Figure 3 shows the cross-section of a square concrete-filled steel tubular (CFST) column. The thickness of the steel tube walls is 12 mm. The design compressive strength (f.) of concrete is 40 MPa. The yield strength (f,) of the steel tube is 310 MPa. Determine the axial load-moment strength interaction diagram of the cross-section of the CFST short column bending about its major principal x-axis of the cross-section. 400 + 12 -400- Figure 3. Cross-section of CFST column (Units: mm)

Structural Analysis
6th Edition
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Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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Figure 3 shows the cross-section of a square concrete-filled steel tubular (CFST) column. The
thickness of the steel tube walls is 12 mm. The design compressive strength (f.) of concrete is 40
MPa. The yield strength (f,) of the steel tube is 310 MPa. Determine the axial load-moment
strength interaction diagram of the cross-section of the CFST short column bending about its
major principal x-axis of the cross-section.
400
- 12
-400-
Figure 3. Cross-section of CFST column (Units: mm)
Transcribed Image Text:Figure 3 shows the cross-section of a square concrete-filled steel tubular (CFST) column. The thickness of the steel tube walls is 12 mm. The design compressive strength (f.) of concrete is 40 MPa. The yield strength (f,) of the steel tube is 310 MPa. Determine the axial load-moment strength interaction diagram of the cross-section of the CFST short column bending about its major principal x-axis of the cross-section. 400 - 12 -400- Figure 3. Cross-section of CFST column (Units: mm)
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