Towards Environmentally Sustainable Bio-Based Load-Bearing Components in Buildings
The Feasibility, Early-Stage Development and Testing of Five Possible Building Components to Meet Specific Performance Requirements
S. Ghosh (Scheldebouw B.V.)
N. Merhi (Witteveen+Bos)
L.L. Neuhaus (TU Delft - Structures & Materials)
P.K. Sathyamurthy (Octatube)
E. Sel (Royal HaskoningDHV)
M Bilow (TU Delft - Building Design & Technology)
O. Ioannou (TU Delft - Building Design & Technology)
Mauro Overend (TU Delft - Structures & Materials)
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Abstract
The growing demand for sustainable building materials is stimulating considerable research on bio-composites intended for the construction sector. Despite the technical challenges associated with their durability and fire resistance, bio-composites can provide environmentally friendly, load bearing components with useful mechanical properties. This paper provides an overview of the current research activities at TU Delft Department of Architectural Engineering and Technology in exploring five plant fibre reinforced polymer (PFRP) composites for various load-bearing applications. In addition to mechanical performance and durability, each bio-composite achieved one or more characteristic that improves the environmental sustainability of the bio-composite, namely: 100% bio-based; fabricated with simple low-tech equipment; sourced from bio-genic waste streams; assembled into a functional meta composite; formable into complex 3D shapes; and reformable at end of life. The findings presented in this paper provide useful insights of the material selection and manufacturing methods for each of the PFRPs and corresponding data from the performance testing. Moreover, the paper provides overarching observations across the five bio-composites and key recommendations for the future development of environmentally sustainable PFRP load-bearing components.
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File under embargo until 07-12-2025