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79 River Lane
Cambridge
CB5 8HP
Cambridgeshire
Vereinigtes Königreich

InnoTrans 2018
  • Railway Infrastructure Railway Infrastructure

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Produktbeschreibung

RailMeasurement’s RCA measures irregularities, in particular rail corrugation, from a vehicle. The RCA was initially designed for use on grinding trains at typical speeds of 3-15km/h. More recently versions of the RCA have been made to work over the speed range of 0.5km/h (on a milling train) to 50km/h (on a hi-rail vehicle, where the equipment is used to help programme rail grinding). The equipment has been designed with the user in mind, to provide concise information that is relevant to reprofiling.
The RCA has been used in the following areas:
  • Rail reprofiling
  • Corrugation surveys
  • Measurement of irregularities, particularly those that are relevant to ground-borne noise and vibration
We regard validation of all of our equipment, including RCAs, as being of fundamental importance. For this reason we have developed traceable validation procedures for the RCA. In one case it was demonstrated that a train-based RCA provided more repeatable measurements than hand-held equipment from another supplier that had been used to provide a datum.
RCAs are CE-marked: they comply with all of the relevant European Standards.

RCAs have been used routinely for more than a decade on grinding trains in service. These have required minimal maintenance and still provide measurements to the standards met originally by the equipment.

RML recently supplied HS2 in the UK with measurements from an RCA on a grinding train that have been used to predict wheel/rail noise. These measurements were not only of sufficiently high standard but were also the only measurements of sufficient quality and length available.

In 2017, RML won a contract in open competition to supply Crossrail in the UK with equipment for their Infrastructure Monitoring Vehicle (IMV). This equipment will be delivered in summer 2018 and used routinely to demonstrate that irregularities on the track comply with Crossrail's extremely demanding requirements, to a wavelength of 2m, which are required in order to limit ground-borne noise and vibration from the track.

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