Uniaxial Geogrid

Material:PP、PE
Feature:high tensile strength、good creep resistance、stable chemical properties
Application Field:highway subgrade, railway, tunnel, airport, port, dock
Shipping Method:logistics
Product Category:Geogrid

Uniaxial plastic geogrid is a mesh-type geotechnical material manufactured using polypropylene (PP) or polyethylene (PE) as the primary raw material, with the addition of UV inhibitors and anti-aging agents. It is produced through extrusion and unidirectional stretching processes, endowing the product with high uniaxial tensile modulus and tensile strength.

Performance

Key Properties and Characteristics of Uniaxial Geogrids

1、Exceptional Uniaxial Tensile Strength:

The uniaxial geogrid manufacturing process involves stretching in a single primary direction.This molecular alignment gives these geogrids incredibly high tensile strength along their main orientation(often exceeding 100 kN/m),while transverse strength is lower,making them perfect for applications with dominant one-directional stress.

2、Low Strain(High Modulus):

These geogrid materials exhibit a very low elongation at break(typically≤10%).This means they provide immediate,rigid reinforcement with minimal deformation under load,effectively stabilizing soil masses.

3、Outstanding Creep Resistance:

The oriented polymer structure ensures minimal deformation under long-term sustained loading.This critical geogrid property guarantees the long-term integrity and performance of permanent structures like reinforced earth walls and slopes.

4、Superior Soil Interlocking Mechanism:

The unique uniaxial geogrid structure features a network of ribs and apertures.This design promotes excellent mechanical interlock with soil particles,creating a high interfacial shear strength and a stable reinforced soil composite.

5、High Durability and Chemical Resistance:

Made from high-density polyethylene(HDPE)or polypropylene(PP),uniaxial geogrid products are highly resistant to deterioration from chemicals,abrasion,and UV exposure,ensuring a long design life in harsh environments.

6、Targeted Application Design:

Due to their directional strength,the primary application of uniaxial geogrids is in structures with clear,one-directional tensile forces.This makes them the ideal geogrid for reinforced soil walls,steep slopes,embankments,and bridge abutments.

Application

Uniaxial geogrids are primarily used for soft soil foundation treatment in highway subgrades, railways, tunnels, airports, ports, and dock engineering. They are also suitable for reinforcing pavements, embankments, and river levees, as well as for repairing and controlling landslides and collapses.

Specifications

Technical Parameters of Polypropylene (PP) Uniaxial Geogrids

projectTGDG35TGDG50TGDG80TGDG120TGDG160TGDG200
Tensile yield strength per meter in both longitudinal and transverse directions (kN/m)355080120180200
Yield elongation per linear meter in both longitudinal and transverse directions≤(%)10
The tensile force at 2% elongation per linear meter in both longitudinal and transverse directions is ≥ KN/m101226364556
The tensile force at 5% elongation per linear meter in both longitudinal and transverse directions is ≥ KN/m2228487290112

Technical parameters of polyethylene (PE) uniaxial tensile plastic geogrid

ProjectTGDG35TGDG50TGDG80TGDG120TGDG160
Tensile yield strength per meter in both longitudinal and transverse directions (kN/m)355080120160
Yield elongation per linear meter in both longitudinal and transverse directions≤(%)11.5
The tensile force at 2% elongation per linear meter in both longitudinal and transverse directions is ≥ KN/m7.512213347
The tensile force at 5% elongation per linear meter in both longitudinal and transverse directions is ≥ KN/m21.523.5406593

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