The pin-connected structure consists of a rigid bar ABCD and two axial members. Bar (1) is bronze [E = 113 GPa] with a cross-sectional area of A₁ = 600 mm². Bar (2) is an aluminum alloy [E = 77 GPa] with a cross-sectional area of A₂ = 300 mm². A concentrated load of P - 56 kN acts on the structure at D. Assume L₁-800 mm., L₂-580 mm., a-570 mm., b-340 mm., and c=1090 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) σ₁ = (b) VD-i i (1) L₁ L2 2 B C С MPa, 0₂ = mm. i D P MPa
The pin-connected structure consists of a rigid bar ABCD and two axial members. Bar (1) is bronze [E = 113 GPa] with a cross-sectional area of A₁ = 600 mm². Bar (2) is an aluminum alloy [E = 77 GPa] with a cross-sectional area of A₂ = 300 mm². A concentrated load of P - 56 kN acts on the structure at D. Assume L₁-800 mm., L₂-580 mm., a-570 mm., b-340 mm., and c=1090 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) σ₁ = (b) VD-i i (1) L₁ L2 2 B C С MPa, 0₂ = mm. i D P MPa
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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