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Dr. Nick Thom - Articles and news items

Predicting deterioration in track condition

Issue 1 2009, Past issues / 23 January 2009 /

With ballasted trackbed here for the foreseeable future, Dr. Nick Thom looks at ways of predicting the rate at which it deteriorates and the factors that affect it.

Ballast Reinforcement: a new vision or just a mirage?

Issue 2 2008, Past issues / 8 April 2008 /

Despite modern railways being at the forefront of technologies such as power transmission, signalling, control systems and vehicle dynamics, there is one element which is stuck firmly in the Stone Age – the trackbed. It is true that some tracks are being designed and built with concrete or asphalt bases, but for good economic reasons, the overwhelming majority of railways are set to remain bedded in stone.

 

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