Uniaxial Geogrid

 

As a leading uniaxial geogrid manufacturer in China, we specialize in the design and production of high-strength polymer geogrids for soil reinforcement applications. Our factory is equipped with advanced extrusion and stretching lines, ensuring consistent tensile strength and long-term durability. We provide OEM and custom supply services, offering tailored apertures, roll sizes, and performance grades to meet project-specific requirements. With strict quality control, international standards compliance, and stable global supply capability, we are a reliable partner for infrastructure and civil engineering projects worldwide.

This guide presents key principles of uniaxial geogrid construction and engineering applications in reinforced soil structures. It covers installation methods, soil–geogrid interaction, and performance considerations for retaining walls, slopes, and embankments, serving as a practical reference for civil and geotechnical engineers. 

 

1. Applicable Project Types

Uniaxial geogrids are mainly used in reinforced soil structures that withstand uniaxial tensile forces, including retaining walls, steep slopes, embankments, and bridge abutments.

2. Pre-construction Preparation

Confirm the geogrid strength grade, laying direction, and layer spacing according to the design documents.

Clean the substrate, ensuring the surface is flat and free of sharp objects.

Inspect the appearance of the geogrid; it must not be damaged or show signs of aging.

3. Laying Requirements

The direction of force must be consistent with the design tensile direction.

The laying should be straight and wrinkle-free, maintaining appropriate tension.

The overlap of adjacent geogrids should meet design or specification requirements.

4. Backfilling and Compaction

The backfill material should meet the design gradation requirements.

Backfilling should be carried out in layers to avoid direct compaction of the geogrid by construction machinery.

Each layer should achieve the specified compaction degree.

5. Connection and Anchoring

Anchoring or reliable connection to the panel should be carried out at retaining walls or slopes according to the design.

Ensure continuous stress and avoid local stress concentration.

6. Construction Precautions

Avoid prolonged exposure to sunlight.

Heavy equipment should not be driven directly on the geogrid.

Replace any damaged geogrids promptly.

7. Application Effects

Proper construction can significantly improve the overall stability of the soil, control deformation, and extend the service life of the structure.

This guide presents key principles of uniaxial geogrid construction and engineering applications in reinforced soil structures. It covers installation methods, soil–geogrid interaction, and performance considerations for retaining walls, slopes, and embankments, serving as a practical reference for civil and geotechnical engineers.

Item / Specification	W-35	W-50	W-80	W-120	W-160	W-200
Tensive Yield Strength per Meter (KN/m)	≥35	≥50	≥80	≥120	≥160	≥200
Tensive Force at 2% Elongation (KN/m)	≥10	≥12	≥26	≥36	≥45	≥56
Tensive Force at 5% Elongation (KN/m)	≥22	≥28	≥48	≥72	≥90	≥112
Ultimate Creep Strength (KN/m)	≥15	≥21	≥30.2	≥41	≥49	≥64

 

Technical parameters of polypropylene (PP) uniaxial geogrid

 

Item / Specification	W-35	W-50	W-80	W-120	W-160
Tensive Yield Strength per Meter (KN/m)	≤35	≤50	≤80	≤120	≤160
Tensive Force at 2% Elongation (KN/m)	≥7.5	≥12	≥21	≥33	≥47
Tensive Force at 5% Elongation (KN/m)	≥21.5	≥23	≥40	≥65	≥93
Ultimate Creep Strength (KN/m)	≥16	≥21	≥31	≥46	≥60