Summarized account of creep in concrete-filled steel tubular members

Considering the specialty in the long-term behavior of Concrete-filled steel tubular (CFST) members, the experimental and theoretical results by researchers from home and abroad were introduced. The basic calculation theories and methods for the concrete creep were compared. Researching results show that the initial creep developed relatively rapidly, while the secondary creep leveled off gradually. Compared with the reinforced concrete members, the creep values in CFST ones are relatively low but the duration is longer. Creep has a considerable influence on the deformation of the CFST member and on the inner force redistribution between the steel tube and core concrete, which should be considered in engineering design.