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)

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

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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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)

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