Stress measurements on barrel of 100-tonne GLW Shell-Mex & BP tank wagon No 7789 (TM-FM-79)

Circumferential cracking of a barrel has been reported on a Shell-Hex & BP 100 tonne tank wagon. The failure took place on the top of the barrel (compression surface) and approximately midway along the length of the vehicle. Since the results of such a barrel failure in traffic could reach...