Temperature Effect on the Thermal Conductivity of Expanded Polystyrene Foamed Concrete: Experimental Investigation and Model Correction

Table 6

Empirical correlations of thermal conductivity and temperature (T).

EPS volume fraction (%)	λ = a(T^2) + bT + c	R^2
0	λ0 = −0.000008T^2 + 0.0008T + 0.071	R^2 = 0.995
5	λ5 = −0.00001T^2 + 0.001T + 0.0749	R^2 = 0.995
20	λ20 = −0.000001T^2 + 0.0009T + 0.0659	R^2 = 0.998
55	λ55 = −0.000009T^2 + 0.0007T + 0.0625	R^2 = 0.987