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Natural Fibre for Geotechnical Applications: Concepts, Achievements and Challenges

Nguyen, Thanh T ; Indraratna, Buddhima

Sustainability, 2023-05, Vol.15 (11), p.8603 [同儕審閱期刊]

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  • 題名:
    Natural Fibre for Geotechnical Applications: Concepts, Achievements and Challenges
  • 著者: Nguyen, Thanh T ; Indraratna, Buddhima
  • 主題: Biodegradable materials ; Biodegradation ; Drainage ; Engineering ; Erosion control ; Fibers ; Geotechnical fabrics ; Greenhouse gases ; Laboratories ; Liquefaction ; Reinforcement ; Shear strength ; Soil erosion ; Soil improvement ; Soil stabilization ; Soil strength ; Soil structure ; Soils ; Sustainability ; Technology application ; Tensile strength
  • 所屬期刊: Sustainability, 2023-05, Vol.15 (11), p.8603
  • 描述: Enhancing the use of natural fibre for geotechnical purposes has attracted greater attention in the past decade, mainly because of the tangible benefits that this green approach would bring to our sustainable infrastructure developments. While this topic has been subjected to often sceptical review or discussions, they usually focus on narrow aspects such as soil reinforcement, resulting in a lack of thorough assessment over different aspects and applications. The current paper hence aims to not only provide a more balanced review between theoretical concepts and practical perspectives, but also to link different functions of natural fibre that would facilitate design effectiveness. Three major geotechnical purposes of natural fibre in terms of the practice are identified and discussed, i.e., (i) soil reinforcement; (ii) enhanced drainage for soil consolidation; and (iii) filtration, separation and erosion controls. In these distinct applications, natural fibres, despite being used in different forms such as geotextiles, drains and individual fibres, often give significant contributions to improving soil structures, resulting in greater stabilization of the entire system. The key unique feature of natural fibres is their ability to generate biological bonding with soil media (i.e., biodegradation associated with reinforcement), while substantially improving the tensile strength of the soil structure, thus providing larger resistance to mud pumping, liquefaction, internal instability and erosion. Apart from successful findings and applications in practice, main challenges that are currently hampering the wider application of natural fibres will be addressed in this paper.
  • 出版者: Basel: MDPI AG
  • 語言: 英文
  • 識別號: ISSN: 2071-1050
    EISSN: 2071-1050
    DOI: 10.3390/su15118603
  • 資源來源: Publicly Available Content Database
    Agricultural & Environmental Science Collection
    DOAJ Directory of Open Access Journals
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