Turn,Turn,Turn by Ban Design. Japan
This house is designed by the purpose of long life and comfortable life. In spite of three-storied house, inhabitants are possible to walk on the gentle slope almost like a flat house. Wooden rooms are surrounded by the spiral slope and exterior walls which are made of Reinforced concrete. Durability of the RC structure which withstands horizontal force of earthquake allows flexibility of its wooden structure. In addition, the slope functions improving good environment. Closing light weight walls, the rooms keep not only comfortable temperature by making an air layer but also privacy.
The gentle slope makes sequence of the space as horizontal displacement despite a three-storied house.Vertical displacement in this house seems almost like walking on a flat house. The building feature is hybrid structure, Reinforced concrete and wooden structure.It has various advantage of sustainability.