THE STRAIGHT LINE DERAILMENT OF RAILWAYS MOTOR
VEHICLES DUE TO CLIMB UP OF THE DRIVING WHEEL
OVER THE RAIL
The derailments due to climb up of the driving wheel onto the top of
the railhead are between the most common causes of railway accidents. Wheel
flange climb derailments occur in situations where the wheel experience a high
lateral force Y, or when vertical force Q is reduced on the flanging wheel and
Nadal’s Y/Q ratio limit is exceeded for a certain time duration limit.
Cuvinte cheie: deraiere, raport de deraiere, pseudoalunecare, sarcina
pe roată, forţa laterală
Keywords: derailment, relative to derailment, slips the false, task force
on the wheel side, lateral force
