Wednesday, October 26, 2011

Galleria Centercity Facade + interior / By UNStudio + GANSAM Architects & Partners

Cheonan, Chungcheongnam-do, South Korea
UNStudio + GANSAM Architects & Partners
Post By:Kitticoon Poopong
Photo © Courtesy of UNStudio, Kim Jong-kwan
UNStudio's Galleria Centercity Department Store in the Korean city of Cheonan reclaims the social and cultural space within the private, commercial large scale department store.

Photo © Courtesy of UNStudio, Kim Jong-kwan
Rather than being the outcome of a prescriptive, standard-critical approach, the design of the Galleria Centercity is based on observations of current behavioural tendencies in large commercial spaces. Particularly in South East Asia, department stores serve a highly social function; people meet, gather, eat, drink and both shop and window shop in these venues. The department store is no longer solely a commercial space, it now offers the architect the opportunity to build upon and expand the social and cultural experience of the visitor. If today we are seeing the museum as a supermarket, then we are also now seeing the department store as a museum.
Photo © Courtesy of UNStudio, Kim Jong-kwan
An expanded interpretation of utility beyond efficiency and profitability is at the heart of the design. In view of this, along with a more varied programme, UNStudio’s design seeks to provide a stimulating experience for the visitor.
Photo © Courtesy of UNStudio, Kim Jong-kwan
On the outside, this is translated into an appearance that is almost impossible to fix. The double layered façades are articulated in a trompe l’oeuil pattern of vertical mullions. The vertical lines on the façade make the scale of the building unreadable; does it contain three floor levels, or fifteen? On the inside, this play with scale and dimension is continued in a way that is at least as radical as the outside. Upon entering, the department store is revealed as a layered and varied space which encourages investigation and unfolds as you move through and up the building.
Photo © Courtesy of UNStudio, Kim Jong-kwan
Programmatically, the Galleria Cheonan incorporates a number of cultural and public spaces, including an art and cultural centre and a VIP room. In the basement, a food court and speciality supermarket constitute another distinct destination within the building, which is simultaneously integrated with the overall design strategy.
Photo © Courtesy of UNStudio, Kim Jong-kwan
Cheonan – New city development as platform for innovation:
Situated some 80km south of Seoul, Cheonan is well connected to the capital by railway and road, with a new high speed rail link having recently been completed. The area around the new high speed terminal is under development and - prominently visible from the main road - the Galleria Centercity marks the entrance to this new development area.
Photo © Courtesy of UNStudio, Kim Jong-kwan
Dynamic Flow and optical illusion on a grand scale:
The main architectural theme for the Galleria Cheonan is that of dynamic flow. This is found both inside and outside. The architecture of the 66,000 m2 building responds to its central position by presenting a deliberately changeable aspect all-around. Moiré effects, special lighting and animations ensure that the outside changes appearance constantly.
Photo © Courtesy of UNStudio, Kim Jong-kwan
The double layered façade encloses the building, with a number of strategic openings incorporated into the inner façade layer.These openings provide daylight to the interior. At the same time, the lamellas of the outer façade prevent direct sunlight from entering the building, ensuring a cooler environment, while the use of white finishes throughout the interior minimises the need for artificial lighting.
Photo © Courtesy of UNStudio, Kim Jong-kwan
The interior derives its character from the accumulation of rounded plateaus on long columns. The repetition of curves, enhanced by coiled strip lighting in the ceilings of the platforms, gives the interior its distinctive character. Four stacked programme clusters, each encompassing three storeys and containing public plateaus, are linked to the central void. This organisation propels a fluent upstream flow of people through the building, from the ground floor atrium to the roof terrace. As the plateaus are positioned in a rotational manner in space, they enable the central space to encompass way finding, vertical circulation, orientation and act as main attractor of the department store. The spatial and visual connections within the space are designed to generate a lively and stimulating environment, in which the user is central.
Photo © Courtesy of UNStudio, Kim Jong-kwan
Photo © Courtesy of UNStudio, Kim Jong-kwan
Media façade - The largest illuminated surface of its kind in the world:
The strategy for the building enclosure consists of creating an optical illusion. During the day the building has a monochrome reflective appearance, whilst at night soft colours are used to generate waves of coloured light across the large scale illuminated surface. The lighting design was developed in parallel with the architecture and capitalises on the double layered façade structure. Computer generated animations specially designed by UNStudio are incorporated into the lighting design and refer to themes related to the department store, such as fashion, events, art and public life.
Photo © Courtesy of UNStudio, Kim Jong-kwan
Photo © Courtesy of UNStudio, Kim Jong-kwan
Photo © Courtesy of UNStudio, Kim Jong-kwan
Place branding – not name branding:
Rather than creating a platform for a multiple billboard effect made up of individual brand identities, the thematic animated content of the fully integrated media façade facilitates a more holistic and site-oriented urban approach to branding.
Description from the Architects:
Photo © Courtesy of UNStudio, Kim Jong-kwan
Photo © Courtesy of UNStudio, Kim Jong-kwan
Photo © Courtesy of UNStudio, Kim Jong-kwan
Photo © Courtesy of UNStudio, Kim Jong-kwan
Knot axonometric--drawing © Courtesy of UNStudio + GANSAM Architects & Partners
facade concept--drawing © Courtesy of UNStudio + GANSAM Architects & Partners
Double layer façade--drawing © Courtesy of UNStudio + GANSAM Architects & Partners

concept diagrams--drawing © Courtesy of UNStudio + GANSAM Architects & Partners

Video: A video of Ben van Berkel / UNStudio's Galleria Centercity Department Store in Cheonan, Korea.Produced by: Florian Licht, 2011

Project Data
Project name: Galleria Centercity
Location: Cheonan, Chungcheongnam-do, South Korea
Program: Department store with parking garage, supermarket and food court, restaurants, kids’ café, vip lounge, art center and cultural center and roof top terraces
Site Area: 11,235 m2
Building Area: 7,090 m2
Gross Floor Area: 110,530.73 m2
Project start: 2008
Completion Year: December 2010
Building Coverage: 63.30%
Floors: 6 below grade, 10 above grade
Structure: Steel-concrete composite columns, floor: steel structure with concrete slab

The people
Client / Owner: Hanwha Galleria Co. LTD
Architects: UNStudio + GANSAM Architects & Partners
UNStudio Design team: Ben van Berkel, Astrid Piber with Ger Gijzen, Marc Herschel and Marianthi Tatari, Sander Versluis, Albert Gnodde, Jorg Lonkwitz, Tom Minderhoud, Lee Jae-young, Woo Jun-seung, Constantin Boincean, Yu-chen Lin
UNStudio Interior: Ben van Berkel, Astrid Piber with Ger Gijzen, Cristina Bolis and Veronica Baraldi, Lee Jae-young, Felix Lohrmann, Kirsten Hollmann, Albert Gnodde, Martijn Prins, Joerg Lonkwitz, Malaica Cimenti, Florian Licht, William de Boer, Eelco Grootjes, Alexia Koch Executive Architect/Site Supervision/Landscape Architect: GANSAM Architects & Partners GANSAM Design team: Kim Tai-jip, Han Ki-young, Nam Myung-kwan, Yoon Chang-bae, Park Seong-beom, Kwon Na-young, Nam Young-ho
GANSAM Interior: Lee Seung-youn, No Se-hyo, Ryu Hee-won, Na Min
Façade Consultant: KBM Co. LTD
Light Designer: a.g. Licht
Content Programmer: Lightlife
Way-finding Designer: Geerdes Ontwerpen
Visuals: UNStudio, Amsterdam and rendertaxi
Structural Engineer: Kopeg Engineering
Electrical Engineer: Ilshin E&C
Mechanical Engineer: Sahmwon MEC
Civil Engineer: CG E&C
Main Contractor: Hanwha E&C Co. LTD
Façade contractor: ILJIN UNISCOInterior: Joong Il, Won Intertech, Artifort, Gawon, Creid, Hanmi, Sangwon S&D, and Daehye
Photographs: © Courtesy of UNStudio, Kim Jong-kwan

Note>>Location in this map, indicate city/country but not exact address.
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