可灵活分割的大楼：荷兰合作银行办公室 / UNStudio

UNStudio

https://www.unstudio.com/

设计单位  UNStudio

项目地点  荷兰， 埃因霍温

建筑表面积  28,000平方米

建造周期  2011—2017年

荷兰合作银行办公室位于荷兰埃因霍温，是一座崭新的、注重可持续发展的大楼。该项目旨在创造一个能满足公司理念，并使合作交流与专心独立的两种工作模式都得以实现的最佳工作环境。

The aim of the design for this sustainable new office building in Eindhoven is to create an optimal office environment that corresponds to the ideal working methods outlined in the ''Rabobank unplugged'' principle and facilitates an environment in which both cooperation and concentration is made possible.

在城市规划的角度上，该设计希望可以优化公共领域之间的连接，同时把每个建筑独立流通的组织结构连接成一个开放式校园般的结构。

On the level of urban planning, the goal of the design is to optimise connections with the public domain by transforming the more inteally oriented organisation that is commonly found in stand-alone buildings, to an open campus effect.

使建筑体块与周围环境相协调，是设计过程中的核心挑战之一。为了实现这个目标，整个体块被分割成三个横向偏移的部分，在视觉上起到从地平线上缓缓过渡上升的效果。环绕建筑的瓷砖带强调了这些偏移：它们的顶端和底端都由铜色面板覆盖，为建筑提供了水平方向上的连接。这些设计在视觉上降低了建筑的体积感，使其调整为与周围环境更加合适的比例。

One of the key design challenges was to balance the massing of the building with the surrounding environment. In order to achieve this, the volume of the structure is divided into three horizontally shifted elements which are visually raised from the landscape. The shifts in these offset volumes are emphasised by ceramic bands that wrap around the building - the tops and undersides of which are clad in copper-coloured panels – and provide a horizontal articulation which visually reduces the overall mass of the building and brings it into proportion with its surroundings.

此外，这些偏移的体块同时反映了内部组织系统的分布情况。办公楼被分成每三层一组，并在其中交替穿插进特殊楼层。这些特殊楼层可以用作不同的功能，以增大建筑的灵活性。

In addition, these shifted main volumes simultaneously reflect and express the model that was used for the inteal organization of the building. Office floors are clustered in groups of three and alteated with special floors - classified as ''identity'' floors according to the Rabobank ‘unplugged principle’. These special floors can be used for different functions, enabling extensive flexibility within the design.

为楼层尽可能地带来最大的灵活性是设计的重点。因此，整栋楼被分成了两个独立的建筑，为同时由两个独立的机构进行管理提供了可能性。

The whole building is in fact designed to facilitate the most flexible floor use possible. For this reason, the building is also technically divided into two separate buildings (from egress to technical equipment and air handling) so that it may also be owned by two separate parties in the future.

除此以外，办公楼层还可以用其他方式细分——每层在水平方向上的分割，或每组办公楼在垂直方向的分割。这为不同的工作分组提供了便利，可以同时给多达四组不同的独立租户使用。

In addition to this, the office floors can be subdivided in different ways (per floor horizontally, or per bundle of floors vertically). This can facilitate different working group arrangements, but also enable multi-tenant usage in the future with up to 4 different tenants per floor.

楼层平面图的基本布局是一个包含两个核心筒的方形框架。中空在三个体积内斜向上升，保证了最佳的采光。虚空和楼梯的结合为不同楼层之间创造了开放感和透明感，同时促进了楼层之间的交流。

The basic layout of the floor plans is based on a square frame with two main cores housing elevators. The atrium, which shifts diagonally within the three volumes, ensures optimal daylighting. Voids with connecting staircases create a sense of openness and transparency and facilitate communication between the different floors.

楼层的上半部分为埃因霍温市提供了全景视野，而下半部分的多层结构连接了包含汽车，自行车，行人，员工和访客的不同种类的流动，而位于下层停车场上方的一个平台则引导着来访者进入建筑内部。

The upper floors of the buildings offer panoramic views across the city of Eindhoven, while on the ground floor a layered structure guides and links the different flows: cars, bicycles, pedestrians, employees and guests. An accessible deck above the lower parking layer guides towards the main entrance of the building.

为了在设计阶段能获得BREEAM绿色建筑优秀认证，建筑将可持续发展纳入了核心设计理念之中。建筑的中庭设计使其节能率高达91.5%，并为工作环境提供了充分的自然采光，给员工提供一个合适的会面场所。

In order to achieve a BREEAM Excellent certificate in the design phase, the building relies substantially on its base design concept. Designed as an atrium building, it achieves a very high efficiency (91.5%) to reduce the energy. In addition to creating a place for all employees to meet, the atrium also provides a daylight filled work environment.

此外，中庭还起到了建筑物的热缓冲器的作用，减少了外部外墙的面积，同时保留了良好的视野。这种类型也为大型办公楼（平均面积2800平方米）提供了灵活性，使得每层的空间可以平分给四位用户。为了进一步降低能量，建筑外皮的开合比例约为50%。通过日光控制和办公照明的监控，电力也得到了进一步的控制。该项目还成为了“PowerWindows”电动窗的的第一位使用者。

It also serves as a thermal buffer for the building and reduces the exterior facade area while maintaining good views. This typology also allows for large office floors (of average 2800m²) that can be utilised flexibly and can be split into up to 4 users per floor. To reduce energy further, the envelope was designed with an open/closed ratio of ca. 50%. The electricity use has been further limited by utilising daylight control and presence detection for the office lighting, while excessive energy-use can be monitored through sub-metering of all main users. The project also serves as a first pilot for PowerWindows.

该建筑为使用者提供了更高级别的舒适度。可以根据气候控制室温的气候天花板为建筑提供了更高的舒适性，而它与含水层蓄能系统的结合也减少了用于夏季冷却和冬季加热的能量。小型控制网格为气候提高了可控性。除此以外，仔细挑选过的材料也降低了VOC（挥发性有机化合物）的排放，使建筑达到了高质量的空气标准。设计将楼梯置于各层工作区视线范围内，以此鼓励员工的使用，打造更健康的工作环境。

The building achieves a high level of comfort for its occupants. Climate ceilings provide high thermal comfort while the combination with an aquifer thermal energy storage system reduces the energy use for cooling in summer and heating in winter. The small control grid allows for a high controllability of the climate. High air quality is also reached, aided by a careful selection of materials to reduce VOC emissions. The healthy work environment is supplemented by encouraging employees to use the open inteal connecting stairs between all floors that are visible from the working areas.

为了鼓励员工将车留在家里，选择其它方式上班，这个项目同时包含了一个大型自行车储存设施和相关的配套设施，如淋浴和个人物品寄存处；同时配备了街对面火车站的时刻表。场地附近的绿化为不同鸟类和蝙蝠的栖息提供了可能性，减少了对生态环境的影响。

To encourage employees to leave their car at home the building offers a large bicycle storage facility with additional facilities like showers and personal storage spaces and provides information screens to show departure times of the train station that is situated just across the street. To reduce its ecological impact, next to the planting of trees and green on the site, the building offers possibilities for the nesting of different types of birds and bats in selected places.

完整项目信息

Client: OVG (re)development / MAB
Location: Rabobank Terrein Eindhoven
Building surface: 28,000 square meter
Programme: Stand-alone office building
Status: Completed
Visualisations by: A2 Studio
Schematic Design / Concept Design / Preliminary Design / Design Development/ supervision of tender + construction: UNStudio
Credits:
UNStudio: Ben van Berkel with Arjan Dingsté, Marc Hoppermann and Kristoph Nowak, Marianthi Tatari, Rene Toet, Janne Bacchini, Gerben Modderman, Tina Kortmann, Derrick Diporedjo, Mick Heijkens
Structural engineer: Pieters Bouwtechniek
MEP: Dees
Fire: DGMR
BREEAM: DGMR
Cost-advisor: BBN

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