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Permanent Void Former for Lightweight Slabs - NEW NAUTILUS EVO | Geoplast
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  4. Permanent Void Former for Lightweight Slabs - NEW NAUTILUS EVO

Permanent Void Former for Lightweight Slabs - NEW NAUTILUS EVO | Geoplast

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  • Use

    Slabs
  • Applications

    Commercial, Residential, Healthcare, Educational and Public Spaces
  • Characteristics

    Modular formwork made of recycled polypropylene designed to lighten reinforced concrete slabs poured on-site. It is equipped with an innovative central cone, born from Geoplast’s building experience, that perfects the traditional formwork, and structurally has no impact. Lightweight. Seismic mass reduction. Consumption and loads reduction.
  • Sizes

    Base: 520 x 520 mm - Heights: 160mm, 200mm, 240mm

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More about this product

The NEW NAUTILUS EVO by GEOPLAST is a modular formwork made of recycled polypropylene (PP) designed to lighten reinforced concrete slabs poured on-site. It is equipped with an innovative central cone – born from Geoplast’s building experience – that perfects the traditional formwork, and structurally has no impact.

The choice of making the cone is due to the difficulty of obtaining a homogeneous bottom slab which guarantees the perfect casting. The formwork with the cone ensures:

- Actual visual check of the lower slab finishing.
- Guarantee of the completeness of the structural section.
- High load-bearing resistance.
- Lifting reduction during the pour.
- Homogeneous and perfect intrados finishing.

ADVANTAGES

LARGE SPANS NEW NAUTILUS permits the building of slabs with up to 20m span, without protruding elements (beams or dosserets).
LIGHTNESS The bidirectional flat intrados design allows the maximum lightening of the slab while mantaining high structural performances.
SEISMIC The slab lightening is the first step to realize a lightweight structure with a great seismic response.
WATERPROOF NEW NAUTILUS is made of polypropylene that is a waterproof element; therefore there can’t be soaking issues or release of water over time.
OPTIMIZATION The combination between great spans and lightweight slabs permits load limitations over pillars and foundations and the optimization of the layout distribution of the pillars.
VERSATILITY NEW NAUTILUS can be used in combination with prefabricated slabs such as predalles, or for the construction of foundation plates combinated with post-tensioning systems.

APPLICATIONS

Slabs for Commercial Buildings

When lifting a commercial building, the main thought of a designer is the creation of large spans with a better finishing for a prefabricated structure. The creation of lightened bidirectional slabs allows to obtain a completely cast on-site building with a coffered or flat intrados and large spans. NEW NAUTILUS by Geoplast allows the obtainment of a flat intrados with spans up to 15-16 m.

Slabs for Residential Buildings

The use of bidirectional slabs bring many advantages in residential buildings such as the possibility to obtain large spans, avoiding the insertion of an excessive amount of load-bearing elements, in order to get a better space management and the possibility to easily modify them in the case of building usage changes. NEW NAUTILUS allows the optimization of this spans in order to improve and manage internal compartment spaces.

Slabs for Educational and Healthcare Buildings

The building of a lightened bidirectional slab fulfils all the following points:

SEISMIC BEHAVIOUR
FIRE RESISTANCE
VERTICAL
STRUCTURES OPTIMIZATION (WALLS AND COLUMNS)

It allows the reduction of the slab’s weight and the seismic mass that may be stressed during an earthquake by granting all the user's safeguard and the fully availabilty of key rooms. A lightened slab created with NEW NAUTILUS by Geoplast can reach the level of fire resistance as hospitals and schools are required to strictly respect by REI regulations. Furthermore, the plate slabs bidirectionality allows the improvement of the columns placing creating large zones without walls and columns, therefore simplified management spaces.

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