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Article | REF: TBA630 V2

GMA and GME tower cranes

Author: Pierre SERIN

Publication date: May 10, 2025 | Lire en français

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1. Features

1.1 Definitions

Cranes used in the construction industry fall into three families: GMEs, GMAs and luffing jib cranes, whose installation and use differ according to their characteristics.

  • GME (modular cranes)

    Rotation of the rotating part, the boom, is ensured by a slewing ring (or sometimes pivot, figure 1 ) which is placed at the top of the shaft or mast, fixed (or able to move in one direction).

    The GME crane family (figures 1 and 2 ) includes...

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