Research Article

Experimental Study on the Concrete with Compound Admixture of Iron Tailings and Slag Powder under Low Cement Clinker System

Table 1

Main properties of reference cement.

Compressive strength (MPa)Flexural strength (MPa)Setting time (min)Specific surface area (m2·kg−1)Fineness (mm)Standard consistency water consumption (%)Soundness
3 d28 d3 d28 dInitialFinal

28.353.25.510.31552153470.527.2Qualified