Abstract
Research on varve clays and Miocene clays in the Warsaw area has shown that the chemistry of the interstitial waters affects the plasticity index of the studied soils. As a consequence, the standard van der Merwe swelling potential chart and the Seed activity chart which are based on the plasticity index do not provide an accurate assessment of swell potential.
Résumé
La recherche sur les argiles varvées et les argiles miocènes de la région de Varsovie a montré que la chimie des eaux interstitielles affecte l'indice de plasticité de ce groupe de sols. En conséquence, le diagramme classique de gonflement de van der Merve et le diagramme d'activité de Seed qui sont fondés sur l'indice de plasticité, ne rendent pas correctement compte des gonflements potentiels.
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Myślińska, E. Accuracy of expansion charts – the influence of interstitial water chemistry. Bull Eng Geol Env 57, 263–265 (1999). https://doi.org/10.1007/s100640050043
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DOI: https://doi.org/10.1007/s100640050043