Preliminary experimental investigation into the use of recycled fibres from textile waste for the improvement of embankments

• Autorzy: Rossignoli Chiara , Caruso Marco , Jommi Cristina , Sterpi Donatella

Identyfikatory

DOI

10.24425/jwld.2023.147245

• Języki publikacji: EN

Abstrakty

EN

Failures that occurred in the last few decades highlighted the need to raise awareness about the emergent risk related to the impact localised degradation phenomena have on embankments. Common interventions aimed to improve embankments, such as the reconstruction of the damaged area or the injection of low-pressure grouts to fill fractures and burrows, may cause the weakening of the structure due to discontinuities between natural and treated zones. Moreover, since such repair techniques require huge volumes of materials, more sustainable solutions are encouraged. At the same time, the textile and fashion industries are looking for sustainable waste management and disposal strategies to face environmental problems concerned with the voluminous textile waste dispatched to landfills or incinerators. The use of soil mixed with textile waste in embankment improvement has been investigated to identify an effective engineering practice and to provide a strategy for the circular economy of textiles. Preliminary laboratory tests have been conducted on soil specimens collected from the Secchia River embankment, Northern Italy, to define the appropriate mixture proportions and to compare physical properties and hydro-mechanical behaviour of natural and treated soils. The results show that an appropriate fibre content offers manageable and relatively homogeneous mixtures. The indluence on soil consistency is mainly due to the textile fibre hydrophilic nature. The addition of fibres reduces the maximum dry density and increases the optimum water content. At low stress levels, the compressibility and hydraulic conductivity appear higher, however macro voids produced during sample preparation may alter the findings.

Słowa kluczowe

EN

circular economy; embankment; experimental technique; reinforced soil; textile waste

• Wydawca: Wydawnictwo ITP
• Czasopismo: Journal of Water and Land Development
• Rocznik: 2023
• Tom: no. 59
• Strony: 202--207
• Opis fizyczny: Bibliogr. 19 poz., fot., tab., wykr.

Twórcy

autor

Rossignoli Chiara

• Politecnico di Milano, Department of Civil and Environmental Engineering, Piazza Leonardo da Vinci, 32, Milan, Italy

• https://orcid.org/0009-0004-7996-6605

autor

Caruso Marco

• Politecnico di Milano, Testing Lab for Materials, Buildings and Civil Structures, Milan, Italy

• https://orcid.org/0000-0003-1955-8939

autor

Jommi Cristina

• Politecnico di Milano, Department of Civil and Environmental Engineering, Piazza Leonardo da Vinci, 32, Milan, Italy
• Delft University of Technology, Faculty of Civil Engineering and Geosciences, Delft, The Netherlands

• https://orcid.org/0000-0002-9439-528X

autor

Sterpi Donatella

• Politecnico di Milano, Department of Civil and Environmental Engineering, Piazza Leonardo da Vinci, 32, Milan, Italy

• https://orcid.org/0000-0002-5443-175X

Bibliografia

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• ASTM Standard D698-12 (2021) Standard test methods for laboratory compaction characteristics of soil using standard effort. West Conshohocken, PA, USA: ASTM International. Available at: https://doi.org/10.1520/D0698-12R21.
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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2024).