European Recommendations on the Stabilization of Steel ... - Xs4all

More documents

Recommendations

Info

Lateral restraint3.5.2 Uni-directionally spanning panelsThe restraining moment m i (x) (expression (41)) has its maximum m i,max at the ends of thebeam (x = 0, x = L).mi,max⎛ π ⎞= Fi⋅ ⎜ ⎟ ⋅ e0⎝ L ⎠1⋅Fi1−Si(43)The forces of the fastenings of the panel shall withstand the moment m i (x). So themoment m i (per unit length) is converted to the moment M S acting on one panel. For thepanels at the ends of the beam the moment M S is approximatelyMS ,max= mi,max⎛ π ⎞⋅ B = Fi⋅ ⎜ ⎟ ⋅ e0⎝ L ⎠1⋅Fi1−Si⋅ B(44)whereBwidth of the panelThe moment M S results in the shear forces V S M in the fastenings (Fig. 3.8). These forcesact in longitudinal direction of the panel. The highest forces arise in the outer fastenings of apanel. The force in the highest stressed fastenings isMMS ,maxVS ,max=2(45)ck∑c139
<strong>European</strong> <strong>Recommendations</strong> on the Stabilization of Steel Structures by Sandwich PanelsM S,maxV MS ,maxc⋅c31c 3c 2c 1V MS ,maxc⋅c21MVS, maxγFig. 3.8: Forces resulting in the moment M SFig. 3.9 shows a panel with the moments M S resulting from stabilization of thesupporting structure. At the end supports additional forces Q S in transverse direction arederived from moment equilibrium. If a constant distribution on the fastenings of thetransverse edge is assumed, for one fastening the force V Q in transverse direction ism ⋅ MQS ,maxVS, max=(46)L ⋅ nSfwheren f number of fasteners per panel and support40
Page 1 and 2: Publication 379W056 Sandwich Panels
Page 3 and 4: European R
Page 39: European R
Page 69 and 70: CIB CommissionsMembers can choose t
Page 71: CIB General SecretariatKruisplein 2

European Recommendations on the Stabilization of Steel ... - Xs4all

Create successful ePaper yourself

Delete template?

Save as template?