Specialty Fabrics Review November 2019 - 21

OUTSTANDING ACHIEVEMENT

Butterfly effect
The project was an ETFE membrane roof structure
for the Beijing 2019 World Horticultural Expo
Performance Center, the location of the expo's
opening and closing ceremonies and other largescale activities. The butterfly-inspired roof design
was an effective combination of steel, cable and
membrane that integrated the building into the
natural landscape and became a dynamic icon
that attracted visitors and created excitement on
social media. The structure system was composed
of steel trusses supported by steel columns and
cables anchored to the ground to balance the
cantilevered sections of the trusses. The roof
surface was covered with six different colors of
ultra-thin ETFE film with a light transmittance
of 20 to 40 percent to allow for natural light. The
Performance Center hosted more than 2,000
activities during the five-month run of the expo.

Beijing N&L Fabric
Technology Co. Ltd.
Beijing, China
www. beijingnl.com
TEXTILE

ETFE, Nowofol GmbH
ENGINEER/ARCHITECT

Li, Gaoyang, N&L Fabric Technology
Co. Ltd /Wang, Heng, China Architecture
Design & Research Group

IAA
INTERNATIONAL
ACHIEVEMENT AWARDS

The 2020 International Achievement Awards (IAA)
will open for entries on March 5, 2020. The deadline
to submit projects will be June 30, 2020. For more
information, visit www.iaa.ifai.com.
www.SpecialtyFabricsReview.com 21



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Specialty Fabrics Review November 2019

Table of Contents for the Digital Edition of Specialty Fabrics Review November 2019

Specialty Fabrics Review November 2019 - Cover1
Specialty Fabrics Review November 2019 - Cover2
Specialty Fabrics Review November 2019 - 1
Specialty Fabrics Review November 2019 - 2
Specialty Fabrics Review November 2019 - 3
Specialty Fabrics Review November 2019 - 4
Specialty Fabrics Review November 2019 - 5
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Specialty Fabrics Review November 2019 - Cover3
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