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Nowadays, there is a storage problem of solid waste materials from the urban transformation projects due to their large volumes. Environmental protection and cost saving are provided when such waste materials are used. Therefore, in recent years the usage of these waste materials has been new trend research topics. In this study, 2% of lime (constant through the experiments) and different percentages of construction concrete wastes (changes between 5% and 35%) were added on a clayey soil taken from field for soil stabilization purposes. First of all, sieve test, hydrometer test and Atterberg test were performed on the soil sample and the soil classified as high plastic clay. Then, the optimum water content and maximum dry density values of the prepared samples has been determined by using proctor compaction test. In order to determine the strength of the samples, 38 mm diameter and 76 mm length cylinders of the samples with the optimum water content has been prepared. Unconfined compression tests were performed on those samples after 3 days, 7 days and 28 days curing time and their strengths have been determined. As a result of these experiments, it was found that the engineering properties of the high plastic clay increases with the different percentages by adding waste material and lime. [ABSTRACT FROM AUTHOR]