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

Table 2

Basic properties of cement.

Item	Index	Results	Judgement
Initial set time (min)	≥60	176	Qualified
Final set time (min)	≤600	310	Qualified
3d flexural strength (MPa)	≥3.5	4.2	Qualified
28d flexural strength (MPa)	≥6.5	7.1	Qualified
3d compressive strength (MPa)	≥17	22.3	Qualified
28d compressive strength (MPa)	≥42.5	48.2	Qualified