Influence of Bottom Ash Replacements as Fine Aggregate on the Property of Cellular Concrete with Various Foam Contents

Table 5

The input variables used in nonlinear regression models.

Input variables	Minimum	Maximum
Cement (by volume),	0.062	0.175
Sand (by volume),	0	0.215
Water (by volume),	0.126	0.343
Foam content (by volume),	0.3	0.7
Bottom ash (by volume),	0	0.215
Age (day),	7	28