Effect of Water-Cement Ratio on Pore Structure and Strength of Foam Concrete

Figure 3

SEM images of the 800 kg/m³ foam concrete of different w/c ratios.

(a) 800-0.40 × 35

(b) 800-0.45 × 35

(c) 800-0.50 × 35

(d) 800-0.55 × 35

(e) 800-0.60 × 35