A load P is supported by a structure consisting of rigid bar ABC, two identical solid bronze [E = 14400 ksi] rods, and a solid steel [E = 29700 ksi] rod, as shown. The bronze rods (1) each have a diameter of 0.77 in. and they are symmetrically positioned relative to the center rod (2) and the applied load P. Steel rod (2) has a diameter of 0.41 in. Assume L₁-36 in and L₂=60 in. If all bars are unstressed before the load P is applied, determine the normal stresses in bronze rods (1) and steel rod (2) after a load of P = 23 kips is applied. (1) Answers: 01 = i 0₂ = i L2 (2) B P ksi. ksi. L₁

A load P is supported by a structure consisting of rigid bar ABC, two identical solid bronze [E = 14400 ksi] rods, and a solid steel [E = 29700 ksi] rod, as shown. The bronze rods (1) each have a diameter of 0.77 in. and they are symmetrically positioned relative to the center rod (2) and the applied load P. Steel rod (2) has a diameter of 0.41 in. Assume L₁-36 in and L₂=60 in. If all bars are unstressed before the load P is applied, determine the normal stresses in bronze rods (1) and steel rod (2) after a load of P = 23 kips is applied. (1) Answers: 01 = i 0₂ = i L2 (2) B P ksi. ksi. L₁

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Concept explainers

Equilibrium and Support Reactions

Civil engineers deal with structures that are composed of several members connected or with individual members such as beams and columns. To analyze such structures, the condition of statics must be applied. Under the static condition, the members are considered to be in equilibrium under the action of forces, that is, the members are assumed to be having negligible velocity.

Question

A load P is supported by a structure consisting of rigid bar ABC, two identical solid bronze [E = 14400 ksi] rods, and a solid steel [E
= 29700 ksi] rod, as shown. The bronze rods (1) each have a diameter of 0.77 in. and they are symmetrically positioned relative to the
center rod (2) and the applied load P. Steel rod (2) has a diameter of 0.41 in. Assume L₁-36 in and L₂=60 in. If all bars are unstressed
before the load P is applied, determine the normal stresses in bronze rods (1) and steel rod (2) after a load of P = 23 kips is applied.
(1)
Answers:
01 =
i
0₂ = i
L2
(2)
B
P
(1)
ksi.
ksi.
L₁

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