Ecological slag artificial squared stone brick and preparation method thereof

The invention relates to an ecological slag artificial squared stone brick which is in an integral layered structure consisting of a base layer and a face layer, wherein the face layer is composed of natural limestone, cement and nano silica sol, and the base layer is composed of steel slag concrete in a porous structure. The ecological slag artificial squared stone brick overcomes the major drawback of radioactivity of natural stones and has no radiological hazard to human bodies; the nano silica sol, the natural limestone and the cement are proportionally made into stone simulated face layer materials, products are more fashionable, smooth and attractive and have texture impression and solid texture as natural stones; and integrally laminating the steel slag concrete in the porous structure with the stone simulated face layer enables the obtained ecological slag artificial squared stone brick to have fine water permeability. In addition, the ecological slag artificial squared stone brick ...