Calculation of the Effective Cross-Sectional Properties of a Load-Bearing Member from a С-shaped Cold-Formed Profile under Axial Compression
Task: Verify the correctness of the calculation of the effective cross-sectional properties for load-bearing members from cold-formed profiles under axial compression.
Source: [1] Worked examples according to EN 1993-1-3, Eurocode 3, Part 1-3 // ECCS TC7 TWG 7.5 Practical Improvement of Design Procedure. – 1st Ed., ECCS CECM, EKS, 2008. – 235 p.
Compliance with the codes: EN 1993-1-3.
Initial data file:
Task 2.1.sav; report – Report 2.1.doc
Program version: MAGNUM 23.1.1.3, 07.02.2024
Initial data:
| fy = 355 N/mm2 | Yield strength |
| h = 102 mm | Section height (along the outer edge) |
| b = 120 mm | Flange width (along the outer edge) |
| c = 26 mm | Flange bend length (along the outer edge) |
| t = 2 mm | Profile thickness (minus the coating thickness) |
| r = 10 mm | Fillet radius (inner) |
Results in MAGNUM:
Steel: S355
Section
|
h = 102 mm |
Comparison of solutions
|
Geometric property |
[1], p. 154 |
MAGNUM, EN1993-1-1 |
% |
|---|---|---|---|
|
Gross cross-sectional area, cm2 |
4,67 |
4,609 |
1.3 |
|
Moment of inertia about the y-y axis, cm4 |
87,24 |
86,266 |
1.12 |
|
Moment of inertia about the z-z axis, cm 4 |
94,80 |
94,18 |
0.65 |