igure 2 depicts a structural frame with pin connection at A and D. Find the bending train energy in member AB and CD, and the axial strain energy in member BC. Cross- ectional area A, elastic modulus E and second moment of area I are constants. 800 N B 4 m EI EI 2EI 5 m

igure 2 depicts a structural frame with pin connection at A and D. Find the bending train energy in member AB and CD, and the axial strain energy in member BC. Cross- ectional area A, elastic modulus E and second moment of area I are constants. 800 N B 4 m EI EI 2EI 5 m

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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Rigid bar ABCD is loaded and supported as shown. Steel [E = 28400 ksi] bars (1) and (2) are unstressed before the load P is applied. Bar (1) has a cross-sectional area of 0.75 in.2 and bar (2) has a cross-sectional area of 0.45 in.2. After load P is applied, the strain in bar (1) is found to be 850 μεμε. Assume L1=53 in., L2=79 in., a=34 in., b=33 in., and c=30 in. Determine:(a) the stresses in bars (1) and (2).(b) the vertical deflection vD of point D on the rigid bar.(c) the load P.
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