Description: The project places the railway station underground to recover land to create a new urban area, combining structural and landscape aspects.
Author: Christoph Ingenhoven – Ingenhoven Architects, (Düsseldorf, Germany).
Principal of Ingenhoven Architects, Düsseldorf, Christoph Ingenhoven (center) with staff Peter Pistorius (left) and Hinrich Schumacher receive the global Holcim Award Gold 2006 in Bangkok.
Global jury report The project is highly commended for its innovative approach to integrating material, structural, and product research in a straightforward, sustainable response to reclaiming lost territory of the city.
An efficient and refined deployment of technology is combined with intelligent resource management that offers valuable knowledge transfer across the disciplines of architecture, planning, landscape design, as well as civil, urban, and environmental engineering.
Priority is placed on inspiring a new sense of collective values regarding the potential of place without indulging in extravagant or nostalgic gestures.
With spatial continuity of the urban fabric given utmost significance, the initiative promises long-term beneficial impact on the social, economic, and cultural livelihood of the community by giving viable expression to the potential of returns on shared assets.
Due to its attractiveness, the new station will link two parts of the urban fabric that have previously been divided, amplifying the conditions for social coherence while providing novel possibilities for leisure and communication across generations.
Furthermore, such a broad ranging improvement to an otherwise neglected part of the city will encourage more concerted use of public transport due to the emblematic presence of the facility.
Moreover, the resulting reduction in energy consumption will certainly yield long-term environmental benefits and hopefully spawn more widespread awareness of the need for joint action in resource conservation.
Serving to catalyze a dialogue on the future of municipal sustainability between diverse stakeholders, the project expresses as much consideration for the productive flow of competences as it does for the cost-effective flow of energy and material.
The virtuosity of tectonic articulation achieved at such a large-scale infrastructural undertaking not only conveys an ambience of aesthetic intelligence, but also delivers a culturally refined celebration of collective space.
Image gallery
Main Station Stuttgart, Germany
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 Main Station Stuttgart, Germany The new train station will be covered by a minimalist 420-meter-long concrete shell structure.  Main Station Stuttgart, Germany The main station itself is a public space, offering unrestricted access to the public at any time of the day or night.  Main Station Stuttgart, Germany The project places the railway station underground to recover land and to create a new urban area, combining structural and landscape aspects.  Main Station Stuttgart, Germany Due to its attractiveness, the new station will link two parts of the urban fabric that have previously been divided, amplifying the conditions for social coherence while providing novel possibilities for leisure and communication across generations.  Main Station Stuttgart, Germany The supporting structure of the station hall is a vaulted, seamless concrete shell structure. The vault system is divided into 28 equal modular elements, the chalice supports, between the four platforms and the long outside walls.  Main Station Stuttgart, Germany A solution was sought for Stuttgart that would bring the high-speed trains into the city center despite the difficult topographic situation.  Main Station Stuttgart, Germany The station hall not only connects the city with the high-speed rail network; it is also an important link between the historic city center and the new Stuttgart 21 district.  Main Station Stuttgart, Germany Thanks to the intelligent use of natural energy resources, a high general level of visual and thermal comfort is achieved without the use of primary energy.  Main Station Stuttgart, Germany Delicate glass shell structures show visitors the way into the station from all four directions and provide a link to all parts of the city. Set back from the surrounding streets, they clearly mark the position of the new station hall between Straßburger Platz and Schlossgarten.  Main Station Stuttgart, Germany Project author, Christoph Ingenhoven of Ingenhoven Architects, Düsseldorf, Germany: “Optimal is a building that is as self-sufficient as possible.”  Main Station Stuttgart, Germany World-famous engineer Frei Otto used models to perform the static and dynamic load calculations for the light eyes.  Main Station Stuttgart, Germany Instead of north-south, the new tracks will be aligned on an underground east-west axis – freeing up enormous space for the city.  Main Station Stuttgart, Germany The light eyes are evenly distributed above the platforms, guaranteeing that the station hall has an adequate supply of natural light for up to 14 hours a day.
Photos of the Global Holcim Awards Gold 2006 reception, Stuttgart, Germany – June 1, 2006
 Global Holcim Awards Gold 2006 reception, Stuttgart, Germany – June 1, 2006 Winner of the Global Holcim Awards Gold 2006, architect Christoph Ingenhoven of Ingenhoven und Partner Architekten, Düsseldorf, Germany.  Global Holcim Awards Gold 2006 reception, Stuttgart, Germany – June 1, 2006 (l-r): Reimar Baur, representative of Deutsche Bahn Projektbau; Global Holcim Awards Gold 2006 winner Christoph Ingenhoven of Ingenhoven und Partner Architekten, Düsseldorf; and Reto Willimann, CEO of Holcim Baden-Württemberg.  Global Holcim Awards Gold 2006 reception, Stuttgart, Germany – June 1, 2006 (l-r): Reimar Baur, Deutsche Bahn Projektbau; Matthias Hahn, Co-Mayor of Stuttgart; Christoph Ingenhoven, Global Holcim Awards Gold 2006 winner; Klaus Töpfer, former United Nations Undersecretary-General and Executive Director of UNEP; Hans-Rudolf Schalcher, ETH Zurich; Reto Willimann, Holcim Baden-Württemberg.  Global Holcim Awards Gold 2006 reception, Stuttgart, Germany – June 1, 2006 Global Holcim Awards Gold 2006 trophy.  Global Holcim Awards Gold 2006 reception, Stuttgart, Germany – June 1, 2006 Global Holcim Awards Gold 2006 winner at the reception, Christoph Ingenhoven of Ingenhoven und Partner Architectken, Düsseldorf, Germany.  Global Holcim Awards Gold 2006 reception, Stuttgart, Germany – June 1, 2006 Holcim Awards Stuttgart reception keynote speaker: former United Nations Undersecretary-General and former Executive Director of the United Nations Environment Programme (UNEP), Klaus Töpfer, Germany.  Global Holcim Awards Gold 2006 reception, Stuttgart, Germany – June 1, 2006 Holcim Awards Stuttgart reception keynote speaker: former United Nations Undersecretary-General and former Executive Director of the United Nations Environment Programme (UNEP), Klaus Töpfer, Germany.  Global Holcim Awards Gold 2006 reception, Stuttgart, Germany – June 1, 2006 Welcoming guests and introducing the Holcim Foundation at the Holcim Awards Stuttgart reception: Reto Willimann, CEO, Holcim Baden-Württemberg, Germany.  Global Holcim Awards Gold 2006 reception, Stuttgart, Germany – June 1, 2006 Reimar Baur, representative of Deutsche Bahn Projektbau, Germany.  Global Holcim Awards Gold 2006 reception, Stuttgart, Germany – June 1, 2006 Hans-Rudolf Schalcher, Professor of Planning and Management in Construction, ETH Zurich; Head of the Technical Competence Center (TCC) and Member of the Management Board, Holcim Foundation; and member of the Global Holcim Awards 2006 jury, Switzerland.  Global Holcim Awards Gold 2006 reception, Stuttgart, Germany – June 1, 2006 Holcim Awards Stuttgart reception: architect and engineer Frei Otto and wife Ingrid Otto, Germany.  Global Holcim Awards Gold 2006 reception, Stuttgart, Germany – June 1, 2006 Project model: Main station, Stuttgart, Germany.  Global Holcim Awards Gold 2006 reception, Stuttgart, Germany – June 1, 2006 Project model: Main station, Stuttgart, Germany.  Global Holcim Awards Gold 2006 reception, Stuttgart, Germany – June 1, 2006 Video presentation: Main station, Stuttgart, Germany.  Global Holcim Awards Gold 2006 reception, Stuttgart, Germany – June 1, 2006 Holcim Awards Stuttgart media briefing (l-r): Global Holcim Awards Gold 2006 winner Christoph Ingenhoven of Ingenhoven und Partner Architekten, Düsseldorf, and Reto Willimann, CEO, Holcim Baden-Württemberg, Germany.
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