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郑州郑东新区城市规划展览馆

2019/05/23 12:04:43

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一直以来，公共空间作为一种共有的文化价值和民主的理想体现，提供了平等自由的行为场所为大家共享。这种消除排它性的公共空间往往是城市活力的重要源泉。城市规划展览馆作为将城市当成展览对象的公共建筑，必然是城市中最具有开放价值和必要性的地方。

Public places embodying shared cultural values and ideals have the opportunity to become the most important activity and urban life centres in cities. Contrary to the iconic architecture and closed façades ubiquitous in China, public buildings need to present an openness and give back to the urban context, especially in the case of the Urban Planning Exhibition Hall.

▼城市规划展览馆整体鸟瞰图，the overall bird-eye’s view of the Urban Planning Exhibition Hall

郑东新区城市规划展览馆基地东面和北面紧邻已建成的学校，南面和西面是主要的城市道路。这是一幢不多的位于街角的标志性公共建筑。角部开敞是基地在特定位置向城市开放所表现的姿态，展览馆首层局部架空形成了城市与建筑之间的灰色区域，通过它很快将街道的活力注入场地。公共性的策略将建筑切分成反差极大的两部分，私有化的内部展览被墙体的包裹而固化、公共性的漫步因为开放而虚空。建筑的外立面被玻璃百叶表皮包裹成立方体，给开放的漫步动线设置了一层半透明的界限，整个架空上部的体量变得完整。

▼城市规划展览馆轴测图，the axon of the Urban Planning Exhibition Hall

Unlike other symbolic public buildings usually located in city centres, the Zhengdong Exhibition Hall is in the southwest of street cross, adjacent to a school to the north and east. The site is quite compact, with a total floor area of the project of 8450 square metres.

▼建筑东北立面外观，被玻璃百叶表皮包裹成立方体，northeastern exterior view of the Exhibition Hall that is a cube enclosed by glass louvre

▼展览馆西南立面外观，底层架空，the southwestern exterior view of the Exhibition Hall with an aerial ground space

界面使它从被置于无方向性的实体之‘外’回归到存在一定围合度的建筑之‘内’。玻璃百叶的透明性将实体的公共性转换成一种视线的公共性，白色彩釉玻璃被定制为300mm宽的长条状构件，按0°、45°、90°三种角度构成外层表皮，分别对应于内部采光通风要求不高的区域；对视线有一定限制的区域；以及漫步动线对城市在视线上完全打开的区域。玻璃百叶因位置不同而角度各异，因远近漂移而不断变幻，透明与折射在无法预料的光线和运动中不断转化，它们所试图掩饰的那层公共性在时间飞速的流逝中变得若隐若现。

The south and east façades of the building are open at ground level. A large ramp creates the main entrance, which directs public circulation vertically through several entrance spaces and multilevel courtyards, and eventually to the roof terrace. The privacy of the internal exhibition galleries contrast with the transparency of the public corridors, as they are positively intertwined. External surfaces are clad in 300mm glass louvres splayed at angles of 0, 45, and 90 degrees based on programmatical requirements. The angles provide for constantly changing sight lines, degrees of transparency and refraction, the creation of motion. The effect is a pure cubic volume.

▼建筑南立面外观远景，紧邻城市主要道路，角部开敞，southern exterior view of the Exhibition Hall in the distance that is in the southwest of street cross with an open corner part

▼建筑南立面外观近景，具有透明性建筑表皮，close southern exterior view with transparent facade

▼南立面局部，partial view of the southern exterior view

展览馆内部空间在具备独立完备动线的同时，其核心功能与穿越建筑体量的开放动线始终存在着积极的交织，传统的标志性独立入口被分解成更多有趣的进入方式。开放和漫游使得内外动线因为界面开合视线互动而成为不确定行为的事件空间，建筑如同立体主义式的城市街边闲散游园和小广场。

▼坡道动线示意图，the diagram of the ramp circulation

The internal space has an independent and integrated circulation system. The openness and the circulation make Exhibition Hall as a cubic park and plaza at the street corner.

▼公共动线空间，百叶立面提供通透的视野，the public circulation space, the louvre facade provides a transparent view