Full-range analysis on square CFST stub columns and beams under loading and chloride corrosion

• Presented analytical behavior of CFST members under loading and chloride corrosion.
• Conducted full-range analysis of CFST members under loading and chloride corrosion.
• Proposed strength calculation of CFST members under loading and chloride corrosion.

This paper presents a finite element analysis (FEA) on concrete filled steel tubular (CFST) members with square sections under both loading and chloride corrosion, the established FEA model was verified by the experimental results presented in the companion paper (Han et al., 2012) [1]. The FEA model was then used to perform mechanism analysis on the CFST stub columns and beams subjected to both loading and chloride corrosion. Full-range analysis on the load versus deformation relations was carried out. Finally, simplified methods for calculating the strength of CFST stub column and beam under long-term loading and corrosion were illustrated based on the parameter analysis.