
Concrete-encased CFST members with circular sections under laterally low velocity impact: Analytical behaviour
Keywords: A; cross-sectional area of composite section (=ÏD2/4); Acore; cross-sectional area of core concrete of CFST; Al; cross-sectional area of longitudinal bars; As; cross-sectional area of steel tube of CFST; Asc; cross-sectional area of CFST (=Acoreâ¯+â¯As