tower cranes

mreeman | 17:20 Sat 10th Aug 2002 | How it Works

2 Answers

how are tower cranes erected?

Answers

1 to 2 of 2

Best Answer

No best answer has yet been selected by mreeman. Once a best answer has been selected, it will be shown here.

The top part is constructed first at ground level then the crane builds itself by lifting itself up and a new section is inserted and so on.

If you go to How stuff works they show you how it goes together, which is by building it with a special cradle which sits under the booth.

1 to 2 of 2

Do you know the answer?