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Components of Concrewall.

Expandable Polystyrene (EPS)

Particular Unit of measurement Types Test Method
I II III IV
Volume mass
Tolerance per single sheet (+) %
Kg/m3Percentage 156% 206% 256% 306% UNI 6349
Dimensional stability
at 10° C
at 70° C
Percentage 0,2
0,5
0,2
0,5
0,2
0,5
0,2
0,5
UNI 8069
Water absorption by immersion Percentage Vol 4 3 2 2 ISO 2896

 

Steel

A wire with high limit of breakage, FTK> 600 MPa, with an adequate ductility is employed for the production of the panels. The zinc coted steel wire is therefore protected towards corrosive processes.

The steel used for the wire of both meshes and connectors has the following reference standards:

1.Mechanical Characteristics 
Tensile strength (N/mm2)
Yield strength (N/mm2)
Elongation (%)
ø2.5 =750
ø2.5 = 680
ø2.5 > 8
ø3 = 700
ø3 ÷ 600
ø3 > 8
ø3,5 ÷ 600
ø3,5 ÷ 550
ø3.5 > 8
2. Chemical Characteristics
% C < 0,24   % P < 0,055    % S < 0,55   % Ceq < 0,52
3. Zinc covering
The zinc covering is variable with the diameter of the wire mesh. Standard mesh wire is with 2.5 to 6 mm using 60 grams/sqm zinc covering with a tolerance of + / – 5 grams.

 

Structural Plaster

The Concrewall single panel used as bearing element is finished on site thought structural plaster application on each side. The standard final thickness is about 35 mm each side. The panel will form a wall of reinforced concrete with expanded polystyrene core. The structural plaster will have stone-size of mixing granulometry from 0 to 5mm and final resistance of at least 25mpa variable according to the structural panels and geometry building requirements.

components-of-concrewall-maad-group

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