Effect of Cement Clinker on the Properties of Flue Gas Desulphurization Gypsum-Steel Slag Cementitious Composites

The effects of cement clinker on the properties of flue gas desulphurization gypsum-based steel slag composites were analyzed in this article and the influence rules of setting time, final setting time, flexural strength and compressive strength of cementitious composites were also discussed. The micro-morphology of the composite was observed by scanning electron microscope. At the same time, the excitation mechanism of cement clinker on gas desulphurization gypsum-based steel slag was put forward. It was demonstrated that cement clinker with content of 2% in the composites can better stimulate the activation of steel slag and improve the mechanical properties of the composites.