Effect of Hybrid Steel-Basalt Fiber on Behaviors of Manufactured Sand RPC and Fiber Content Optimization Using Center Composite Design

Table 3

Chemical properties of fly ash.

Properties		Standard value	Actual value
Chemical properties	Water demand ratio (%)	≤95	91
	Loss on ignition (%)	≤5.0	2.8
	Moisture content (%)	≤1.0	0.1
	SO3 (%)	≤3.0	2.0
	CaO3 (%)	≤1.0	0.16
	MgO (%)	≤5.0	1.08
	Cl^− (%)	≤0.02	0.01