TENSAR International will use Railtex to unveil the results of research into stiff polymer geogrids which has been undertaken by Network Rail and the University of Nottingham.Full-scale testing at the university looked at the influence of grid properties such as stiffness and aperture size, showing that significant reductions in track maintenance costs are possible through the use of large-aperture grids such as the SSLA range from Tensar International. The research was backed up through independent trials on Britain’s West Coast Main Line, monitored by Network Rail’s high speed track recording train.n

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