Structural Theory
description
Transcript of Structural Theory
286
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A
E D
30� 30�
B
C
3 m 3 m
P2P1
5–7. Determine the force in each member of the truss andstate if the members are in tension or compression. Set
.P1 = P2 = 4 kN
290
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6 ft
AG
B
C
F
D
E
P1
P2
4 ft 4 ft 4 ft 4 ft5–11. Determine the force in each member of the trussand state if the members are in tension or compression. Set
, .P2 = 400 lbP1 = 600 lb
300
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•5–21. If the maximum force that any member can supportis 4 kN in tension and 3 kN in compression, determine themaximum force P that can be applied at joint B. Take
.d = 1 m
A
B
C
DF
E
P
d
d
d d/2 d/2 d
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5–27. Determine the force in members HI, FI, and EF ofthe truss, and state if the members are in tension orcompression.
AB C D FE
G
H
IJ
L
K
6 kN8 kN5 kN4 kN
3 m
2 m 2 m 2 m 2 m 2 m 2 m
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5–34. Determine the force in members IC and CG of thetruss and state if these members are in tension orcompression. Also, indicate all zero-force members.
1.5 m 1.5 m 1.5 m
AH
B C D
JI
G FE
1.5 m
2 m
2 m
6 kN 6 kN
5–35. Determine the force in members JE and GF of thetruss and state if these members are in tension orcompression. Also, indicate all zero-force members.
1.5 m 1.5 m 1.5 m
AH
B C D
JI
G FE
1.5 m
2 m
2 m
6 kN 6 kN
320
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5–43. Determine the force in each member of the trussand state if the members are in tension or compression. Set
, .P2 = 20 kNP1 = 40 kN
AG F
E
DCB
P2P1
1.5 m 1.5 m 1.5 m 1.5 m
2 m
321
5–43. Continued
© 2011 Pearson Education, Inc., Upper Saddle River, NJ. All rights reserved. This material is protected under all copyright laws as they currentlyexist. No portion of this material may be reproduced, in any form or by any means, without permission in writing from the publisher.