After winning the competition back in 2015, Zaha Hadid Architects (ZHA) announced the start of construction on the 920-meter bridge, which will be the world's longest single-mast, asymmetric cable-stayed bridge, acording ZHA . As of right now, the €355.4 million bridge will be constructed in 68 months and open in 2024.
The bridge, designed by Zaha Hadid Architects (ZHA), will span the mouth of the Tamsui River estuary, an important natural ecosystem that is attracting more tourism as a recreational area. A critical infraestructure in upgrading northern Taiwan's net, the new bridge will reduce traffic congestion by 30 percent, on local highways, as well as on existing Guandu Bridge .

It will also improve connectivity between the region, the Port of Taipei, and the Taoyuan International Airport. And it's also expected to shorten the journey between Bali and Tamsui on either side of the river by 15 kilometers, which would save 25 minutes of travel time for those crossing the river.

The bridge features a slender 200-meter concrete mast (designed with Sinotech Engineering Consultants and Leonhardt, Andrä and Partner) that supports the main 450-meter span, which will be able to accommodate the future expansion of the Danhai Light Rail network.
 

Description of project by Zaha Hadid Architects (ZHA)

Spanning the mouth of the Tamsui River that flows through Taipei, the Danjiang Bridge is integral to the infrastructure upgrading program of northern Taiwan.

The new bridge will reduce through-traffic on congested local roads by linking Highway 2 on the river’s eastern side with Highway 15, the West Coast Expressway (Route 61) and the Bali-Xindian Expressway (Route 64) on the western side.

In reducing traffic by 30% on the existing Guandu Bridge 5km upriver, the Danjiang Bridge will significantly improve Taiwan’s northern coast traffic network and also enhance accessibility throughout the region with the Port of Taipei and Taoyuan International Airport.

The Tamsui River estuary is an important natural ecosystem flanked by the urban centres of Tamsui to the East and Bali to the west. The estuary is rapidly growing in popularity with both residents and tourists as a recreational area where people gather each day to watch the sun setting over the Taiwan Strait.

The bridge minimises its visual impact by using a single concrete mast to support its main 450-metre span with dedicated road, cycle and pedestrian lanes. The design also accommodates future expansion of the Danhai Light Rail network across the Tamsui River.

A Sinotech Engineering Consultants and Leonhardt, Andrä and Partner joint venture with Zaha Hadid Architects, the bridge’s 200-metre mast is engineered to be as slender as possible.

Positioned to optimise structural performance as well as views of the setting sun from popular viewing points along the riverbank, the mast’s location also avoids impeding the navigability of the river. This single-mast design minimises disruption to the riverbed in accordance with the enhanced protection programs of the estuary’s ecosystem as a nature reserve.

Attending the ground-breaking ceremony, Taiwan’s President Tsai Ing-wen explained the new bridge will reduce the journey between Bali and Tamsui on either side of the river by 15 km, saving 25 minutes of travelling time for those crossing the river.

With a construction schedule of 68 months and budget of NT$12.49billion (€355.4 million), the Danjiang Bridge is scheduled to open in 2024.

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Architects
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Zaha Hadid Architects (ZHA). Design.- Zaha Hadid, Patrik Schumacher
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Competition Design team
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Project Directors.- Charles Walker, Manuela Gatto. Project Architect.- Shao-wei Huang. Design Associate.- Paulo Flores. Lead Designer.- Saman Saffarian. Project Team.- Evgeniya Yatsyuk, Paul Bart, Sam Sharpe, Silviya Barzakova, Julian Lin, Ramon Weber.
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Delivery team
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Project Director.- Cristiano Ceccato. Project Architect.- Shao-wei Huang. Project Team.- Carlos Michel-Medina, Chien-shuo Pai, Julian Lin, Elena Scripelliti. Project BIM Support.- Paul Ehret. Lead structural engineering consultancy and JV Partner.- Leonhardt, Andrä und Partner (Leonhardt, Andrä und Partner, Beratende Ingenieure VBI AG, Germany). Local engineering consultants and JV Partner.- Sinotech Engineering Consultants (Sinotech Engineering Consultants, Ltd, Taiwan, R.O.C.). Lighting designer.- Chroma33 Architectural Lighting Design (Taiwan, R.O.C.).
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Length
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920m (total). 450 (longest span).
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Client
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Directorate General of Highways, M.O.T.C.
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Zaha Hadid, (Bagdad, 31 October 1950 – Miami, 31 March 2016) founder of Zaha Hadid Architects, was awarded the Pritzker Architecture Prize (considered to be the Nobel Prize of architecture) in 2004 and is internationally known for both her theoretical and academic work.

Each of her dynamic and innovative projects builds on over thirty years of revolutionary exploration and research in the interrelated fields of urbanism, architecture and design. Hadid’s interest lies in the rigorous interface between architecture, landscape and geology as her practice integrates natural topography and human-made systems, leading to experimentation with cutting-edge technologies. Such a process often results in unexpected and dynamic architectural forms.

Education: Hadid studied architecture at the Architectural Association from 1972 and was awarded the Diploma Prize in 1977.

Teaching: She became a partner of the Office for Metropolitan Architecture, taught at the AA with OMA collaborators Rem Koolhaas and Elia Zenghelis, and later led her own studio at the AA until 1987. Since then she has held the Kenzo Tange Chair at the Graduate School of Design, Harvard University; the Sullivan Chair at the University of Illinois, School of Architecture, Chicago; guest professorships at the Hochschule für Bildende Künste in Hamburg; the Knolton School of Architecture, Ohio and the Masters Studio at Columbia University, New York. In addition, she was made Honorary Member of the American Academy of Arts and Letters, Fellow of the American Institute of Architecture and Commander of the British Empire, 2002. She is currently Professor at the University of Applied Arts in Vienna, Austria and was the Eero Saarinen Visiting Professor of Architectural Design at Yale University, New Haven, Connecticut.

Awards: Zaha Hadid’s work of the past 30 years was the subject of critically-acclaimed retrospective exhibitions at New York’s Solomon R. Guggenheim Museum in 2006, London’s Design Museum in 2007 and the Palazzo della Ragione, Padua, Italy in 2009. Her recently completed projects include the MAXXI Museum in Rome; which won the Stirling award in 2010. Hadid’s outstanding contribution to the architectural profession continues to be acknowledged by the most world’s most respected institutions. She received the prestigious ‘Praemium Imperiale’ from the Japan Art Association in 2009, and in 2010, the Stirling Prize – one of architecture’s highest accolades – from the Royal Institute of British Architects. Other recent awards include UNESCO naming Hadid as an ‘Artist for Peace’ at a ceremony in their Paris headquarters last year. Also in 2010, the Republic of France named Hadid as ‘Commandeur de l’Ordre des Arts et des Lettres’ in recognition of her services to architecture, and TIME magazine included her in their 2010 list of the ‘100 Most Influential People in the World’. This year’s ‘Time 100’ is divided into four categories: Leaders, Thinkers, Artists and Heroes – with Hadid ranking top of the Thinkers category.

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Published on: March 21, 2019
Cite: "Zaha Hadid-designed Danjiang Bridge, world's longest asymmetric cable-stayed bridge" METALOCUS. Accessed
<http://www.metalocus.es/en/news/zaha-hadid-designed-danjiang-bridge-worlds-longest-asymmetric-cable-stayed-bridge> ISSN 1139-6415
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