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  1. Research Research
  2. circularWOOD circularWOOD

circularWOOD

What does it need to transfer circular principles to timber construction?

Brief information

School:

Engineering and Architecture

Status:

Completed

Period:

01.02.2021 - 28.02.2023

Overview

The construction industry has a significant impact on the environment. According to the United Nations, it is responsible for about 40 percent of energy-related CO2 emissions and more than half of global resource consumption. In order to reduce these emissions and respect planetary boundaries, sustainable use of (natural) resources, the use of renewable resources and keeping building materials in the material cycle for as long as possible are a must. The implementation of circular economy principles in timber construction is being widely discussed. To date, there is a general lack of understanding of the terms and concepts necessary for the appropriate transfer of the principles of circular economy to modern timber construction. Theoretical explications cover a broad spectrum of viewpoints, however, an overview of relevant topics for the industry is not yet available. First experiences show that technical, constructional and logistical challenges need to be overcome.

The circularWOOD research project addresses relevant questions on the transfer of circular principles to modern timber construction. The report provides an overview of the findings in relevant literature, analyses obstacles and potentials from the perspective of the timber construction industry, summarises experiences from initial implementation projects and outlines elements for a future vision of circular economy in timber construction. The focus of the project is on high-quality material reuse. The meth-od includes a comprehensive review of available literature followed by an empirical investigation focusing on a stakeholder analysis, implementation practices in case studies and expert interviews. The findings are iteratively linked, future scenarios derived and recommendations for action formulated.

The results serve to classify and synthesises theoretical findings and practical experience on the circularity of timber buildings and describe solution-oriented options by presenting future scenarios. They formulate concrete research needs and recommendations for practical implementation. The results contribute to supporting decision-makers and stakeholders in building and planning practice and to taking the step towards upscaling circularity in modern timber construction.

The circularWOOD project is based on cooperative research of the Chair of Architecture and Timber Construction at Technical University of Munich and the Competence Center Typology and Planning in Architecture (CCTP) at Lucerne University. circularWOOD has received funding from the Federal Institute for Research on Building, Urban Affairs and Spatial Development on behalf of the Federal Ministry of the Interior and Community financed with means of Zukunft Bau Innovationsprogramm.

Holz-Holz-Verbindungen, © TUM.wood
circularWOOD Themenfelder, © circularWOOD
circularWOOD Konzepte, © circularWOOD
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Facts

Type of project

Forschung

Internal organisations involved
  • CC Typology and Planning in Architecture
External project partner
  • Technische Universität München, Lehrstuhl für Architektur und Holzbau
External project funder
  • BBSR Bundesinstitut für Bau-, Stadt- und Raumforschung
Funding
  • Ausland
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Links

  • circularWOOD

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Persons involved: internal

Project manager
  • Sonja Geier

Publications

  • Article, review; peer reviewed (1)

    • Schuster, Sandra & Geier, Sonja (2022). CircularWOOD – Towards Circularity in Timber Construction in the German Context. IOP Conference Series: Earth and Environmental Science, (1078), 012030. doi: 10.1088/1755-1315/1078/1/012030

  • Report/working paper (1)

    • Schuster, Sandra & Geier, Sonja (2023). circularWOOD - Paradigmenwechsel für eine Kreislaufwirtschaft im Holzbau (BBSR Online Publikation No. 15/2023). Bundesinstitut für Bau-, Stadt- und Raumforschung (BBSR) im Bundesamt für Bauwesen und Raumordnung (BBR), Bonn.

  • Presentation (conference/report/lectures) (4)

    • Geier, Sonja (10.11.2022). circularWOOD – Kreislaufwirtschaft im Holzbau. SwissForestLab Dialog «Netto-Null 2050 – Der Beitrag der Waldwirtschaft, Birmensdorf.

    • Geier, Sonja (05.05.2022). CircularWOOD – Dematerialisierung mit Holzbau? Swissbau Compact, Basel.

    • Geier, Sonja (29.11.2021). Circularity – die neue Normalität für nachhaltiges Bauen? IAZI-Fachseminar (Klima)Wandel in der Immobilienpolitik, Zürich.

    • Geier, Sonja (29.11.2021). Circularity – die neue Normalität für nachhaltiges Bauen? IAZI-Fachseminar (Klima)Wandel in der Immobilienpolitik., Zürich.

Brief information

School:

Engineering and Architecture

Status:

Completed

Period:

02/01/2021 - 02/28/2023

Project Head

Dr. Sonja Geier

Lecturer

+41 41 349 34 97

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