Transverse stability is tie bar : cross bracing planes between each pair of parallel pylon branches portal frame. croissant top serves as the top of the portal must always in tension especially under transverse loads. croissant croissants are 47.5 long vary to to the croissant stiff in the vertical plane flexible out of plane to parasitic temperature effects with the nappe in the longitudinal direction. top chord is naturally in tension other uniform downward loads. It tends to sensitive to load cases of perpendicular to the Also the will tend to buckle. prevent out of plane buckling the extremities of the croissant are braced back to the stiff plane.

doi:10.1201/9781482271355-27

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Chapter

cross bracing planes between each pair of parallel pylon branches portal frame. croissant top serves as the top of the portal must always in tension especially under transverse loads. croissant croissants are 47.5 long vary to to the croissant stiff in the vertical plane flexible out of plane to parasitic temperature effects with the nappe in the longitudinal direction. top chord is naturally in tension other uniform downward loads. It tends to sensitive to load cases of perpendicular to the Also the will tend to buckle. prevent out of plane buckling the extremities of the croissant are braced back to the stiff plane.

ABSTRACT

Transverse stability is achieved by cross bracing planes between each pair of parallel pylon branches forming a portal frame. The croissant top tie bar serves as the top member of the portal and must always remain in tension especially under transverse wind loads.