Recently a large Crane fell in Tampa and caused a lot of damage. I heard people say it was “rated” for wind speeds that were less than the wind speeds of the recent hurricane. How can it be measured down to certain winds speed, as in, 100 MPH is safe, but 130 MPH is not safe?
In: Engineering
I’m an engineer but not an elevated crane one.
However if I was asked to I have a few tools. One is too look at the published charts on the drag ( forced) vs wind speed made by other engineers test data. I can the estimate the bending moment applied to the tower vs the strength of the material is made from.
If want to be really accurate I can put a cad model of the crane into a software called FEA (finite elemental analysis) and run an analysis called CFD (computational fluid dynamics) the simulate the wind blowing over the tower along with the force and stress it creates.
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