The pin-connected structure consists of a rigid bar ABCD and two axial members. Bar (1) is bronze [E = 94 GPa] with a cross-sectional area of A₁ = 510 mm². Bar (2) is an aluminum alloy [E = 74 GPa] with a cross-sectional area of A2 = 380 mm². A concentrated load of P = 89 kN acts on the structure at D. Assume L₁=770 mm., L₂=620 mm., a=690 mm., b=350 mm., and c=1220 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. a b Answers: (a) o₁ = (b) VD= i i (1) L₁ 18.5616 L2 B C MPa, 0₂ = i mm. 0.903 MPa
The pin-connected structure consists of a rigid bar ABCD and two axial members. Bar (1) is bronze [E = 94 GPa] with a cross-sectional area of A₁ = 510 mm². Bar (2) is an aluminum alloy [E = 74 GPa] with a cross-sectional area of A2 = 380 mm². A concentrated load of P = 89 kN acts on the structure at D. Assume L₁=770 mm., L₂=620 mm., a=690 mm., b=350 mm., and c=1220 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. a b Answers: (a) o₁ = (b) VD= i i (1) L₁ 18.5616 L2 B C MPa, 0₂ = i mm. 0.903 MPa
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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The pin-connected structure consists of a rigid bar ABCD and two axial members. Bar (1) is bronze [E = 94 GPa] with a cross-sectional
area of A1 = 510 mm?. Bar (2) is an aluminum alloy [E = 74 GPa] with a cross-sectional area of A2 = 380 mm?. A concentrated load of P
= 89 kN acts on the structure at D. Assume L1=770 mm., L2=620 mm., a=690 mm., b=350 mm., and c=1220 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.
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