A load of P = 80 kN is supported by a structure consisting of rigid bar ABC, two identical solid bronze [E = 95 GPa] rods, and a solid steel [E = 238 GPa] rod, as shown. The bronze rods (1) each have a diameter of 20 mm and they are symmetrically positioned relative to the center rod (2) and the applied load P. Steel rod (2) has a diameter of 24 mm. All bars are unstressed before the load P is applied; however, there is a 0.9-mm clearance in the bolted connection at B. Assume L₁= 2.6 m and L₂ = 1.3 m. Determine: (a) the normal stresses in the bronze and steel rods (01, 0₂). (b) the downward deflection v of rigid bar ABC. (1) A L2 (2) B P (1) L₁1
A load of P = 80 kN is supported by a structure consisting of rigid bar ABC, two identical solid bronze [E = 95 GPa] rods, and a solid steel [E = 238 GPa] rod, as shown. The bronze rods (1) each have a diameter of 20 mm and they are symmetrically positioned relative to the center rod (2) and the applied load P. Steel rod (2) has a diameter of 24 mm. All bars are unstressed before the load P is applied; however, there is a 0.9-mm clearance in the bolted connection at B. Assume L₁= 2.6 m and L₂ = 1.3 m. Determine: (a) the normal stresses in the bronze and steel rods (01, 0₂). (b) the downward deflection v of rigid bar ABC. (1) A L2 (2) B P (1) L₁1
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Aload of P= 80 kN is supported by a structure consisting of rigid bar ABC, two identical solid bronze [E = 95 GPa] rods, and a solid steel
[E = 238 GPa] rod, as shown. The bronze rods (1) each have a diameter of 20 mm and they are symmetrically positioned relative to the
center rod (2) and the applied load P. Steel rod (2) has a diameter of 24 mm. All bars are unstressed before the load P is applied:
however, there is a 0.9-mm clearance in the bolted connection at B. Assume L1 = 2.6 m and L2= 1.3 m. Determine:
(a) the normal stresses in the bronze and steel rods (01,02).
(b) the downward deflection v of rigid bar ABC.
Transcribed Image Text:Answers:
(a) o₁ =
(b) v =
i
i
MPa, 0₂
mm.
=
i
MPa.
![A load of P = 80 kN is supported by a structure consisting of rigid bar ABC, two identical solid bronze [E = 95 GPa] rods, and a solid steel
[E = 238 GPa] rod, as shown. The bronze rods (1) each have a diameter of 20 mm and they are symmetrically positioned relative to the
center rod (2) and the applied load P. Steel rod (2) has a diameter of 24 mm. All bars are unstressed before the load P is applied;
however, there is a 0.9-mm clearance in the bolted connection at B. Assume L₁= 2.6 m and L₂=1.3 m. Determine:
(a) the normal stresses in the bronze and steel rods (01, 0₂).
(b) the downward deflection v of rigid bar ABC.
(1)
A
L2
(2)
B
P
(1)
L₁1](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F43cfdb60-e0ae-413e-8e1b-8e7e2ffb6b67%2Facd492d6-4dc2-4b6c-80e8-c088425d60a6%2Fmpz4rqg_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A load of P = 80 kN is supported by a structure consisting of rigid bar ABC, two identical solid bronze [E = 95 GPa] rods, and a solid steel
[E = 238 GPa] rod, as shown. The bronze rods (1) each have a diameter of 20 mm and they are symmetrically positioned relative to the
center rod (2) and the applied load P. Steel rod (2) has a diameter of 24 mm. All bars are unstressed before the load P is applied;
however, there is a 0.9-mm clearance in the bolted connection at B. Assume L₁= 2.6 m and L₂=1.3 m. Determine:
(a) the normal stresses in the bronze and steel rods (01, 0₂).
(b) the downward deflection v of rigid bar ABC.
(1)
A
L2
(2)
B
P
(1)
L₁1
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