Rigid beam ABC is supported by a pinned connection at C and by an inclined strut that is pin-connected at B and D as shown. The strutis fabricated from two steel [E = 200 GPa] bars, which are each d= 77 mm wide and b = 17 mm thick. Between B and D, the bars areseparated and connected by two spacer blocks, which are s= 30 mm thick. Assume that LAB = 0.75 m, LBc = 1.85 m, LcD = 1.60 m, P = 70kN, The strut cross section is also shown. Determine(a) the compression force in strut BD that is created by the loads acting on the rigid beam.(b) the slenderness ratios for the strut about its strong and weak axes.(c) the minimum factor of safety in the strut with respect to buckling.PAAnswers:(a) FBD =(b) (L/r) horz =LCD(L/r) vert =(c) FS=LABBspacerblocks150.43110.041i 498.471i 0.138LBC(1)kNDSpacer blockbSb

d = 77 mm b = 17 mm s = 30 mmE = 200 GPaP = 70 kn We have to find-(a) The compression force in strut…

gid beam ABC is supported by a pinned connection at Cand by an inclined strut that is pin-con abricated from two steel [E = 200 GPa] bars, which are each d= 77 mm wide and b = 17 mm th parated and connected by two spacer blocks, which are s = 30 mm thick. Assume that LAB = 0.7 , The strut cross section is also shown. Determine the compression force in strut BD that is created by the loads acting on the rigid beam. the slenderness ratios for the strut about its strong and weak axes. the minimum factor of safety in the strut with respect to buckling. P A swers: ) FBD = LAB LCD -) (L/r) horz= B spacer blocks- 150.43 110.041 LBC (1) KN C D Spacer block I b b d

gid beam ABC is supported by a pinned connection at Cand by an inclined strut that is pin-con abricated from two steel [E = 200 GPa] bars, which are each d= 77 mm wide and b = 17 mm th parated and connected by two spacer blocks, which are s = 30 mm thick. Assume that LAB = 0.7 , The strut cross section is also shown. Determine the compression force in strut BD that is created by the loads acting on the rigid beam. the slenderness ratios for the strut about its strong and weak axes. the minimum factor of safety in the strut with respect to buckling. P A swers: ) FBD = LAB LCD -) (L/r) horz= B spacer blocks- 150.43 110.041 LBC (1) KN C D Spacer block I b b d

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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