
Mechanics of Materials (MindTap Course List)
9th Edition
ISBN: 9781337093347
Author: Barry J. Goodno, James M. Gere
Publisher: Cengage Learning
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Transcribed Image Text:Use the Force Method to analyse the frame shown in the Figure by introducing hinges and corresponding
redundant bending moments at points B and C. Plot the bending moment (M) and shear force (V) diagrams for
the loading shown.
12 kN/m
A
16 kN↓
B
C
4.5 m
4.5 m
6 m
El is constant all across the structure.
72 kN.m
D
D'℃
Assume the unit moments this
way to get consistent results
4.5 m
4.5 m
A) Find X1 (see the similar example(s) of the note if you do not know what X1, X2 are) - X1 is associated with the
unit moment at B.
B) Find X2. Note: X2 is associated with the unit moment at C.
C) Based on X1 and X2: Find RAX (Horizontal reaction at A)|
D) Based on Xland X2: Find RAY (Vertical reaction at A)
1
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