Structural Design of the Arch and Roof of Wembley Stadium
Kourosh Kayvani, PhD, FIEAust, CPEng
Aurecon, Sydney, Australia
The aim of the new Wembley Stadium was to design and build a state-of-the-art national stadium, unlike any other in the world. The new stadium, with its elegant exposed steel structure arch, is an international icon as was the old stadium with its twin towers which was built in 1923.
The design brief required the roof not to cover the playing field which lead to one unique aspect of the roof in that it partially retracts over the seats to allow the daylight to reach all points of the pitch and thus a shadow-free playing field.
The retractable roof is formed by seven separate independently driven roof panels totalling 15,000 sqm that move in a parallel motion to the south as they "open" and stack on the top of one another when in a fully "open" position.
With the retracting roof panels all moving to the south, the roof design exploits the opportunity to have a tall, structurally efficient structure on the north side to support the north and south roofs. The solution was to have an elegant and structurally efficient arch which spans the entire width of the stadium's seating bowl (Figure 1).
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AAMI Park Stadium Melbourne
APPLICATION OF PROJECT
AAMI Park is Melbourne’s first purpose built venue for football (soccer), rugby league and rugby union. The 30,000-plus seat stadium offers a world class arena and playing surface for all three codes with an unparalleled spectator experience in terms of sightlines, atmosphere and amenity
AAMI Park, with its iconic bio-frame roof, fills a gap in Melbourne’s renowned suite of sporting facilities and increases the city’s ability to attract national and international events.
Home to the Victory, Hearts, Storm, Rebels and Melbourne Football Club teams, the stadium also features a sports medicine centre, elite training facility and administration complex, making it a true sports campus for Melbourne.
AAMI Park provides a strong foundation for football and the league and union codes to develop their fan base, and cements Melbourne’s claim as Australia’s – if not the world’s – sporting capital.
AAMI Park’s world class playing pitch and outstanding player facilities make it one of the best grounds to play on. In fact, AAMI Park is one of the few stadiums in the world to house four different sporting codes.
Location: Doha, Qatar
Client: Lakhwiya Sports Club
Completion Date: February 2013
Architect: Perkins Eastman (USA), ECG (Egypt)
Structural Engineer: Tensys Engineers
Builder: Al Khayyat Development
APPLICATION OF PROJECT:
The development is to create a new stadium for the local Qatar League team ‘Lakhwiya’. The works involve creating a 15,000 seat stadium with 4 grand stand sun shading roof.
Many stadiums around the world now require special roof structures which utilize the principles we look for in a lightweight structure.
Some recent stadium structures are shown below:
Metricon Stadium - Carrara, Qld.
The Carrara Stadium was originally built in the late 1980’s and played host to a number of events however the venue has traditionally been a football ground. The decision to redevelop the site came as a welcome change to many sporting fans. The redevelopment is also in line with the Queensland government’s bid for the 2014 Commonwealth Games.
The newly named and revamped Metricon Stadium is built to accommodate a Australian Rules football oval, world standard cricket oval, provision to allow future installation of an athletics field and international standard soccer field including all the associated corporate, media and player facilities. The Queensland Government funded project secures a future for sport of all kinds in the region, opens the possibility to world class soccer coming to the region as well as other major national and international sporting events.
As with any world class stadium the design incorporated a tensile membrane roof component. Covering 70% of the seating capacity at the venue this roof is a major part of the facilities function and aesthetics.
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