I mean, yesterday I was walking in the city when I saw a huge crane installed in a field without other buildings or construction near of it. That thing was higher than anything around.
I still can’t understand how they are build. Please help.
In: Engineering
Really big cranes tend to be self-assembling.
We have the top of the crane. Below it is a scaffold/climbing section.
This climbing section has a mechanical arrangement that allows it to lift itself to the top of the crane mast, then the crane lifts up another mast segment, the segment is lifted into the scaffold/climbing section, bolted to the mast and then the scaffold uses that section to lift itself even higher.
[Like this](https://www.youtube.com/watch?v=vx5Qt7_ECEE)
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