High -quality round Betemi columns are cast by using a unique shotcreting process which ensures that the columns are of consistent quality, compact and perfectly round, cylindrical and conical. Tapered shapes are also possible. Betemi columns are typically used in facades, single-story frame columns, balcony columns, polished columns and different shell units. Columns can be used as architectural and structural columns.
Dimensions:
diameter 160-1200 mm
length max. 4 meters
core diameter 60-1000 mm
concrete coat thickness 50-130 mm
Savings in mould and raw material costs
Betemi columns are produced by shotcreting. The core of the unit is a tube, around which the reinforcement for the unit is assembled. Concrete is slowly sprayed around the rotating core tube. The excess concrete is then cut off and recycled.
Benefits of the shotcreting process are both economic and qualitative due to:
no casting pores
no mould oil blemishes
no mould joint traces
automation speeds up the production process and shortens lead times
the production of round columns without limitations of moulds
when different decorative surfaces are needed, only the outer layer is of more costly material and the internal part can be less expensive gray concrete
many surface treatments can be used, grinding, sandblasting, polishing and using colored concrete
production equipment require relatively small needed space