The Assessment and Treatment of Dredged Sediments and Limestone Tuff Using Waste Ceramic with Low-Cement

Abstract

Dredged sediments are a valuable natural resource used in construction and public works, however some dredged sediments do not have the physical and chemical qualities necessary for reuse, necessitating the addition of complementary materials such as ceramic waste powder. The main objective of this study is to improve the technical quality of sediments by adding ceramic waste powder and cement in low content by strengthening its mechanical and geotechnical properties. The present paper reports the treatment and recovery of dredged sediments with varying percentages of ceramic powder (Cp) and cement. Various properties such as maximum dry density, optimum moisture content, and California Bearing Ratio (CBR) are analyzed, the obtained results are compared with limestone Tuff. Investigations are performed using percentages of ceramic powder (Cp) at 2.5%, 5%, 7.5%, 10% and cement 5%. The results showed that there was an appreciable increase in strength and CBR values by the addition of Cp and cement. The research proved the effectiveness of the proposed method for constructing roads and pavements with low thickness.