This study aims to explore the current “double ageing” (demographic ageing of residents and physical facilities) in high-rise (over 20 stories by Japanese Government’s definition) residential buildings Tokyo, where rate has increased most rapidly since late 1990s, compared those other cities worldwide. First, trend demographic districts are concentrated is analysed. The results show that faster...

The Kunshan urban investment project includes 1 office tower, 4 high-rise residential buildings and commercial building.Each monomer shares a large basement chassis, total of three floors.This design is the second phase (4# residence corresponding basement).The height structure more than 90 meters, it shear wall system. selection system are analyzed, mechanical performance verified through calc...