Rigid bar ABCD is loaded and supported as shown. Steel [E = 30600 ksi] bars (1) and (2) are unstressed before the load P is applied. Ba (1) has a cross-sectional area of 0.6 in.² and bar (2) has a cross-sectional area of 0.37 in.2. After load P is applied, the strain in bar (1) is found to be 760 μe. Assume L₁=65 in., L₂-89 in., a=28 in., b-21 in., and c-35 in. Determine: (a) the stresses in bars (1) and (2). (b) the vertical deflection vp of point D on the rigid bar. (c) the load P. Answers: (a) σ₁ = (b) VD = i (c) P= i LA a (1) B L2 b in. 2 ksi, 0₂ = kips. C D P ksi.

Rigid bar ABCD is loaded and supported as shown. Steel [E = 30600 ksi] bars (1) and (2) are unstressed before the load P is applied. Ba (1) has a cross-sectional area of 0.6 in.² and bar (2) has a cross-sectional area of 0.37 in.2. After load P is applied, the strain in bar (1) is found to be 760 μe. Assume L₁=65 in., L₂-89 in., a=28 in., b-21 in., and c-35 in. Determine: (a) the stresses in bars (1) and (2). (b) the vertical deflection vp of point D on the rigid bar. (c) the load P. Answers: (a) σ₁ = (b) VD = i (c) P= i LA a (1) B L2 b in. 2 ksi, 0₂ = kips. C D P ksi.

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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