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Columns and beams

3D model of a precast concrete skeleton structure with columns and beamsMobile crane assembling precast concrete columns and beams on hall construction site in skeleton constructionReinforced concrete columns with protruding reinforcement bars on construction siteShell construction made of concrete wall and slab elements erected by tower cranePrefabricated prestressed concrete beams with T-shaped cross-section in production hall

Concrete beams, also known as summers, are girders, which take up the load of a floor or wall and relay it to other structural components. The load capacity and/or span of a ceiling can be increased by the use of beams. 

In some cases beams can take over the load-bearing function, create (unlike walls) free access and can bridge large spans. They are also used subsequently in renovating old buildings to improve statics. Concrete columns consist of very pressure-resistant concrete. They are constructed to bear loads. They can be designed for each floor or across several floors.

3D representation of prestressed concrete beams with prestressing strands in cross-section

These components are used in combination in column-beam structures (skeleton structure). First of all, a load-bearing structure consisting of the columns and beams is created. The non-load-bearing sandwich outer walls are suspended like a curtain in front of the load-bearing structure and interior walls and floors are installed. The elements, which are frequently the height of one storey, are linked together and sealed in the joint area of the individual elements against humidity and for wind-resistance. This construction method constitutes fast, cost-efficient production with flexible, independent interior design.

Blue steel welding fixture with adjustable clamps in a workshop hall for aligning steel beams

Columns and foundation plinths

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