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BCHO architects: twin trees
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'twin trees' by BCHO architects in seoul, koreaall images courtesy BCHO architectsabove image by kyungsub shin
seoul-based practice BCHO architects (byoung soo cho) has sent us images of their newest project,'twin trees', a 17-storey office building in seoul, korea. located adjacent to the historical gyeoungbuk palace,samchong dong and the insadong area, the design seeks to reference and respect the pre-existing nature of the site by maintaing the flow of the circulation on both the street and basement level.
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exterior viewimage by wooseop hwang
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the plot, which was the former site of the demolished hankook ilbo building, features numerous smallpassages and alleyways which is an integral part of the location's urban fabric. in order to minimize disruption of this circulatory pattern, the design is read as two autonomous structures that share7 basement levels below grade. the chasm in between the two volumes maintain pedestrian movementby providing exterior sitting area as well as a linear bar underground.
street viewsimages by kyungsub shin
the overall forms of the towers were influenced by the shape of an old korean birch tree trunk, organic and sculpted as if moulded by flowing water. the reference allows for the structures toefficiently utilize the irregular site conditions which is composed of vaguely acute angles.horizontally running structural lines exaggerate the dips and bulges of the undulating facade.
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undulating surfaceimage by wooseop hwang
glazed facadeimage by wooseop hwang
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image by kyungsub shin
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adjacent to gyeoungbuk palaceimage by kyungsub shin
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image by kyungsub shin
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images by kyungsub shin
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from plazaimage by kyungsub shin
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interior viewimage by kyungsub shin
atriumimage by kyungsub shin
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image by kyungsub shin
glazingimage by kyungsub shin
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image by kyungsub shin
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entranceimage by kyungsub shin
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general view
night viewimage by wooseop hwang
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physical model
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facade study - old tree trunk
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architect's sketch
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site map
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site context
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schematic diagram
site plan
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floor plan / level -2
floor plan / level 0
floor plan / level +3 (typical)
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longitudinal section
elevations
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post-tension structure
project info:
principal use: officetotal area: 65, 918.85 m2storeys: 8 below grade, 17 above gradestructure: post tension slab, SRC
project team: woohyun kang, erik horn, yongeun bae, sungwha kwon,jiyoung seu, kihyun park, nicholas locke, eric druse, joohyun park, juno ahnstructural engineer: dongyang structural engineers groupgeneral contractor: hanil engineering & construction companyservices engineer: han kook engineering co.facade contractor: lucky ability curtain wall (seoul, korea)facade consulting: simpson gumpertz & heger (new york, USA)