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Cranes

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FionaS | 13:46 Mon 08th Jul 2002 | How it Works
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How are cranes erected by cranes smaller than the ones being built?
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Avatar Image rekstout
If you are talking about tower cranes, they are built in sections, starting with the top, thecompleted sections are rised hydraulically and a new upright section is inserted and secured at the bottom, the process is repeated until the desired height is achieved.
12:12 Tue 09th Jul 2002

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Cranes

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