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.
![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](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F43cfdb60-e0ae-413e-8e1b-8e7e2ffb6b67%2F51ec661a-cc81-4a1e-8dde-786cb7d744f4%2Futtbt9l_processed.jpeg&w=3840&q=75)
Transcribed Image Text: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
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