A theoretical approach between dfa/dfd design strategies and modular timber technologies
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Date
2024
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Abstract
Prefabrication and modular construction have impacted the global market, and with the increased focus on sustainability, these construction technologies are leaning towards implementing timber systems. Design for Adaptability (DfA) and Design for Disassembly/Deconstruction (DfD) are strategies used to face unpredicted events (such as structural reinforcement, repair needs, or new user demands), assure long-lasting efficiency, and enhance materials sustainably, thus upgrading the building's adaptability. While in the literature, there are projects focused on the functional and environmental challenges of taller timber buildings and the DfA/DfD benefits, little research is available on the application of DfA/DfD of timber buildings, particularly in prefabrication and modular timber construction, owing to the barriers to the implementation and development of the sestrategies. Consequently, the relationship between adaptability and two critical parameters, flexibility and durability, given their crucial role in the design and construction processes and how they enable DfA/DfD strategies, was first reviewed in this paper. The next step was exploring the combination of DfA/DfD strategies and integrating them with the features of prefabricated construction/ modular timber technologies to describe a theoretical approach for developing adaptable buildings. Finally, the gaps analyzed between the parameters, design strategies, and prefabricated construction/modular technologies in some projects to understand their possibilities and limitations. Thus, the paper aims to describe an initial theoretical approach, identifying knowledge gaps and addressing research needs between parameters, design strategies, and technologies to enhance timber buildings.