British rail - track sub-ballast, England - Case Study


Courtesy of Presto Geosystems

Soft sub-soils created problems for the highspeed British Rail Eastern Region rail line in Northumberland, England. Rail speed on the Intercity line from Edinburgh to London had to be significantly reduced because of the soft peat sub-base. The GEOWEB cellular confinement system was installed to stabilize the sub-ballast over soft soils, reduce subsoil movement by stiffening the sub-ballast and greatly reduce maintenance costs. Stabilization with the GEOWEB system resulted in better track performance and savings many times over traditional reinforcement methods. The GEOWEB system has proven to be the cost effective solution to the most demanding track stabilization problems.

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