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Basic principle of geogrid suppliers china

Basic principle of geogrid suppliers china

  • Categories:NEWS
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  • Time of issue:2020-06-23
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(Summary description)Geogrid suppliers china is a kind of three-dimensional mesh grid structure which is made of REINFORCED HDPE sheet material and welded with high strength. It is usually made by ultrasonic needle welding. Due to the engineering needs, some holes are drilled on the diaphragm, and the more commonly used ones are welded geogrid.

Basic principle of geogrid suppliers china

(Summary description)Geogrid suppliers china is a kind of three-dimensional mesh grid structure which is made of REINFORCED HDPE sheet material and welded with high strength. It is usually made by ultrasonic needle welding. Due to the engineering needs, some holes are drilled on the diaphragm, and the more commonly used ones are welded geogrid.

  • Categories:NEWS
  • Author:
  • Origin:
  • Time of issue:2020-06-23
  • Views:0
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Introduction to geogrid suppliers china

Geogrid suppliers china is a kind of three-dimensional mesh grid structure which is made of REINFORCED HDPE sheet material and welded with high strength. It is usually made by ultrasonic needle welding. Due to the engineering needs, some holes are drilled on the diaphragm, and the more commonly used ones are welded geogrid.

Characteristics of geogrid suppliers china

1. It has the advantages of flexible expansion, collapsible transportation and stacking. During construction, it can be tensioned into a network, filled with loose materials such as soil, gravel and concrete, forming a structure with strong lateral restriction and large rigidity.

2. It is light, wear-resistant, chemical stability, light and oxygen aging resistance, acid and alkali resistance, suitable for different soil and desert conditions.

3. High lateral limit and anti-skid, anti deformation, effectively enhance the bearing capacity of the subgrade and disperse load.

4. Changing the height and welding distance of geogrid can meet different engineering needs.

5. Flexible, small transportation volume, convenient connection and fast construction.

Basic principle of geogrid suppliers china

The basic principle of geogrid should also be mentioned. Its principle is described in foreign literature as "a honeycomb three-dimensional restriction system, which can significantly improve the performance of ordinary filling materials in load-bearing and pest control applications in a wide range." Its key principle is three-dimensional restriction. As we all know, when the car is driving in the desert, it will press out two deep ruts, and the pressed part will sink deeply, and both sides of the ruts will rise high. If the rear vehicle continues to move along the ruts, the sunken part will further sink, and the raised part will further rise until the raised part rubs against the chassis of the vehicle, and the sunken ruts bury most of the wheels, so it cannot move forward. The reason is that when the external load acts on the foundation surface, according to Prandtl's theory and Taylor's theory, under the action of concentrated load, the active zone 1 will be compressed and sink, and the force will be decomposed and transferred to the transition zone 2 to both sides, and the transition zone 2 to the passive zone 3, and the passive zone will be deformed and uplifted without restriction.

Geogrid suppliers china product features:

1. It can be expanded freely, transported and folded, tensioned into a network during construction, filled with loose materials such as soil, gravel, concrete, etc., forming a structure with strong lateral restriction and large rigidity.

2. It is light, wear-resistant, chemical stability, light and oxygen aging resistance, acid and alkali resistance, suitable for different soil and desert conditions.

3. High lateral limit and anti-skid, anti deformation, effectively enhance the bearing capacity of the subgrade and disperse load.

4. Changing the height and welding distance of geogrid can meet different engineering needs.

5. Flexible, small transportation volume, convenient connection and fast construction.

In other words, once the load acts on the subgrade, a wedge-shaped active area will be formed under the load, which will be squeezed through the transition area, so that the passive area will be uplifted. That is to say, the bearing capacity of the foundation is determined by the shear force along the sliding line and the force in the active, transitional and passive areas. Not only can we clearly understand the real process of the above principle on the sand base, but also we can find this kind of model on the soft foundation highway, only the formation rate is slower than the change on the sand. Even the better subgrade material can not avoid its lateral movement. Generally, the subgrade of expressway is several meters higher than the ground, so it is not easy to absorb water and turn slurry, but the long-term settlement still exists. Among them, rainwater infiltration, material loss and base subsidence are some of the reasons. Under the long-term rolling and vibration of the wheel load, the lateral displacement of the material to both sides of the subgrade section is another very important reason. Taking the highways of all levels in our province as an example, we can clearly feel that the road surface has been pressed out of a "s" shaped ditch belt on the main carriageway of the road. Some expressways are no exception. The bumps of cars driving in the carriageway are obviously stronger than those driving in the overtaking belt, especially in the road bridge connection section (commonly known as "jumping at the bridge head"). This kind of settlement is a typical example of lateral sliding of subgrade materials.

Geogrid suppliers china components

Geogrid is a net grid structure formed by high-strength HDPE or PP copolymers with wide band and strong welding or riveting. It can be retracted and folded freely during transportation, opened and filled with earth rock or concrete materials during use, forming a structure with strong lateral restriction and large rigidity. It can be used as a cushion to deal with the soft foundation and increase the bearing capacity of the foundation. It can also be laid on the slope to form a slope protection structure, and it can also be used to build a retaining structure.

Main uses of geogrid suppliers china

1. It is used to stabilize highway and railway subgrade.

2. It is used for dike and shallow water channel treatment which bear the load of gravity.

3. The mixed retaining wall is used to prevent landslides and loaded gravity.

4. In case of soft foundation. The use of geogrid can greatly reduce the labor intensity of construction, reduce the thickness of subgrade construction speed, good performance, greatly reduce the project cost.

 

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