CENTRUM WIEDZY -EN

GRC technical data

PARAMETER UNIT SPRAY MOTHOD CASTED MIXTURE METHOD CONVENTIONAL CONCRETE
Glass fibre content in concrete mix % 5 3 0
Dry density g/cm3 1,8-2,2 1,8-2,0 2,2-2,5
Thermal conductivity W/m*K 0,9-1,5 0,9-1,5 1,0-1,6
Thermal expansion X10 -6/°C 7-12 7-12 10-14
Frost resistance Cykl 150 150 <100
Attenuation (flat 9,3 mm panel) dB 31,2 31,2 31,2
Tension
Breaking stress (UTS) MPa 8-11 4-7 1-5
Limit of proportionality (BOP) MPa 5-7 4-6 1-4
Bending
Breaking stress (MOR) MPa 20-30 10-14 3-6
Limit of proportionality (LOP) MPa 7-13 5-8 2-3
Young's modulus GPa 15-25 13-21 27-35
Shear
Shear MPa 8-11 4-7 3-5
Compressive strength MPa 50-80 40-60 15-60
Impact strenght kJ/m2 10-25 10-15 0,05
Modulus of elasticity GPa 10-20 10-20 20-40
Drying shrinkage % 0,6-1,2 0,1-0,2 0,8-1,8