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Open access
Sep 2026
Probabilistic Analysis of the Failure Time of Concrete-Filled Steel Tube (CFST) Columns under Post-Blast Fire Loading
This study examines the behavior and resistance of concrete-filled steel tube (CFST) columns under post-blast fire conditions, where prior explosions cause initial structural damage affecting fire performance. A blast equivalent to 20 kg TNT at a 1.5 m distance was simulated, followed by fire exposure. Seven numerical...
Alireza Afaghi-Darabi, M. Moradi, Sadegh Rezaei
· Civil Engineering Dimension · 0 citations
Open access
Sep 2026
Finite Element Modeling and Experimental Verification of CFRP-Confined CFST Columns Under Compression
This study develops and evaluates a three-dimensional nonlinear finite element (FE) framework for carbon fiber-reinforced polymer (CFRP)-confined concrete-filled steel tube (CFST) short columns subjected to concentric axial compression. The concrete core is represented using C3D8R solid elements, and the steel tube and...
Bzhar Muheddin Mohammed, Esra Mete Güneyisi
· Applied Sciences · 0 citations
Open access
Sep 2026
Flexural Performance of NSM-CFRP Strengthened Corroded RC Prisms under Freeze-Thaw and Wet-Dry Cycles
This study investigates the combined effects of corrosion level and environmental exposure on flexural behaviour of corroded reinforced concrete (RC) prisms repaired with self-compacted concrete (SCC) and strengthened with a near-surface-mounted (NSM) carbon fibre-reinforced polymer (CFRP) system. Two accelerated corro...
Zainab Abdul Sattar Ghali, Maan S. Hassan
· Engineering and Technology J... · 0 citations
Open access
Sep 2026
Effect of Transverse Reinforcement Configuration on Fire Resistance of Circular CFST Columns
The use of concrete-filled steel tubular (CFST) columns has grown increasingly in the construction industry. In the present study, the effects of the configuration of transverse rebars, either circular (CFSTC) or spiral (CFSTS), on the behavior of CFST columns under fire conditions were investigated. A finite element (...
Abbas Rezaeian, Mohammadreza Rabbani Nowruzani, Majid Khayat et al.
· Buildings · 0 citations
Open access
Aug 2026
Performance Optimization Strategy for Steel-Concrete Composite Structures: Post-Fire Load-Bearing Capacity and Deformation Control
Concrete-filled steel tube structures are widely used in industrial plants, large commercial buildings, infrastructure projects, antenna-supporting facilities, and electromagnetic-shielded spaces because of their strong mechanical performance and economic efficiency. Fire is a serious threat to structural safety. Under...
W.-W. Li, Wei-Kang Hou
· Advanced Electromagnetics · 0 citations
Open access
Sep 2026
Numerical Study on Fire Resistance of Square UHPC Filled Steel Tubular Slender Columns Under Axial Compression
The mechanical response mechanisms of square ultra high performance concrete filled steel tubular (UHPCFST) columns under elevated temperatures differ significantly from those of conventional concrete filled steel tubular (CFST) columns; however, related investigations remain scarce. In this study, a validated thermo-m...
Yi Jiang, Jing-Ya Wang, Ze-Yu Chang et al.
· Fire technology · 0 citations