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Zinga on Railways

Rail corrosion, particularly at the base of the rail, is a serious problem in railway transit systems. Rail base corrosion compromises the integrity of the rail and could result in catastrophic failures.

Modern railway systems are subject to use with fast trains and large loads. The primary requirement is structural integrity, which determines the suitability of steel for rail track applications. It depends on interactions between engineering parameters, material properties, and the environment.

Corrosion of rails has been recognized as one of the serious causes of damage to the railway tracks. The corrosion of rail along with cyclic loading may lead to corrosion fatigue failure of the railway track. Cases of failure of rails have come to light at loads much below the safe load mainly due to deterioration of rail as a result of corrosion.

Railway track comes close to different environments during its service life, like the seacoast environment, various humidity of the atmosphere, the different temperatures of the atmosphere, and the tunnel area, which is acidic in nature. Strength of rail material changes with the change in atmosphere.

A rail coated with ZINGA can withstand harsh coastal conditions or railway tunnels with high conditions, expanding the lifetime of railway tracks.

Project References:

  • Australia: Corduroy Bridge, Queensland Rail Bridges
  • China: Maglev Transrapid Railway, Yuehai Passage Train Terminal, Chongqing Monorail
  • Belgium: Cita Railway Wagon, De Lijn Electricity Poles
  • Cameroon: Camrail Wagons
  • Togo: SNPT Railway Bridge
  • France: SNCF
  • Brazil: Dorbras Railway Company
  • United Kingdom: London Underground
  • Saudi-Arabia: Mashair Railway
  • Romania: Rompetrol

Zinga Vietnam on Railways vivablast

Key Project: Rompetrol (Romania)

In November 2009, ZINGA was used to protect 70 railway freight carriages from ‘Rompetrol’ against corrosion.

The wagons are used for bulk transport of coal or sulfur.

On each of these 70 railway wagons, 80 kg of ZINGA was consumed. 120um DFT in 2 coats of each 60 um DFT were applied by airless spray gun by the contractor ‘General Navorep’.

Whilst the original coating failed within 6 months after application, the ZINGA system was evaluated after 1 year and was in excellent condition.

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