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Collaborative working mechanism and theoretical model of latticed CFST . . . This paper aims to investigate the collaborative working mechanism of the concrete-filled steel tube (CFST) column and steel-shear-links for the composite energy dissipation pier by applying a spring-fiber beam hybrid numerical modeling method, and clarify the influences of different dimensions and design parameters on the seismic performance
Theory of Concrete-Filled Steel Tubular Structures It deals with the mechanical essence of concrete-filled steel tubular members in compression tension, bending, torsion, shear and the combined effects, the working mechanism of concrete-filled steel tubular members under long-term load, cyclic load, fire exposure and post-fire exposure, and proposes practical design methods based on
Working Mechanism of OATSCB-CFST Joint | Atlantis Press In order to analyze the working mechanism of outer annular-stiffener type steel castellated beam-concrete filled steel tube (OATSCB-CFST) joint, load-bearing process of this type of middle column joints under low cycle load are simulated by finite element software
Interfacial Bond Performance of Concrete . . . - Wiley Online Library Shear connectors can significantly improve the bonding performance of CFSTs and effectively reduce the relative slip between steel tubes and concrete The paper concludes with an analysis of the deficiencies in bond-slip research on the bonding properties of the CFST interface during and after fire exposure and future research directions
Concrete Filled Steel Tubular (CFST) Columns in Composite Structures There are two types of composite columns generally used in buildings, steel section encased in concrete and steel section in-filled with concrete A concrete filled steel tubular (CFST) structure consists of steel tube of square, rectangular or circular cross-section filled with plain or reinforced concrete
Developments and advanced applications of concrete-filled steel tubular . . . Concrete-filled steel tubular (CFST) structure offers numerous structural benefits, and has been widely used in civil engineering structures This paper reviews the development of the family of concrete-filled steel tubular structures to date and draws a research framework on CFST members
Research on bias stress characteristics and influencing factors of . . . Yuan, Huang, and Chen (2019) analyzed the working mechanism of stiffened thin-walled CFST short columns under eccentric loading through experiments and finite element analysis, and obtained the optimal thickness-to-height ratio of the stiffening ribs through parameter analysis