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
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Question
![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 strut
is 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 are
separated 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 = 70
kN, 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.
P
A
Answers:
(a) FBD =
(b) (L/r) horz =
LCD
(L/r) vert =
(c) FS=
LAB
B
spacer
blocks
150.43
110.041
i 498.471
i 0.138
LBC
(1)
kN
D
Spacer block
b
S
b](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F38df3775-9368-4eaf-8777-c2f2921b7cc8%2Fefcad602-fe53-435c-b0f3-f20a0c405aa5%2F59919cg_processed.png&w=3840&q=75)
Transcribed Image Text: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 strut
is 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 are
separated 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 = 70
kN, 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.
P
A
Answers:
(a) FBD =
(b) (L/r) horz =
LCD
(L/r) vert =
(c) FS=
LAB
B
spacer
blocks
150.43
110.041
i 498.471
i 0.138
LBC
(1)
kN
D
Spacer block
b
S
b
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