ABSTRACT
The textural characteristics and plasticity index of soils have been determined by grain size distribution test, and Atterberg Limits test respectively, on twenty sample locations spread over 150 acres at the University of Cape Coast (UCC) research station at Twifo Nwamaso in the central Region of Ghana. The soil tests were conducted at depths of 0.5 m and 1.0 m at each location. Unified Soil Classification System was adopted for the soil classification since grain size distribution had a significant effect on the engineering properties of the soil. The soil was classified as well or uniformly graded sand, sandy gravel, gravelly sand, silty sand, and sand with some clay. From the modified plasticity chart, 72% of the fine particles were observed to be silt with high and very high plasticity.
Keywords: Classification, plasticity, index, soil, histosols, atterberg limit