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KIT professor Dirk E. Hebel writes about Germany as a country with an incredibly large anthropogenic material store but with a lack of ideas how to use it. Our cities have the potential to be transformed into urban mines, to consumers and suppliers of resources. The challenge of an infinite cycle of resources lies in new construction methods and technologies to reach a new generation of building materials and methods that are qualitatively sustainable, ecologically harmless, technically pure, economically attractive and endlessly recyclable.
The Mehr.WERT.Pavillon serves as a clear example for this. All materials used in the project have already gone through at least one life cycle, in the same or modified form. The Mehr.WERT.Pavillon proves overall the applicability of the raw material warehouse – also in structural applications – and shows the beauty inherent in the respective materials.
Students, researchers and professors of KIT Karlsruhe, together with the architects’ office 2hs, realized this circular pavilion from recycling materials at the Federal Garden Show 2019 in Heilbronn. The ‘Mehr.WERT.Pavillon’ is part of the so-called ‘Mehr.WERT.Garten’, a partner project of the Ministry of the Environment of Baden-Württemberg with the Entsorgungsbetriebe of the city of Heilbronn. It explores the question how we and future generations can live well and how we can develop our economy positively without consuming any of the scarce resources of our planet.
In a grand opening ceremony today, the Federal Garden Show BUGA 2019 in Heilbronn opened its doors to the public in the presence of German president Frank-Walter Steinmeier and state premier Winfried Kretschmann. Located at the center, the Mehr.WERT.Pavillon now houses and represents for the next 6 months an exhibition on resource use and re-use, focusing on Baden-Württemberg and the built environment. The pavilion was designed by KIT students and staff of the professorships Sustainable Construction, Structural Design and Building Technologies, and realised in cooperation with the office 2hs Architekten und Ingenieur PartGmbB.
For more information on the pavilion, please click here. For information on the program and exhibition, please click here. For the press kit, please click here.
The 2019 German Federal Garden Show (BUGA) in Heilbronn is both garden and city exhibition. The newly built city quarter Neckarbodenis intends to be a test bed for a new urban area that exemplifies how people live well together in a densely populated urban setting. In this context, the relevance of the question of resources that will still be available and sustainably used in the future cannot be overestimated.
Situated on a central lot of the BUGA terrain, the Mehr.WERT.Garten (translation: Added.VALUE.Garden) and its pavilion address the question how we can perform a paradigm shift in the way we use our resources, from the currently dominant linear economy (take, make, throw) towards a circular economy of closed and pure material cycles. The Mehr.WERT.Pavilion is the shell, as well as main element of an exhibition on local and global resource use, alternative materials as well as their applications in a circular design and construction. On the one hand, the pavilion makes use of the existing urban mine – all materials used in the project have already undergone at least one life cycle, either in the same or in a different form. On the other hand, it acts as a material depot, which will become available again for future constructions at the end of the exhibition. As such, materials utilised in the construction of the Mehr.WERT.Pavillon are specified and employed in a way that allows their complete re-introduction into pure and type-sorted material cycles for reuse, recycling or bio-degradation after the decommissioning and deconstruction of the building. The pavilion’s objective is to proof that it is possible already today to design, detail and construct according to the principles of the circular economy.
The pavilions building materials are separated into four groups: (1) the load-bearing structure is largely made from reused steel originating from a disused coal-fired power plant in north-western Germany. It consists of four inclined supports that fan out like trees and are connected to each other by a rigid steel frame structure. (2) The façades and roof are clad in panels manufactured from recycled bottles glass and industrial glass waste. (3) The furniture is built from recycled HDPE plastic waste, while the chairs are 3D printed from plastic household waste. (4) The floor of the pavilion as well as the landscape design of the garden forms an assemblage of various reused and recycled materials and products made from mineral construction and demolition waste.
Mehr.WERT.Pavillon serves as a laboratory and test run for future construction projects as well as their building processes. The aim is to discuss important issues of construction and the associated use of resources with decision-makers from politics, construction planning and implementation and to develop new innovative concepts, applications and methods, both in practice and in teaching. The pavilion design originated in the design studio Building from Waste of the Professorship of Sustainable Construction at KIT Karlsruhe. It was further developed by KIT students Lisa Krämer, Simon Sommer, Philipp Staab, Sophie Welter, and Katna Wiese in collaboration with the Professorships Tragkonstruktionen (Prof. Matthias Pfeifer / Certification engineer) and Bautechnologie (Prof. Rosemarie Wagner / Structural form finding), as well as the office 2hs Architekten und Ingenieur PartGmbB.
Project credits
Client: Entsorgungsbetriebe der Stadt Heilbronn Ministerium für Umwelt, Klima und Energiewirtschaft Baden-Württemberg Bundesgartenschau Heilbronn 2019 GmbH
Pavillon: Design: Lisa Krämer, Simon Sommer, Philipp Staab, Sophie Welter, Katna Wiese, Professorship of Sustainable Construction, KIT Karlsruhe Planning, structural design and execution: 2hs Architekten und Ingenieur PartGmbB Hebel Heisel Schlesier with Lisa Krämer and Simon Sommer Structural form finding: Prof. Rosemarie Wagner, Fachgebiet Bautechnologie, KIT Karlsruhe Certification engineer: Prof. Matthias Pfeifer, Karlsruhe, Germany Object construction: AMF Theaterbauten GmbH Electrical and lighting design: Udo Rehm / FC-Planung GmbH Lightning protection: Gebr. A. & F. Hinderthür GmbH Electrical installation: Elektro-Scheu GmbH Furniture construction: Kaufmann Zimmerei und Tischlerei GmbH Visualizations: Manuel Rausch Video Documentation: Fülmbüro – Videoproduktion Stuttgart
Garden and exhibition: Landscape architecture: Frank Roser Landschaftsarchitekten PartGmbB Landscaping: GrünRaum GmbH Exhibition design: Idee-n, Büro für nachhaltige Kommunikation Exhibition construction: ING.Büro Wegweiser Recycling workshop: Kunststoffschmiede / Konglomerat e.V. E-waste art: Prof. Abraham David Christian, Vito Pace, Fakultät Gestaltung, Hochschule Pforzheim
Project partner: AMF Theaterbauten GmbH, Deutsche Foamglas GmbH, Glas Trösch GmbH, Hagedorn GmbH, Handy-Aktion Baden-Württemberg, Heinrich Feeß GmbH & Co. KG, Institut für Umwelt- und Zukunftsforschung – Sternwarte Bochum, Magna Naturstein GmbH, Really ApS, Schröder Bauzentrum GmbH / DeFries, Smile Plastics, SPITZER-Rohstoffhandelsgesell. mbH Selb, StoneCycling BV, Studio Dirk Vander Kooij
Main sponsors: GreenCycle GmbH DSD – Duales System Holding GmbH & Co. KG SER Sanierung im Erd- und Rückbau GMBH
credit: Jonathan Preker – Copterbrothers
Karlsruher Institut für Technologie
Fakultät für Architektur
Institut Entwerfen und Bautechnik
Hebel, Dirk E., BILD der FRAU (2021), Nachgefragt bei WELTbewegern: Bauen wir bald Häuser aus Pilzen?, in: BILD der FRAU.
OFFSPRING: The KIT material library
February 17, 2021
Hebel, Dirk E., and Böhm, Sandra (2020), NACHWUCHS: Die KIT-Materialbibliothek, in: ASF Journal 2020,p. 46.
From breeding, cultivation, seeding and harvesting of biological building materials
January 18, 2021
Presentation of some projects of the symposium grow.build.repeat.
Schimmelpfennig, Nadine (2021), Vom Züchten, Kultivieren, Säen und Ernten biologischer Baumaterialien, in: Deutsche Bauzeitschrift, Zukunftsfähig Bauen, January 2021, p. 40-43.
100% Ressource: Bauten als Rohstofflager
December 10, 2020
Dirk E. Hebel (2020), 100% Ressource: Bauten als Rohstofflager, in: Sorge um den Bestand, Zehn Strategien für die Architektur, von Olaf Bahner, Matthias Böttger und Laura Holzberg für den Bund Deutscher Architekten BDA, Dezember 2020, p. 165-177.
Materials science during studies
November 10, 2020
Dirk E. Hebel, Sandra Böhm (2020), Materialkunde im Studium, in: Der Entwurf – Magazin der DBZ für junge Architekt*innen und Ingenieur*innen, November 2020, p. 14-17.
Recycling
October 16, 2020
Dirk E. Hebel (Referent), Markus Freitag (Podiumsgast), Barbara Bleisch (Moderation) (2020), Recycling, in: Auf Zeit – Architektur Forum Ostschweiz, Edition 2019, p. 153-174.
The built environment becomes an urban mine
October 16, 2020
Hebel, Dirk E. (2020). Die gebaute Umwelt wird zur Urbanen Mine, in: Die Quadratur der Kreislaufwirtschaft – Weshalb eine Ökonomie der Kreisläufe auf gesellschaftliche Kooperation bauen muss, W.I.R.E., David Hesse, Simone Achermann. p. 16-27. Zurich, Switzerland
From the circulating, sowing and harvesting of future building materials
August 26, 2020
Hebel, Dirk E. (2020). Vom Zirkulieren, Säen und Ernten zukünftiger Baumaterialien, in: Bauen im Wandel. Zukunft Bau Kongress 2019, BBSR. p. 74-79. Bonn, Germany
Tremendous possibilities
August 26, 2020
Hebel, Dirk E. (2020). Ungeheure Möglichkeiten, in: der architekt. material der stadt. 4/2020(Bund Deutscher Architekten BDA), Berlin, Germany
Constructed from mycelium
July 21, 2020
Klaaßen, Lars (2020). Aus Pilz gebaut, in: Süddeutsche Zeitung. 18.07.2020, München, Germany
The opportunities of the urban mine
July 7, 2020
Hebel, Dirk E. (2020). Die Chancen der urbanen Mine. Wie ein kreislaufgerechtes Bauen die Ressourcenfrage der Zukunft decken kann, in: PLANERIN. Mitgliederfachzeitschrift für Stadt-, Regional- und Landesplanung, p. 21-24. 3_20, Berlin, Germany
Stark wie Stahl
July 2, 2020
Beck, Gabriela (2020). Stark wie Stahl, in: Süddeutsche Zeitung s.41, Nr.90, Bauen und Wohnen, 18./19.04.2020. München , Germany
Changing Paradigms!
March 19, 2020
Hebel, Dirk E., Werner Sobek (2020). Changing Paradigms: Materials for a World Not Yet Built, in: The Materials Book, 139-141. Berlin, Germany: Ruby Press
Hebel, Dirk E., Felix Heisel (2020). Culitvated Building Materials: The Fourth Industrial Revolution?, in: The Materials Book, 145-149. Berlin, Germany: Ruby Press
Heisel, Felix (2020). Reuse and Recycling: Materializing a Circular Construction, in: The Materials Book, 156-160. Berlin, Germany: Ruby Press
Pavilion made of recycled materials
March 19, 2020
KIT Karlsruhe (2020). Pavillon aus Recycling-Materilaien, in: Neuland, Innovation am KIT 2019, 2020. 40
House building for the heirs
March 19, 2020
Hebel, Dirk E. (2020). Hausbau für die Erben, in: Südzeit, March 2020: no. 84, 8-9
Showering as a school subject
March 19, 2020
Wüthrich, Christa (2020). Duschen als Schulfach, in: Bildung Schweiz, March 2020: no. 2, 29-32
We’re running out of sand!
March 19, 2020
Prof. Dirk E. Hebel talks about the shortage of sand.
Sakowitz, Sven (2020). Uns geht der Sand aus, in: HÖRZU Wissen, 19 th March 2020, No.2, 64-69.
Build Sustainably and Act Future-Oriented
February 25, 2020
Interview with Prof. Dirk E. Hebel (2020). Build Sustainably and Act Future-Oriented. (Interview about his research as the head of the Department of Sustainable Building at KIT, specific challenges facing the construction industry concerning the reuse of materials and their sustainability and about the KIT being part of the SBM Summit taking place at Karlsruhe Trade Fair Centre on 18 and 19 June 2020.), in: stories, 01/2020: 22-24
Die Stadt wird zum riesigen Rohstofflager
February 19, 2020
Ulrich Coenen (2020). Die Stadt wird zum riesigen Rohstofflager. (Second part of an interview with Prof. Dirk E. Hebel about the practice of urban mining, the energetic redevelopment of existing buildings and the establishment of new building materials and future energy efficient technologies.), in: Badische Neueste Nachrichten, 18th February 2020: no. 40, 17
Diskrepanz zwischen Anspruch und Realität ist groß
February 12, 2020
Ulrich Coenen (2020). Diskrepanz zwischen Anspruch und Realität ist groß. (First part of an interview with Prof. Dirk E. Hebel about Sustainable Thinking, Acting and Building, technical and biological circulations, unmixed and pure construction methods and the application of urban mining.), in: Badische Neueste Nachrichten, 11th February 2020: no. 34, 17
Kreislaufgerechtes Bauen – Kultivierte Baumaterialien: UMAR & MycoTree
February 5, 2020
Dirk E. Hebel, Felix Heisel (2020). Kreislaufgerechtes Bauen – Kultivierte Baumaterialien,in: H2O – Das Kundenmagazin von Keramik Laufen und Similor, January 2020: 22-23
Second-hand is on Trend: Urban Mining and Recycling (UMAR)
February 5, 2020
Sabina Strambu (2020). Second-hand is on Trend, in: DETAIL selection – Special Publication Products 2020. Recycling – Materials, Systems, Concepts: 4-6
Urban Mining and Recycling (UMAR) and Research Seminar ‘Bau auf!’
January 22, 2020
Dirk E. Hebel, Felix Heisel (2020). Urban Mining and Recycling (UMAR), and Dirk E. Hebel, Sandra Böhm (2020). Bau auf! Kreislaufgerechte Architektur in der Lehre,in: BAUART – Architektur und Kultur, inspiriert durch Heimat, Ausgabe 03/2020
MICMAC – Micro Macro Michael Hosch, Competition for Modern Expansion and Lightweight Construction
December 20, 2019
Hochschulinitiative “Moderner Aus- und Leichtbau” (2019). MICMAC – Micro Macro, in: Wettbewerb 2018/2019 Moderner Aus- und Leichtbau
Sustainable construction should not be an option!
December 20, 2019
Krämer, Lisa, Simon Sommer, Katna Wiese, Sophie Welter, Philipp Staab (2019). Nachhaltig bauen, sollte keine Option sein, in: DBZ Der Entwurf , November 2019
Ein Gespräch über das Wieder- und Weiterverwenden von Baustoffen
October 15, 2019
Isopp, Anne and Felix Heisel (2019). Ein Gespräch über das Wieder- und Weiterverwenden von Baustoffen, in: zuschnitt 19(75): 16–19.
Zukunft braucht Kreislauf! Mehr.WERT Pavillon, UMAR & MycoTree in db Deutsche Bauzeitung
October 11, 2019
Scharf, Armin (2019). Zukunft braucht Kreislauf. db deutsche bauzeitung, 152. Jahrgang, Ausgabe 09.2019, S.68-70
Besser – Anders – Weniger!
October 10, 2019
Fachgebiet Nachhaltiges Bauen, Professur Dirk E. Hebel (2019). Besser – Anders – Weniger!, Strategien für suffizienten Wohnungsbau im Bestand. KIT Karlsruhe
Was die Natur so bietet
October 10, 2019
Hans-Christoph Neidlein (2019). Was die Natur so bietet. (Pilzmyzelium und Bambus, Forschung nach alternativen Baustoffen am Fachgebiet Nachhaltiges Bauen). Süddeutsche Zeitung, Nr. 206, 6. September 2019, 23
Calculation and Evaluation of Circularity Indicators for the Built Environment Using the Case Studies of UMAR and Madaster
October 9, 2019
Heisel, Felix and Sabine Rau-Oberhuber (2019). Calculation and Evaluation of Circularity Indicators for the Built Environment Using the Case Studies of UMAR and Madaster, in Journal of Cleaner Production 243 (SI Urban Mining): 118482. DOI:10.1016/j.jclepro.2019.118482
