Study on Mechanical Behavior of Fully Encased Composite Slender Columns with High-Strength Concrete Using FEM Simulation

Table 7

Specimens for effects of tie bar spacing (s).

Column type	Column ID	D × B × L (m)	F ck (MPa)	S (mm)	Column ID	Column type
FECC-C	CSHC1s1	0.3 × 0.25 × 9	90	100	ISHC1s1	FECC-I
	CSHC1s2			150	ISHC1s2
	CSHC1s3			50	ISHC1s3
	CSHC2s1	0.3 × 0.25 × 9	100	100	ISHC2s1
	CSHC2s2			150	ISHC2s2
	CSHC2s3			50	ISHC2s3
	CSHC3s1	0.3 × 0.25 × 9	120	100	ISHC2s1
	CSHC3s2			150	ISHC2s2
	CSHC3s3			50	ISHC2s3
FECC-R	RSHC1s1	0.3 × 0.25 × 9	90
	RSHC1s2
	RSHC1s3
	RSHC2s1	0.3 × 0.25 × 9	100
	RSHC2s2
	RSHC2s3
	RSHC3s1	0.3 × 0.25 × 9	120
	RSHC3s2
	RSHC3s3