the world's most visited architecture website

Sign up now and start saving and organizing your favorite architecture projects and photos

Sign up now to save and organize your favorite architecture projects


Find the most inspiring products for your projects in our Product Catalog.

Find the most inspiring products in our Product Catalog.


Get the ArchDaily Chrome Extension and be inspired with every new tab. Install here »


All over the world, architects are finding cool ways to re-use run-down old buildings. Click here to see the best in Refurbishment Architecture.

Want to see the coolest refurbishment projects? Click here.


Immerse yourself in inspiring buildings with our selection of 360 videos. Click here.

See our immersive, inspiring 360 videos. Click here.

Navigate articles using your keyboard
  1. ArchDaily
  2. Articles
  3. In Progress: Xidayinggang Twin Bridge / CA-DESIGN

In Progress: Xidayinggang Twin Bridge / CA-DESIGN

In Progress: Xidayinggang Twin Bridge / CA-DESIGN
© Montse Zamorano
© Montse Zamorano

Architects: CA-DESIGN / Architecture and Urban Planning Location: Qingpu, Shanghai, China Director in charge: Pedro Pablo Arroyo Alba Project year: 2010 Photographs: Montse Zamorano & CA-Group

© Montse Zamorano © Montse Zamorano © Montse Zamorano © Montse Zamorano + 48

The Xidayinggang Twin Bridges will be the most important landmark of the future expansion of Qingpu. The objective is to provide the city for a symbolic structure, reasonable, inexpensive, and avant-garde at the same time.

Given the scale of the structure, we propose the combination of arches as the most suitable solution. In reaction to the context, the angle of the river and roads with the axis of the bridges, we make the arches jumping from side to side of the deck. Since the heights of the arches are proportional to their spans, they don’t touch each other. The rotating stiffeners generate a series of virtual surfaces of double curvature, which emphasize the dynamism of the space. It is crucial to control the continuity of the arches at the ground level, and their connections with the deck, tangent and intersecting, which make the cables to alternate the alignment of their anchoring points.

© Montse Zamorano
© Montse Zamorano
© Montse Zamorano
© Montse Zamorano

The “balanced asymmetry” of the project resembles the profile of a chain of DNA, as metaphor of the vitality of the new city.

© Montse Zamorano
© Montse Zamorano

View the complete gallery

About this author
Nico Saieh

See more:

Cite: Nico Saieh. "In Progress: Xidayinggang Twin Bridge / CA-DESIGN" 06 Mar 2010. ArchDaily. Accessed . <> ISSN 0719-8884
Read comments

You've started following your first account!

Did you know?

You'll now receive updates based on what you follow! Personalize your stream and start following your favorite authors, offices and users.