Research Article

Understandings on the Performance of Concrete-Filled Steel Tube with Different Kinds of Concrete Infill

Table 9

Comparison of test results with predicted EC4 values.

Specimen IDExperimental axial load at failure, PE (kN)Analytical axial load at failure, PEC4 (kN)(%) Difference

CCFST25622016.26
SCFST28422725.17
GCFST30223130.85
ECFST33123441.33