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A platform for research: civil engineering, architecture and urbanism
Tests on elliptical concrete filled steel tubular (CFST) beams and columns
Abstract This paper presents a series of test results of elliptical concrete filled steel tubular (CFST) beams and columns to explore their performance under bending and compression. A total of twenty-six specimens were tested, including eight beams under pure bending and eighteen columns under the combination of bending and compression. The main parameters were the shear span to depth ratio for beams, the slenderness ratio and the load eccentricity for columns. The test results showed that the CFST beams and columns with elliptical sections behaved in ductile manners and were similar to the CFST members with circular sections. Finally, simplified models for predicting the bending strength, the initial and serviceability-level section bending stiffness of the elliptical CFST beams, as well as the axial and eccentric compressive strength of the composite columns were discussed.
Highlights Tests on elliptical CFST beams and columns under bending and compression Behaviour of elliptical CFST beams and columns under different parameters Calculation for the bearing capacity of elliptical CFST beams and columns
Tests on elliptical concrete filled steel tubular (CFST) beams and columns
Abstract This paper presents a series of test results of elliptical concrete filled steel tubular (CFST) beams and columns to explore their performance under bending and compression. A total of twenty-six specimens were tested, including eight beams under pure bending and eighteen columns under the combination of bending and compression. The main parameters were the shear span to depth ratio for beams, the slenderness ratio and the load eccentricity for columns. The test results showed that the CFST beams and columns with elliptical sections behaved in ductile manners and were similar to the CFST members with circular sections. Finally, simplified models for predicting the bending strength, the initial and serviceability-level section bending stiffness of the elliptical CFST beams, as well as the axial and eccentric compressive strength of the composite columns were discussed.
Highlights Tests on elliptical CFST beams and columns under bending and compression Behaviour of elliptical CFST beams and columns under different parameters Calculation for the bearing capacity of elliptical CFST beams and columns
Tests on elliptical concrete filled steel tubular (CFST) beams and columns
Ren, Qing-Xin (author) / Han, Lin-Hai (author) / Lam, Dennis (author) / Li, Wei (author)
Journal of Constructional Steel Research ; 99 ; 149-160
2014-03-31
12 pages
Article (Journal)
Electronic Resource
English
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