Performance study of precast reinforced concrete shear walls with steel columns containing friction-bearing devices
Sign Up to like & getrecommendations! Published in 2021 at "Archives of Civil and Mechanical Engineering"
DOI: 10.1007/s43452-021-00261-z
Abstract: A novel structural system based on precast reinforced concrete (RC) shear wall panels mutually connected vertically using T-connectors and horizontally using friction-bearing devices (FBDs) mounted on interposed steel columns was recently proposed. To investigate the… read more here.
Keywords: precast reinforced; concrete shear; bearing devices; friction bearing ... See more keywords
Steel columns strengthened/reinforced by prestressed CFRP strips: Concepts and behaviors under axial compressive loads
Sign Up to like & getrecommendations! Published in 2019 at "Composite Structures"
DOI: 10.1016/j.compstruct.2019.03.038
Abstract: Abstract A novel strengthening method using prestressed (PS) carbon fiber reinforced polymer (CFRP) strips was proposed. This method can be used for repairing existing steel columns or constructing new columns for high-rise buildings, power transmission… read more here.
Keywords: steel; system; cfrp strips; columns strengthened ... See more keywords
Fire behavior and design of steel columns reinforced by prestressed CFRP strips
Sign Up to like & getrecommendations! Published in 2021 at "Composite Structures"
DOI: 10.1016/j.compstruct.2021.114516
Abstract: Abstract This study analyzes the behavior of steel columns reinforced by prestressed (PS) carbon fiber reinforced polymer (CFRP) strips exposed to fire. First, tests are performed to study the CFRP material degradation under high temperatures.… read more here.
Keywords: steel; cfrp; reinforced prestressed; fire ... See more keywords
Numerical damage evaluation of perforated steel columns subjected to blast loading
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DOI: 10.1016/j.dt.2021.03.019
Abstract: Abstract The structural performance of perforated steel columns (PSCs) is significantly more complex than the one of solid web I-shaped elements under the diversity of blast loading scenarios. The damage criterion of PSCs is not… read more here.
Keywords: steel; damage; toughness; perforated steel ... See more keywords
Creep effect on critical strength of high-strength steel columns exposed to fire
Sign Up to like & getrecommendations! Published in 2020 at "Engineering Structures"
DOI: 10.1016/j.engstruct.2020.110971
Abstract: Abstract Under fire conditions, the fire resistance of steel columns may be critically affected by steel creep. However, in the current codes of practice, creep effect has not been explicitly considered in determination of the… read more here.
Keywords: creep effect; strength; high strength; steel columns ... See more keywords
A preventive strengthening method for steel columns: Experimental study and numerical analyses
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Constructional Steel Research"
DOI: 10.1016/j.jcsr.2017.07.019
Abstract: Abstract Techniques for structural repair and maintenance are becoming increasingly important because of increasing problems associated with aging structures. This paper introduces a method for strengthening aged steel columns by using new construction materials such… read more here.
Keywords: columns experimental; study; strengthening method; steel columns ... See more keywords
Numerical investigation into high strength Q690 steel columns of welded H-sections under combined compression and bending
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Constructional Steel Research"
DOI: 10.1016/j.jcsr.2018.01.008
Abstract: Abstract In conjunction with the experimental investigation described in the paper [1], a numerical modeling programme has been carried out to investigate further the structural behaviour of high strength Q690 steel columns of welded H-sections… read more here.
Keywords: q690 steel; columns welded; welded sections; combined compression ... See more keywords
Optimizing the coupling ratio of seismic resistant HCW systems with shear links
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Constructional Steel Research"
DOI: 10.1016/j.jcsr.2018.04.026
Abstract: Abstract This paper investigates through nonlinear static and dynamic analyses the behaviour of a newly introduced steel and concrete hybrid coupled wall (HCW) system made by a single reinforced concrete (RC) wall coupled to steel… read more here.
Keywords: seismic resistant; wall; hcw; steel columns ... See more keywords
Behaviour of restrained high strength steel columns at elevated temperature
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Constructional Steel Research"
DOI: 10.1016/j.jcsr.2018.05.022
Abstract: Abstract High strength steel has been widely used in various types of structures due to its merits of high strength and good ductility. However, high strength steel structures are vulnerable to fire hazards as the… read more here.
Keywords: strength; high strength; temperature; steel columns ... See more keywords
Creep buckling of high strength Q460 steel columns at elevated temperatures
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Constructional Steel Research"
DOI: 10.1016/j.jcsr.2019.03.003
Abstract: Abstract When it is subjected to a fire, creep strain developed in a steel column can significantly influence the behaviour of the column. As the result, the column deformation will be increased and the strength… read more here.
Keywords: steel; strength; steel columns; creep buckling ... See more keywords
Effort and bearing capacity testing of laterally restrained asymmetrical stepped steel I-columns
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Constructional Steel Research"
DOI: 10.1016/j.jcsr.2020.106181
Abstract: Abstract This paper presents extensive experimental investigations of models of I-shaped steel columns with segmentally prismatically variable stiffness. The models are discretely braced with lateral restraints along their length. With regard to the geometry of… read more here.
Keywords: bearing capacity; capacity testing; effort bearing; test series ... See more keywords