530 metres tall, Guangzhou CTF Finance Centre is a mixed-use skyscraper in Guangzhou, China. It ranks number 8 among the world's tallest completed buildings by architectural height. [2]
The developer’s 2014 technical paper describes a 32-metre square core and eight concrete-filled steel-tube mega-columns on mat and pad foundations bearing on rock. Four outrigger levels and six double-layer belt-truss sets link the structure at mechanical and refuge floors. C80 concrete reduced required wall thickness.
KPF organised four main transition points as the programme moves upward from offices to residences, hotel and sky lobby. The changes in volume correspond to different occupancy needs. The tower also connects to transport below ground and neighbouring buildings by pedestrian bridges.
The construction sequence delayed final outrigger connections to the mega-columns. This allowed for differential shortening between the columns and core, limiting locked-in stresses. The developer’s paper also records wind-tunnel studies and a 1:40-scale shaking-table test used to assess the proposed seismic behaviour.
The terracotta piers shade the glazed facade while preserving views. KPF also identifies high-efficiency chillers and heat recovery as part of the environmental strategy. At this scale, shading, cooling loads and space allocation for plant are interdependent architectural and engineering choices.
: added a visible evidence register and change history. The initial evidence-register release preserved the existing measurements; subsequent corrections appear above.