CONCRETE FOUNDATION

摘要

PURPOSE: A concrete basic material for installing posts is provided to improve outer appearance and be easily transferred by having a conical shape from a bottom and a middle part and having a clobber shape over the middle part. CONSTITUTION: A construction method of a concrete basic material for installing posts comprises following steps. A part of a post(11) in which anchors are welded is inserted into a mold. A concrete layer(13) is formed by pouring concrete and is cured in room temperature. The lower part of the concrete layer is formed of a conical post(14).