Lonavala (Maharashtra) [India], September 27 : As many as two coaches of the Indore-Daund special train derailed at Maharashtra’s Lonavala station while entering the platform, informed Chief Public Relations Officer (CPRO) Central Railway.As per the officials, no casualties or injuries have been reported.
2 trolleys of rear 2 coaches ( 2nd and 3rd last ) of Indore- Daund special train derailed. This was at Lonawala station while entering the platform. No casualties or injury happened. Railway Relief van is reaching the spot shortly.
In railroading, derailment occurs when a rail vehicle such as a train comes off its rails. Although many derailments are minor, all result in temporary disruption of the proper operation of the railway system. They are a potentially serious hazard.
A derailment happens by a collision with another object. An operational error (such as excessive speed through a curve), the mechanical failure of tracks (such as broken rails. Also the mechanical failure of the wheels, among other causes. In emergency situations, deliberate derailment with derails or catch points is sometimes prevents more serious accident.
The running gear — wheelsets, bogies (trucks), and suspension — may fail. The most common historical failure mode is collapse of plain bearings due to deficient lubrication, and failure of leaf springs; wheel tyres are also prone to failure due to metallurgical crack propagation.
Modern technologies have reduced the incidence of these failures considerably, both by design (specially the elimination of plain bearings) and intervention (non-destructive testing in service).
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