Fatigue Cracking
In 2009 the D class tram fleet had to undergo structural strengthening to prevent the spread of metal fatigue in the trams aluminium frame, including removal of seats to make room for the required strengthening work, leaving D1 class trams with 32 seats and D2 class trams with 56.
Read more about this topic: D-class Melbourne Tram
Famous quotes containing the words fatigue and/or cracking:
“Croft had an instinctive knowledge of land, sensed the stresses and torsions that had first erupted it, the abrasions of wind and water. The platoon had long ceased to question any direction he took; they knew he would be right as infallibly as sun after darkness or fatigue after a long march.”
—Norman Mailer (b. 1923)
“Hume’s doctrine was that the circumstances vary, the amount of happiness does not; that the beggar cracking fleas in the sunshine under a hedge, and the duke rolling by in his chariot; the girl equipped for her first ball, and the orator returning triumphant from the debate, had different means, but the same quantity of pleasant excitement.”
—Ralph Waldo Emerson (1803–1882)