04. The bars AB, AC, and AD are pinned together as shown in the figure. Horizontal movement of the pin at A is prevented by the rigid horizontal strut AE. Calculate the axial force in the strut caused by the 10-kip load. For each steel bar, A = 0.3 in.? and E = 29 x 106 psi. For the aluminum bar, A = 0.6 in.² andE = 10 x 106 psi. B C D Aluminum Steel Steel 40 20% 10 ft Rigid 10 kips

04. The bars AB, AC, and AD are pinned together as shown in the figure. Horizontal movement of the pin at A is prevented by the rigid horizontal strut AE. Calculate the axial force in the strut caused by the 10-kip load. For each steel bar, A = 0.3 in.? and E = 29 x 106 psi. For the aluminum bar, A = 0.6 in.² andE = 10 x 106 psi. B C D Aluminum Steel Steel 40 20% 10 ft Rigid 10 kips

Steel Design (Activate Learning with these NEW titles from Engineering!)

6th Edition

ISBN:9781337094740

Author:Segui, William T.

Publisher:Segui, William T.

Chapter10: Plate Girders

Section: Chapter Questions

Problem 10.7.9P

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Concept explainers

Bars

In civil engineering, bars refer to steel reinforcement bars or rebars. These are structural members primarily used for reinforcement purposes in masonry works. A bar is characterized by its cross-sectional area, which is negligible compared to its length. Bars are usually manufactured by steel which is uniform throughout the length, or by meshing multiple steel wires. Other materials of the bar include carbon steel, glass fiber, carbon fiber, and basalt fiber. The reinforcing bars are coated with epoxy resins and other materials to enhance some of their properties including corrosion resistance.

Question

04. The bars AB, AC, and AD are pinned
together as shown in the figure. Horizontal
movement of the pin at A is prevented
by the rigid horizontal strut AE. Calculate
the axial force in the strut caused by the
10-kip load. For each steel bar, A = 0.3 in.²
and E = 29 x 106 psi. For the aluminum bar,
A = 0.6 in.? and E = 10 x 106 psi.
B
C
D
Aluminum
Steel
Steel
40°20°
10 ft
Rigid
E
A
10 kips

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