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- Title
PARTICULARITY OF PLASTICITY CHARACTERISTICS OF FINE GLACIAL MATERIALS (NORTH CHICAGO AREA).
- Authors
CONSTANTINESCU, JULIANA; CONSTANTINESCU, DAMIAN
- Abstract
The representation of plasticity characteristics on Casagrande plasticity chart of glacial material samples, from an investigated area north of Chicago, IL, USA, confirmed the known alignment along the T line (Boulton and Paul, 1976) for the category of glacial materials. The goal of the present study was to identify the factors responsible for the plastic behavior of the glacial materials. We consider that this particular characteristic of plasticity is the result of grain size distribution with a minimum inter-granular space created by genetic glacio-clastic processes. Synergetic association between the minimum inter-granular void grain ratio, and the minimum efficient content of clay pallets around bigger grains, have an impact over plasticity behavior, lowering both liquid limits LL, and plasticity limit PL, but increasing the gap between these limits (the plasticity index).
- Subjects
NORTH Chicago (Ill.); PARTICLE size distribution; PHENOTYPIC plasticity; GLACIOLOGY; SYNERGETICS
- Publication
GeoEcoMarina, 2011, Vol 17, p59
- ISSN
1224-6808
- Publication type
Article