Research Article

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

Figure 2

SEM images of the 500 kg/m3 foam concrete of different w/c ratios.
(a) 500-0.40 × 35
(b) 500-0.45 × 35
(c) 500-0.50 × 35
(d) 500-0.55 × 35
(e) 500-0.60 × 35