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Trapezoidal sheeting as a protection against instability

Trapezoidal sheeting as a protection against instability

Trapezoidal sheeting as a protection against instability

(OP)
Hi, I would like to discuss the verification of the stability of truss when the top bar is secured with trapezoidal steel sheet.
Verification methods are, for example, in EuroCode 3 1-3 and ECCS TC7 TWG 7.5.
Has anyone had contact with this issue and has a computational example?

Best regards!

RE: Trapezoidal sheeting as a protection against instability

I normally use these verifications to check the effectiveness of the LTB restraint for simply supported steel composite beams in the construction phase, prior to concrete hardening.

Please check the following references regarding the stabilizing action of steel decking to the top flanges of steel beams:
- SCI P360 - section 3.12 and example 4 in Appendix A (found at the following link: http://www.steelconstruction.info/index.php?title=...)
- EN1993-1-1 BB.2.1(1)
- EN1993-1-3 10.1.1(10)

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