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TALL STRUCTURES Case Study

Emirates Spinnaker Tower

Slipform Construction of Concrete Tower Support Legs

The two main concrete support legs for this dramatic 160 meter tall observation tower overlooking Portsmouth Harbor are hexagonal in section.

The cross sections of the legs taper as they get higher and then join into one tower section for the top 50 meters of the structure. The cross sections of the legs are hollow, with one housing the internal passenger lift and the other a full height internal staircase.

The construction of the Spinnaker Tower legs is widely regarded as one of the most difficult slipform operations carried out in the UK to date.

Project Data


Project Name:
Portsmouth Harbour Redevelopment
Location:
Portsmouth, England
Installation:
Slipform Construction of Unique Support Legs for 560-foot (170 m) Landmark Observation Tower
Owner:
Emirates / Portsmouth City Council
Completion:
2002

proyecto detalle

proyecto detalle