Hollow-core slab

Precast concrete popularity is linked with low-seismic zones and more economical constructions because of fast building assembly, lower self weight (less material), etc.

The process involves extruding wet concrete along with the prestressed steel wire rope from a moving mold.

The continuous slab is then cut to required lengths by a large diamond circular saw.

Another fabrication system produces hollow-core floor slabs in reinforced concrete (not prestressed).

Hollow-core slabs and wall elements without prestressed steel wire can be formed by extruders.