Structural Analysis, Si Edition (mindtap Course List)
6th Edition
ISBN: 9781337630948
Author: KASSIMALI, Aslam
Publisher: Cengage Learning
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Question
Chapter 12, Problem 6P
To determine
Find the approximate axial forces, shears, and moments for the all members of the frames using portal method.
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EXAMPLE 3.3
Determine the force in each member of the scissors truss shown in
Fig. 3-2la. State whether the members are in tension or compression.
The reactions at the supports are given.
700 N
800 N
SOLUTION
A, 566 N
60
60
The truss will be analyzed in the following sequence:
30°
30
Joint E, Fig. 3-21b. Note that simultaneous solution of equations
is avoided by the x, y axes orientation.
3m
3 m
E,-764 N
A,
502 N
(a)
2 Find the support reactions in the beam ABC shown in Fig. P.15.2 using the principle of
virtual work.
Ans. RA=(W+2wL)/4, Rc=(3W+2wL)/4.
Chapter 12 Solutions
Structural Analysis, Si Edition (mindtap Course List)
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