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

Table 8

Orthogonal test results of ordinary 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	743.55	2.290	3079.82	14	591.6	1.182	1997.97
2	722.38	2.229	3085.63	15	590.3	1.014	1717.77
3	707.6	1.998	2823.63	16	644.1	1.734	2692.13
4	714.9	2.012	2814.38	17	628.7	1.548	2462.22
5	639.4	1.668	2608.70	18	584.1	0.949	1624.72
6	536.0	0.880	1641.79	19	599.7	1.212	2021.01
7	735.2	2.109	2868.61	20	550.3	0.919	1670.00
8	797.1	2.408	3020.95	21	608.4	1.229	2020.05
9	648.6	0.853	1315.14	22	500.1	0.875	1749.65
10	567.4	0.830	1462.81	23	672.7	1.462	2173.33
11	713.8	1.657	2321.38	24	592.8	1.073	1810.05
12	638.2	1.471	2304.92	25	567.4	0.951	1676.07
13	615.9	1.631	2648.16