Prevention of aerial tramway failure by safety factors?
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In December 1996, an accident occurred on a cableway which caused the death of one passenger and injuries to several others. The cause of the tragic accident was the unexpected failure of the axle that carries the deflecting wheels for the wire rope. During the course of the official investigation it was demonstrated that the failure was due to a fatigue crack that had already propagated through a large portion of the cross- section. This fatigue crack had been initiated by fretting. Furthermore, it was found that safety factors prescribed by the regulations for cableways had not sufficiently ...