The formula I used was taken from Solutions to Design of Weldments (D810.17) - Lincoln Electric Company 1991. In fact there is an example given for a 100lb rock hitting a bumper plate assembly which is very similar to the problem I have at hand.
The use of a grizzly to reduce the height of...
I am designing a steel dump hopper / bin for an iron ore crushing plant. The hopper accepts 240 Tonne truck loads of iron ore with a maximum lump mass of 4.7 t. The bin will be constructed from steel plate which is stiffened vertically and horizontally. The horizontal stiffeners are the main...