A lot of research on this subject from Yura. Don't forget that it is not only a strength requirement for the stability point but the member providing the stability has to have a certain minimum stiffness.
Paul.
Phoenix, AZ
On 10/4/07, Jim Lutz <Jim.Lutz@bhcconsultants.com> wrote:
See the steel specification, ANSI/AISC 360-05, Appendix 6 Stability Bracing for Columns and Beams, for brace strength requirements for different member types.