EnviroGrid<sup>®</sup> Geocell

EnviroGrid® Geocell

It is well known that an ideal soil material for use in civil engineering applications is one that compacts well and drains water freely. The problem is that the better draining soils are difficult to confine in place. Geo Products EnviroGrid® cellular confinement system provides a solution.

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EnviroGrid is a unique structure consisting of strips of High Density Polyethylene (HDPE) welded together forming individual honeycomb-shaped cells.  It is available in 3 different cell sizes (EGA20, EGA30, & EGA40) along with various cell heights (3”, 4”, 6” & 8”).  EnviroGrid can be filled with various aggregates, concrete, and even native soils that can be vegetated.

Benefits of the EnviroGrid Cellular Confinement System:

  • Reduce Fill Required – With the use of EnviroGrid, fill quantity can be reduced by up to 70% while maintaining or improving bearing capacity. This saves time, transport, and material costs.
  • Eliminate Rutting – Prevent the lateral movement of infill.  Lower quality fill materials can often be used since they are contained within the cells.
  • Support Heavy Loads – Improve the bearing capacity of subgrade soils and extend the life-cycle of the road.
  • Quick & Simple Installation - Easily installed without specialized equipment or crews.
  • Utilize Local Fill – Most local soils can be used as fill minimizing transportation costs and installation time.
  • Perforated Cells – Allow water to drain freely through permeable aggregates.

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Slope Stabilization

By simply using onsite non-cohesive soils or sand, EnviroGrid can reduce the amount of aggregate required to stabilize a poor load bearing soil by up to 65%. By confining the infill material within the connected cells, the system prevents lateral movement of that infill. The panel acts like a large mat, distributing applied loads over an extended area. Due to the high costs and environmental concerns of mining and hauling quality aggregates, engineers are specifying EnviroGrid to save money and the environment in many ground stabilization projects.

Slope Erosion Control

EnviroGrid placed on slopes in excess of 2:1 will hold your fill material in place. Based on the site specific application, EnviroGrid can be filled with angular rock, concrete,or native soils that can be vegetated allowing for deep root growth. The cell walls slow the flow of water down the slope or in areas affected by wave action reducing the formation of rills which are a major cause of soil erosion. EnviroGrid has also been proven as a solution for holding soil on geomembrane liners or covers.


Retaining Walls

In very steep slope applications where it is not feasible to place EnviroGrid panels on the slope face, soils can be retained with an EnviroGrid vertical wall structure. Filled with local soils, EnviroGrid can be used in both cut and fill situations by holding the soil in place and providing drainage throughout the structure. The outer cells of an EnviroGrid retaining wall can be vegetated providing an environmentally pleasing look.

Channel Protection

EnviroGrid is successful at protecting channels by counteracting various flow velocities. EnviroGrid replaces traditional wooden concrete forms, providing a flexible confining structure that conforms to irregular channel subgrades holding the concrete in place reducing cracking.




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