Oleo were approached by Network Rail to design a bespoke hydraulic Buffer Stop for Platform 4 at Clacton Station. The standard approved friction buffer stop requires in excess of 8m installation space whereas the total available installation length was restricted to
just 4.5m.
Installing the friction buffer stop solution would have required substantial infrastructure works, including extending the track onto land not owned by Network Rail and re-routing a public road.
The Buffer Stop was required to absorb all kinetic energy from a 10 km/h impact involving a Class 720 train comprising 10 cars with a total mass of 501.80 MT, ensuring the train could be brought to a controlled stop and prevented from overrunning the available installation
length of 4500 mm.
DigitalTrains™ simulation software was used to analyse the response of the Class 720 train impacting the Oleo Buffer Stop, which is a Fixed Hydraulic solution fitted with 3 X Type 712 hydraulic buffers.
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