The B6 office building by Christian Kerez attracts particular attention in the Confluence district. The sober building is based on a simple grid formed by concrete columns that support the ceilings and floor slabs. A band of windows closes off the storeys to the outside without appearing like a boundary. This is because it is not the windows but the supporting concrete columns that close off the façade. They are the outer layer of the façade and thus create a permeable connection between the interior and urban space. The load-bearing structure becomes the architecture.
The construction, which is heavy at ground level and becomes lighter as it rises towards the sky, interprets the classic order of columns in a sophisticated way. From the rustic Doric column to the Ionic and the slender Corinthian column. An ironic gesture! Because unlike the classical columns of the 18th and 19th centuries, which adorn the magnificent buildings all over Lyon, the concrete columns of the B6 are not façade decorations at all, but supporting elements of the architecture. It is astonishing how much care has been taken in the execution of the columns. The columns of the lower three storeys are prefabricated from tamped concrete. The columns of the two middle floors are made of vibrated concrete, as are the ceilings and parapets, while the columns of the upper three floors are made of spun fiber-reinforced concrete.
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This project from Nuts & Volts shows you how to create a 4x4x4 monochromatic LED matrix for cool 3D patterns. Includes a video & kit option! Check it out: 
