Arena Fonte Nova, Brazil: low prestress for a lightweight roof

Author: Jorge Chenevey, Yu Hui and Mathias Kutterer

Date published

24 October 2014

Price

Standard: £9.95 + VAT
Members/Subscribers: Free

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Arena Fonte Nova, Brazil: low prestress for a lightweight roof

Tag
Author
Jorge Chenevey, Yu Hui and Mathias Kutterer
Date published
24 October 2014
Price

Standard: £9.95 + VAT
Members/Subscribers: Free

The Structural Engineer
Author

Jorge Chenevey, Yu Hui and Mathias Kutterer

Citation

The Structural Engineer, Volume 92, Issue 11, 2014, Page(s) 10-16

Date published

24 October 2014

Author

Jorge Chenevey, Yu Hui and Mathias Kutterer

Citation

The Structural Engineer, Volume 92, Issue 11, 2014, Page(s) 10-16

Price

Standard: £9.95 + VAT
Members/Subscribers: Free

Authors from RFR describe how a solution for the large-span roof of a stadium that played host to several of this year's World Cup football matches allowed prestressing to be reduced by 50%.

Synopsis

The new Arena Fonte Nova in Salvador de Bahia, Brazil offers an innovative lightweight solution for a large-span roof. The spoke-wheel system is enhanced by drawing on stiffness and load-bearing capacity from bracings in the vertical plane of the tension rings and in the horizontal plane of the compression ring. This allows prestressing to be reduced to 50% of the usual level.

Other important features that simplify the design and reduce costs are concave radial cables with compression elements, using fewer arches with non-uniform membrane prestress, and a flat overall roof slope. The low prestress brings cost savings both by reducing the weight of all primary structural elements and also by incurring smaller forces during installation.

Additional information

Format:
PDF
Pages:
10-16
Publisher:
The Institution of Structural Engineers

Tags

Project Focus Issue 11

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