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Projects

Stack Windshield, Gladstone

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Project data

Location: Gladstone, Australia

The first stage of the refinery will produce 1.4 million tonnes of alumina per year using bauxite from Comalco’s Weipa mine in North Queensland.

  • Wind Shield Height: 117m above the footing
  • Outside diameter of the wind shield: 8.15m
  • Pour height: 2.35m
  • Wall thickness: 500 mm for the first 8 pours (19m) 
  • Wall thickness: 250 mm over two pours 

Requirements

  • Continuous support provided for the construction management during the whole execution phase

Customer

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Customer's benefit

  • Once the ACS-R was installed, a cycle time of 24 hours was achieved with the form able to be climbed once a concrete strength of 8.8MPa was reached.
  • A crew of only 6 men were able to strip, jump, close the forms and pour in less than 11 hours.

PERI solution

  • The taper on the inside face necessitated the use of CB platforms for the first 10 pours.
  • The ACS-R was also installed to the internal walls.

PERI systems in use