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一枝独秀 | One of many
The Jiangyin Greenway belongs to a growing movement in China towards healthy, sustainable transportation and urban enjoyment. Infrastructure of this scale has an opportunity, or more correctly a responsibility, to create meaningful places in the city. It is also seen as an opportunity for Jiangyin to assert itself as a creative, progressive and livable city. Consequently, it will consist of four clearly identifiable segments, each with a unique response to the spirit of the place in which it is located. The north segment of the loop has already been built and passes through the docklands parks. It responds to the history of shipbuilding and its port function. This project, the eastern segment of the loop, leads to the Yangtze River, the river to which Jiangyin owes its existence. Consequently, this segment will respond to the significance of the Yangtze River.
▼江阴绿道整体鸟瞰，bird-eye’s view of the Jiangyin Greenway ©Pavel Shubskiy — Egghead Photo
不仅仅是步道 | More than a path
This project is more than just an elevated walkway, it seeks to generate better urban spaces, order previously random and disconnected decision making, engage with the best of contemporary aesthetics; solve problems, extend local iconography, be poetic, be cost effective, and open up social opportunities.
▼江阴绿道局部俯视图，将随意分布且毫无关联的景点串联起来，partial top view of the Jiangyin Greenway, linking the previously random and disconnecting sceneries ©Pavel Shubskiy — Egghead Photo
无缝对接 | Stitching
The freeway is lifted off the ground for it entire length of the site. Contrary to what one would think, and thanks to this enlightened engineering decision, the freeway is not a barrier in the city. However, the park in which it sits is not as helpful in keeping the city well connected. In fact this linear park with its emphasis on a major north-south connection becomes a frustrating barrier to east-west circulation. A careful analysis of desire lines and shortcuts can rejuvenate the park with activity, make the park safer, and make the city more efficient. The stitching paths also ensure that the green way is connected to the rest of the park and to the adjacent streets and pedestrian circulation networks.
▼江阴绿道局部俯视图，partial top view of the Jiangyin Greenway ©Pavel Shubskiy — Egghead Photo
整合所有组成构件 | An integrated kit of parts
▼江阴绿道总平面图，site plan of the Jiangyin Greenway ©BAU
▼绿道构筑物分类，the structures on the greenway ©BAU
There are two fundamental ways to generate large-scale forms and spaces – by adding small things together or by starting with a large thing and extracting pieces from it. The addition process often leads to an aesthetic of accretion, which has at its core the idea of the articulation of different elements. This can lead to a non-integrated result. The subtraction process leads to an integrated approach, because every element is either the result of the subtraction of something or it is itself the subtracted element. It is the subtraction process that this project explores. The design of this project is based on a kit of parts, but parts of an integrated whole not an assemblage of disparate elements. This kit of parts allows diversity but retains construction simplicity and cost control.
▼各节点构筑物说明，the statements of structures ©BAU
精巧惊艳的设计 | Responsive and Surprising
The path provided in the brief was a thoughtful and gentle response to the existing paths and the substantial well established planting material. The design of this project is a clear and legible response to this path, with: solid and transparent balustrades providing privacy or views; sound walls near the freeway for the comfort of the pedestrians; arbors to provide shade and enclosure; widenings with seating at locations overlooking lakes and canals; landmark bridges with sculptural trusses framing views for pedestrians; stairs located at street intersections to link existing pedestrian paths to the new greenway; and surprising additional programs that make the adjacent city programs work even better.
▼步道系统局部，两旁栽种的乔木提供了遮荫与独立空间，partial view of the greenway, arbors provide shade and enclosure ©Pavel Shubskiy — Egghead Photo
▼步道系统可分为上下两层，the greenway consists of two levels ©Pavel Shubskiy — Egghead Photo
▼步道局部设有加宽的休息平台， arranging widening platform with shading at locations ©Pavel Shubskiy — Egghead Photo
▼加宽的休息平台处配置坐椅，可俯瞰湖光山色与运河风光， arranging seatings at locations overlooking lakes and canals ©Pavel Shubskiy — Egghead Photo
规划与建造，绿道潜力无限 | Place making and Programming, the greenway is full of potential
▼屋顶广场俯视图，top view of the covered plaza ©Pavel Shubskiy — Egghead Photo
▼屋顶广场鸟瞰图，bird-eye’s view of the covered plaza ©Pavel Shubskiy — Egghead Photo
▼屋顶广场屋檐下的空间，the space under the roof ©Pavel Shubskiy — Egghead Photo
▼屋顶广场中心设有一个圆形的中庭，the circular courtyard at the center of the covered plaza ©Pavel Shubskiy — Egghead Photo
It is said that place is space with memories attached. And that memories can’t be attached without articulation. Consequently the journey along this greenway is articulated with a number of variously scaled events; an amphitheatre for performances or relaxing on; a raised plaza with permanent sound instruments for all to play; an exercise playground with nets, slides and a gentle climbing ramp for all ages, to name a few – all providing the clarity and legibility to become memorable places.
This design also locates key places for optional programs and the building envelopes of these options describe how best to take advantage of their location adjacent to both the existing road and pedestrian system, and the new greenway. These optional programs can assist in making place and also generate more activity in key locations making the greenway a safer place to be. Rent from these commercial programs could also contribute to the running costs of the greenway. Potential programs include : bicycle hub for repair and sales; café-bar-restaurants; market; and gym sports shop.
▼露天广场，用于举行活动或停留休息，背后设有爬藤廊架，the amphitheatre for performances or relaxing on with vine corridors ©Pavel Shubskiy — Egghead Photo
▼运动场配置球场、滑梯以及柔缓坡道，适合各年龄阶段的人们在此游玩嬉戏，the exercise playground with nets, slides and a gentle climbing ramp for all ages ©Pavel Shubskiy — Egghead Photo
▼儿童游戏空间，the playground for children ©Pavel Shubskiy — Egghead Photo
结构、绿道露台和间隔立柱 | Structure, Greenway deck and Column spacing
▼步道和樱花林中小径俯视图，步道采用彩色沥青混凝土铺装，top view of the greenway and cherry forest bridge, the greenway is paved with a coloured bituminous concrete screed ©Pavel Shubskiy — Egghead Photo
The entire greenway is built in steel and utilizes pre-fabricated to reduce the impact on the park. A steel structure with a coloured bituminous concrete screed gives the greenway both the potential for prefabrication and a durable low-maintenance, long-wearing surface. Columns supporting the greenway are at 16 metre centres in areas where there is no head height for human activity (under ramps, etc.). When there is head height the column spacing has been increased to 32 metres, to make the space under the elevated more flexible for community activities.
▼樱花林中小径，采用全钢结构设计，the cherry forest bridge with a steel structure ©Pavel Shubskiy — Egghead Photo
薄膜、桁架与吊篮 | Membranes, trusses and cradles
Bridge spans vary and can exceed the efficient 32m span of the greenway. To deal with this issue, the bridges explore three structural principles: perforated membranes, trusses, and suspension systems. There are two membrane options: one where the greater mass sits mid-span and acts as an arch; the second option has mass at the supports and acts as a tensile structure. The truss system turns the familiar Warren truss into a series of inclined membranes, and the suspension option explores a propped cradle dynamic. These options provide variety of combinations to assist in making each bridge a unique landmark in the city.
▼地标性大桥采用桁架设计，颇具雕塑式的造型感，landmark bridges with sculptural trusses, framing views for pedestrians ©Pavel Shubskiy — Egghead Photo
▼桥上空间，the bridge space ©Pavel Shubskiy — Egghead Photo
▼过街天桥，采用中间跨接法，恰似一个弧形拱门，the bridge of mid-span acts as an arch ©Pavel Shubskiy — Egghead Photo
▼过街天桥，the bridge ©Pavel Shubskiy — Egghead Photo
项目状态：邀请赛 一等奖。 2019年12月项目竣工
摄影：Pavel Shubskiy — Egghead Photo
Project Status: Invited competition, 1st prize. Construction completion in December, 2019.
Location: Jiangyin, Jiangsu
Client: China Construction City Development Ltd in Jiangyin
Construction Cost: RMB372 million
Typology: Public infrastructure, landscape, transport.
Program: Elevated walkway, pedestrian bridges, playgrounds, amphitheatres, cafes, bike shops.
BAU Project Team: Guo Liexia, Gao Weiguo, Wu Xiaojian, Pan Linglu, Li Zheng, Yu Zhirui, Rong Yu, Lei Tao, Pablo Jimenez, Manuel Jose Godoy Alvarez, Fang Qun, Huang Fang, Steve Whitford, Peter Felicetti(Concept stage engineer), James Brearley
Contractor: China Construction City Development Ltd in Jiangyin
Engineering: Shanghai Lin Tongyan Li Guohao Civil Engineering Consulting Co., Ltd.
Video: Derrick Wang
Photography: Pavel Shubskiy – Egghead Photo