Effects of Chemical Admixtures on the Working and Mechanical Properties of Ordinary Dry-Mixed Mortar

Table 3

Main properties of class II fly ash.

Performance index	National standard	Test results	Conclusion
Fineness (45 μm sieve) (%)	≤25	4.2	Qualified
Water content (%)	≤1.0	0.2	Qualified
Mobility ratio (%)	≤105	86	Qualified
Stability	–	–	Qualified