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...
Preston, Idaho, is a small town whose main street was in need of repaving. The owner, the Idaho Transportation Department (ITD), and its contactors were looking for an intelligent pavement solution with lasting results, but were cautious about using pavement interlayers...Read More
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With 38 years' experience in the geosynthetics industry and a long-standing commitment to the environment, our highly qualified staff can assess your needs and work with you to determine the best solution for the challenge you're facing.
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