Integrating Design for Adaptability, Disassembly, and Reuse into Architectural Design Practice

St John Walsh () and Elizabeth Shotton
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St John Walsh: Yeats Academy of Arts, Design & Architecture, Faculty of Engineering & Design, Atlantic Technical University, F91 YW50 Sligo, Ireland
Elizabeth Shotton: School of Architecture, Planning and Environmental Policy, College of Engineering and Architecture, University College Dublin, D14 E099 Dublin, Ireland

Sustainability, 2024, vol. 16, issue 17, 1-26

Abstract: Increased timber construction is putting pressure on Ireland’s limited structural-grade timber stock, while recovered timber is currently downcycled or incinerated. Design for Adaptability, disassembly and reuse (DfADR) has emerged as a response to this wasteful linear process, which can increase the life span of structures, the ease of disassembly during and after use, and improve the quality of recovered material. However, while many DfADR strategies have been identified, uptake in architectural practice is lacking. Impediments to DfADR were identified through an analysis of an existing timber-framed structure and a modified design developed based on the ISO 20887:2020 principles to illustrate practical solutions. In tandem, a decision tool was developed that organised the plethora of identified strategies by the ISO principles and the work stages used by designers to facilitate integration into practice. Modest reconfigurations of the space and roof structure increased adaptability, access to services for replacement and repair, and expansion potential to increase service life, while rationalized timber sizes improved reuse potential. Using wood nails in stud and joist framing, with screws replacing nails elsewhere, and omitting adhesives from the floor panels increased the ease of disassembly. These relatively minor changes resulted in nearly 3 times the amount of solid timber with a high reuse potential (≥2348 mm) recovered over the original design, highlighting the impact DfADR can have on the recoverability and reusability of timber.

Keywords: circular economy; adaptability; cascading reuse; design for disassembly; timber frame construction (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2024
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