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Thread: Amazing bridges design / Around the world

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    Santiago Calatrava: Peace bridge in Calgary, Canada



    Ength of bridge: 126 m
    Total width: 8 m
    Total height: 5.85 m
    Width bet. handrails: 6.2 m (3.7m pedestrian zone, 2.5m cycle way)





    The city of calgary in canada has welcomed its newest addition spanning the bow river, the 'peace bridge' by valencianarchitect and engineer santiago calatrava. the single span helical footbridge gently arcs across the water, sheltering userswith a glass roof alng its 126 meter length. Adjacent to the prince's island park in the downtown district, the structure will provide pedestrians and cyclists with connecting routes between the urban center and memorial drive. pathways defined with curbs separate modes of movement, allowing bicycles to maneuver safely withing a central bike lane and foot traffic travels along the elevated sidewalks placed on either side.





    The rounded cross section of the cover and platform is generated mathematically with two clearly defined tangential radii tocreate an internal and experiential space. Formed by the criss-crossing of the steel exterior leaves openings which have beenselectively screened with a fritted glazed panel to protect form rain and snow. Pigmented a vibrant red, the framework generates a landmark presence for the area, accenting the trees andgrass-covered landscape, especially during autumnal foliage. linear lightingis integrated into the structure and handrail, producing a downward way-finding illumination. its delicate presence is reflected within the water below.



    Source: santiago calatrava: peace bridge in calgary, canada

    Greetings.

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    Infinity Loop Bridge / 10 Design + Buro Happold



    Architects: 10 Design + Buro Happold
    Location: Zhuhai, China
    Design Partners: Gordon Affleck, Adrian Boot (10 Design)
    Team: David Emmer, Colin Ashton, Adrian Boot, Carlo Maria Ciampoli, Frisly Collop, Phil Gray, Magic Kwan, Mike Kwok, Jon Martin, Rob Rodriguez (10 Design); Kien Hoang , Hayden Nuttall (Buro Happold)

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    10 DESIGN and Buro Happold have won the international design competition for the key signature gateway bridge for the new Shizimen Business District in Zhuhai, China. The feature bridge is the gateway entry to south China’s new planned commercial hub and also marks the connection of the Shizimen Canal to the Pearl River Delta.



    Working together in one of their first collaborations the 10 and Buro Happold team set out to create a simple and elegant structural solution for a bridge that would be a visual focal point both within the Shizimen District itself and along the Pearl River Delta coastline.



    The winning bridge scheme proposes an undulating ribbon of structure that wraps around the 6 lane road deck in a continuous sculptural loop form. At low levels the loop cradles the road deck, with the structural ribbon then soaring upwards to create 2 triangulated arch forms. These triangular gateways, one primary and one secondary, support the road deck over 2 separate distinct spans via suspension cables. The primary triangulated gate is 100m in height and by diagonally crossing the deck of the bridge celebrating not only the crossing of vehicular and pedestrian traffic, but also the meeting point of the canal with the Pearl River Delta.



    The continuity of the loop structure is visible from the opposite mainland shoreline to the west, and appears as a dramatic free standing infinity loop. Complex coastline conditions created an odd and asymmetric span, however we realized that by tying 2 simple parabolic arches together in a single ribbon form we could split the bridge into 2 simpler spans. Thereby keeping a rational structure while making a strong formal statement, in that the bridge when reflected off the water created a double 8 figure, a sign of prosperity in Chinese culture. As well as the gateway bridge the team was also placed 2nd & 3rd in the competition for two of the 4 secondary bridges crossing the canal.

    Greetings. New Cable Bridge for the Shizimen Business District in Zhuhai, China / 10 Design - eVolo | Architecture Magazine

    Greetings.

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    Santiago Calatrava: Margaret hunt hill bridge



    Spanning the trinity river and dallas floodway in dallas texas, the 'margaret hunt hill bridge' by valencian architect and engineer santiago calatrava has officially opened to the public with a ceremonious ribbon-cutting ceremony and fireworks.the cable-stayed structure supports its 1,870-foot length with a 400 foot tall steel arch with an array of twisting cables. Attached to the underside of the curved pylon, 58 delicate white strands descend and secure themselves along the centerline of the platform. the 16-foot diameter support is comprised of 25 individual segments, secured with 20,000 pounds of bolts and additional 450 tons of concrete.





    Visible from all cardinal directions and connecting west dallas with the downtown district of the city, the new landmark will provide six lanes for vehicular traffic and an iconic postcard perspective to define the metropolitan area.





    Last Chance on the Margaret Hunt-Hill Bridge Before Construction is Complete
    by Illusion Fields



    Source: santiago calatrava: margaret hunt hill bridge

    Greetings.

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    Zaragoza Bridge Pavilion by Zaha Hadid



    ARCHITECTS: Design Zaha Hadid with Patrik Schumacher
    Project Architect: Manuela Gatto
    Project team: Fabian Hecker Matthias Baer, Federico Dunkelberg, Maria Jose Mendoza, Jose’ Monfa, Marta Rodriguez, Diego Rosales, Guillermo Ruiz, Lucio Santos, Hala Sheikh, Marcela Spadaro, Anat Stern.

    CONSULTANTS: Engineers ARUP Associates
    Cost Consultants: ARUP Associates / IDOM
    Artists: Golan Levin and Zach Liebermann, Christian Moeller
    SIZE: Total Surface 6415 m2
    Exhibition Surface 3915 m2
    Pedestrian Bridge 2500 m2



    The Zaragoza Bridge Pavilion is organized around 4 main objects, or “pods” that perform both as structural elements and as spatial enclosures. The Bridge Pavilion design stems from the detailed examination and research into the potential of a diamond shaped section – which offers both structural and programming properties. As in the case of space-frame structures, a diamond section represents a rational way if distributing forces along a surface.



    Underneath the floor plate, a resulting triangular pocket space can be used to run utilities. Floors inside each pod are located at the Expo principal levels: +201.5m (the soffit of the bridge is at +200m, flood protection minimum level of the Ebro River at the location of the Bridge Pavilion) +203m, +206m and +207.5m for the upper level.

    The diamond section has also been extruded along a slightly curved path. The extrusion of this rhombus section along different paths has generated the four separate ‘pods’ of the Bridge Pavilion. The stacking and interlocking of these truss elements (the ‘pods’), satisfies two specific criteria: optimizing the structural system, and allowing for a natural differentiation of the interiors, where each pod corresponds to a specific exhibition space.





    By intersecting the trusses/pods, they brace each other and loads are distributed across the four trusses instead of a singular main element, resulting in a reduction in size of load-bearing members.

    The pods are stacked according to precise criteria – aimed at reducing the section of the bridge as much as possible where the span is longer (approximately 185m from the island in the middle of the river to the right bank), and enlarging it where the span is shorter (85m from the island to the Expo riverbank). One long pod spans from the right riverbank to the island, where the other three are grafted into it, spanning from island to left bank.



    This interlocking of the pods has given the design many exciting possibilities. Interiors become complex spaces, where visitors move from pod to pod though small in-between spaces that act as filters – or buffer zones. These zones diffuse the sound and visual experience from one exhibition space to the next, allowing for a clearer understanding of the installation content within each pod. The identity of each pod remains thoroughly readable inside the pavilion, almost performing as a three-dimensional orientation device.



    Spatial concern is one of the main drivers of this project. Each zone within the building has its own spatial identity; their nature varies from complete interior spaces focused on the exhibition, to open spaces with strong visual connections to the Ebro river and the Expo.



    Natural surfaces have been investigated when designing the Pavilion’s exterior surfaces. Shark scales are fascinating paradigms both for their visual appearance and for their performance. Their pattern can easily wrap around complex curvatures with a simple system of rectilinear ridges. For the Bridge Pavilion, this proves to be functional, visually appealing and economically convenient.

    The building’s envelope plays an essential role in defining its relation to the surrounding environment and atmospheric variations. The project has been designed to allow its interior to be thoroughly enlivened by the effect of atmospheric agents, such as the Tramontana wind blowing along the Ebro and, the strength of Zaragoza’s sunshine.

    Bridge Pavilion
    by Hongmin Kim



    Source:

    Zaragoza Bridge Pavilion - Design - Zaha Hadid Architects

    Dezeen » Blog Archive » Zaragoza Bridge Pavilion by Zaha Hadid

    Greetings.

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