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

Table 9

Analysis of extreme differences in compressive strength of recycled brick powder foam concrete.

	Bubble volumes	Recycled brick powder volume	Water to material ratio	HPMC content
K1	5.06	4.16	3.00	2.77
K2	3.56	3.64	3.32	2.88
K3	2.55	2.86	3.70	3.11
K4	2.08	2.27	2.70	3.16
K5	1.83	2.14	2.36	3.17
Extreme difference value R	3.22	2.02	1.35	0.40
Rank	1	2	3	4