What are the characteristics of each specification of geogrille?

Geograe is a two-dimensional grid or three-dimensional grid screen with a certain height made of polypropylene, polyvinyl chloride and other high polymer by thermoplastic or molded, which is called geograe when used as civil engineering.

Geoglage is one of the main geosynthetic materials. Compared with other geosynthetic materials, it has unique properties and effects.

Geogrids are commonly used as reinforcement of reinforced soil structures or reinforcement of composite materials. Geogrid is divided into plastic geogrid, steel-plastic geogrid, glass fiber geogrid and high-strength polyester geogrid four categories.

(1) Plastic geogrid

Plastic geoglage is a polymer mesh material formed by stretching with a square or rectangle, which can be one-way stretching and bidirectional stretching according to the different drawing directions when it is manufactured. It is punched in the polymer sheet material made by extrusion, which is mostly polypropylene or high-density polyethylene, and then subjected to directional stretching under heating conditions. The single stretch grille is only made along the length of the plate, while the bidirectional stretch grille is made by continuing to stretch the unidirectional stretch grille in the direction perpendicular to its length. Because the polymer polymer will be rearranged with the heating extension process in the manufacturing of the plastic geoglyceris, the bonding force between the molecular chains is strengthened, and the purpose of improving its strength is achieved. Its elongation is only the original plate. If anti-aging materials such as carbon black are added to the geogrid, it can have good acid resistance, alkali resistance, corrosion resistance and anti-aging durability.

Two-way geogrid

Bidirectional geogrid is made of high polymer through extrusion, plate forming, punching process and then longitudinal and transverse stretching. The material has great tensile strength both longitudeand laterally, and this structure can also provide an ideal interlocking system for more efficient force bearing and diffusion in the soil, suitable for large areas. Sex-bearing foundation

One way geogrid

The unidirectional geoglage is made of high polymer extruded into thin sheet and then punched into regular hole mesh, and then lengthwise stretched. In this process, the polymer becomes oriented and linear and forms a uniform elliptic network structure with high joint strength. This kind of structure has quite high tensile strength and tensile modulus.

(2) Steel-plastic geogrid

Steel-plastic geogrid with high-strength steel wire (or other fibers), after special treatment, with polyethylene (PE), and add other additives, by extrusion to become a composite high-strength tensile strip, and the surface has (rough) rough grain, it is a high-strength reinforced earth belt. Thus, a single strip, arranged longitudinally and horizontally according to a certain distance or clamping, is formed by welding its junction points with a special fusion welding technology, which is a reinforced earth grid.

Product features:

1. High strength, small deformation.

2. The creep gets smaller.

3. Corrosion resistance, long life, steel-plastic geogrid with plastic materials as a protective layer, supplemented by various additives to make it have anti-aging, oxidation properties, acid, alkali, salt and other harsh environment corrosion. Therefore, the steel-plastic geoglass can meet all types. Sex engineering more than 100 years of use needs, and excellent performance, good dimensional stability.

4. The construction is convenient and quick, the period is short, the cost is low. Carry the barbecue chia cool じ train て lying in Chen. 罱 printing pictures ㄎ

Easy, smooth, avoid overlapping, can effectively shorten the project cycle, save the project cost of 10-50cm.

Engineering application field

Roads, railways, abutments, approaches, docks, DAMS, slag fields, such as soft soil foundation reinforcement, retaining wall and pavement anti-crack engineering.

Engineering function

1, high strength, small creep, adapt to all kinds of environmental soil, can fully meet the use of high grade highway retaining wall.

2. It can effectively improve the interlock and occlusion of the reinforced bearing surface, enhance the bearing capacity of the foundation to a large extent, effectively constrain the lateral displacement of the soil, and enhance the stability of the foundation.

3. Compared with the traditional grating, it has the characteristics of high strength, strong bearing capacity, corrosion resistance, anti-aging, large friction coefficient, uniform hole, convenient construction and long service life.

4, more suitable for deep-sea operations, embankment reinforcement, fundamentally solve the technical problems of low strength, poor corrosion resistance and short service life caused by long-term seawater erosion caused by other materials.

5, can effectively avoid the construction damage caused by machine rolling and damage in the construction process

(3) glass fiber geogrid

Glass fiber geogrid is a mesh structure material made of glass fiber, using a certain weaving process. In order to protect glass fiber and improve the overall performance, it is a geocomposite material formed by a special coating process. The main components of glass fiber are; Silicon oxide is an inorganic material, its physical and chemical properties are stable, and has high strength, high modulus, high wear resistance and excellent cold resistance, no long-term creep, good thermal stability, network structure makes the aggregate lock and limit, improve the load bearing capacity of asphalt mixture. Because the surface is coated with special modified asphalt, it has a double compound property, which greatly improves the wear resistance and shear ability of the geogrid.

Sometimes combined with self-adhesive pressure sensitive adhesive and surface asphalt impregnation treatment, so that the grille and asphalt pavement closely integrated into one. Because the interlocking force of soil and stone in the geogrid grid increases, the friction coefficient between them is significant. Dafang yarn 0.8-10), the pull resistance of the geogrid buried in the soil is significant due to the strong friction and bite force between the grille and the soil. Large, so it is a good reinforcement material. At the same time, the geogrid is a kind of light weight, with a certain flexibility of plastic flat mesh material, easy to cut and connect on site, can also overlap, simple construction, do not need special construction machinery and professional and technical personnel.

Fiberglass geogrid

Tensile strength, low elongation - Glass fiber geoglids are glass fiber as raw materials, with high deformation resistance, fracture elongation is less than 3%.

2 liver Weng て change invertors huan - as reinforced material, has the long-term load ability to resist deformation under the condition of the creep resistance is. Importantly, the glass fiber does not creep, which ensures that the product can maintain its performance for a long time.

ㄐ bath - The melting temperature of glass fiber is above 1000 ° C, which ensures the stability of the glass fiber geoggrid to withstand heat in the paving operation.

The material coated in the post-treatment process is designed for the asphalt mixture, each fiber is fully coated, and has a high compatibility with asphalt, so as to ensure that the glass fiber geogrates will not be isolated from the asphalt mixture in the asphalt layer, but firmly combined together.

With a special after-treatment agent, the fiberglass geogrid is coated with a variety of physical wear and chemical erosion, as well as biological erosion and climate change, ensuring that its performance is not affected.

6 Obituaries inlock and limit - Because the glass fiber geoglage is a mesh structure, the aggregate in the asphalt concrete can be penetrated through it, so. Forming a mechanical inlay lock. This limitation hinders the movement of aggregates, so that the asphalt mixture can achieve better compaction, higher load-bearing capacity, better load transfer performance and small deformation under load.

(4) polyester fiber warp knitted geogrid

Polyester fiber is selected as the raw material of high strength polyester fiber. The warp knitted directional structure is adopted, the warp and weft yarns in the fabric have no bending state between each other, and the crossing points are bound together with high-strength fiber filaments to form a firm binding point, giving full play to its mechanical properties. The high-strength polyester fiber warp knitted geogrates have high tensile strength, small extension force, large tear strength, and small difference in vertical and horizontal strength. Ultraviolet aging resistance, wear resistance, corrosion resistance, light weight, and strong locking force with soil or gravel, it has a significant effect on strengthening the shear resistance of soil and strengthening the integrity and load of soil.

(5) warp knitted polyester geogrid

Polyester fiber is selected as the raw material for warp knitted polyester geoglyph grid. The warp knitted directional structure is adopted, the warp and weft yarns in the fabric have no bending state between each other, and the crossing points are bound together with high-strength fiber filaments to form a firm binding point, giving full play to its mechanical properties. The warp knitted polyester geogress has high tensile strength, small extension force, large tear strength, and small difference in vertical and horizontal strength. Ultraviolet aging resistance, wear resistance, corrosion resistance, light weight, and strong locking force with soil or gravel, it has a significant effect on strengthening the shear resistance of soil and strengthening the integrity and load of soil.

Warp knitted dacron geoglyph is mainly used in

(a) Soft subgrade for various high-grade roads, railways reinforced isolation of different soil-based materials

(b) For bank, embankment slope reinforcement

(c) Stabilization by reinforcement of various foundations

(d) For road and bridge strengthening

The main purpose of biaxial tensile geoglage

Biaxial tensile plastic geoglage is suitable for all kinds of embankment and roadbed reinforcement, slope protection, tunnel wall reinforcement, large airports, parking lots, dock freight yards and so on. Foundation reinforcement with load capacity.

1. The bearing capacity of the road and the service life of the road are extended.

2. Prevent the road from being trapped or cracked, and keep the ground beautiful and tidy.

3. Convenient construction, time saving, labor saving, shorten the construction period, reduce maintenance costs.

4. Prevent cracks in culverts.

5. Strengthen soil slope to prevent soil erosion.

6. Reduce cushion thickness and save cost.

7. Support the stability of the slope planting mat green environment.

8. It can replace metal net and be used for false top net in coal mine.