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Scholz P, Putna-Nimane I, Barda I, et al. Environmental Impact of Geosynthetics in Coastal Protection. Materials (Basel). 2021;14(3)doi: 10.3390/ma14030634.
Scholz, P., Putna-Nimane, I., Barda, I., Liepina-Leimane, I., Strode, E., Kileso, A., Esiukova, E., Chubarenko, B., Purina, I., & Simon, F. G. (2021). Environmental Impact of Geosynthetics in Coastal Protection. Materials (Basel, Switzerland), 14(3), . https://doi.org/10.3390/ma14030634
Scholz, Philipp, et al. "Environmental Impact of Geosynthetics in Coastal Protection." Materials (Basel, Switzerland) vol. 14,3 (2021). doi: https://doi.org/10.3390/ma14030634
Scholz P, Putna-Nimane I, Barda I, Liepina-Leimane I, Strode E, Kileso A, Esiukova E, Chubarenko B, Purina I, Simon FG. Environmental Impact of Geosynthetics in Coastal Protection. Materials (Basel). 2021 Jan 29;14(3). doi: 10.3390/ma14030634. PMID: 33573061; PMCID: PMC7866501.
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Materials (Basel). 2021 Jan 29;14(3). doi: 10.3390/ma14030634.

Environmental Impact of Geosynthetics in Coastal Protection.

Materials (Basel, Switzerland)

Philipp Scholz, Ieva Putna-Nimane, Ieva Barda, Ineta Liepina-Leimane, Evita Strode, Alexandr Kileso, Elena Esiukova, Boris Chubarenko, Ingrida Purina, Franz-Georg Simon

Affiliations

  1. BAM Bundesanstalt für Materialforschung und-prüfung, 12200 Berlin, Germany.
  2. Latvian Institute of Aquatic Ecology, 1007 Riga, Latvia.
  3. Shirshov Institute of Oceanology, Russian Academy of Sciences, 117997 Moscow, Russia.
  4. Immanuel Kant Baltic Federal University, 236041 Kaliningrad, Russia.

PMID: 33573061 PMCID: PMC7866501 DOI: 10.3390/ma14030634

Abstract

Geosynthetic materials are applied in measures for coastal protection. Weathering or any damage of constructions, as shown by a field study in Kaliningrad Oblast (Russia), could lead to the littering of the beach or the sea (marine littering) and the discharge of possibly harmful additives into the marine environment. The ageing behavior of a widely used geotextile made of polypropylene was studied by artificial accelerated ageing in water-filled autoclaves at temperatures of 30 to 80 °C and pressures of 10 to 50 bar. Tensile strength tests were used to evaluate the progress of ageing, concluding that temperature rather than pressure was the main factor influencing the ageing of geotextiles. Using a modified Arrhenius equation, it was possible to calculate the half-life for the loss of 50% of the strain, which corresponds to approximately 330 years. Dynamic surface leaching and ecotoxicological tests were performed to determine the possible release of contaminants. No harmful effects on the test organisms were observed.

Keywords: artificial ageing; dynamic surface leaching test; geosynthetics; geotextiles; marine littering

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