Finite element analysis of square concrete-filled steel tube (CFST) columns under axial compressive load
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DOI: 10.1016/j.engstruct.2017.11.055
Abstract: Abstract The confinement provided in concrete-filled steel tube (CFST) columns can significantly increase the strength and ductility of the concrete columns. However, in non-circular CSFT, the confining stresses are non-uniform and anisotropic, making their incorporation… read more here.
Keywords: steel tube; steel; concrete; cfst columns ... See more keywords
Seismic behavior of shear walls with boundary CFST columns and embedded multiple steel plates: Experimental investigation
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DOI: 10.1016/j.engstruct.2018.01.040
Abstract: Abstract In this study, an innovative composite shear wall, comprised of boundary Concrete Filled Steel Tubular (CFST) columns, and Reinforced Concrete (RC) walls embedded with multiple steel plates has been developed. Seven specimens were investigated… read more here.
Keywords: steel plates; multiple steel; cfst columns; shear walls ... See more keywords
Experimental performance of concrete-encased CFST columns subjected to full-range fire including heating and cooling
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DOI: 10.1016/j.engstruct.2018.03.042
Abstract: Abstract Concrete-encased CFST (concrete-filled steel tube) columns are gaining popularity in constructions especially in high-rise buildings and large-span structures. This type of composite column features an inner CFST component and an outer reinforced concrete component.… read more here.
Keywords: concrete; encased cfst; cfst columns; concrete encased ... See more keywords
Behavior of hexagonal multicell CFST columns under lateral cyclic loads: Experimental study
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DOI: 10.1016/j.engstruct.2020.111700
Abstract: Abstract Multicell concrete-filled steel tubulars (MCFSTs) have been widely utilized in super-high-rise buildings. Hexagonal six-cell CFST columns have received attention from scholars, and a series of investigations have been conducted. However, investigations on their behavior… read more here.
Keywords: loading directions; experimental study; cyclic loads; lateral cyclic ... See more keywords
Pre- and post-heating behavior of concrete-filled steel tube stub columns containing steel fiber and tire rubber
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DOI: 10.1016/j.istruc.2020.07.034
Abstract: Abstract Concrete-filled steel tube (CFST) columns are increasingly used in different structures owing to their excellent load carrying capacity provided by the interaction between the concrete core and steel tube. However, there is lack of… read more here.
Keywords: columns; cfst columns; steel tube; steel ... See more keywords
Behaviour of bolted endplate composite joints to square and circular CFST columns
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DOI: 10.1016/j.jcsr.2016.12.022
Abstract: Abstract This paper presents the results of an experimental study on the structural performance of blind bolted endplate composite connections to concrete filled steel tubular (CFST) columns under static loading. Four full-scale sub-assemblages of cruciform… read more here.
Keywords: endplate composite; column; composite joints; cfst columns ... See more keywords
Numerical investigation on compressive performance of CFST columns with encased built-up lattice-angles
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DOI: 10.1016/j.jcsr.2017.06.015
Abstract: Abstract This paper presents a numerical investigation on the compressive behaviour of thin-walled concrete-filled steel tube (CFST) columns with encased built-up latticed angles. The additional confinement provided by encased angles was considered in the finite… read more here.
Keywords: columns encased; investigation compressive; cfst columns; numerical investigation ... See more keywords
Reliability considerations of modern design codes for CFST columns
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DOI: 10.1016/j.jcsr.2020.106482
Abstract: Abstract Concrete filled steel tubular (CFST) columns have been increasingly used in tall buildings and bridges due to offering excellent structural and economic benefits. Current design codes for such columns exhibit certain limits in terms… read more here.
Keywords: code; design codes; reliability considerations; cfst columns ... See more keywords
Evaluating structural response of concrete-filled steel tubular columns through machine learning
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DOI: 10.1016/j.jobe.2020.101888
Abstract: Abstract Concrete-filled steel tubular (CFST) columns are unique structural members that capitalize on the synergy between steel and concrete materials. Due to complexities arising from the interaction between steel tube and concrete filling, the analysis… read more here.
Keywords: concrete filled; filled steel; steel tubular; cfst columns ... See more keywords
An analysis-based model for axially loaded circular CFST columns
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DOI: 10.1016/j.tws.2017.07.024
Abstract: Concrete-filled-steel-tube (CFST) columns have been increasingly adopted in many modern structures due to the beneficial composite action between steel tube and core concrete. Previous experimental and theoretical studies have proved this composite action can be… read more here.
Keywords: strength; steel; model; cfst columns ... See more keywords
Nonlinear post-fire simulation of concentrically loaded rectangular thin-walled concrete-filled steel tubular short columns accounting for progressive local buckling
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DOI: 10.1016/j.tws.2019.106423
Abstract: Abstract The repair of fire-damaged thin-walled rectangular concrete-filled steel tubular (CFST) columns in engineering structures after fire exposure requires the assessment of their residual strength and stiffness. Existing numerical models have not accounted for the… read more here.
Keywords: post fire; thin walled; post; cfst columns ... See more keywords