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

Table 7

Orthogonal test results of recycled brick powder foam concrete.

Group number	Dry density (kg/m^3)	28 d compressive strength (MPa)	Specific strength (N·m·kg^−1)	Group number	Dry density (kg/m^3)	28 d compressive strength (MPa	Specific strength (N·m·kg^−1)
1	1171.10	6.07	5185.30	14	710.85	0.84	1186.89
2	1210.25	5.80	4792.61	15	838.75	2.37	2830.70
3	988.00	5.76	5833.35	16	806.80	2.11	2621.41
4	1072.75	4.55	4241.30	17	952.50	2.82	2955.64
5	1039.45	3.09	2975.81	18	857.60	2.47	2882.64
6	997.15	5.17	5183.17	19	647.65	1.74	2686.56
7	854.25	4.23	4947.38	20	889.40	1.25	1404.43
8	680.85	3.11	4570.76	21	769.50	2.15	2794.67
9	937.55	2.26	2410.22	22	975.85	2.58	2645.59
10	1071.20	3.04	2838.83	23	851.15	1.51	1777.36
11	988.20	5.31	5369.92	24	675.20	1.96	2901.14
12	1008.45	2.76	2736.92	25	786.60	0.96	1226.04
13	721.45	1.46	2020.72