Columns can be produced in a wide variety of cross-sections (square, rectangular, round) in both in-situ concrete and precast construction and take over the vertical load transfer from a static point of view.
Reinforced concrete columns are mainly used in skeleton construction, which developed from hall constructions made of cast iron and steel in the 19th century and later became established above all in high-rise construction.
The infill of the façade, which was still in the column level at the beginning of the skeleton construction method, was replaced by curtain walls in further development. As a result, the load-bearing structure of the building is no longer visible, and the façade design is detached from the load-bearing structure.
This construction method allows for a use-specific division of the column grid and the greatest possible flexibility in the floor plan and façade design. In terms of façade design, there are options between strip, grid and full-surface glazing with floor-to-ceiling mullion-transom constructions.
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