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Design for Deconstruction and Reuse: Case study Villa Anneberg
RISE Research Institutes of Sweden, Built Environment, Building and Real Estate.ORCID iD: 0000-0002-7082-2443
Derome, Sweden.
National University of Ireland Galway, Ireland.
RISE Research Institutes of Sweden, Built Environment, Building and Real Estate.ORCID iD: 0000-0002-0006-9425
2021 (English)Report (Other academic)
Abstract [en]

The building sector accounts for a large raw material consumption and waste production. One way of diminishing these would be to reuse buildings and building components to a higher degree. To facilitate that, buildings would need to be designed with that aspect in mind. Work Package 2 of the InFutUReWood project investigates new ways to design timber-based structures. This study investigates how new design concepts can be developed to make Villa Anneberg, a two-storey light timber house from the Swedish manufacturer Derome, adapted for deconstruction and reuse. The objectives are: • To identify the inherent strengths and weaknesses of the current design of Villa Anneberg regarding deconstruction, rebuilding and reuse. • To show how the design could be improved with respect to future deconstruction and reuse and to estimate the amount of wood that could be reused in the future with the current and the improved designs. • To suggest guidelines for deconstruction and reuse. • To test and develop a method for carrying out case studies, as the study is the first in a series of case studies treating different structural systems. The study is limited to the load bearing structure of the building. Focus is on reuse rather than recycling. Methods used involve interviews, structured meetings, analyses of drawings and documents, photo documentation and design work. A reuse scenario was assumed where the building will be deconstructed after a few decades into its separate parts. It will then be transported and reassembled to an identical building in the same geographical region. It was found that the current design of Villa Anneberg is relatively well prepared for this scenario already. The building is designed for efficient transport and assembly and the process is judged to be reversible to a high degree. Many connectors are screwed, and the building can be deconstructed with common and simple tools. Several weaknesses were also identified. Among these were joining techniques that are not reversible. Modified versions were developed for three joints. The new solutions were achieved with relatively small adjustments in design and within existing technology. One of the new connections was found so economically valuable to the manufacturer Derome, that it is likely to be taken into production soon. We estimated that the proportion of wood that is reusable would be higher for the modified Villa Anneberg than for the current. The proportion wood that is reusable in the load bearing structure with current design is estimated to 82,7 %. The proportion of wood that is reusable with the modified design is estimated to 86,4 %. These figures apply to the studied scenario. Guidelines for deconstruction and reuse were suggested. The case study method was found efficient and ready to be used in further case studies.

Place, publisher, year, edition, pages
2021. , p. 56 + appendix
Series
RISE Rapport ; 2021:96
National Category
Construction Management
Identifiers
URN: urn:nbn:se:ri:diva-56832ISBN: 978-91-89385-86-3 (print)OAI: oai:DiVA.org:ri-56832DiVA, id: diva2:1611582
Available from: 2021-11-15 Created: 2021-11-15 Last updated: 2023-06-08Bibliographically approved

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Sandin, YlvaSandberg, Karin

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