Formwork system for load-bearing wall

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Mantova, Italy
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Formwork system for load-bearing wall

It is an insulating disposable formwork destined to built vertical structures in concrete, consisting of two panels in high density foam polystyrene EPS150 (self-extinguishing), Class EUR E, connected together, at a variable distance, by a series of metal trellis. The metal trellis are made up with vertical uprights Ø8, Ø10 in B450C, fitted every 20 cm on the two internal sides of the formwork and connected with beams Ø5 and by a series of diagonals Ø3, used to make the formwork stiffer during the M casting.
The diagonals are opposed one to the other as to host, before casting, the inside horizontal bars forecast by the designer. The space between two EPS plates is filled with concrete, thus building self-standing vertical walls compliant with standards. It is thus possible to build civil and industrial works and multistorey buildings, in concrete, suitable insulated and finished. The formwork internal and external plates consist of foam polystyrene styrenics (EPS), EPS 150 grey, improved lambda D = 0.031 W/mK manufactured according to the standard EN 13163 and to the EC standard as forecast by the Italian regulations on insulating materials. According to their final use, the grey plates are manufactured with a material whose mass volume accounts for p=27/30 kg/m3. EPS is compatible with concrete, cement, masonry, brickworks, mortar, plaster, bituminous waterproof membranes, etc. and therefore it can be used for different applications, paying simply attention, should it be opened to the outside, to protect it from UV rays.
Specific thermal capacity Cp=1450 J/(kg K)*
Water steam resistance factor μ = 60*.
Internal plates are always manufactured with the same thickness, 5 cm, 7,5 cm, 10 cm, while external plates, as specified on the table, can be 5, 7.5, 10, 12.5, 15, 20, 25 cm thick, as to provide for a better thermal insulation. Table values according to the regulation UNI EN ISO 10456

Further info from manufacturer on MURO PLASTBAU® 3

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