Table 4.

Physical and mechanical properties of aerated concrete and their change depending on the time of preliminary hydration of the binder.

Num	Pre-Hydration Time, Min	Average Density ρav, kg/m3	Decrease in Average Density Δρav, %	Compressive Strength Rb, MPa	Reduction in Compressive Strength ΔRb, %	Coefficient of Thermal Conductivity λ, W/m·K	Reduction of the Coefficient of Thermal Conductivity Δλ, %	CSQ, MPa/kg × m3 × 10−3
1C	-	695	0	4.98	0	0.154	0	7.2
2C	10	630	9.4	4.50	9.6	0.145	5.8	7.1
3C	15	564	18.8	4.09	17.9	0.130	15.6	7.3
4C	20	497	28.5	3.84	22.9	0.115	25.3	7.7
5C	30	508	26.9	3.87	22.3	0.106	31.1	7.6
6C	40	548	21.2	3.95	20.7	0.113	26.6	7.2
7C	50	569	18.1	4,01	19.5	0.124	19.5	7.0
8C	60	613	11.8	4.16	16.5	0.151	1.9	6.8