Strength Mechanism and Influence Factors for Cold Recycled Asphalt Mixture

Table 4

Basic properties of cement.

Indexes	Testing value	Specification
Initial setting time/min	147	≥45
Final setting time/min	326	≤600
Compressive strength/MPa
3 d	13.2	≥11.0
28 d	33.8	≥32.5
Flexural strength/MPa
3 d	3.9	≥2.5
28 d	6.2	≥5.5