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2.29. A framework consists of three pinned hars AD, BD, and CD as shown in Fig. 2-46. The load F = 8 kN acts vertically at D. The cross-sectional areas of bars D①DC: CCACHE: ③ are each 200 V5 mm², the area of bar ②is 400 mm², L=3m, the elastic moduli are E₁ = 200 GPa, E₁ = 80 GPa, and E, 100 GPa. Determine the horizontal and vertical components of displacement of point D as well as the axial force in bar ②. Ans. -0.136 mm, -0.204 mm, 2.182 kN B Di L/2 F=8kN Fig. 2-46

2.29. A framework consists of three pinned hars AD, BD, and CD as shown in Fig. 2-46. The load F = 8 kN acts vertically at D. The cross-sectional areas of bars D①DC: CCACHE: ③ are each 200 V5 mm², the area of bar ②is 400 mm², L=3m, the elastic moduli are E₁ = 200 GPa, E₁ = 80 GPa, and E, 100 GPa. Determine the horizontal and vertical components of displacement of point D as well as the axial force in bar ②. Ans. -0.136 mm, -0.204 mm, 2.182 kN B Di L/2 F=8kN Fig. 2-46

Steel Design (Activate Learning with these NEW titles from Engineering!)
Steel Design (Activate Learning with these NEW titles from Engineering!)
6th Edition
ISBN:9781337094740
Author:Segui, William T.
Publisher:Segui, William T.
Chapter1: Introduction
Section: Chapter Questions
Problem 1.5.6P: The data in Table 1.5.3 were obtained from a tensile test of a metal specimen with a rectangular...
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2.29. A framework consists of three pinned hars AD, BD, and CD as shown in Fig. 2-46. The load F = 8 kN acts vertically at D. The cross-sectional areas of bars D①DC: CCACHE: ③ are each 200 V5 mm², the area of bar ②is 400 mm², L=3m, the elastic moduli are E₁ = 200 GPa, E₁ = 80 GPa, and E, 100 GPa. Determine the horizontal and vertical components of displacement of point D as well as the axial force in bar ②. Ans. -0.136 mm, -0.204 mm, 2.182 kN B Di L/2 F=8kN Fig. 2-46
Transcribed Image Text:2.29. A framework consists of three pinned hars AD, BD, and CD as shown in Fig. 2-46. The load F = 8 kN acts vertically at D. The cross-sectional areas of bars D①DC: CCACHE: ③ are each 200 V5 mm², the area of bar ②is 400 mm², L=3m, the elastic moduli are E₁ = 200 GPa, E₁ = 80 GPa, and E, 100 GPa. Determine the horizontal and vertical components of displacement of point D as well as the axial force in bar ②. Ans. -0.136 mm, -0.204 mm, 2.182 kN B Di L/2 F=8kN Fig. 2-46
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