Experimental Investigation of Neutralisation of Concrete with Fly Ash as Fine Aggregate in Freeze-Thaw Environment

Table 1

P.O 42.5R ordinary cement indexes.

Cement setting time (min)		Rupture strength (MPa)		Compressive strength (MPa)		Fineness (retained in 80 μm) (%)	Ignition loss (%)	MgO (%)	SO3 (%)
Initial time	Final time	3 d	28 d	3 d	28 d
113	153	4.7	4.8	23.1	43.6	1.6	1.4	1.54	2.96