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- W2385852679 abstract "To study the effects of rib type,thickness of tube,strength of steel and concrete on the mechanical behavior of concrete-filled square cold-formed thin-walled steel tube columns,nonlinear finite element(FE) analysis on the square cold-formed thin-walled CFT columns was carried out by using ABAQUS software.The mechanical behaviour of square cold-formed thin-walled CFT columns with four different cross-section was analyzed under axial compression.The results of finite element analysis show good agreement with that of the experiments.It was concluded that ribs in the tubular can largely improve the axial compressive capacities of cold-formed thin-walled CFT columns.Compared with CFT columns without ribs,the axial compressive capacities of the columns with four ribs and with crossed ribs increase by 18.7%~39.9% and increase by 9.4%~14.8% respectively,but for hollow section steel tuber columns,the value reduce by 65.3%~89.7%.Strength of concrete and thickness of tube also affect the axial compressive capabilities of square CFT columns." @default.
- W2385852679 created "2016-06-24" @default.
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- W2385852679 date "2008-01-01" @default.
- W2385852679 modified "2023-09-24" @default.
- W2385852679 title "Nonlinear Finite Element Analysis of Concrete-filled Square Cold-formed Thin-walled Steel Tubular Columns" @default.
- W2385852679 hasPublicationYear "2008" @default.
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