Using of Cement Kiln Dust as a Mineral Admixture to Produce Sustainable Self-Compacting Concrete

Abstract

the use of waste/by-product materials in concrete technology has been increasingly popular as it makes the aim of sustainable development achievable. This paper presents an experimental study that aimed to find out the possibility of using the Cement Kiln Dust (CKD) as a cement replacement material. Different percentage replacements (10%, 20%, and 30% by weight of cement) were used in producing Self-compacting concrete SCC. The fresh and mechanical properties of four mixes were experimentally evaluated. The results showed that incorporating CKD led to deteriorate both fresh and mechanical strength. However, structural concrete (SCC) (in terms of strength) to be used in general civil engineering infrastructure projects could be easily produced. Where, with 30% wt CKD replacement, SCC having 25MPa compressive strength (cylinder specimen) was achieved.