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

Table 3

Specific parameters of each specimen in the literature.

Data sources	Test piece	D/(mm)	t/(mm)	L/(mm)	R/(%)	T/(°C)	f y/(MPa)	f cu/(MPa)	N ue/(kN)	N 1/(kN)	N 1 /N ue
Literature [13]	S1-20	120	6	360	50	20	176.5	53.3	856.44	875.61	1.022
	S1-300	120	6	360	50	300	176.5	53.3	815.95	873.45	1.070
	S1-600	120	6	360	50	600	176.5	53.3	571.32	585.06	1.024