Buildings

Greenland Towers

The twin towers are located on the outskirts of the rapidly growing city of Zhengzhou in Henan Province. They are part of an urban expansion project, in which railway lines, road junctions, business and shopping centres as well as cultural facilities are to be sensibly located and further developed.
The windmill-shaped floor plans accommodate offices, a hotel, apartments and a business club on 63 floors.
Generous entrance zones, open terraces (sky lobbies) and the fully glazed tower-top atriums characterize the two buildings.
For the seismic design, Chinese legislation requires a redundant bracing system. The implementation was carried out using a very stiff concrete core, which is formed by the staircase and the lift shafts, as well as vertical trusses and belt trusses as a steel-concrete composite structure.
The columns were arranged behind the facade. Due to the high loads, the columns were designed with composite sections. Over the sky lobbies, inclined columns transfer the loads. The foundation was realized using thick base slabs and many long large bored piles.
With a height of 284 metres, the twin towers characterise the skyline of Zhengzhou as a landmark that is visible from afar and that creates a sense of identity.

Categories
Buildings
Location
Zhengzhou, China
Architect
gmp · Architekten von Gerkan, Marg und Partner
Cooperation
Tongji Architectural Design (Group) Co. Ltd.
Owner
Greenland Group
Partner
Sven Plieninger
Features
High-rise

Technical Data

Height
284 m
Base area
56 m x 56 m
Levels
63 above ground,
4 underground
GFA
746.202 m² total
572.493 m² above ground
173.709 m² below ground
certification
LEED Silver

Lectures

Awards

Location

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