The pin-connected structure consists of a rigid bar ABCD and two axial members. Bar (1) is bronze [E = 101 GPa] with a cross-sectional area of A₁ = 580 mm². Bar (2) is an aluminum alloy [E = 75 GPa] with a cross-sectional area of A₂ = 350 mm². A concentrated load of P = 57 kN acts on the structure at D. Assume L₁-780 mm., L₂-390 mm., a-690 mm., b=360 mm., and c=1160 mm. Determine: (a) the normal stresses 0₁, 0₂ in both bars (1) and (2). (b) the downward deflection vp of point D on the rigid bar. b Answers: (a) o₁ = (b) VD= i (1) L₁ L2 (2) B MPa, 0₂ = i mm. D MPa

Structural Analysis
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Author:KASSIMALI, Aslam.
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Chapter2: Loads On Structures
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The pin-connected structure consists of a rigid bar ABCD and two axial members. Bar (1) is bronze [E = 101 GPa] with a cross-sectional
area of A₁ = 580 mm². Bar (2) is an aluminum alloy [E = 75 GPa] with a cross-sectional area of A₂ = 350 mm². A concentrated load of P
= 57 kN acts on the structure at D. Assume L₁-780 mm., L₂-390 mm., a-690 mm., b=360 mm., and c-1160 mm. Determine:
(a) the normal stresses 0₁, 0₂ in both bars (1) and (2).
(b) the downward deflection vp of point D on the rigid bar.
b
Answers:
(a) o₁ =
(b) VD=
i
(1)
L₁
L2
(2)
B
MPa, 0₂ = i
mm.
D
MPa
Transcribed Image Text:The pin-connected structure consists of a rigid bar ABCD and two axial members. Bar (1) is bronze [E = 101 GPa] with a cross-sectional area of A₁ = 580 mm². Bar (2) is an aluminum alloy [E = 75 GPa] with a cross-sectional area of A₂ = 350 mm². A concentrated load of P = 57 kN acts on the structure at D. Assume L₁-780 mm., L₂-390 mm., a-690 mm., b=360 mm., and c-1160 mm. Determine: (a) the normal stresses 0₁, 0₂ in both bars (1) and (2). (b) the downward deflection vp of point D on the rigid bar. b Answers: (a) o₁ = (b) VD= i (1) L₁ L2 (2) B MPa, 0₂ = i mm. D MPa
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