Influence of Structural Parameters of Nonwoven Geotextiles on Separation and Filtration in Road Construction

• Autorzy: Bezgovšek Špela , Šajn Gorjanc Dunja , Pulko Boštjan , Lenart Stanislav

Identyfikatory

DOI

10.2478/aut-2019-0038

• Języki publikacji: EN

Abstrakty

EN

Nonwoven geotextiles are often used in road construction as a separation layer. They consist of the web of fibers with different orientations. The orientation of fibers has an important influence on physical and mechanical properties of nonwoven geotextiles. The production of nonwoven geotextiles is cheaper in comparison to woven or knitted fabrics which can also be used as separation geotextiles. The purpose of this research was to study the influence of structural properties of nonwoven geotextiles, namely the diameter of fibers and mass and thickness of nonwoven geotextiles, on their mechanical and hydraulic properties. Six types of nonwoven geotextiles were used in the research. They were produced by the drylaid process (carded) using mechanical bonding technique and also with the combination of mechanical and thermal bonding technique. The research confirmed that the bonding technique and structural properties significantly influence the separation and filtration properties of nonwoven geotextiles, such as opening size and water permeability. It was also found that there are no significant differences in mechanical properties, such as viscoelastic properties and compression creep, between the samples in the dry and wet conditions.

Słowa kluczowe

EN

nonwoven geotextiles; bonding technique; opening size; water permeability

PL

geowłókniny; techniki łączenia; przepuszczalność wody

• Wydawca: Lodz University of Technology, Faculty of Material Technologies and Textile Design
• Czasopismo: Autex Research Journal
• Rocznik: 2020
• Tom: Vol. 20, no. 4
• Strony: 449--460
• Opis fizyczny: Bibliogr. 26 poz.

Twórcy

autor

Bezgovšek Špela

• Faculty of Natural Science and Engineering, Department of Textiles, Graphic Arts and Design, University of Ljubljana, Snezniska 5, SI-1000 Ljubljana, Slovenia

autor

Šajn Gorjanc Dunja

• Faculty of Natural Science and Engineering, Department of Textiles, Graphic Arts and Design, University of Ljubljana, Snezniska 5, SI-1000 Ljubljana, Slovenia

autor

Pulko Boštjan

• Faculty of Civil and Geodetic Engineering, University of Ljubljana, Jamova 2, SI-1000 Ljubljana, Slovenia

autor

Lenart Stanislav

• Slovenian National Building and Civil Engineering Institute, The Section for Geotechnics, Dimičeva ulica 12, SI-1000 Ljubljana, Slovenia

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2021).