This paper deals with the manufacturing systems of architectural precast concrete retaining wall textured. The one is the wall mounted with waste cut-ashlar on the face. The ashlar is set on the face of the concrete before setting. The other is the wall coated with sand. The sand is mechanically dropped on the face of concrete before setting. This technique can economically make the face of the concrete wavy as well as coated with sand. Since the pattern of both wall systems does not look regular norrandom but does appropriately fluctuate, it looks soft, warm and natural.
