<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>The reinforcement of soil is used to improve its strength and stiffness. The standard method of soil reinforcement is an application of geosynthetics. Soil reinforcement by distributed discrete fibres represents an alternative to those techniques. Currently used fibres have a straight shape, uniform cross-section, and smooth surface, which is not optimal in terms of the fibre-soil interaction. In this study, fibres with a variable shape were utilized. The fibres were fabricated using a fused deposition modelling technology. Firstly, a brief theoretical background is presented. Then, the proposed shapes of the fibres and their manufacturing process are described. The mechanical properties of the soil-fibre composite were investigated through consolidated drained triaxial tests. Well-graded coarse sand and poorly-graded fine sand were used. A higher peak shear strength was observed in the case of fibres with a variable shape. The effect of the variable shape of the fibres on the peak shear strength was higher in the case of the coarse sand.</p>
</abstract>

The reinforcement of soil is used to improve its strength and stiffness. The standard method of soil reinforcement is an application of geosynthetics. Soil reinforcement by distributed discrete fibres represents an alternative to those techniques. Currently used fibres have a straight shape, uniform cross-section, and smooth surface, which is not optimal in terms of the fibre-soil interaction. In this study, fibres with a variable shape were utilized. The fibres were fabricated using a fused deposition modelling technology. Firstly, a brief theoretical background is presented. Then, the proposed shapes of the fibres and their manufacturing process are described. The mechanical properties of the soil-fibre composite were investigated through consolidated drained triaxial tests. Well-graded coarse sand and poorly-graded fine sand were used. A higher peak shear strength was observed in the case of fibres with a variable shape. The effect of the variable shape of the fibres on the peak shear strength was higher in the case of the coarse sand.

The Reinforcement of Sand by Fibres with a Non-Uniform Shape

Slovak Journal of Civil Engineering

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

{"article-title":"The Reinforcement of Sand by Fibres with a Non-Uniform Shape"}

The reinforcement of soil is used to improve its strength and stiffness. The standard method of soil reinforcement is an application of geosynthetics. Soil...

The Reinforcement of Sand by Fibres with a Non-Uniform Shape

Publié en ligne: 12 juil. 2021

Pages: 49 - 54

DOI: https://doi.org/10.2478/sjce-2021-0013

Mots clés
Fibrereinforcement, Fusion deposition modelling, Shear strength, Sand, Soil

© 2021 Pavel Koudela et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

The Reinforcement of Sand by Fibres with a Non-Uniform Shape

Publié en ligne: 12 juil. 2021

Pages: 49 - 54

DOI: https://doi.org/10.2478/sjce-2021-0013

Mots clésFibrereinforcement, Fusion deposition modelling, Shear strength, Sand, Soil

© 2021 Pavel Koudela et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Mots clés
Fibrereinforcement, Fusion deposition modelling, Shear strength, Sand, Soil