Investigations on Some of The Engineering Properties of Soils Found in Kemise Town

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Addis Ababa University


The objective of this research is investigations on some of the engineering properties of soil found in Kemise town. Kemise is one of the reform towns which need many construction works in the future. To find the necessary information from the sub soil, geotechnical investigation on engineering properties of soil is very essential and it is one of the most important parts of Foundation engineering. However, the engineering properties of soils in the area are not studied. To achieve the central aim of this research nineteen disturbed and undisturbed soil samples were collected from eleven test pits. Thereafter, tests for engineering properties were carried out in the laboratory. According to engineering properties test results, it is concluded that the type of soils found in Kemise town is clay, silt and silty sand. Based on the type of soils identified the clay soils have liquid limit ranging from 40 to 84.9%, plastic index ranging from 16.7 to 55.4%. Silt soils have liquid limit ranging from 36.8 to 67.5%, plastic index ranging from 12.1 to 34.7%. While silty sand soil has liquid limit ranging from 30.7 to 37.4%, plastic index ranging from 6.5 to 10%. The consistency of soils which are stiff to hard, identified based on the liquidity index value. The results obtained from consolidation test, the values of coefficient of consolidation and Coefficient of permeability are reduced with effective stress increment. The coefficient of permeability ( to cm/sec) indicating that the soil sample investigated in study area is practically impermeable (impervious soil).



Civil Engineering