Often poor subgrade soils do not possess the strength to support trackbed construction activities and the subsequent AREMA requirements. Installed at the bottom of the sub-ballast, Nilex’s subgrade separation and stabilization geosynthetic materials help distribute imposed loads more efficiently over the underlying subgrade, leading to a reduction in the required sub-ballast layer thickness.
Including Nilex’s geogrid and geotextile products in trackbed design improves the subgrade support – and ultimately the lifespan of the structure – by reducing and spreading the stress on the weak subgrade.
The EnviroGrid cellular confinement system (geocell) is produced from High Density Polyethylene (HDPE) and has three dimensional cells that contain, confine and reinforce a variety of fill materials including native fill, topsoil, granular or concrete. This material has excellent resistance to...
Like all cities, Castle Pines, Colorado, needs to ensure its roadway rehabilitation budget covers as many miles as possible. The choice of reinforcing material for this work affects costs directly as well as the labor and equipment required for site preparation and installation. The City’s...Read More
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