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引力場2.0 - 城市泡泡

Gravitational Field 2.0 - City Bubble

2016.09.20


在高樓林立繁華喧囂的上海市中心,進入一個全透明的巨型泡泡內,會是一種什么樣的空間體驗。9月23日-10月15日期間,在上海繁華的南京西路中信泰富廣場,舉行了一系列主題為“引力場2.0—建筑藝術與公共文化的多場耦合”的城市公共藝術活動。而一件具有實驗性的建筑空間裝置作品——《城市泡泡》也由此而生。

一大一小,一透一白,兩個巨型泡泡輕盈地落在不規則形的廣場地面上。其柔軟的外形與折角方正的建筑形成鮮明的對比,而全透明的體量讓不大的廣場并不顯得過分局促。路過的人們在好奇之余,不禁回想起各自的童年記憶,忍不住伸手摸一下彈性十足的城市泡泡。


1毫米厚的透明TPU材質(熱塑性聚氨酯彈性體)柔軟而耐磨,可再生利用。通過熱膠粘合的方式,形成7米寬,14米長,6米高的巨型露珠狀透明空間體量,而小泡泡僅為其一半大小。廣場石材地面不允許有固定螺栓,為了抵抗風荷載,2噸水被分別放置在40個方形燈座中,作為泡泡底部的“壓艙物”,它們同時也是夜間照明和座椅。作為氣壓膜結構空間,泡泡利用氣泵維持其飽滿的狀態。人的進出會影響其室內氣壓變化,而入口隔離倉的設計可以盡量減小氣壓差影響。此外,泡泡還具有很好的可移動性,可以在不同場地被多次利用。


▲開幕現場活動:現代舞表演者


▲開幕現場活動:爵士樂演唱者

空間全封閉,而視覺全開放,城市泡泡仿佛廣場上的一個透明舞臺。21天時間里,樂隊演出,街舞表演,互動行為藝術,VR體驗營…豐富的城市公共活動在透明的泡泡里發生和呈現。《城市泡泡》儼然成為了一個城市公共生活的透明容器。這里既是實驗場,也是劇場,展場,市場,游樂場。城市泡泡激發著城市活力和創造力,并以空間的方式展現出開放的城市精神。 




“城市泡泡”設計圖




項目信息
項目地點:上海市南京西路中信泰富廣場
項目功能:城市公共建筑空間裝置
項目規模:100㎡
設計時間:2016年8月
設計公司:goa大象設計 
聯合設計:同濟大學建筑與城市規劃學院
設計團隊:王彥 goa大象設計 總建筑師
李昇 同濟大學建筑與城市規劃學院學生
攝影: 呂恒中 



One large and transparent, another small and white, the two light bubbles float on the free-shaped square. Their soft appearance of bubbles creates a striking contrast with the sharp, square building behind them. And the transparent material won’t make the square look cramped. Besides curiosity, passers-by will also recall their childishness, so that they can’t help to touch the cute “City Bubble”.


The bubbles are made up with 1-millimeter-thick transparent TPU (Thermoplastic Urethane), which is soft, wear-resistant and renewable. The bigger bubble provides a drop-shaped transparent space, which is 7 meters wide, 14 meters long, 6 meters high. The smaller one is half-sized, all stuck with hot-melt adhesive. Knocking a nail in the stone ground of the square is not allowed, so we placed in the bubble 40 square plastic boxes filled with 2 tons of water, in order to resist wind load. The boxes can also be the light source and seats. The bubble has a pneumatic membrane structure, using air pump to maintain full. The air pressure is unstable, which changes when people get in and out. So the design of “bulkhead” in entrance can reduce the pressure effect. In addition, the bubble is easily movable, it can be used in different places for many times.



▲Opening event: modern dance performers 

The space completely closed while the visual all open, the bubble looks like a transparent stage on the square. During the 21 days, there were band performances, hip-hop dance performances, interactive performance art, VR experience camp and so on. So many public activities occurred in the transparent bubbles. "City Bubble" has become a container of the public activities in this city. It can be defined as an experimental field, also a theater, an exhibition hall, a market, or even a playroom. “City Bubble” stimulates the energy and creativity of the city, and shows the liberal city spirit in architectural way.




Design Drawings of “City Bubble”




Project Information 

Location: Citic Square, Shanghai
Function: Urban public architectural installation
Scale: 100㎡
Design Time: 2016.08
Design company: GOA
Co-design: CAUP,Tongji University
Designers:
Wang Yan , Master Architect of GOA
Li Sheng , Student of CAUP, Tongji University
Photo: LYU Hengzhong


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