Paving stone, has two-colored face concrete surrounding concrete aggregate, so that either one color of cement paste and two colors of aggregates and/or two colors of paste and one color of aggregates are visible, after surface treatment

摘要

The stone has a smooth or molded surface with teeth and recesses corresponding to the teeth. Monochromic concrete aggregates are merged into the different-colored concrete aggregates. The concrete aggregates are surrounded by different-colored cement paste (6). Two-colored face concretes surround the concrete aggregate, so that after the water jet, solidification and mechanical surface treatment, a color of the cement paste and two colors of the aggregates and/or two colors of the cement paste and a color of the aggregates are visible.