Astra Turm, Hamburg, Germany
Type of works: supply of an Ancon tension system.
An Ancon tension system has been used to support a concrete ring weighing over 500 tonnes which, in turn, is suspended above an 80m high office block.
Ancon Germany offered significant design assistance, and supplied a 42mm Ancon tension bar system.
The project is now complete, and the tower has become one of Hamburg's landmark buildings, with the suspended ring as its distinctive feature.
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