Sustainable and renewable bio-based natural fibres and its application for 3d printed concrete: A review

Salmabanu Luhar, Thadshajini Suntharalingam, Satheeskumar Navaratnam, Ismail Luhar, Julian Thamboo, Keerthan Poologanathan, Perampalam Gatheeshgar

Research output: Contribution to journalReview articlepeer-review

28 Citations (Scopus)


The concept of sustainability and the utilization of renewable bio-based sources have gained prominent attention in the construction industry. Material selection in construction plays a significant role in design and manufacturing process of sustainable building construction. Several studies are being carried out worldwide to investigate the potential use of natural fibres as reinforcement in concrete with its noticeable environmental benefits and mechanical properties. 3D printed concrete (3DPC) is another emerging technology, which has been under-developed for the past decade. The integration of reinforcement is one of the major challenges in the application of this new technology in real-life scenario. Presently, artificial fibres have been used as a reinforcement material for this special printable concrete mixture. However, natural fibre composites have received significant attention by many 3DPC constructions due to their lightweight energy conservation and environmentally friendly nature. These benchmarking characteristics unlock the wider area of natural fibres into the composite sector and challenge the substitution of artificial fibres. Hence, this paper presents a comprehensive review on the current practice and advantages of natural fibres in conventional concrete construction. Subsequently, with a view to the future efficient 3DPC construction, the potentials of natural fibres such as eco-friendly, higher impact, thermal, structural, and fire performance over the artificial fibres were highlighted, and their applicability in 3DPC as composites was recommended.

Original languageEnglish
Article number10485
Pages (from-to)1-25
Number of pages25
JournalSustainability (Switzerland)
Issue number24
Publication statusPublished - 15 Dec 2020

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© 2020 by the authors. Licensee MDPI, Basel, Switzerland.


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