Abstract: An integrated column structural body including a rail-shaped core body, piping disposed around the core body so as to be inside recessed portions of the rail-shaped core body, and a joint element for holding the core body and piping together. Installation members are provided on the top of the column structural body so that advertising signs, roof structures, etc. are installed on the column structural body. Also, horizontal guardrails can be horizontally disposed on the column structural body.

Abstract: A computer graphics system for designing on a unified concept the entire area of a subway station, including the passage extending from the subway entrance connecting the ground-level public street to the station platform. The computer graphics system comprising: designing the entire station, including the wall, floor and ceiling of a passage, floors, valleys between escalators, the wall, step and ceiling of an escalator, the wall of a platform, tunnels (portions extending about 100 meters into the tunnel from the ends of a platform), pillars, floors and the like on a unified concept using computer graphics; registering various created designs in a database as components; and pasting the components together on a specified location as needed in order to design the entire area of a subway station.