Axial Compression Behavior of Recycled Concrete Filled Steel Tubular Short Columns after High Temperature

Table 2

Content of each component and measured strength of recycled concrete.

Substitutionrate (%)	Concrete material consumption (kg/m^3)				Cube compressive strength of specimen (MPa)
	Cement	Recycled coarseaggregate	Fineaggregate	Water (kg/m^3)	Test piece 1	Test piece 2	Test piece 3	Average value
100	550	1221	575	154	59.87	25.81	37.07	38.25