce the accumulation of surface residues and accelerate their discharge.

[0004] The fixed seat in the bottom support of the above-mentioned device has a disc-shaped structure. Although its outer ring is connected to other components by a fixed seat connecting ring, it is not specifically designed to prevent water backflow. If the water level rises, water may enter the grid through the connection between the fixed seat and the fixed seat connecting ring, or through the tiny gap between the bottom of the fixed seat and the ground. The movable connection between the central column and the central groove at the bottom of the fixed seat may also become a channel for water to enter. Although there is a waterproof sleeve, if the waterproof sleeve is soaked in water for a long time or if there is a problem with the seal during installation, water may still enter the connection between the central column and the groove, thereby affecting the protective function of the entire bottom support and impacting the grid structure. Utility Model Content

[0005] To solve the above-mentioned technical problems, this utility model provides a corrosion-resistant geogrid.

[0006] This utility model is achieved by the following technical solution: a corrosion-resistant geogrid, including a support base, a geogrid body is fixedly connected inside the support base, a plurality of liquid inlet grooves are opened on the upper surface of the support base, a plurality of liquid outlet grooves are opened on the lower surface of the support base, support rods are fixedly connected at the four corners of the lower surface of the support base, rubber pads are fixedly connected to the bottom end of the support rods, and buoyancy plates are sleeved on the outer surface of the support rods.

[0007] The above technical solution effectively avoids rainwater accumulation and prolonged soaking of the grating body, solves the problem of surface corrosion caused by rainwater soaking, and extends the service life of the grating body.

[0008] As a further improvement to the above solution, the buoyancy plate is made of polyethylene vinyl ester.

[0009] Through the above technical solutions, the buoyancy plate made of polyethylene ethylene ester can accurately move according to changes in water level, thereby enhancing the corrosion resistance reliability of the geogrid.

[0010] As a further improvement to the above solution, the upper surface of the support base is provided with several embedded grooves.

[0011] The above technical solutions make the geogrid body more securely fixed in the supporting base, reduce displacement of the geogrid body during use, further improve the overall stability and reliability of the geogrid, and help it play a better role.

[0012] As a further improvement to the above solution, the embedded groove is adapted to the grille body.

[0013] As a further improvement to the above solution, the material of the grid body is high-strength polyester fiber.

[0014] Through the above technical solutions, the corrosion-resistant properties of high-strength polyester fiber material enable the geogrid body to maintain good structural integrity when facing possible corrosive factors such as rainwater, reducing the frequency of replacement due to corrosion and extending the service life of the geogrid.

[0015] As a further improvement to the above solution, the drain tank is located below the inlet tank.

[0016] The above technical solution can quickly and effectively drain rainwater from the support base, reduce the residence time of rainwater in the support base, and reduce the possibility of the grid body being corroded by rainwater immersion.

[0017] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0018] This invention features inlet and outlet channels on the upper and lower surfaces of the support base. These channels allow rainwater to drain quickly from the support base under gravity, preventing water accumulation and thus avoiding prolonged immersion of the grating body. This reduces the likelihood of corrosion caused by rainwater soaking and extends the service life of the grating body. When excessive water accumulates below the support base, the buoyancy generated by the water acts on a buoyancy plate made of polyethylene ethylene ester, causing the buoyancy plate to move upwards along the support rod. When the water level rises to a certain height, the buoyancy plate blocks the outlet channels, preventing water from re-entering the support base and avoiding immersion of the bottom of the grating body, further improving its corrosion resistance. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0020] Figure 2 This is a schematic diagram of the embedded groove of this utility model;

[0021] Figure 3 This is a cross-sectional view of the drainage tank of this utility model;

[0022] Figure 4 This is a schematic diagram of the buoyancy plate of this utility model.

[0023] Explanation of key symbols:

[0024] 1. Support base; 2. Grille body; 3. Liquid inlet tank; 4. Liquid outlet tank; 5. Support rod; 6. Rubber pad; 7. Buoyancy plate; 8. Embedded tank. Detailed Implementation

[0025] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. It should be noted that, without conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.

[0026] Example:

[0027] Please combine Figure 1-4This embodiment of a corrosion-resistant geogrid includes a support base 1, with a geogrid body 2 fixedly connected inside the support base 1. The upper surface of the support base 1 has several inlet grooves 3, and the lower surface of the support base 1 has several drainage grooves 4. Support rods 5 are fixedly connected to the four corners of the lower surface of the support base 1, with rubber pads 6 fixedly connected to the bottom ends of the support rods 5. Buoyancy plates 7 are fitted onto the outer surfaces of the support rods 5. When rainwater is present, it can enter the interior of the support base 1 through the inlet grooves 3 and then be discharged through the drainage grooves 4, thus preventing rainwater accumulation inside the support base 1. Furthermore, the support rods 5 at the four corners of the lower surface of the support base 1, with rubber pads 6 at the bottom ends of the support rods 5 and buoyancy plates 7 fitted onto their outer surfaces, allow the buoyancy plates 7 to rise with the water level when excessive water accumulates below the support base 1, moving upwards along the support rods 5 due to buoyancy. When it rises to a certain height, the buoyancy plate 7 will block the drainage channel 4 to prevent water from re-entering the support base 1 through the drainage channel 4 and soaking the bottom of the grid body 2.

[0028] The buoyancy plate 7 is made of polyethylene ethylene ester, a material with certain buoyancy properties. In a waterlogged environment, it can move on the support rod 5 according to changes in water level, thereby blocking or not blocking the drainage trough 4 to control the entry of water into the support base 1.

[0029] The upper surface of the support base 1 is provided with several embedding grooves 8. During installation, the grid body 2 can be better embedded into the embedding grooves 8, which increases the connection stability between the grid body 2 and the support base 1.

[0030] The embedded groove 8 is adapted to the grille body 2.

[0031] The geogrid body 2 is made of high-strength polyester fiber, which has good corrosion resistance. In the environment where the geogrid is used, it can resist the corrosive effects of external factors.

[0032] The drain trough 4 is located below the inlet trough 3. When rainwater enters the support base 1, due to gravity, the rainwater will first enter the inlet trough 3 and then naturally flow to the drain trough 4 below, thereby achieving rapid discharge of rainwater.

[0033] The implementation principle of a corrosion-resistant geogrid in this embodiment is as follows: First, the geogrid body 2 is connected to the support base 1. Since the upper surface of the support base 1 has several embedded grooves 8 that are adapted to the geogrid body 2, the geogrid body 2 is accurately embedded into these embedded grooves 8. Then, the two are connected by suitable fasteners to ensure that the geogrid body 2 is firmly fixed in the support base 1. During use, when it rains, rainwater will enter the interior of the support base 1 through several liquid inlet grooves 3 on the upper surface of the support base 1. Since the drainage groove 4 is located below the liquid inlet grooves 3, under the action of gravity, the rainwater will naturally flow from the liquid inlet grooves 3 to the drainage groove 4, and then drain away. The liquid tank 4 drains from the support base 1, thus preventing rainwater from accumulating inside the support base 1 and reducing the soaking of the grid body 2. When too much water accumulates below the support base 1, the buoyancy plate 7, which is made of polyethylene ethylene ester and has certain buoyancy characteristics, will cause the buoyancy plate 7 to move upward along the support rod 5 due to the buoyancy generated by the accumulated water. As the water level rises, the buoyancy plate 7 will rise to a certain height, at which point the buoyancy plate 7 will block the drain tank 4 on the lower surface of the support base 1. This will prevent the accumulated water from re-entering the interior of the support base 1 through the drain tank 4, thus avoiding soaking the bottom of the grid body 2 and achieving corrosion protection for the grid body 2.

[0034] The above embodiments are merely preferred embodiments of this utility model and should not be construed as limiting the scope of protection of this utility model. Any non-substantial changes and substitutions made by those skilled in the art based on this utility model shall fall within the scope of protection claimed by this utility model.

Claims

1. A corrosion-resistant geogrid, characterized in that, Includes a support base (1), with a grid body (2) fixedly connected inside the support base (1), a plurality of liquid inlet grooves (3) opened on the upper surface of the support base (1), a plurality of liquid outlet grooves (4) opened on the lower surface of the support base (1), support rods (5) fixedly connected at the four corners of the lower surface of the support base (1), rubber pads (6) fixedly connected to the bottom end of the support rods (5), and a buoyancy plate (7) sleeved on the outer surface of the support rods (5).

2. The corrosion-resistant geogrid as described in claim 1, characterized in that: The buoyancy plate (7) is made of polyethylene vinyl ester.

3. The corrosion-resistant geogrid as described in claim 1, characterized in that: The upper surface of the support base (1) is provided with several embedded grooves (8).

4. A corrosion-resistant geogrid as described in claim 3, characterized in that: The embedded groove (8) is adapted to the grid body (2).

5. A corrosion-resistant geogrid as described in claim 1, characterized in that: The material of the grid body (2) is high-strength polyester fiber.

6. The corrosion-resistant geogrid as described in claim 1, characterized in that: The drain tank (4) is located below the inlet tank (3).

Citation Information

Patent Citations

  • Corrosion-resistant glass fiber geogrid

    CN213390073U