Effects of Water on Pore Structure and Thermal Conductivity of Fly Ash-Based Foam Geopolymers

Table 4

The total porosity and experimental and calculated thermal conductivity of foamed geopolymers.

W/S	Total porosity (%)	ΔPorosity (%)	Thermal conductivity (W (m·K))	Thermal conductivity calculated by equation (7)
0.38	88.94	0	0.0594	0.0594
0.41	89.86	1	0.0572	0.059
0.44	90.65	1.70	0.0548	0.0587
0.47	91.15	2.20	0.0529	0.0585
0.50	91.94	3	0.0485	0.0581