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September 5, 2025Open Access

Laboratory tests of the impact of stones on geotextiles and calculation model

Key Points

Laboratory tests demonstrated that non-woven geotextiles often sustain damage from stone impacts.
Key findings indicate that the shape of the block and layer friction are crucial factors in assessing damage.
The established calculation model evaluates important parameters influencing geotextile vulnerability.
Results indicate that the extent of stone penetration into the underlying soil plays a lesser role in damage.

Abstract

Laboratory tests have been performed to test the influence of stone impact on a geotextile. According to the Dutch guideline for this type of structures, the vulnerability for stone impact should be limited for non-woven geotextile with a high elongation at break. However, laboratory experiments and field tests showed that also these non-wovens are damaged regularly. A calculation model is used to investigate what are the important parameters for damage of the geotextile during impact. Shape of the block and friction between layers appear of importance. The amount of penetration of the stone into the soil below the geotextile is of less importance. Results are compared with laboratory tests.

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Adam Bezuijen (Wed,) studied this question.

www.synapsesocial.com/papers/68bb49cc6d6d5674bccffb2a — DOI: https://doi.org/10.1051/e3sconf/202564402011

Laboratory tests of the impact of stones on geotextiles and calculation model

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