How to Choose Geocell Height and Welding Distance
Choosing the correct geocell height and welding distance is one of the most important steps in geocell design. Different project types such as road construction, slope protection, and load support require different geocell specifications. Proper selection not only ensures project quality but also reduces construction costs.
In this guide, we will explain how to select the right geocell height and welding distance based on engineering applications.
What Is Geocell Height?
Geocell height refers to the height of the geocell when expanded. It determines the thickness of the confinement layer and directly affects the load-bearing capacity and stability.
Common Geocell Heights
| Geocell Height | Application |
|---|---|
| 50 mm | Walkways, landscaping |
| 75 mm | Parking areas |
| 100 mm | Normal roads |
| 150 mm | Heavy load roads |
| 200 mm | Soft soil foundation |
What Is Geocell Welding Distance?
Geocell welding distance refers to the distance between two welding points. It determines the cell size of the geocell.
Common welding distances:
330 mm
356 mm
400 mm
445 mm
660 mm
Smaller welding distance → smaller cell → stronger confinement
Larger welding distance → larger cell → lower cost
How to Choose Geocell Height and Welding Distance for Different Applications
| Road Type | Height | Welding Distance |
|---|---|---|
| Temporary road | 75–100 mm | 356–445 mm |
| Normal road | 100 mm | 356–445 mm |
| Heavy load road | 150 mm | 356 mm |
| Soft soil road | 150–200 mm | 330–356 mm |
Slope Protection
| Slope Type | Height | Welding Distance |
|---|---|---|
| Gentle slope | 75 mm | 445 mm |
| Medium slope | 100 mm | 356–445 mm |
| Steep slope | 150 mm | 330–356 mm |
Choosing the correct geocell height and welding distance depends on three main factors:
Load (traffic load)
Soil condition
Project type
In general:
Higher geocell height = higher load capacity
Smaller welding distance = stronger confinement
Soft soil requires higher geocell and smaller welding distance
Proper geocell selection can reduce project cost, improve road performance, and extend service life.
