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

Table 4

Characteristics of air pores of the test specimens.

Specimens	Mean diameter (μm)	Average value of roundness
500-0.40	208.0	1.46
500-0.45	216.3	1.41
500-0.50	217.7	1.37
500-0.55	228.1	1.31
500-0.60	256.1	1.30
800-0.40	192.5	1.40
800-0.45	197.6	1.38
800-0.50	217.0	1.36
800-0.55	226.3	1.30
800-0.60	245.6	1.28