A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Experimental Research on Static Behavior of Stiffened Square Concrete-Filled Steel Tubular Columns Subjected to Axial Load
Square concrete-filled steel tubes (CFSTs) are gaining increasing usage in modern construction practice, offering improved mechanical properties and increased material efficiency compared with the individual steel and core concrete components. However, the cross-section slenderness of the encasing steel is, although more inflexible than a comparable hollow steel tube, restrained due to local buckling. A number of innovative kinds of reinforcement stiffeners have been put forward particularly for the square CFSTs with slender sections of encasing steel. To investigate the mechanical effect of the reinforcement stiffeners and compare them with traditional ones in practice, four square CFSTs welded with various reinforcement stiffeners and one reference CFST have been tested, and are presented in this paper. The mechanical behaviors such as the resistance, ductility and failure mode investigated during the test were also studied in the theoretical research, which was carried out to predict and summarize the comprehensive properties of the specimens.
Experimental Research on Static Behavior of Stiffened Square Concrete-Filled Steel Tubular Columns Subjected to Axial Load
Square concrete-filled steel tubes (CFSTs) are gaining increasing usage in modern construction practice, offering improved mechanical properties and increased material efficiency compared with the individual steel and core concrete components. However, the cross-section slenderness of the encasing steel is, although more inflexible than a comparable hollow steel tube, restrained due to local buckling. A number of innovative kinds of reinforcement stiffeners have been put forward particularly for the square CFSTs with slender sections of encasing steel. To investigate the mechanical effect of the reinforcement stiffeners and compare them with traditional ones in practice, four square CFSTs welded with various reinforcement stiffeners and one reference CFST have been tested, and are presented in this paper. The mechanical behaviors such as the resistance, ductility and failure mode investigated during the test were also studied in the theoretical research, which was carried out to predict and summarize the comprehensive properties of the specimens.
Experimental Research on Static Behavior of Stiffened Square Concrete-Filled Steel Tubular Columns Subjected to Axial Load
Yang, Yuan-Long (author) / Zhang, Jing-Shu (author) / Wang, Yu-Yin (author)
2013
9 Seiten
Conference paper
English
| Trans Tech Publications | 2013
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