Pandrol has a range of indirect baseplate solutions for all types of bridges.
Bridges come in all shapes and sizes and therefore require a flexible rail fastening system to accommodate the various requirements for fixation, whether that be on timber/FFU bearers or direct to steel or concrete structure.
We also provide solutions for track structure interaction in the form of low toe load or zero toe load fastening systems which are designed deal with potentially high forces being transferred from the rail to the structure. Pandrol have a capability to model the longitudinal forces and provide support and recommendations accordingly.
Some of the Pandrol products can provide zero longitudinal restraint (ZLR) capability which can allow the rail to move longitudinally without transferring any load to the structure. This can provide the opportunity to separate the rail expansion joints and structural expansion joints to different locations for improved safety.
Ballasted track on bridges can generally be considered as plain line track although for very long structures some consideration for track structure interaction may be required.
The nature of bridges can often lead to secondary noise from elements of the bridge structure which may resonate as a result of vibration from the passing train. To deal with this Pandrol provides several options from high to very low attenuation systems.
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