Railway Ballast Stabilization with Geocell at Bridge Approaches

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A portion of a railway track in Fort Lauderdale, Florida had been a high maintenance area for many years due to the impact loads from rail cars transitioning off of a concrete bridge abutment onto ballasted concrete ties. The ties were located over soft subgrade, which had exhibited a history of pumping. The rail operator, Florida East Coast Railway, sought a ballast stabilization solution to corr... »

Geocells Excel in Track Ballast Research Study

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Oregon State University’s Dr. Ben Leshchinsky, P.E. and the University of Kansas’s Dr. Jin Han, P.E. recently combined their wealth of geosynthetics knowledge in a track ballast research study. Specifically, they evaluated the performance of a high-density polyethylene geocellular system (HDPE GEOWEB® from Presto Geosystems) in a railway base stabilization system. The rigorous track testing quanti... »

VIDEO: Performance of Geogrids in Track Ballast Applications

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Tensar’s “Keeping You in the Know” video series is a Q&A influenced campaign. Here in its third video, Stabilisation Systems expert Mike Horton (Tensar International Limited) tackles the question: “What evidence is there that TX190L outperforms biaxial geogrids in track ballast?” “Tensar’s geogrids have been used to stabilize rail ballast and sub-balla... »