Reinforced geotextile composite grid

Abstract

The utility model discloses a reinforced geotextile composite grid, which relates to the technical field of geogrids and is formed by compositing geotextile and geogrids, the geotextile adopts a four-layer structural design and comprises a surface layer, a core layer reinforcing layer and a bottom layer, a glass fiber grid is arranged in the geotextile, a plurality of uniformly distributed connecting grooves are formed in the geotextile, and the connecting grooves are connected with the geotextile. A plurality of evenly-distributed connecting protrusions are arranged on the surface of the geogrid, and the connecting protrusions correspond to the connecting grooves. The reinforced geotextile composite grid provided by the utility model adopts a four-layer structural design, and comprises a wear-resistant and anti-ultraviolet surface layer, a core layer with high elastic recovery capability and chemical corrosion resistance, a reinforcing layer for remarkably improving tensile strength and tear resistance, and a bottom layer with good hydrophobicity and air permeability; the connecting grooves formed in the geotechnical cloth correspond to the connecting protrusions on the geogrid, firm connection is achieved in a hot melting mode, and the integrity of the composite structure is enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of geogrids, and more specifically, to a reinforced geotextile composite grid. Background Art

[0002] Composite grid has high tensile strength and has the function of back infiltration filtration. It can give full play to the advantages of geogrid and geotextile at the same time and has a wide range of applications. Composite grid is produced by combining geogrid and geotextile. The geogrid in the composite grid uses polypropylene as raw material, which is compounded with geotextile by hot melting or stitching to form a composite grid.

[0003] Traditional reinforced geotextile composite grids may have the following shortcomings: First, their structural design and material selection are often relatively simple, making it difficult to simultaneously meet multiple performance requirements such as wear resistance, UV resistance, and chemical corrosion resistance. Second, at the joints of the composite structure, traditional connection methods may suffer from insufficient strength and easy loosening, thus affecting the stability and durability of the entire structure. Research to address these issues led to the invention of this device. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, the present invention provides a reinforced geotextile composite grid to solve the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a reinforced geotextile composite grid, which is composed of a composite of geotextile and geogrid. The geotextile adopts a four-layer structure design, including a surface layer, a core reinforcement layer and a bottom layer. The surface layer is made of PET material, the core layer is made of TPEE material, the reinforcement layer is made of glass fiber fabric material, and the bottom layer is made of PP material. A glass fiber grid is arranged inside the geotextile, and a plurality of evenly distributed connecting grooves are opened on the geotextile. A plurality of evenly distributed connecting protrusions are arranged on the surface of the geogrid, and the connecting protrusions correspond to the connecting grooves.

[0006] Furthermore, the weight of geotextile is between 200-600g / m².

[0007] Furthermore, the tensile strength of the geogrid in the longitudinal and transverse directions of the geogrid is greater than 50 kN / m.

[0008] Furthermore, the thickness of the geogrid is between 1-3 mm.

[0009] Furthermore, the glass fiber grid is arranged between the core layer and the reinforcement layer.

[0010] Furthermore, the glass fiber grid is configured as a rectangular grid, and the side length of each grid is between 5 and 20 mm.

[0011] Furthermore, a plurality of evenly distributed elastic connecting belts are provided on the geotextile, and the elastic connecting belts are made of TPU material.

[0012] Furthermore, a plurality of evenly distributed anchors are provided at the bottom of the geogrid.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] 1. In this utility model, the geotextile adopts a four-layer structure design, including a wear-resistant and UV-resistant surface layer, a core layer with strong elastic recovery and chemical corrosion resistance, a reinforcement layer that significantly improves tensile strength and tear resistance, and a bottom layer with good hydrophobicity and air permeability. The multi-layer design ensures the stability and durability of the geotextile in different environments;

[0015] 2. In the present invention, the connection grooves on the geotextile correspond to the connection protrusions on the geogrid, and a firm connection is achieved by hot melting, which enhances the integrity of the composite structure and avoids structural failure caused by loose connections;

[0016] 3. In the present invention, the design of the elastic connecting belt not only enhances the connection strength between the geotextile and the geogrid, but also improves the flexibility and adaptability of the structure, reduces stress concentration caused by foundation settlement or temperature changes, and thus extends the service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following is a brief introduction to the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0018] Figure 1 A schematic diagram of the overall structure provided by the utility model;

[0019] Figure 2 A schematic diagram of the connection between the geotextile and the elastic connecting belt provided by the present invention;

[0020] Figure 3 A schematic diagram of the structure of the geotextile provided by the utility model;

[0021] Figure 4 This is a schematic structural diagram of the geogrid provided by the utility model.

[0022] Description of reference numerals:

[0023] 1. Geotextile; 101. Surface layer; 102. Core layer; 103. Reinforcement layer; 104. Bottom layer; 2. Geogrid; 3. Fiberglass mesh; 4. Connecting groove; 5. Connecting protrusion; 6. Elastic connecting belt; 7. Anchor. DETAILED DESCRIPTION

[0024] The following describes the implementation of the present invention through specific embodiments. Those skilled in the art can readily understand the other advantages and benefits of the present invention from the contents disclosed in this specification. Obviously, the embodiments described are only a portion of the embodiments of the present invention, not all of them. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without inventive effort are also within the scope of protection of the present invention.

[0025] In order to enable those skilled in the art to better understand the present application, the present application is further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0026] Example:

[0027] Refer to the attached Figure 1 The reinforced geotextile composite grid of this embodiment is composed of a geotextile 1 and a geogrid 2. The weight of the geotextile 1 is between 200-600g / m², ensuring that the geotextile 1 has a certain thickness and strength to meet the needs of different projects. The thickness of the geogrid 2 is between 1-3mm, and the tensile strength of the geogrid 2 along the longitudinal and transverse directions of the grid is greater than 50kN / m.

[0028] Refer to the attached Figure 1 and Figure 3 The geotextile 1 adopts a four-layer structure design, including a surface layer 101, a core layer 102, a reinforcement layer 103 and a bottom layer 104. The surface layer 101 is made of PET material, which has good wear resistance and UV resistance, and can effectively protect the internal structure from the influence of the external environment. The core layer 102 is made of TPEE material, which has excellent elastic recovery ability and chemical corrosion resistance, enhancing the overall toughness and service life of the geotextile 1. The reinforcement layer 103 is made of glass fiber fabric material, which significantly improves the tensile strength and tear resistance of the geotextile 1, and is the key to structural strength. The bottom layer 104 is made of PP material, which has good hydrophobicity and air permeability, which helps soil drainage, while increasing the friction between the geotextile 1 and the soil and improving stability.

[0029] Refer to the attached Figure 3 A glass fiber grid 3 is arranged inside the geotextile 1. The glass fiber grid 3 is arranged between the core layer 102 and the reinforcement layer 103 and is fixed by a hot pressing process to ensure that the layers are tightly combined to form an overall force-bearing structure. The glass fiber grid 3 is arranged as a rectangular grid, and the side length of each grid is between 5-20 mm.

[0030] Refer to the attached Figure 2 and Figure 4 A plurality of evenly distributed connecting grooves 4 are provided on the geotextile 1, and a plurality of evenly distributed connecting protrusions 5 are provided on the surface of the geogrid 2, and the connecting protrusions 5 correspond to the connecting grooves 4, and a firm connection is achieved by hot melting to enhance the integrity of the composite structure.

[0031] Refer to the attached Figure 1 A plurality of evenly distributed elastic connecting belts 6 are provided on the geotextile 1. The elastic connecting belts 6 are made of TPU material. The elastic connecting belts 6 pass through the mesh of the geogrid 2 and are fixed to the ground, thereby enhancing the connection strength between the geotextile 1 and the geogrid 2, further improving the flexibility and adaptability of the structure, and reducing stress concentration caused by foundation settlement or temperature changes.

[0032] Refer to the attached Figure 1 A plurality of evenly distributed anchors 7 are provided at the bottom of the geogrid 2 to facilitate its firm fixation in the soil and improve the stability and pull-out resistance of the overall structure.

[0033] In this application, the geotextile 1 adopts a four-layer structural design, including a wear-resistant and UV-resistant surface layer 101, a core layer 102 with strong elastic recovery ability and chemical corrosion resistance, a reinforcement layer 103 that significantly improves tensile strength and tear resistance, and a bottom layer 104 with good hydrophobicity and air permeability. The multi-layer design ensures the stability and durability of the geotextile 1 in different environments; the setting of the fiberglass grid 3 enhances the internal structural strength of the geotextile 1, while ensuring close bonding between the layers; the connecting groove 4 provided on the geotextile 1 corresponds to the connecting protrusion 5 on the geogrid 2, and a firm connection is achieved by hot melting, which enhances the integrity of the composite structure and avoids structural failure caused by loose connection; the design of the elastic connecting belt 6 not only enhances the connection strength between the geotextile 1 and the geogrid 2, but also improves the flexibility and adaptability of the structure, reduces stress concentration caused by foundation settlement or temperature changes, and thus extends the service life.

[0034] Finally: The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A reinforced geotextile composite grid, which is composed of a geotextile (1) and a geogrid (2), and is characterized by: The geotextile (1) adopts a four-layer structure design, including a surface layer (101), a core layer (102), a reinforcement layer (103) and a bottom layer (104), wherein the surface layer (101) is made of PET material, the core layer (102) is made of TPEE material, the reinforcement layer (103) is made of glass fiber fabric material, and the bottom layer (104) is made of PP material. A glass fiber grid (3) is provided inside the geotextile (1), and a plurality of evenly distributed connecting grooves (4) are provided on the geotextile (1). A plurality of evenly distributed connecting protrusions (5) are provided on the surface of the geogrid (2), and the connecting protrusions (5) correspond to the connecting grooves (4).

2. The reinforced geotextile composite grid according to claim 1, characterized in that: The geotextile (1) has a gram weight between 200-600 g / m².

3. The reinforced geotextile composite grid according to claim 1, characterized in that: The tensile strength of the geogrid (2) along the longitudinal and transverse directions of the grid is greater than 50 kN / m.

4. The reinforced geotextile composite grid according to claim 1, characterized in that: The thickness of the geogrid (2) is between 1 and 3 mm.

5. The reinforced geotextile composite grid according to claim 1, characterized in that: The glass fiber mesh (3) is arranged between the core layer (102) and the reinforcement layer (103).

6. The reinforced geotextile composite grid according to claim 4, characterized in that: The glass fiber grid (3) is configured as a rectangular grid, with the side length of each grid being between 5 and 20 mm.

7. The reinforced geotextile composite grid according to claim 1, characterized in that: The geotextile (1) is provided with a plurality of evenly distributed elastic connecting belts (6), and the elastic connecting belts (6) are made of TPU material.

8. The reinforced geotextile composite grid according to claim 1, characterized in that: A plurality of evenly distributed anchoring members (7) are provided at the bottom of the geogrid (2).

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