This test proposes to use steel slag-based to replace part of the cement to prepare steel slag-based concrete for highway pavement construction, aiming at exploring the enhancement of the road performance of cement concrete and at the same time, providing a channel of resource utilization for steel slag waste. The shrinkage-cracking properties of steel-slag-based concrete were examined using the elliptical ring confinement method. The degree of influence of different mix ratios on the performance of the concrete specimens was derived from the abrasion resistance and physical strength of the concrete specimens through the tests, respectively. The experiments showed that: in the range of 0-40% admixture, with the increase of steel slag admixture, the slump of steel slag-based concrete becomes larger, and under the condition of standard curing at 28d age, when the admixture of steel slag micronized powder is more than 30%, the flexural tensile strength of steel slag-based concrete is more than 5.0MPa, which meets the requirements of the flexural tensile strength of concrete pavement of heavy-duty traffic loading grade.
