Mechanical Behavior of Reactive Powder Concrete-Filled Steel Tube Columns: A State-of-the-Art Review

DOI

10.2991/978-94-6239-740-8_12How to use a DOI?

Keywords

Reactive Powder Concrete-Filled Steel Tube Columns; Composite Columns; Axial Compression Performance; Confinement Effect

Abstract

Reactive Powder Concrete-Filled Steel Tube (RPCFST) columns combine high bearing capacity, good ductility, and excellent durability, and have attracted increasing attention in high-rise buildings, bridges, and structures exposed to severe service conditions. This paper reviews recent research on the mechanical behavior of RPCFST columns, with emphasis on the effects of steel tube diameter, wall thickness, internal reinforcement, and RPC strength on axial compressive capacity, ductility, local buckling, composite action, and failure modes. The influences of eccentric compression, elevated temperature, and interfacial bond behavior are also summarized based on available experimental, numerical, and theoretical studies. Existing research shows that RPCFST columns can effectively utilize the confinement of the steel tube and the high strength of RPC, thereby alleviating the brittleness of the core material and improving the overall structural response. However, current studies still have limitations in terms of large-scale members, long-term performance, complex loading conditions, interfacial mechanisms, and practical design methods. Future work should further address these issues to support the broader engineering application of RPCFST columns.

Copyright

© 2026 The Author(s)

Open Access

Open Access This chapter is licensed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/), which permits any noncommercial use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license and indicate if changes were made.

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TY  - CONF
AU  - Zhiyu Qiao
PY  - 2026
DA  - 2026/08/14
TI  - Mechanical Behavior of Reactive Powder Concrete-Filled Steel Tube Columns: A State-of-the-Art Review
BT  - Proceedings of the 2026 9th International Symposium on Traffic Transportation and Civil Architecture (ISTTCA 2026)
PB  - Atlantis Press
SP  - 126
EP  - 135
SN  - 2589-4943
UR  - https://doi.org/10.2991/978-94-6239-740-8_12
DO  - 10.2991/978-94-6239-740-8_12
ID  - Qiao2026
ER  -