A steel bar AD has a cross-sectional area of 260 mm² and is loaded by forces P, = 12 kN, P, = 8 kN, and P3 = 6 kN. The lengths of the segments of the bar are a = 1.5 m, b = 0.6 m, and c = 0.9 m. (b) By what amount P should the load P, be increased so that end D of the bar does not move when the loads are applied? %3D %3D %3D P1 P2 P3 A В a Figure 86

A steel bar AD has a cross-sectional area of 260 mm² and is loaded by forces P, = 12 kN, P, = 8 kN, and P3 = 6 kN. The lengths of the segments of the bar are a = 1.5 m, b = 0.6 m, and c = 0.9 m. (b) By what amount P should the load P, be increased so that end D of the bar does not move when the loads are applied? %3D %3D %3D P1 P2 P3 A В a Figure 86

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

Material Selection

A wide variety of engineering applications make use of different materials, depending upon their usage. The materials used in civil engineering vary in their properties such as strength, ductility, brittleness, and creep strength. Depending upon the application and external loading conditions, an engineer must make a wise decision for material selection. A wrong decision would fail in its functionality.

Question

Fundamental Deformable Bodies

A steel bar AD has a cross-sectional area of 260 mm² and is loaded
by forces P, = 12 kN, P, = 8 kN, and P3 = 6 kN. The lengths of the
segments of the bar are a = 1.5 m, b = 0.6 m, and c = 0.9 m.
(b) By what amount P should the load P, be increased so that end
D of the bar does not move when the loads are applied?
%3D
%3D
%3D
P1
P2
P3
A
B
a
Figure 86

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