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Building with renewables – our nature as material stock Dirk E. Hebel, Sandra Böhm und Elena Boerman (Editors), Fraunhofer IRB Verlag, Stuttgart, 2024
With contributions from Hanaa Dahy, Moritz Dörstelmann, Alireza Javadian, Mitchell Joachim, Henk Jonkers, Andrea Klinge, Clemens Quirin, Eike Roswag-Klinge, Martin Rauch, Nazanin Saeidi, Michael Sailer und Werner Schmidt.
Designing our built environment in a socially, economically and ecologically fair way is a major social responsibility for all planners. How can we address the scarcity of resources in construction and achieve a completely circular economy? International experts from research and practice are addressing these important questions, with a particular focus on renewable and bio-based building materials. In addition to traditional building materials such as wood and clay, they also describe a variety of innovative bio-based materials and building products and consider their performance and availability. Their visions and ideas outline how biomaterials can be used in buildings and constructions. Project examples offer inspiration for your own planning and building. A collection of selected material examples illustrates the special aesthetics and value of components made from sown, grown and harvested resources. In order to preserve our livelihoods, much more focus must be placed on circular biological materials. The positive incentives and food for thought in this book show possible ways to build in consistence with our natural processes and systems.
The association “KIT Freundeskreis und Fördergesellschaft e.V.” (KFG) awards annual prizes to KIT employees from administration, infrastructure or infrastructure-related scientific institutions as well as to non-academic young talent for particularly outstanding support services for science. The KFG determines the prize winners and the amount of prize money based on a proposal from a KIT internal selection committee.
Ms. Siedentopp, secretary at the Professorship of Sustainable Building at the KIT Faculty of Architecture, was awarded one of these prizes with prize money of €1,500.00 for her achievements at the KFG’s summer reception on July 15, 2024 in the NTI lecture hall awarded in 2023.
Ms. Siedentopp has worked as a secretary at the Faculty of Architecture since 1998. She was extremely committed to the Solar Decathlon Europe 21/22 university competition, the world’s largest architecture competition for universities, from which the RoofKIT project submitted by KIT emerged as the winner. In over three years of intensive interdisciplinary teamwork, Ms. Siedentopp has exceeded the enormous range of special tasks within this competition. It managed a budget of EUR 1.6 million. The building prototype of this project was inaugurated on the South Campus in April 2023. Since then, it has served as a research and real-world laboratory at this location and can be viewed by the interested public, a task that Ms. Siedentopp is also responsible for. Ms. Siedentop will retire at the end of 2024. We congratulate Ms. Siedentopp on this special award and wish her all the best for her professional and private future!
Full landfills, ambitious climate targets: By 2050, the European Union wants to introduce a comprehensive circular economy. For the turnaround in construction to succeed, material resources must be fully reused and recycled. Pure and low-polluting building materials that are used in reversible component connections and are simply joined are the basic prerequisite for the circular construction of buildings. This handbook explains how to design and build according to the closed-loop principle. It shows the history and present of cycle-oriented architecture and analyses the basics of single-variety construction with regard to methodology, materials and construction. Joining and connecting techniques are discussed as well as the choice of materials in general and the life cycles of individual layers and their functions. The extensive detailed catalogue with drawings on a scale of 1:20 documents exemplary applications and connections, which are differentiated according to materials.
Climate change is becoming a particular challenge for our urban life: our cities heat up particularly strongly in summer, and extreme weather such as heavy rainfall pushes infrastructure to its limits. Worldwide, almost 60 percent of people live in urbanized settlements, and the number is steadily increasing. As global temperatures continue to rise, so do the challenges facing cities and the people who live in them. In Berlin on November 8th 2022, several scientists talked and elaborated on the question of how to design and adapt our cities for such challenges ahead. The parliamentary evening was organizezed by Helmholtz SynCom.
On Friday 24 June at about 6 pm, the time had finally come – the Competition Director of the Solar Decathlon Europe 2021/22, Karsten Voss, in Wuppertal announced the winning team of the student competition: Team RoofKIT from Karlsruhe! The team was very surprised about this development and expressed their relief, happiness and pride. The moment of the announcement was captured on video by SDE 2021/22:
Second place in the overall competition was taken by Team Virtue from Eindhoven, and third place was shared by Team SUM from Delft and Team Aura from Grenoble. On the website of the SDE 2021/22, all other placements and the intermediate results and awards of the competition can be viewed.
After the award ceremony, Team RoofKIT was visited by WDR and the winning house was shown live on WDR’s Lokalzeit (approx. from minute 20), where some team members were also interviewed about the project.
The Professorship of Sustainable Construction and the Professorship of Building Physics would like to thank all the students and staff of Team RoofKIT and congratulate them on this great competition result!
On Sunday 12th the Award Ceremony of the first “Out Of Competition Award” has taken place at the Solar Campus. Team RoofKIT ist very happy that the fist day of Award Ceremonies also brought the first trophy – The inhabitants of the Wuppertal neighborhood of Mirke, where the proposed plots of the SDE 21/22 are located, voted RoofKIT second place of the “Mirke Choice Award”. The team is especially proud that the proposal for topping up the Café ADA in the heart of the neighborhood is appreciated by the people it was designed for.
The Karlsruhe Institute of Technology is participating in the 2021/22 Solar Decathlon Competition in Wuppertal, Germany with its project RoofKIT. Designed as a top-up to an existing structure of the 19th century in the old city fabric, it demonstrates a vision for the building industry: social adequate, energy positive and circular sustainable.
It is the unique character of the Solar Decathlon competition, that next to an overall design approach of a larger project, a characteristic element is constructed as a full scale demonstrator. Since 2020, more than 100 students from KIT within different faculties and under the leadership of the professorships of Sustainable Construction (Prof. Dirk E. Hebel) and Building Technologies (Prof. Andreas Wagner) worked on the project which cumulated in the construction of the House Demonstration Unit in May and June 2022 in Wuppertal, Germany.
Designed as a prefabricated module system with a 100% circular construction method, the unit proofs already today, that with current technology and design capacities, we are able to fulfill the requirements of the European Green Deal. No glues, no paints, no foams or wet sealants were used, so that the circularity of the building and its materials is guaranteed. In addition, only mono-materials were used for construction, meaning no composites or mixtures of materials are to be seen.
But RoofKIT wants not only show what is possible in the future: many building components and materials are taken already out of the urban mine and are used in their second, third or even fourth circle: wood from old barns in the black forest, the entrance door from a building of the 19th century , windows from a demolished building in Basel, bathroom and kitchen sinks as well as fixtures from turn backs of fair exhibitions.
This circular approach only makes sense when it is powered by renewable energy. As the RoofKIT top-up is a new construction with a high energy efficiency standard, the total energy demand (including appliances and e-mobility) will be covered by solar systems on the building envelope. For solar harvesting PVT collectors are used which simultaneously provide electricity and heat, the latter serving as the source for a heat pump which feeds a floor heating system and hot water tank. The surface of the PV modules is colored with a special coating technology in order to merge with the copper roofing with almost no losses in efficiency. This important step is necessary to fully integrate solar panels into the design approach of future buildings. The overall light concept follows the idea of avoiding unnecessary fixtures where possible and using flexible hand-carried cable-free elements to illuminate only those areas where wanted. In addition, an artificial lighting system around the core delivers light with a luminous color adapted to the time of the day.
The unit sits on a scaffolding structure to demonstrate its character as a top-up design strategy. RoofKIT already today is a demonstrator for our future building culture and industry.
Project Credits: Core student team KIT Karlsruhe: Patrick Bundschuh, Stefanie Christl, Luca Diefenbacher, Florian D’Ornano, Jonas Ernst, Dominic Faltien, Nadine Georgi, Aaron Harter, Johannes Hasselmann, Louis Hertenstein, Michael Hosch, Martin Kautzsch, Jennifer Keßler, Nicolas Klemm, Katharina Knoop, Sebastian Kreiter, Anne Lienhard, Michelle Montnacher, Fabian Moser, Friederike Motzkus, Jana Naeve, Saskia Nehr, Julian Raupp, Alexander Resch, Nicolas Salbach, Julian Schmidgruber, Natascha Steiner, Niels Striby, Dennis Sugg, Moritz Tanner, Sven Teichmann, Benjamin Weber, Vincent Witt, Immanuel Zeh
Project Leader: Regina Gebauer (Architecture) and Nicolás Carbonare (Building Technology)
Architectural Design: Faculty of Architecture, KIT Karlsruhe, Professorship of Sustainable Construction, Prof. Dirk E. Hebel, Regina Gebauer, Sandra Böhm, Katharina Blümke, Elena Boerman, Hanna Hoss, Philipp Jager, Daniel Lenz, Manuel Rausch, Daniela Schneider, Alireza Javadian, Nazain Saeidi, Elke Siedentopp with Michael Hosch, Benjamin Weber, Martin Kautzsch, Julian Raupp
Building Technology: Faculty of Architecture, KIT Karlsruhe, Professorship of Building Technologies, Prof. Andreas Wagner, Nicolás Carbonare, Isabel Mino Rodriguez with Martin Kautzsch (cooperative partners: Klaus Rohlffs, ip5 Karlsruhe; Prof. Jens Pfafferott, University of Applied Sciences, Offenburg; Martin Wortmann-Vierthaler, Heinrich-Meidinger-Berufsschule, Karlsruhe, David Wölfle, FZI Forschungszentrum Informatik)
Structural Design demonstration unit: 2hs Architekten und Ingenieur, Prof. Karsten Schlesier HCU Hamburg with Johannes Hasselmann and Jonas Benjamin Ernst
Structural Design circulation, foundation and safety elements: Faculty of Architecture, KIT Karlsruhe, Professorship of Structural Design, Prof. Riccardo La Magna, David Andersson
Structural Design scaffolding system: DOKA, Alexandra Sell und Markus Wientzek
Light Design: Faculty of Architecture, KIT Karlsruhe, Professorship of Building Technologies, Prof. Andreas Wagner, Luciana Alanis with Erik Hofmann and Maikel Hollstein
Urban Mobility: Faculty of Architecture, KIT Karlsruhe, Professorship of Urban Design, Prof. Markus Neppl, Peter Zeile with Nicolas Salbach and Daniel Lenz
Feasibility & Affordability, Life cycle Assessment: Faculty of Economics and Management, KIT Karlsruhe, Professorship of Sustainable Management of Housing and Real Estate, Prof. Thomas Lützkendorf, Daniel Rochlitzer with Regina Gebauer and Julian Schmidgruber
Material Library: Elena Boermann und Sandra Böhm mit Anna-Lena Kneip
Corporate Design and Communication: Philip Brücher, Nadine Georgi, Dominic Faltien, Lukas Großmann, Jennifer Keßler, Katharina Knoop, Michelle Montnacher, Saskia Nehr, Sanda Sandic, Natascha Steiner, Katharina Blümke, Daniel Lenz, Manuel Rausch
Fabrication demonstration unit: Kaufmann Zimmerei und Tischlerei, Reuthe, Bregenzerwald, Österreich, Matthias Kaufmann, Mario Meusburger with KIT students
Supported by: KIT Karlsruhe, German Ministry for Economic Affairs and Climate Action, Holzbauoffensive Baden-Württemberg, Energy Endeavour Foundation
The exhibition shows, among other projects, student work from the design studio “Circularity – Architecture as a Mechanism of Waste Capture”, which took place in the winter semester 21/22 as part of Anupama Kundoo’s sto visiting professorship at KIT, Chair of Sustainable Building. Supervisors Prof. Dr. Anupama Kundoo and Daniel Lenz.
Stühlinger Kirchplatz is a small park in the center of Freiburg. A well-known meeting point for the whole community and a venue for diverse events, it is also a place of conflict due to drug dealing and excessive alcohol consumption.
An initiative by local social and cultural associations aims to establish a small multifunctional building or object as a starting point for a positive and integrated development of the whole park.
Developing a concept for this “Kulturkiosk”, addressing the social cultural context with sustainable construction and digital design, will be the focus of the Stegreif.
The Stegreif is a collaboration between the Professur Nachaltiges Bauen, Professur Digital Design and Fabrication and “Schwere(s)Los! e.V.”.
(de)
Der Stühlinger Kirchplatz im Zentrum Freiburgs ist ein beliebter Treffpunkt für das gesamte Quartier, andererseits ist er aufgrund von Drogenhandel und übermäßigem Alkoholkonsum ein Ort des Konflikts.
Eine Initiative lokaler sozialer und kultureller Vereine zielt darauf ab, ein kleines multifunktionales Gebäude oder Objekt als Ausgangspunkt für eine positive Entwicklung des gesamten Parks zu schaffen.
Die Entwicklung eines Konzepts für diesen “Kulturkiosk”, das den soziokulturellen Kontext mit nachhaltigem Bauen und digitalem Design verbindet, wird im Mittelpunkt des Stegreif stehen.
Der Stegreif ist eine Zusammenarbeit zwischen der Professur Nachaltiges Bauen, der Professur Digital Design and Fabrication und “Schwere(s)Los! e.V.“.
On 2 April 2022, nestbau AG Tübingen invited to an open day at the “Neschtle” in Pfrondorf. In addition to a greeting by Gunnar Laufer-Stark from nestbau AG and the presentation of the timber construction planned on site in Pfrondorf (architecture bürohauser), the event also included a small exhibition of student work from the design course “(H)Austausch!”, which was created in the winter semester 2020/21 at KIT.
The students dealt with the question of how a synergetic solution can be found for the two coinciding phenomena of housing shortage (e.g. for young families who need space) on the one hand and housing overflow (e.g. due to changed life situations such as children moving out, widowhood, etc.) on the other. Architectural ideas were developed on how such a “house swap” could look like: Close-to-the-environment, adapted, attractive, but also sufficiency-oriented living space for people who are willing to leave their flats and houses that have become too big.
Daniel Lenz represented the Chair of Sustainable Building and, together with the students present, answered questions from the visitors.
(de)
Am 2. April 2022 lud die nestbau AG Tübingen zum Tag der offenen Tür ins “Neschtle” nach Pfrondorf. Die Veranstaltung umfasste neben einem Grußwort von Gunnar Laufer-Stark von der nestbau AG und der Präsentation des am Ort in Pfrondorf geplanten Holzbaus (Architektur bürohauser) auch eine kleine Ausstellung der Studierendenarbeiten des Entwurfskurses “(H)Austausch!”, der im Wintersemester 2020/21 am KIT entstand.
Die Studierenden beschäftigten sich mit der Frage, wie für die beiden zusammentreffenden Phänomene Wohnungsknappheit (z.B. für junge Familien, die Platz benötigen) auf der einen Seite und Wohnraumüberfluss (z.B. durch veränderte Lebenssituationen wie Auszug der Kinder, Verwitwung, etc.) eine synergetische Lösung gefunden werden kann. Es wurden dabei architektonische Ideen entwickelt, wie solch ein “Haustausch” aussehen könnte: Umfeldnaher, angepasster, attraktiver, aber auch suffizienter Wohnraum für Menschen, die dafür bereit sind ihre zu groß gewordenen Wohnungen und Häuser zu verlassen.
Daniel Lenz vertrat die Professur Nachhaltiges Bauen und stand zusammen mit anwesenden Studierenden den Besuchern Frage und Antwort.
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.
The KIT professorship of Sustainable Construction at the Faculty of Architecture is part of an exhibition and publication by the Association of German Architects BDA. In ten strategies, architects and urbanists present their concern for the existing building: taking care of the building stock, for growing social structures and for the continued existence of the earth. They invite you to read the permanence of what has been built and what has grown and plead for further thinking and careful repair of living spaces and living cultures. They show how new perspectives arise in the urban and regional context through networked approaches, through cooperation oriented towards the common good and through participation concepts. For the future, i.e. the buildings erected today, strategies for the circular use of materials and an openness to future requirements are being developed.
The exhibition of the Association of German Architects BDA was curated by Olaf Bahner, Matthias Böttger and Laura Holzberg. Exhibition design: Marius Busch – ON / OFF and Christian Göthner – lfm2 “Sorge um den Bestand” is a project in the “Experimental Housing and Urban Development” research program of the BMI / BBSR and is financially supported by the Federal Ministry of the Interior, Building and Home Affairs. Comprehensive information on the exhibition project can be found at www.bda-bund.de/sorgeumdenStock
Construction with fungal roots and storing electricity with wood waste are two innovations that we will (hopefully) hear much more about in the future. At the Karlsruhe Institute of Technology (KIT) Professor Dirk E. Hebel is conducting research into radically different solutions. He wants to replace conventional building materials like concrete with renewable raw materials.
Mushrooms are given little attention – but are they the secret rulers of the world? “PUR +” presenter Eric Mayer discovers new possibilities and also visits the KIT-MycoLab of Prof. Dirk E. Hebel and his research team around Dr. Nazanin Saeidi and Dr. Alireza Javadian to understand how a new class of building materials could be cultivated.
Prof. Dirk E. Hebel in discussion about a rising circular building economy.
A talk in “Zukunft Bauen” with Prof. Dirk E. Hebel (Sustainable Construction, Faculty of Architecture, KIT Karlsruhe) and Dr. Lamia Messari-Becker (Building Technology and Building Physics, Institute of Architecture, University of Siegen) about rethinking the construction industry and its bound building materials as a raw materials warehouse in order to preserve the earth’s resources and about the paradigm change in future architectural planning and construction.
In a joint seminar, construction methods are to be investigated and documented that can guarantee the future deconstruction of buildings by type and thus form the basis of cycle-based construction. At the beginning the basics and principles of joining and designing a future recycling economy will be taught. Based on this topic, historical and current construction methods will be examined, which can be deconstructed, reused or recycled after their use in the building.
In the Winter Semester 2020/21, the KIT Faculty of Architecture will offer a lecture series on Sustainable Construction, organized by the Professorship of Sustainable Construction, Dirk E. Hebel. In total 12 lectures will address the history, state of the art, and alternative futures within the theme. Speakers are: Daniela Schneider, Prof. Daniel Fuhrhop, Prof. Andreas Wagner, Prof. Matthias Pfeifer, Prof. Markus Neppl, and Prof. Dirk E. Hebel. Please refer to the poster for actual dates. The lecture is held every Wednesday, 10:00 am online.
The public German TV station ZDF films at the KIT MycoLab for their format PUR+. PUR + is the discovery magazine in the children’s and youth program ZDFtivi. Each episode deals with one topic. Reports, explanations, and experiments shed light on the topic from different angles. The program focuses on the experiences and assessments of children. At KIT, Eric, the protganist of the format, explores together with the team of Prof. Dirk E. Hebel and Nazanin Saeidi the idea of using mycelium as an innovative building material of the future.
The winners of the third Urban Mining Student Award have been announced: From the total of 20 submitted design proposals, the jury awarded two first prizes and five recognitions. One of the two first prizes went to Jan Matthies & Andrea Santos Rodríguez from the KIT Faculty of Architecture. Hannah Hopp, Viola Winterstein, Laura Ganz and Pia Thisssen were delighted to receive recognitions. The design of Jan Matthies and Andrea Santos Rodríguez convinced the jury mostly by their consequent use of existing building elements coming from the urban mine and their ability to create unique and high quality spatial arrangements adequate for young children.
This year the planning task of the German-wide, open student competition was to plan a travelling school project for Cologne in order to cope with the immense investment backlog regarding reorganization measures in German schools. In order to ensure the continuation of the school operations during these construction measures, the City of Cologne needs an alternative that provides temporary, flexibly relocatable and pedagogically valuable alternative rooms. For KIT, the competition was accompanied by the Professorship of Sustainable Construction, Dirk E. Hebel, Katharina Blümke and Felix Heisel.
The student exercise ‘Vom Gartenhaus zum Räumling’ aimed to validate the potential of the urban mine. Using a garden shed near Karlsruhe as material depot, we carefully deconstructed the house and diligently documented each element. As a group, the students then designed a spatial installation utilizing only the harvested elements using no glue or permanent fixtures. After all, also this installation had to be designed for disassembly, providing building materials for yet another structure.
Project credits: Mohammad Mouaz Alez, Katharina Blümke, Laura Maria Ganz, Felix Heisel, Ann-Kathrin Holmer, Hannah Hopp, Marie Kamp, Sophie Klaß, Antonia Kniep, Jan Matthies, Katrin Oldörp, Manuel Rausch, Andrea Cecilia Santos Rodríguez, Pia Antonia Thissen, Arta Topallaj, Lars-Erik de Vries
Ein Stampflehm-Gartenhaus im Raum Freiburg Lehm entsteht durch die natürliche Verwitterung von Gesteinen. Er ist fast überall zu finden und gilt als lokales Baumaterial – auch am Oberrhein. Er besteht aus verschiedenen Gesteins- oder Partikelgrössen, von Sand über Schluff bis hin zum Ton. Wird getrockneter Lehm mit genügend Wasser in Verbindung gebracht, wird er wieder plastisch und kann in eine neue Form gebracht werden. Lehm ist somit das „einzige Baumaterial, das unbeschränkt und ohne Qualitätseinbußen wiederverwendet werden kann“ (Martin Rauch). Stampflehmbau ist eine jahrtausendealte und sehr weit verbreitete Bautechnik. Dabei wird die krümelige, erdfeuchte Lehmmasse lagenweise in eine Schalung eingebracht und durch Stampfen verdichtet.
In einem gemeinsamen Seminar der Fachgebiete Nachhaltiges Bauen und Bautechnologie wollen wir ein kleines Gartenhaus im Raum Freiburg in dieser Bauweise errichten. Sie werden lernen, wie man das Baumaterial testet ob es geeignet ist für den Baueinsatz, wie man es mischt falls nötig, wie man eine Schalung baut und einbringt, wie man das Material verdichtet und schlussendlich Strukturen damit errichten kann. Ebenfalls werden wir Ihnen Grundlagen und weiteres Hintergrundwissen vermitteln. Wir werden für dieses Kompaktseminar im August Gäste im Garten einer jungen Familie im Raum Freiburg sein, die sich auf Ihr Kommen freut und einrichtet. Es wird die Möglichkeit bestehen, dass Sie vor Ort übernachten können oder von Karlsruhe aus pendeln, wie es für Sie am einfachsten einzurichten ist. Aufgrund der Corona-Pandemie werden schon einige Vorarbeiten getroffen sein (Fundamente, Mischen des Lehms), so dass wir im Seminar sofort mit dem eigentlichen Lehmbau beginnen können.
Dr Nazanin Saedi, as of April 2020 part of the KIT research team at the Professorship of Sustainable Construction, was named one of the 20 emerging innovators in Asia Pacific by MIT Technology Review for her work on sustainable construction materials.
Dr Nazanin Saeidi is among MIT Technology Review’s ‘20 Innovators Under 35’ for the Asia Pacific region. In association with EmTech Asia 2020, the list celebrates 20 researchers, inventors, and entrepreneurs who are changing the world. As postdoctoral researcher in the Alternative Construction Materials project headed by Prof. Dirk E. Hebel at the Future Cities Laboratory in Singapore, Dr Saedi works on transforming organic waste, specifically mycellium, to create a mycelium-bound composite material for the construction industry. She is among awardees selected from a pool of 200 exceptional candidates, including researchers, inventors, and entrepreneurs whose work include applications in agriculture, artificial intelligence, biomedicine, construction, energy, new materials, robotics, and water.
“The 20 ‘Innovators Under 35’ are a group of exceptional young scientists pursuing research that — in many cases — relates to substantial challenges facing humanity. The potential impact of their research is further increased when it becomes the foundation of one or more products that form the core of a Deep Tech startup,” said Steve Leonard, Founding CEO, SGInnovate.
The Professorship of Sustainable Construction at KIT Faculty of Architecture together with Marc Angelil of ETH Zürich and Bisrat Kifle of EiABC in Addis Ababa are presenting their long-standing research on Ethiopia and its capital Addis Ababa at the Venice Biennale 2020.
In Addis Ababa, the hybridization of territory comes in the form of shiny ensembles overshadowing indigenous settlements, traffic arteries disrupting the labyrinth of pedestrian paths, and agro-industries springing up next to what is left of subsistence farms, to mention just a few of the more striking spatial juxtapositions – and all this superimposed on the residue of past layers of nation-building processes.
Woven into this already complicated spatial hybrid are mixed modes of social organization (ethnic affiliations, religious groups, agricultural cooperatives, neighborhood associations, trade unions), along with various modes of production (agricultural, industrial, microentrepreneurial, service-oriented), all coexisting in multiple forms to produce a composite economy, including those practices that are considered informal.
This is the terrain on which the coming iterations of Ethiopia will have to be articulated, rather than it being wished away in some blank-slate development venture or beautification scheme.
The installation Quo Addis? – Conflicts of Coexistence (in the Co-habitats section of the exhibition) includes a fictional model of the city of Addis Ababa. The model is made of multiple layers, each representing a particular political regime whose traces remain in Addis Ababa’s urban socio-spatial fabric: (a) the Age of Empire, 1889–1936; (b) the Italian occupation, 1936–1941; (c) US- and European-sponsored modernization under Haile Selassie, 1941–1974; (d) the USSR-backed socialist regime, 1974–1991; (e) European Development Assistance, 1991-2005; (f) Meles Zenawi’s grands projets, 2005-2012; and (g) contemporary mega-development ventures sponsored by foreign actors – UAE, Saudi Arabia, China, etc. (2012-today).
To this amalgam, one more layer is added – namely, one foregrounding alternative ways of how Addis Ababa might live together.
Team: Marc Angélil, Dirk Hebel, Felix Heisel, Jenny Rodenhouse, Bisrat Kifle Woldeyessus
Willy Abraham, Nikolai Babunovic, Emmanuel Bekele Fulea, Katharina Blümke, Elena Boerman, Uta Bogenrieder, Sascha Delz, Sarah Graham, Andreas Heil, Ben Hooker, Philipp Jager, Anita Knipper, Ephrem Mersha Wolde, Manfred Neubig, Manuel Rausch, Bernd Seeland, Cary Siress, Sonja Steenhoff, Marta H. Wisniewska
Luca Diefenbacher, Georg Heil, Sebastian Kreiter, Selin Onay, Rouven Ruppert, Philipp Schmider, Julius Schwartz, Clemens Urban
Lukas Gerling wins with his Master-Thesis “Future Fessenheim” developed under the guidance of the Professorships of Sustainable Construction Dirk E. Hebel and Landscape Design Prof. Henri Bava the KIT-Sparkassen Environmental Award 2019. His work on the future of the nuclear power plant in Fessenheim was seen by the jury as an highly impotant and socially relevant theme within the international border area of France and Germany. With extraordinary precision derived from his critical-theoretical approach, he developed a design that combines different interpretations, states of memory and fear, architectural elements from present and past, international actors and new local actions. The actual nuclear power plant transformed Lukas Gerling into an expressive “pioneer building” as a public space with offers for cultural exchange, cultural creation and meeting places. By transforming the former reactor building into a space of silence and introversion, Lukas Gerling proves his sensitivity to space and architecture in exchange with psychology and social responsibility. His work was carried out under the Dual Masters Program between the ENSAS Strasbourg and the KIT Faculty of Architecture in Kalsruhe.
Innovative und regenerative Wohnkonzepte für eine resiliente urbane Zukunft
The city of the future faces many challenges: lack of housing and rising rents, climate change and scarcity of resources, increasing traffic and air pollution, large volumes of building stock in need of renovation, and dwindling unsealed open spaces.
What do innovative and responsible living concepts for the city of the future look like considering this special context. This semester, we want to focus on the question of how to realize such architectures that enter into a symbiotic relationship with the existing structure and urban texture. These ideas will be developed during this semester as part of the “Solar Decathlon Europe 2021”. The typologies to be designed should create a balance of private and community use. It is also important to understand the neighborhood as a networked energy system and to come up with proposals for regenerative energy concepts and calculate them roughly. It is the existing qualities of the place, such as the structure of the inventory substance to investigate, understand and integrate in the design and develop further.
The design is carried out in very close cooperation and with integrated deepening of structural design (Prof. Pfeifer), building physics and building technology (Prof. Wagner) and building economics (Doz. Kai Fischer).
Bei der Premiere des Preises wurden insgesamt sechs Bauwerke ausgezeichnet. Mit dabei: die Passerelle de deux Rives über den Rhein, die Kellerwirtschaft in Vogtsburg, eine Kita in Lahr und der Nachwuchspreis für die KIT Studentin. Den mit 2000 Euro dotierten Nachwuchspreis, der direkt von der Jury vergeben wurde, erhielt Anne-Caterine Greiner für Unterkünfte für Saisonarbeitskräfte in Schallstadt-Mengen, ein Semesterentwurf am Fachgebiet Nachhaltiges Bauen. Bei dem Projekt seien primär lokale Handwerker und Produkte eingesetzt worden, sagte die Architekturstudentin bei ihrer Dankesrede.
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 the Winter Semester 2019/20, the KIT Faculty of Architecture will offer a lecture series on Sustainable Construction, organized by the chair of Sustainable Construction, Dirk E. Hebel. In total 13 lectures will address the history, state of the art, and alternative futures within the theme. Speakers are: Felix Heisel, Daniela Schneider, Prof. Daniel Fuhrhop, Prof. Andreas Wagner, Prof. Matthias Pfeifer, Prof. Markus Neppl, and Prof. Dirk E. Hebel. Please refer to the poster for actual dates. The lecture is held every Wednesday, 09:45 am in Lecture Hall 9 (HS09) at KIT Campus South, Building 20.40.
Dirk Hebel presented the team´s latest work at ASTOC Architects and Planners in Cologne on September 12, 2019. “Since 2016, ASTOC regularly takes time once a month to listen to colleagues who report on their projects or invited guest speakers on various topics relating to architecture and urban planning, to let us be inspired and discuss. This professional exchange helps us to share knowledge and to think outside the box.”
The Mehr.WERT.Pavillon at the BUGA Heilbronn has won a materialPREIS award 2019 in the category “Public Voting”. The award is organized by the material agency RaumPROBE Stuttgart. The pavilion design originated in the design studio Building from Waste of the Professorship of Sustainable Construction at KIT Karlsruhe (Felix Heisel, Karsten Schlesier and Prof. Dirk E. Hebel). It was further developed by KIT students Lisa Krämer, Simon Sommer, Philipp Staab, Sophie Welter, and Katna Wiese in collaboration with the Professorships Structural Design (Prof. Matthias Pfeifer / Certification engineer) and Building Technologies (Prof. Rosemarie Wagner / Structural form finding), as well as the office 2hs Architekten und Ingenieur PartGmbB.
From the organizers: “The materialPREIS has been the only award in the architecture and design industry to focus on the development as well as the planning and use of special materials. The laureates of recent years have seen pioneering innovations, clever developments, outstanding buildings and visionary studies that stand out from the crowd. The high quality and innovative power has made the materialPREIS an appropriate seal right from the start. The submissions and, above all, the winners, are perceived very positively and considered in detail in the specialist world. The award recognizes special developments and new materials from the manufacturers as well as built projects by planners and creative people. Due to a changing, independent jury, only three awards are given in several categories.”
Monkenbusch, Helmut. „Bauen für die Welt von morgen.“ Hörzu, 24.1.2025
Funghi – underground networkers
April 24, 2025
Hebel, Dirk E., Tanja Hildbrandt. „ Pilze – Netzwerker im Untergrund“. alverde, dm-Magazin, April 2025.
Fungi are versatile
February 24, 2025
Merkert-Andreas, Carolin. “Pilze Sind Vielseitig.”Wohnglück, January 2025.
“RoofKIT – Carbon storage and Material storage”
January 9, 2025
Boerman, Elena, and Dirk E. Hebel. “RoofKIT – Kohlenstoffspeicher Und Materiallager.”Architektur.Aktuell, vol. 12.2024, no. Tradition und Innovation, Dezember 2024, pp. 98–109
Interview: “From a Linear to a Circular System”
November 13, 2024
Hebel, Dirk E. Interview: “Vom linearen zum zirkulären Kreislaufsystem.” Interview by Sandra Hofmeister, DETAIL 11.2024, Nov. 2024.
Building with renewable materials – Nature as a resource depot
October 29, 2024
Hebel, Dirk E., Sandra Böhm, Elena Boerman, Hrsg. Vom Bauen mit erneuerbaren Materialien – Die Natur als Rohstofflager. Stuttgart: Fraunhofer IRB Verlag, 2024.
Guest contribution: ‘Thinking, designing and operating in circular ways.’
June 27, 2024
Hebel, Dirk E. “In Kreisläufen denken, entwerfen und wirtschaften.”MÄG – Mein Häfele Magazin, 2024.
Interview: ‘Mycelium power for the construction industry’
June 10, 2024
Rubel, Maike, and Patricia Leuchtenberger. Interview: “Pilzpower für die Bauindustrie.” competitionline, 7 June 2024, https://www.competitionline.com/de/news/schwerpunkt/pilzpower-fuer-die-bauindustrie-7283.html.
‘Future building materials: mushroom, hemp and algae’ in neubau kompass
May 27, 2024
Müller, Janek. “Baumaterialien der Zukunft: Pilze, Hanf und Algen.”neubau kompass – Neubauprojekte in Deutschland, May 3, 2024. https://www.neubaukompass.de/premium-magazin/.
Interview: ‘We have disposed of valuable materials’
May 7, 2024
Sören, S. Sgries. “Interview: ‘Wir haben wertvolle Materialien weggeworfen.’”Rhein-Neckar-Zeitung, April 27, 2024, SÜDWEST I 28 edition, sec. Sinsheimer Nachrichten.
Built on mushroom
April 24, 2024
Schweikle, Johannes. “Auf Pilz gebaut.”Stuttgarter Zeitung, April 23, 2024, sec. Die Reportage.
Organic Architecture – Fungus mycelium and flax as materials for the ecological building transition
February 13, 2024
Klaaßen, Lars. “Organische Architektur – Pilzmyzel und Flachs als Materialien für die ökologische Bauwende.” In Deutsches Architektur Jahrbuch 2024, edited by Peter Cachola Schmal, Yorck Förster, and Christina Gräwe, 198–209. Berlin, Germany: DOM publishers, 2024.
Circular construction – Circulation instead of demolition in “BUND-Jahrbuch 2024”
Redesigned Material Library at KIT in ‘Mitteilungsblatt des VDB-Regionalverbands Südwest’
January 8, 2024
Mönnich, Michael, and Sandra Böhm. “Neu gestaltete Materialbibliothek am KIT.”Südwest-Info: Mitteilungsblatt des VDB-Regionalverbands Südwest Nr. 36 (2023), 2023.
RoofKIT Wuppertal, Germany; Interview with Prof. Dirk Hebel
November 20, 2023
Hebel, Dirk E. “RoofKIT Wuppertal, Germany; Interview with Prof. Dirk Hebel: The aim is clear, we must forge the path ourselves.” In Sustainable Architecture & Design 2023/ 2024, edited by Andrea Herold, Tina Kammerer, and InteriorPark., 46–55. Stuttgart, Germany: av edition GmbH, 2023.
The existing building stock is the future resource
November 16, 2023
Hebel, Dirk E. “Der Bestand ist die künftige Ressource – Den linearen Umgang mit Baumaterialien schnellstmöglich stoppen.”Planerin – Mitgliederfachzeitschrift für Stadt-, Regional- und Landesplanung, Oktober 2023.
Article: Investigation of mechanical, physical and thermoacoustic properties of a novel light-weight dense wall panels made of bamboo Phyllostachys Bambusides
October 30, 2023
Gholizadeh, Parham, Hamid Zarea Hosseinabadi, Dirk E. Hebel, and Alireza Javadian. “Investigation of Mechanical, Physical and Thermoacoustic Properties of a Novel Light-Weight Dense Wall Panels Made of Bamboo Phyllostachys Bambusides.”Nature Sientific Reports 13 (October 26, 2023). https://doi.org/https://doi.org/10.1038/s41598-023-45515-3
Building Better – Less – Different: Clean Energy Transition and Digital Transformation
October 16, 2023
Hebel, Dirk E., Felix Heisel, Andreas Wagner, und Moritz Dörstelmann, Hrsg. Besser Weniger Anders Bauen – Energiewende und digitale Transformation. Besser Weniger Anders Bauen 2. Basel: Birkhäuser Verlag GmbH, 2023.
From hunting, breeding and harvesting future building materials
September 27, 2023
Hebel, Dirk E. “Vom Jagen, Züchten Und Ernten Zukünftiger Baumaterialien.”Baukultur Nordrhein Westfalen, September 2023.
Building Circular
September 21, 2023
Hebel, Dirk E., Ludwig Wappner, Katharina Blümke, Valerio Calavetta, Steffen Bytomski, Lisa Häberle, Peter Hoffmann, Paula Holtmann, Hanna Hoss, Daniel Lenz and Falk Schneemann, eds. Sortenrein Bauen – Methode Material Konstruktion.Edition DETAIL. München: DETAIL Business Information GmbH, 2023.
Fungi
September 18, 2023
Schweikle, Johannes. “Fungi.” In Earthlike, 1:70–75, 2023.
Recent Contributions in “wohnen”
September 18, 2023
Hebel, Dirk E. “Die Stadt als Rohstofflager.”wohnen – Zeitschrift der Wohnungswirtschaft Bayern, August 2023.
Hebel, Dirk E. “Das RoofKIT-Gebäude der KIT Fakultät für Architektur – Gewinner des Solar Decathlon 2021/22 in Wuppertal.”wohnen – Zeitschrift der Wohnungswirtschaft Bayern, August 2023.
The City as Materials Storage
July 14, 2023
Hebel, Dirk E. “Die Stadt Als Rohstofflager.” Aktuell – Das Magazin Der Wohnung- Und Immobilienwirtschaft in Baden-Württemberg, 2023.
Building-Circle instead of One-Way-Economy
June 30, 2023
Ellinghaus, Tanja. “Bau-Kreislauf Statt Einweg-Wirtschaft.”Transition – Das Energiewendemagazin Der Dena, 2023.
Pure construction methods – circularity-based self-conception in architecture
June 14, 2023
Hebel, Dirk E. “Sortenreines Konstruieren – Kreislaufbasiertes Selbstverständnis in der Architektur.”Baumit, 2023. https://www.calameo.com/read/0011023184a57c4715124.
Building as a Project of Circularity
June 14, 2023
Reddy, Anita. “Bauen Als Kreislaufprojekt.” Engagement Global GGmbH, October 20, 2020. https://www.faz.net/aktuell/rhein-main/frankfurt/frankfurt-setzt-auf-recycling-nach-abriss-stadt-wird-baustofflager-18707619.html.
Vivid Cycles: Reopening of RoofKIT on the KIT Campus
Wagner, Prof. Andreas, Nicolás Carbonare, Regina Gebauer, Prof. Dirk E. Hebel, Katharina Knoop, and Michelle Montnacher, eds. “RoofKIT.” In Solares und kreislaufgerechtes Bauen, 186–213. Wuppertal: PinguinDruck, 2023.
The built environment as a Resource
April 5, 2023
Blümke, Katharina, Elena Boerman, Daniel Lenz, and Riklef Rambow. “Die gebaute Umwelt als Ressource – Mit RoofKIT vom linearen zum zirkulären Verständnis des Bauens.”ASF Journal, March 28, 2023.
