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德国最大混合木构建筑:柏林EDGE Suedkreuz综合体 / TCHOBAN VOSS Architekten

德国最大混合木构建筑:柏林EDGE Suedkreuz综合体 / TCHOBAN VOSS Architekten
编译:袁蓓祺 | 校对:袁蓓祺 | 2023.01.10 14:10
卡雷大楼外观 ©HG ESCH
卡雷大楼中庭 ©HG ESCH

设计单位  TCHOBAN VOSS Architekten

项目地点  德国柏林

建成时间  2022年5月

建筑面积  32,000平方米


柏林EDGE Suedkreuz综合体由两座混合木结构办公大楼组成,包括一栋“卡雷”大楼、一栋长方形“索利特”大楼、一个地下车库、餐饮单元和商业空间。该综合体高七层,总建筑面积约为32,000平方米,占地约10,100平方米,采用可持续的、气候友好和节约资源的、模块化的混合木构建筑技术建造而成。

EDGE Suedkreuz Berlin is an ensemble of two timber-hybrid office buildings comprising a Carré building, a rectangular building, a basement garage, gastronomic units, and commercial spaces. The project is a seven-storey office complex consisting of two buildings with a total floor area of approximately 32,000 sqm. The complex stands on an approximately 10,100 sqm site and has been built using sustainable, climate- and resource-saving, and modular hybrid-timber construction techniques.


▲ 项目视频  ©Aleksandra Manyakina / TCHOBAN VOSS Architekten



The larger of the two freestanding buildings contains approximately 20,000 sqm of floor space. This makes it – for some time to come – the largest hybrid-timber building in Germany and one of the largest in Europe. The German Sustainable Building Council (DGNB) certified the project as Germany's most sustainable building in 2022. Since summer 2022, it has served as the new German headquarters for the energy supplier Vattenfall.


项目外观 ©HG ESCH
卡雷大楼外观 ©HG ESCH
索利特大楼外观 ©HG ESCH


The area around Berlin Suedkreuz regional, long-distance, and S-Bahn station, part of the so-called ‘Schoeneberger Linse’, is developing into a new urban district with an attractive mix of functions (housing, work, culture, and trade). The new office complex is part of a new urban district.



The smaller of the two buildings (the ‘Solitaire’) is an elongated freestanding building which continues the line of the façade of the larger office building. The latter is a quadrangle-type structure (the ‘Carré’) with an irregular trapezoidal footprint. The two buildings form a street front facing Hedwig-Dohm-Strasse. In the direction of Südkreuz Station, they create a new urban plaza with green spaces and seating.


总平面图 ©TCHOBAN VOSS Architekten


卡雷大楼  The Carré building


The heart of the Carré building is a spacious, light-filled atrium. A two-storey entrance lobby with a clear height of seven metres facing the plaza in front of the building opens up the massive, strictly gridded volume and directs the gaze firmly towards the building’s impressive interior.



The 26-metre-high atrium is covered by a transparent ETFE foil roof carried by a wooden-truss construction. The continuous floor-to-ceiling windows in the offices, the glazed entrance area, and the large panoramic window in the building’s lounge additionally contribute to the abundance of daylight.


概念手绘 ©Sergei Tchoban
卡雷大楼中庭 ©HG ESCH
卡雷大楼中庭 ©HG ESCH
卡雷大楼中庭树状柱 ©HG ESCH


A central highlight is the four treelike shapes of different heights which grow skywards under the foil roof as if in a greenhouse. Their lamellate spruce-wood structure gives them a resemblance to gigantic mushrooms. At ground level, green islands of tranquillity group themselves around their stems. The atrium is additionally enlivened by community and food areas. The crowns of the so-called ‘Trees’ carry platforms for recreation; these form green leisure and communication zones at various heights. The largest is 14.87 metres high and has a platform with a diameter of 6.20 metres; the lowest is 4.28 metres high with a diameter of 7.20 metres. These structures are linked by filigree steps with white railings, which – on the other side of the classical building core – lead via the platforms to the adjacent floors of offices.


卡雷大楼中庭 ©HG ESCH
卡雷大楼中庭树状柱 ©HG ESCH


The fifth floor has a sky lounge with panoramic windows and a spacious external terrace. The lounge is openly linked to the atrium space and, like the offices, may be reached on foot via the ‘tree stairs’.


卡雷大楼中庭穿梭的楼梯 ©HG ESCH


In every part of the building – from the supports, beams, windows, and doors to the claddings and railings – wood is visible in all the interior areas. Each of the building’s inner corners contains a building core with a safety staircase and elevators.


整个室内的设计概念以及为Vattenfall公司开发的新办公区,是由柏林de Winder Architekten设计并与施工方合作实施的。

The entire interior design concept as well as the development of the new office worlds for Vattenfall was developed and accompanied in the implementation by de Winder Architekten Berlin.


望向卡雷大楼中庭 ©HG ESCH
建筑内部木质承重框架 ©HG ESCH


索利特大楼  The Solitaire building


The Solitaire building has a two-storey entrance lobby with a clear height of seven metres. Floors 2 to 7 contain offices. The ground floor houses gastronomic, commercial, and retail spaces. Here too wood is a ubiquitous architectural and design element. The building is entered from the new urban plaza.



Vertical access is by means of a central core with a safety staircase and two elevators. The landscaped outside space of the lounge on the building’s roof has a garden-like quality.



Both the Carré and the Solitaire building have a flexible modular ground plan on all levels. This can be adapted to individual requirements. With an extensive deconstruction concept, the issue of circularity was integrated into the planning at a very early stage. The flexibility and reusability of the building is ensured, among other things, by avoiding load-bearing interior walls, a room height of at least 3m, a well thought-out arrangement of the staircases and the zoning of the technical building equipment.


建筑内部木质承重框架 ©HG ESCH


The four main pillars of the buildings' energy supply are sufficiency, efficiency, combined heat and power and load management. In the process, conditions were created to sensitise the users to a conscious, efficient use of energy. The office spaces are air-conditioned by suspended smart ceilings. A sufficient amount of daylight in the offices minimises the need for artificial lighting.



The two buildings in the office complex share a basement garage with 218 e-mobility spaces for tenants. The bicycle room contains approximately 100 bicycle places, including for e-bikes; there are 32 additional spaces in outside areas.



The office areas as well as the associated ancillary and circulation areas are barrier-free, and all outdoor areas are also designed to be accessible.


建筑阳台夜景 ©HG ESCH


外立面  The façades


The façades have a regular grid consisting of weather-resistant glass-fibre concrete panels. The grid is articulated by horizontal strips and coloured vertical panels. Pylons structure the façades vertically. Glass-fibre pilasters visually reinforce the socle section. The rhythmic façades have a restrained colour scheme which has been chosen individually for each of the two buildings. Two different shades were selected for each façade. In the case of the Carré the colours are Sahara sand for the horizontal strips and terracotta for the vertical structures. The reveals are visually set apart by their silver-grey colour. The Solitaire has corresponding colours: Sahara sand for horizontal elements, silver-grey for vertical elements. The two buildings enter into direct dialogue with one another through their colours and dimensions.


卡雷大楼外立面 ©HG ESCH
索利特大楼外立面 ©HG ESCH


The sustainable façade elements of the two buildings weigh only 30 kg per sqm and are also recyclable. In addition, the façade absorbs CO2 from the air due to the thinly ground cement top layer and thus has a decarbonising effect.



The glass bays with fixed glazing and MicroShade solar protection additionally accentuate the façades; these are one-storey in the case of the Solitaire building and two-storey in the case of the Carré. The remaining windows are fitted with anti-glare protection and external sun protectors.


索利特大楼外立面细节 ©HG ESCH


混合木构造  Hybrid-timber construction


The construction of the buildings focused on reducing the CO2 footprint as much as possible, especially the weight of the complex, and on using sustainable materials that can be recycled according to the cradle-to-cradle principle.



The use of prefabricated modules had a positive impact on various aspects of the construction process. The wooden elements, such as wall and ceiling modules, were prefabricated, then assembled and adjusted on the building site. This ensured a precise construction schedule and an especially time-efficient and accordingly economical construction process. The wall elements were made regionally in Neuruppin; the ceiling elements, in Lemwerder and Henningsdorf. Altogether, 1190 wood-hybrid ceiling elements, carried by 1280 glulam façade supports, and 445 multibox wall elements with a total area of 16,000 sqm were made.


卡雷大楼中庭 ©HG ESCH


Through the intelligent combination of wood with concrete, the modular hybrid solution from CREE-Buildings can save up to 50 % CO2 per sqm of floor area. Low construction weight, short shell construction times, high reliability in planning and costs, and long durability are other advantages of this construction method. 



The construction materials used in EDGE Suedkreuz Berlin are extensively recyclable using the principle of cradle-to-cradle recycling. Reinforced-concrete construction elements were kept to a minimum, being used for fire compartment separation or to stiffen the building. Wood and hybrid-timber elements were installed as the load-bearing framework, especially in the interior; concrete was used for the foundations and basement. The wooden supports and beams carry the building’s overall vertical loads. Compared to conventional reinforced concrete construction, the weight of the building could be reduced by up to 50 % through the timber hybrid construction. This also reduced the use of concrete for the foundation slab, which had an additional positive effect on this new office complex’s CO2 balance.


木质的横梁和门窗框架 ©HG ESCH
室内木质装饰细节 ©HG ESCH


The stairs in the atrium of the Carré are designed as a metal construction in order to avoid unnecessary material consumption with high timber cross-sections and costly metal substructure. The roof structure weighs only 45 kg per sqm due to the specially developed metal nodes, the ETFE foil as well as the filigree wooden components, and ensures greater lighting in the atrium below thanks to narrower cross-sections. At the same time, the roof construction can withstand wind loads of up to 100 kg, as each bar can not only bear tensile but also compressive forces.


卡雷大楼中庭 ©HG ESCH

柏林EDGE Suedkreuz项目以百分制95.4分的德国迄今最高分获得了DGNB白金证书。此外,由于其出色的设计和建筑质量,该综合体还获得了DGNB钻石认证。

EDGE Suedkreuz Berlin received the DGNB Platinum certificate with the highest score ever achieved in Germany of 95.4%. In addition, the ensemble was certified with DGNB Diamond for its outstanding design and architectural quality.


卡雷大楼夜景 ©HG ESCH


设计图纸 ▽


地面层平面图 ©TCHOBAN VOSS Architekten
标准层平面图 ©TCHOBAN VOSS Architekten
卡雷大楼东立面图 ©TCHOBAN VOSS Architekten
卡雷大楼西立面图 ©TCHOBAN VOSS Architekten
卡雷大楼剖面图 ©TCHOBAN VOSS Architekten
索利特大楼东立面图 ©TCHOBAN VOSS Architekten
索利特大楼南、北立面图 ©TCHOBAN VOSS Architekten
索利特大楼剖面图 ©TCHOBAN VOSS Architekten



Address: Hildegard-Knef-Platz 2 and 3, 10829 Berlin

Client: SXB S.à r.l. / EDGE

Floor area: 32,000 sqm

Completion: May 2022

Service stages: 1-4, partly 5, general specifications and creative/design management, BIM

Architect: Sergei Tchoban

Project partners: Stephan Lohre, Karsten Waldschmidt

Team: Julia Angelstorf, Lev Chestakov, Giorgia Fontana, Ulrike Graefenhain, René Hoch, Anastasia Kapustina, Valeria Kashirina, Birgit Koeder, Achim Linde, Fabiana Pedretti, Dennis Petricic, Manuela Peth, Soeren van Ost, Fabio Prada, Anja Schroth, Katharina Stranz, Carolin Trahorsch

Collaborating architects: Service stage 5: granz + zecher architekten GmbH, Berlin

General contractor: ARGE SXB, Suedkreuz Berlin ZECH Bau GmbH, CREE Deutschland GmbH, Rhomberg Systemholzbau GmbH represented by ZECH Bau GmbH, Berlin

Project management: SMV Bauprojektsteuerung Ingenieurgesellschaft mbH, Berlin

Landscaping: service stages 1-4, hochC Landschaftsarchitektur, Berlin; service stage 5, granz + zecher architekten GmbH, Berlin

Structural engineering: Buro Happold GmbH, Berlin; BIT Buero fuer integrale Tragwerksplanung GmbH, Berlin

Building technology: Buro Happold GmbH, Berlin

Sustainability consulting and DGNB/WELL certification: Buro Happold GmbH, Berlin

Interior design: de Winder Architekten GmbH, Berlin

Façade planning: Arup Deutschland GmbH, Berlin

Façades / glass-fibre concrete panels: Rieder Group, Maishofen, Austria

Façades / wall modules: Opitz Holzbau GmbH & Co. KG, Neuruppin

Hybrid ceilings: BWE-Bau Fertigteilwerk GmbH, Lemwerder, thomas allton GmbH, Henningsdorf

Solar-shading glazing: MicroShade A/S, Glostrup, Denmark

Roof construction Carré-Atrium metal: Biedenkapp Stahlbau GmbH, Wangen

Roof construction Carré-Atrium Wood / ETFE foil: Temme // Obermeier GmbH, Rosenheim

Photographer: HG ESCH

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