Geocell Soil Stabilization/ Geocell Load Support
Problem
Poor load-bearing soils pose a significant problem for transportation and construction needs. Soil stabilization for unpaved areas, such as access roads, maintenance roads, parking lots, subgrade improvement, etc can be highly vulnerable to near-surface shear failure and rutting, especially in moist conditions or areas with higher expected loads. For road base stabilization typically, engineers bridge over weak soils with rigid structures such as thick, reinforced concrete for roads and highways. However, such techniques are prohibitively expensive and inordinately difficult to install.
From an environmental viewpoint, hard-pavement, as an impervious surface, is far more harmful for the environment than a porous surface. If the environment is a primary concern for the construction application, then a pervious solution should be considered.
Solution
Geocell provides a direct, cost-effective solution. The high-strength cell walls maintain the shape and integrity of the structure, allowing for heavy equivalent axle loads without fear of lateral movement of the fill material. The cellular design of Geocell also distributes the loads to an extended area, thus reducing the stress to the grid itself as well as to the sub-grade below. The thickness of the overall framework and sub-base can be decreased with equivalent or greater structural integrity. In most cases, the Geocell ground grid solution can reduce a typical cross-section to 1/3 of the original design. This can also create pavement reduction due to the higher base structural value.
Using Geocell ground grid for road base reinforcement also allows for lower quality aggregates found locally, eliminating the need to import better or more material. Compact sections of geocell filled with sandy soil can thus replace truckloads of crushed stone or other granular fill or even asphalt or concrete. The geocell grid can also be used as the form for geocell reinforced concrete.
For certain applications, the Geocell ground grid can be used in conjunction with other geosynthetic materials such as geotextiles, biaxial grids, triaxial grids, geogrids, and geomembrane liners.
How does Geocell work on soil stabilization projects?
The Geocell soil stabilization system is a highly effective, economical solution to road surface problems that result from subgrade material failure or surface/base material instability. This 3D cellular confinement system reduces vertical differential settlement into soft subgrades, improves shear strength, and enhances the load-bearing capacity. It also can prevent the lateral displacement of infill and reduces vertical deflections even on low-strength subgrades while reducing the amount of aggregate material required to extend the service life of roads.
1, Increases layer strength, reduces base layer thickness and wearing course.
2, Distributes loads laterally and reduces vertical deflection and subgrade contact pressures.
3, Controls shearing and lateral movement of the coarse and permeable infill material.
4, Simple installation, all-weather suitable, fast and convenient.
5, Use of less expensive granular non-cohesive materials. These are sometimes found on site and would not need to be trucked to the project.
6, Significantly minimizes surface rutting, increases lifespan, reduces repairs, maintenance cycle.
7, With open aggregate infill, reduces stormwater runoff.
Where to use?
Typical Applications:
Railway/ Highway /Roadway shoulders
Track ballast and sub ballast structures
Permanent and temporary site access roads
Paved and unpaved roads
Intermodal/port facilities
Parking lots
Transportation/ container storage yards
Foundation mattresses and pipeline protection
