Research and Model Prediction on the Performance of Recycled Brick Powder Foam Concrete

Table 6

Orthogonal test factor level of experimental group.

Level	Factor
	Bubble volumes (A) (%)	Recycled brick powder volume (B) (%)	Water to material ratio (C) (%)	HPMC content (D)
1	3	10	0.45	0.03
2	4	20	0.5	0.04
3	5	30	0.55	0.05
4	6	40	0.6	0.06
5	7	50	0.65	0.07