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Geopier - X1 System for Soil Stabilization
The Geopier X1 System is engineered to provide efficient ground reinforcement and soil stabilization solutions, focusing on non-caving soils that stay open during drilling and clean sands for ground displacement. This innovative 'drill and fill' approach employs a track-mounted auger for removing unsuitable soils and a specialized mandrel on a mast rig to construct Rammed Aggregate Pier (RAP) elements. These elements form dense columns of aggregate encased in a stiffened soil matrix, delivering enhanced settlement control and increasing bearing capacity. The system is particularly notable for its faster construction due to the advanced equipment used, including a patented tamper for installation. This system is designed for a range of applications including commercial warehouses, residential structures, government facilities, and more, offering a robust solution for projects requiring advanced soil stabilization.
The Geopier X1 system is our newest “drill and fill” solution. This system is ideal for non-caving soils that stay open during drilling but can also be used as a ground displacement system in clean sands. Geopier X1 piers are constructed using a track-mounted auger to drill out unsuitable soils and a specialty mandrel mounted to a mast rig to construct the Rammed Aggregate Pier® (RAP) elements. The specialty mandrel and larger equipment allows for significantly faster and cheaper pier construction. The end result is a dense column of aggregate surrounded by stiffened matrix soils that provide excellent settlement control and allow for higher bearing capacities.
- Non-caving soils such as clays, silts, and sands with high fines content
- Clean sand profiles
- Organic soils using cemented treated aggregate (CTA)
The Geopier X1® installation process consists of drilling out unsuitable soils to a desired design depth and then constructing a dense column of aggregate using a patented tamper. The pier is constructed in 3-foot-thick lifts using well-graded aggregate, open-graded aggregate, or sand. The installation process imparts significant lateral pressures into the adjacent matrix soil, which creates excellent coupling and stiffens the soil.