Lifting a machine with two crane and a beam?
Each crane capacity is 12500 Kg
The lenght of beam is 4.5m and square cross section area
Material of beam is ASTM A 615 Gr60
Machin connect to beam in 3 point
What is the beam cross section area dimension?
Answer:
You left out crucial information and working it out with risky assumptions takes too much work.
Whatever this was supposed to mean
"Machin connect to beam in 3 point"
What is missing is whether the cranes connect to the end and the entire weight of the machine is in the middle - or is the machine attached at 3 distributed points.
In addition, there has to be some condition - looking at the ASTM spec will give strength, but you have specified whether the beam is to be just at failure or 50% safety factor, etc.
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