Compression Behavior of Confined Columns with High-Volume Fly Ash Concrete

Table 1

Chemical proportion for OPC and FA.

Types	Items
	Chemical composition [%]							Physical properties
	SiO2	Al2O3	Fe2O3	CaO	MgO	SO3	Ig. loss	Specific gravity	Blaine
NPC	21.96	5.27	3.44	63.41	2.13	1.96	0.79	3.16	3,214
FA	55.66	27.76	7.04	2.70	1.14	0.49	4.3	2.19	3,621