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Sumit Singhal
Sumit Singhal
Sumit Singhal loves modern architecture. He comes from a family of builders who have built more than 20 projects in the last ten years near Delhi in India. He has recently started writing about the architectural projects that catch his imagination.

The Cheongna City Tower in Incheon, Korea by YBGSNA

 
September 22nd, 2016 by Sumit Singhal

Article source: YBGSNA

The first issue was achieved by introducing a structural spiral organic element. The vertical solid elevator core of the building is wrapped by a steel spring like spiral element. The spiral element functions as a structural element and as a vertical circulation option. The flexible nature of the spiral enabled us to expand and shrink the thickness of the tower in relationship to structural and functional needs along its vertical section. The constant slope of the spiral enabled the creation of a subtle and almost “natural” organic grace to its monumental presence.

Image Courtesy © YBGSNA

Image Courtesy © YBGSNA

  • Architects: YBGSNA
  • Project: The Cheongna City Tower
  • Location: Incheon, Korea
  • Client: City of Cheongna
  • Structural Engineer: R. Meller Engineer
  • Height: 450 m

Image Courtesy © YBGSNA

Image Courtesy © YBGSNA

The geometry of the spiral was also useful for our second concern. The flowing shape and the flexibility with the tower’s cross section dimensions enabled us to develop a dynamic and unpredictable geometrical structure which celebrates our technological abilities with a renewed sense of formal interest.

Image Courtesy © YBGSNA

Image Courtesy © YBGSNA

Our third concern is addressed with the reintroducing the “Babylonian” spiral as an experiential voyage throughout the tower. In this scheme the spiral does not express the ascent to the heavens, but rather a return voyage from the observatory that enables us revisit the landscape in a different pace and with a variety of unpredicted views and perspectives.

Image Courtesy © YBGSNA

Image Courtesy © YBGSNA

The simplicity was a key issue in the design of the tower itself. The elevator core is a simple reinforced concrete tube and the spiral is designed as a high-tech truss which is wrapped with a transparent curtain wall web. This architectural language allows it to be seen as an “event” from the out side and as an experiential space within. The structure and its thickness express clearly the functional and structural need along the tower’s section. Here too, besides allowing for a spectacular observation, there’s a clear option to use and reuse areas in the future according to changing need.

Image Courtesy © YBGSNA

Image Courtesy © YBGSNA

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Category: Tower

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