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杭州东站花园国际丨中国杭州丨goa大象设计

2023/03/02 12:00:25

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个性化的、不趋同的商办园区设计将利于城市空间多样性的实现。面对此类项目，我们总是鼓励找到场地独有的特质、场地与城市的专属关系密码，再从中生发完整的设计线索。

—— 凌建，goa 大象设计执行总裁&总建筑师

LING Jian, Executive President & Principal of GOA

01 轨交枢纽旁的商务地标

杭州东站是中国高铁网“八横八纵”的关键节点，也是“亚洲最大的铁路交通枢纽”之一。为打造以东站为中心的“国内一流枢纽经济示范区”，杭州城东新城将发展 150 万㎡的商业矩阵集群，补齐板块商业发展劣势。东站花园国际位于枢纽东轴线一侧的重要路口，距东站不足 1000m，项目旨在成为串联城市活力环的活力点，为区域商务业态赋能。

Hangzhou East Railway Station is one of Asia’s largest railway hubs, also a key node in China’s “Eight Vertical and Eight Horizontal” high-speed railway network. As a first-class domestic Hub Economy Demonstration Area adjacent to the station, Hangzhou Chengdong New Town is developing a 1.5-million-square-meter commercial cluster to promote regional economic growth. The office park of Garden International is within one kilometer of Hangzhou East Railway Station, a key intersection on the east axis of the traffic hub. The program aims to connect the urban dynamic circle to boost local businesses.

▼杭州东站，HangzhouEastRailwayStation © goa 大象设计

东站花园国际总用地面积约为 2.4 万㎡，总建筑面积约为 13.7 万㎡，聚合三幢花园式办公楼、一幢星级酒店和漫步式商业街区。场地内多业态复合让“商业”“商务”与“商旅”良性互补、循环互动，形成独特的“商业商务生态链”。

▼区位分析图，Location Analysis © goa 大象设计

The Garden International encompasses approximately 24,000 square meters of land and 137,000 square meters of floor area. It consists of three garden-style office buildings, a five-star hotel, and a pedestrian commercial district. This functional combination enables “commerce,” “business,” and “business travel” to complement and engage with one another, thereby developing a distinctive “commercial and business chain.”

▼夕阳下的花园国际，Garden International at Sunset © goa 大象设计

02 场地的极限挑战 Responding to Site Complexity

项目用地十分紧张。根据规划，地块限高 50m 并须满足 3.5 的容积率。以单栋建筑 12 层核算，建筑密度至少高达 40%。同时，基地东北侧规划的居住区距离场地不足 50m，新建办公楼需要较多退让以满足周边住区的日照需求。双重因素作用之下，可供建筑布局的场地环境已十分狭促。

▼场地分析图，Site Analysis © goa 大象设计

According to municipal planning, the project must meet a plot ratio of 3.5 within a limited land area and a height restrict under 50 meters. With a 12-storey structure, the minimum building density will reach 40%. In the meantime, a planned residential neighborhood less than 50 meters to the northeast of the site requires that the new office building be set back to allow for sufficient sunlight exposure. Given these factors, the available space is extremely constrained.

▼场地俯视图，Top View of the Site © goa 大象设计

而在场地局限性的另一侧，是项目优越的区位所对应的对于形象和标志性的需求。场地南侧毗邻杭州东站视线主轴，北侧所临天城路是直通车站的主要道路之一。场地西北、西南成为重要的形象展示面，也参与构成杭州东站周边的城市天际线。如何在有限的场地条件下创造出舒适宜人、小中见大的空间体验，在尊重城市界面完整性的基础上兼而满足地标性要求，是建筑师面临的挑战。

Additionally, the project must deliver a landmark image that corresponds with its prime location, which is along the main visual axis to Hangzhou East Railway Station in the south and next to Tiancheng Road, one of the major roads leading to the station, in the north. The site’s northwest and southwest become crucial display interfaces, as well as a skyline adjacent to the traffichinge. Architects are challenged by such a complex site context to provide a comfortable and vibrant space while maintaining the integrity of urban interfaces.

▼花园国际街角，A Street Corner of Garden International © goa 大象设计

03 顺势而为的“扭转”

“Twisting”，A Rational Gesture

基地与正南北向存在 37°的夹角，这一看似消极的因素恰恰成为建筑师解题的线索。方案首先根据功能需求沿城市道路布置体量，保证建筑容量及较好的贴线率；在此基础上，建筑师通过一个巧妙的“扭转”动作，将斜向布置的矩形楼栋扭为弯折形态，四条弯折线条继而构成“围而不堵”的“风车状”布局。

There is a 37°angle between the site and the north-south axis. This seemingly negative factor led the architects to the design solution. First, buildings are arranged along the urban road in accordance with functional requirements to maximize building volume and near-line rate. Second, these rectangular masses arranged diagonally are “twisted,”resulting in four curved lines that create an encircled yet open “pinwheel” layout.

▼形体生成分析图，Generation Analysis © goa 大象设计

这一独特的总图策略不仅完美满足容积率要求、东北侧日照要求、退界要求等苛刻条件，更在尊重城市界面完整性的同时实现了自身个性的表达。因扭转而成环抱之势的楼宇相互呼应又各自独立，曲折灵动的内部空间给人以“自然峡谷”般的奇特体验。

This distinguishable masterplan not only satisfies the requirements for plot ratio, natural light access, and setback, but also articulates the architectural aesthetic while respecting the urban interface’s integrity. Each structure in the “twist” encircles and echoes the others. Each turn of the interior space provides a special experience of being in a natural canyon.

▼“峡谷”景观，The “Canyon” View © goa 大象设计

为规避对视影响，建筑师将核心筒布置于建筑中的相对消极空间——楼栋间距最近的转角处。为强化“峡谷”的空间层次，建筑师在 3 层、11 层高度设计了局部退台，种植绿色植物，为办公人群提供工作之余放松身心的平台。

To avoid visual conflict between buildings, the architects positioned the core in passive spaces, the corners where the buildings are closest apart. Green terraces at 3rd and 11th floors further enhance the spatial layers of the “canyon” and provide relaxing platforms for office workers.

▼园区底层空间，Ground Floor View © goa 大象设计

“扭转”后的建筑在场地四周留出尺度适宜的小型广场，具有强引导性的弧形界面展现出全然的开放姿态，吸引四面八方的人们从城市街道走进场地内部，或参与商业消费，或漫无目的地游走闲坐。

The “twist” allows for multiple small plazas around the buildings and the arc interface conveys a sense of accessibility, serving as a directional sign that invites people to enter and encourages them to engage in a variety of activities, whether for a specific purpose or simply a free walk.

▼内部行人视角，Pedestrian View in the Park © goa 大象设计

▼办公楼入口，Office Building Entrance © goa 大象设计

04 简洁而丰富 Simple but Rich

杭州规定居住建筑 100 米范围内，朝向住宅的建筑立面禁止设置玻璃幕墙。结合造价等限制条件，建筑师在“窗墙体系”的基础之上构想立面设计。

In Hangzhou, full glass curtain walls are prohibited within 100 meters of residential structures. Considering this prerequisite together with cost control, the architects began the facade design with an appropriate glazing ratio.

▼建筑立面，Building Facades © goa 大象设计

最终的建筑立面体现了形式感与功能性的融合。结合弯弧体量的几何特征、隐藏开启扇的需求，建筑师采用横向铝板构件作为建筑立面的主要要素。为同时满足建筑不同朝向部位的差异性需求——西侧趋避西晒、南侧引入日照，建筑师对出挑的铝板构件做出三维扭转处理。

The facade is a synthesis of form and function. To accommodate the curved volume and the requirement to conceal openable windows, the architects selected transverse aluminum panels as the primary facade elements. These cantilevered panels were twisted in three dimensions to satisfy the varying needs of different building orientations, such as avoiding excessive sun exposure on the west and maximizing access to natural light on the south.

▼铝板概念草图，Concept Sketches of Aluminum Panels © goa 大象设计

▼立面层次，Façade Gradation © goa 大象设计

东西侧高 1.5m 的梯形截面扭转渐变为南侧高 0.5m 的三角形截面，给人以“横看成岭侧成峰”的观感。整体立面简洁优雅而富于变化。站在城市街道观看，所有立面开启扇被隐藏于遮阳构件后，高性价比的窗墙体系仍然实现了近似于幕墙体系的品质感。

The trapezoidal sections with a height of 1.5m on the east and west sides were gradually twisted into a triangular section with a height of 0.5m on the south side, presenting the structure a variation of looks from different angles. In general, the building envelope is simple, elegant and rich. Readable from the street, all openable windows are concealed by sunshade components. The cost-effective window-wall system provides the same impression of quality as a curtain wall system.

▼沿街立面，Building Facades Facing the Street © goa 大象设计

05 材料与细部 Materials and Details

项目采用氟碳喷涂的银白色穿孔铝板，铝板渐变收边处通过类似榫卯相扣的精细化节点确保建筑外观的精致度。玻璃颜色较深，透光率约为 42%，反射率约为 13%。在深色玻璃的映衬下，铝板的优雅、轻盈被表现到极致；而铝板的反射也让玻璃的色泽局部提亮，体现出层次感。建筑师花费了将近一年时间进行打样，确保从不同角度不同朝向观看材料，都能呈现细腻优雅的色彩色泽感受。

The project employs fluorocarbon-coated silver perforated aluminum panels in which the gradient edges are secured with a fine mortise and tenon joint to ensure the exterior aesthetic. The glass has a dark hue, approximately 42% light transmittance and 13% reflectivity. Against a backdrop of dark glass, the elegance and lightness of aluminum panels stand out magnificently. By partially brightening the glass, the reflection of aluminum panels creates a sense of depth and adds dimension. The architects spent nearly a year testing various prototypes to ensure that the material appeared delicate and elegant from all angles.

▼立面细节，Façade Details © goa 大象设计

▼细部光影变化，Light and Shadow Details © goa 大象设计

▼铝板细节，Aluminum Panel Details © goa 大象设计

结语

Conclusion

依托杭州东站巨大的人流量和潜藏的商机，东站花园国际旨在塑造一座具有城市属性的开放式园区。建筑师综合考虑经济性和地标性，探索出一系列“因地制宜”的巧妙策略，为同类型的建筑提供了一种新思路。

The Garden International aims to provide an urban park in response to the enormous passenger volume and commercial potential of a major urban traffic hub. Taking into consideration economy and landmark, the architects developed a series of ingenious strategies to respond to intricate site conditions, showing new design perspectives on a conventional architectural category.