Numerical FE Modeling and Design Methods of CCES Columns with Normal-Weight Crushed Dolomite Coarse Aggregate Fully Embedded IPE Steel-Section

International Journal of Concrete Structures and Materials

Table 1 Properties of tested CCES column

Specimen no.	Concrete dimensions b × a × L (mm³)	f_cu (MPa)	Main RFT. (long. bars)	Ties ϕ6@S	Shear connectors (SCs)	IPE-shaped steel section	IPE steel section ratio \(\rho\) _a(%)	Reinforcement ratio \(\rho\)_rs(%)	Area of concrete A_{c (net)} mm²	Area of RFT A_sc mm²	Area of steel sec A_ss mm²
Specimen #1	120 × 160 × 800	40	4Ø10	ϕ6@200	Connector ǿ8@200	IPE.No.8	3.98	1.64	18436	314.16	764
Specimen #2	120 × 160 × 800	40	4Ø10	ϕ6@200	Connector ǿ8@100	IPE.No.8	3.98	1.64	18436	314.16	764
Specimen #3	120 × 160 × 800	40	4Ø10	ϕ6@200	Connector ǿ10@200	IPE.No.8	3.98	1.64	18436	314.16	764
Specimen #4	120 × 160 × 800	40	4Ø10	ϕ6@200	Connector ǿ10@100	IPE.No.8	3.98	1.64	18436	314.16	764