"Since the section of rail after the break would not be acting in unison with the section before it, a step would momentarily form between the two sides of the fracture, which would strike the wheel rim. Given the available information, the report added: We can hypothesise that the rail fracture occurred prior to the passage of the Iryo train involved in the accident and therefore prior to the derailment."
"Two days after the Adamuz accident, a train driver was killed and 37 people were injured when a train was derailed by the collapse of a retaining wall near Gelida in Catalonia. The two deadly events have led Semaf, Spain's largest train drivers' union, to call a three-day strike in February to demand measures to guarantee the safety of railworkers and passengers. Semaf said industrial action was the only legal avenue left for workers to demand the restoration of safety standards"
An Iryo high-speed train derailed near Adamuz after colliding with an oncoming Renfe high-speed train, killing 45 people and injuring dozens. Investigators from the Rail Accidents Investigation Commission (CIAF) found nicks on the right-hand wheels of the Iryo train's three front carriages and deformation of the rail consistent with a fracture. A fractured rail with interrupted continuity could cause the section before the break to sag and form a momentary step that strikes the wheel rim, causing derailment; investigators hypothesise the fracture occurred prior to the train's passage. A separate derailment near Gelida killed one and injured 37, prompting Semaf to call a three-day strike in February to demand safety measures.
Read at www.theguardian.com
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