Prestressed slabs are prestressed concrete elements that have a constant cross section. They are manufactured using high tensile strength prestressed strands or single wire which are embedded within the element.
The production of these elements is achieved using our Slipformer or Wet Casting machines that
cast an element continuously on a long production bed without the need of any formworks.
Half slabs are used as covering elements in residential, social and commercial construction. Half slabs are used in construction projects that have high loading and/or large spans. A floor is usually made of half slabs with hollow blocks (concrete or clay) or polystyrene in-fills. The concrete and clay in-fill blocks can be laid in two layers. The in-fills keep the weight of the floor to a minimum and are then covered with in-situ concrete to form the ribs and the floor slab. As well as the prestressed wire reinforcement the half slabs have steel mesh embedded in the lower part to further increase the element strength.
To ensure adequate fire resistance the slab can be manufactured with a different thickness of the lower part to give a greater concrete covering of the steel reinforcement
The dimensions of the concrete elements and the prestressed steel wire configuration can be changed according to the element technical specifications required. These are used in many applications. Concrete elements can be produced up to 13 m long Assured quality by using specific equipment for the manufacture of the concrete elements combined with a high end quality control system
The combination of half slabs with clay infills or polystyrene insulation allows the construction of various floor thicknesses.
Slabs with steel lattice are used as covering elements in residential and social construction. A floor is usually made of Filigree slabs with hollow blocks (concrete or clay) or polystryrene in-fills. The in-fill blocks can be mounted in 2 steps. The in-fills keep the weight of the floor to a minimum and are then covered with in-situ concrete to form the ribs and the floor slab. As well as the prestressed wire reinforcement the Filigree slabs have steel mesh embedded in the lower part to further increase the element strength. To ensure adequate fire resistance the slab can be manufactured with a different thickness of the lower part to give a greater concrete covering of the steel reinforcement. Filigree slabs with clay in-fill blocks
Solid slabs are used as floor elements in residential, social and commercial construction which require a slab with a high level of loading, high fire resistance and good acoustic and thermal insulation. To ensure adequate fire resistance the slab can be manufactured with a different configuration of the lower part to give a greater concrete covering of the steel mesh.
The floor panel is a sandwich panel used for floor and roof coverings, whose thickness varies according to the spans and the design loads.
This prefab panel, prefabricated in the factory, is generally completed on site by placing concrete into the ribs and upper concrete casting: a sort of a disposable, insulating formwork, whose thickness of polystyrene (EPS) varies according to the requirements of insulation and structural resistance.
Alternatively, the reinforcement and casting can be done directly in the factory, as for the prefabricated concrete floors.
These insulated precast panels are used for:
