“Circle” consist of units of pillars sorted continuously enable this structure to bear vertical load and make multi-storied large space and resists earthquakes plastically. Also “Core wall” which surrounds the Central Void improves earthquake-resistance. The “Central Void” leads various vertical traffic lines (elevators carrying 88 persons, sloped walks, stairs, and so on), the lighting and the ventilation to the spaces. Large space between “Circle” and “Core wall” is for main functions, factories and warehouses and so on.
