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1 Studia Geotechnica et Mechanica

1 2015

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Moisture content impact on mechanical properties of selected cohesive soils from the Wielkopolskie Voivodeship southern part

Pezowicz P., Choma-Moryl K.

Studia Geotechnica et Mechanica

2015

Vol. 37, nr 4

37--46

Results of investigations of shearing resistance and compressibility of fine-grained cohesive soil from the southern part of the wielkopolskie voivodeship in relation to the increasing moisture content are presented. The analysis of two series of samples, using soil paste for the consistency index of 0.9 and 0.4–0.3 was carried out. The results imply that the increasing moisture content causes a decrease in the angle of shearing resistance and cohesion and is also reflected in the higher compressibility of the soil. It was observed that regardless of the soil consistency, the angle of shearing resistance decreases and the cohesion value and the oedometric modulus of primary (consolidation) and secondary compressibility grows with the increase in the clay fraction.