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Analysis of the Main Properties of Geotextiles Manufactured by Mechanical Two-Sided Needle Punching and by Two-Layered Needle Punching on the Fabric Underlay

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Abstract:

An analysis of the basic properties of geotextiles obtained by two-sided needle punching and by two-layered needle punching on the fabric underlay is presented in this paper. The influence of geotextile production technology on their functional properties was evaluated, the parameters of geotextiles manufactured from staple fibres by mechanical needle punching were compared for both techniques, and the influence of the mass per unit area on the mechanical and hydraulic properties is shown. It was found that geotextiles obtained by two-sided needle punching had very good hydraulic properties thanks to their spatial structure, whereas geotextiles obtained by two-layered needle punching on the fabric underlay, apart from good hydraulic properties, had very good tensile strength and small elongation at a maximum load, which is particularly useful for reinforcement.

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geosynthetics, geotextiles, nonwowen geotextiles, mechanical needle punching technology.

Citation:

Malkiewicz J, Drobina R, Lewandowski S. Analysis of the Main Properties of Geotextiles Manufactured by Mechanical Two-Sided Needle Punching and by Two-Layered Needle Punching on the Fabric Underlay. FIBRES & TEXTILES in Eastern Europe 2012; 20, 5(94): 94-98.

Published in issue no 5 (94) / 2012, pages 94–98.

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