Question

Ibe.telescopic cylinders of the transport elations in the laureace hallow square and bollow cicle section. The largest operibe.loaded during operation ist # 2560 mm Cococobles with broadbacio Gross sections oberoximately caual to each other a 80 mm, t25 mm foc sowate section and Du 73mm, td = 3.7 mm forsicular section. The difference of buckling.deeds of these platforms made of the same material/"buckova.kond of squate scoss section buckling.load of circular cross section"). Calculate (ebl - Chod) as Newton the.cesult of the transaction should be given by calculation with, ABSOLUTE (Chk. Ebel) cookies Elastis codulus = 221046 N/mm2 Note: The.long bar will be accepted. P#3 will be takeo I Fmaxk Fmax d a L D L a a Teleskobik silindir Teleskobik silindir

Answer 1

are LE2500 mm Given! The teie scopic cylinder of the townsport poti form in the figure below hollow squre and hollow circle section Given a = 80 mm, t= 3.5 mm for Square cross section. b = 7.3mm, ta = 37mm for circular cross section. Elastic 221046 NIMA? The different of buckling loads of these plate form modulu, E = buckling loads in cross-section square Franh = MEI 날 ( here are end is fixed and other is free hence equivalence length, Lega - 2L (a-2t) mark - Tx 221046x4 and I (G- O 12 12 16-29 (24)² Fmank 809 = 72x2210464 (2x25062 (80-242.5) 12 cross-section Fmanka 67.71 KN buckling lood in cirular cross-section- here also one end fixed and other is Froond TIPEI - اعا free and hence legs = 2L I = Fmand = T²E 6 (09-0-2t)) (04-09-26939] Farmand = *42.21046 * 1739- (23-243 3}')) 64 (21) (2x2560) 2 Fmand = 42.32 KN Hence difference of buckling load of these plate form, 2p= Frank Finand 67.71 - 42.32 = 25.4KN Hence for same cross section area square cross section having higher loce