TEKLA - Pavilions Of Shanghai World Expo Built With The Help Of
Tekla Software
Finnish technical expertise will be on display at the World Expo
2010 in Shanghai, China, from the 1st of May until the end of
October. A total of 12 Expo pavilions will showcase the use of Tekla
Structures BIM (Building Information Modeling) software. Tekla is an
official partner in the Finland exhibition during the event.
The pavilions of the World Expo 2010 are specimens of modern
architecture and construction skills. Their curved, asymmetrical
geometry requires a great deal from the software in use. The Finland
pavilion, ‘Kirnu’ (“Giant’s Kettle”), was a challenge both in terms
of geometry and the complexity of its steel structure. It was
designed by Helsinki-based architects’ office JKMM. Another Finnish
company, Lemcon Ltd, is in charge of its construction.
“From the day that Kirnu was chosen for the Finnish pavilion, it was
quite clear that there is a need for 3D steel design software,” said
Jouni Lehtonen, construction manager for Finland at the World Expo
and representative of Finland exhibition organiser Finpro.
Nearly 60 meters in diameter, the steel-tube frame of the pavilion
consists of variable cross-sections and unique curved shapes. Tens
of thousands of bolt connections are needed to keep them together.
It would have been impossible for engineers to design this structure
into 2D drawings by using just traditional 2D software.
“We knew that Tekla Structures is Finnish software and one of the
best on the market, so it was quite an obvious choice,” said
Lehtonen.
Tekla enables sustainability for construction sites
The main theme in the Shanghai Expo is “Better City, Better Life.”
More than half of the world’s population lives in cities, which has
led to many problems. A big challenge for the near future is to find
methods of construction that are sustainable and preserve natural
resources.
The Finland pavilion is a laboratory for sustainable building,
presenting Finnish solutions for future urban construction. The goal
has been to develop energy-efficient, low-emission and
environmentally friendly solutions both in terms of construction
method and maintenance properties. For Kirnu, the use of energy is
being lowered by, for example, light surfaces and natural
ventilation. Carbon dioxide emissions are being reduced by recycling
and re-use of materials. The outer façade of the building will be
covered with scale-like shingles made of paper/plastic composite
sheet, a Finnish industrial recycled product.
After the Expo, the Finland pavilion will be disassembled, sold, and
taken to new use. Modeling its steel connections with Tekla
Structures enables it to be rebuilt in another location. In
addition, building information modeling minimises expensive and
unnecessary miscalculations.
“Using Tekla Structures software, all necessary building information
is gathered into a 3D model database, which all project disciplines
can share. This way it is possible to significantly decrease
mistakes and costs in planning, site management, and project
scheduling,” said Risto Räty, Executive Vice President of Tekla.
Modelling software brings pavilions to life
Tekla received an internationalisation award from the President of
Finland in February 2010. The company has customers in nearly 100
countries. International operations account for more than 80% of net
sales. In the World Expo 2010, Tekla Structures was used to model
and build altogether 12 exhibition pavilions: in addition to the
Finland pavilion, these include the pavilions of Germany, Sweden,
United States, Switzerland, the Netherlands, Saudi Arabia, Macau,
Italy, Luxembourg, and host country China. Moreover, the central
pavilion of the Expo as well as its Performance Center were modelled
with Tekla Structures.
”The pavilions of the World Expo are architecturally ambitious and
thus extremely challenging to build. Tekla Structures was chosen as
the tool for so many pavilions because that is exactly where the
strength of our software lies: in structural design of complex
buildings,” Räty says.
Other modern structures modeled with Tekla software include world’s
highest building Burj Khalifa, Bird’s Nest stadium of Beijing
Olympics, Wembley stadium of London, and recently opened SkyView
gondola of the Globe stadium in Stockholm.
Email:
gmcgerr@webershandwick.com
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