RIBA 铁路人行天桥竞赛，号称“为英国铁路寻找全新的无障碍人行天桥设计想法”。
RIBA The Footbridge Design Ideas Competition sought new ideas to help inform Network Rail in their design and installation of fully accessible pedestrian footbridges across the UK rail network.
▼设计图纸，design layout
戒指
RING
铁路是城市的手指，牵连和触及其他的城市，与其放上一个纯功能的人行天桥，不如把它做成一个艺术装置——给“手指”带上戒指：指环的形象成为英国铁路的象征，人们在此相遇，重逢和吻别。
Railways are like city fingers, why don’t we put a ring on it? Rather than a pure functional footbridge, we want to create a utilisable art piece. Contemporary yet timeless. Striking yet subtle. Functional yet sculptural. Floating yet rooted. The Ring will be the symbol of the U.K. railway, where people meet, reunion, kiss goodbye.
▼渲染图，rendering
▼天桥像戒指一样“戴”在铁路上，put the footbridge on the railways like a ring
多重交通
ACCESSIBILITY
指环天桥在两侧都提供了步行阶梯，自行车与行李的坡道，能承载更多交通流量。在圆环内侧，还集成了机械导轨残疾人电梯系统，如同镶嵌在戒指上的宝石。
The Ring provides steps, bicycle & luggage ramps on both sides, increase the traffic capacity. It also integrates a mechanical handicap lift system at inner circle. 12 lift units are constantly cycling to avoid congestions.
▼分析图，analysis diagram
▼结构分解图，explode structure
▼多重交通，accessibility
▼结构分析，structure analysis
残疾人电梯系统
RING LIFT SYSTEM
环内机械导轨上12个平台轿厢持续旋转，只在残疾人轮椅上下电梯平台时，短暂停留。这个缆车系统上下重力平衡，动力能耗较少。每个轿厢平台有底部三角形的结构支撑，分别夹在两套导轨之上，保证运行时的平稳与水平。
The cable system carries 12 handicap lift units constantly running, while can be interrupted momentarily when handicap people get on and off at bottom. The cable system balances weight to save energy. Each lift unit is supported by the triangular structure and held upright while moving by the stabiliser tracks.
▼残疾人电梯系统，handicap lift system
造型定制
CUSTOMISATION
指环天桥的外壳，可以根据具体的地段和实践定制，替换。指环天桥成为一个平台和接口，与各种机构，艺术家，品牌赞助商合作。例如，Burberry可以用置换外壳的设计来暂时推广他们新季度的设计产品；甚至每个城市站点，都可以定制他们自己的特色外壳。
The ring can be customised to serve various locations and purposes by changing its shell. Fashion brands, institutions, artists or local agencies, each group can be involved by customizing their shell version. For example, Burberry can customise the shell to their latest design; Each station can carve its character on the local shell.
▼定制造型，customization
▼模型，model
设计团队：熊星，陈希雅，张蕾，林奕萱
结构顾问：华怀宇
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