CVEN1300 Hand in Assignment_Solutions
Transcript of CVEN1300 Hand in Assignment_Solutions
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CVEN1300 Engineering Mechanics
Hand-in Tutorial Solutions
Question 1: (2009 Quiz) For the simply supported beam shown in Figure 1, 1) Calculate the reactions at B and E. 2) Draw the shear force and bending moment diagrams, clearly indicating the magnitude and sign of all actions at A, B, C, D and E.
4 m
A ED B
5 m 2 m
50 kN 25 kN/m 20 kN/m
5 m
C
Figure 1
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Question 2: (2009 Exam) The simply supported beam shown in Figure 2 carries a uniformly distributed load and two concentrated loads as shown.
1) Calculate the reactions at A and C and draw the shear force and bending moment diagrams, clearly indicating the magnitude and sign of all actions at A, B, C and D.
2) Determine the position and magnitude of the maximum positive moment.
4 m
A D C B
100 kN
12 m 3 m
30 kN 20 kN/m
Figure 2
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Question 3: (2010 Quiz) For the simply supported beam shown in Figure 3, 1) Calculate the reactions at A and D. 2) Draw the shear force and bending moment diagrams, clearly indicating the magnitude and sign of all actions at A, B, C and D.
A DB
5 m 2 m
10 kN 2 kN/m
3 m
C
Figure 3
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Question 4: (2010 Exam) The beam shown in Figure 4 carries a uniformly distributed load of 20 kN/m, plus two 150 kN concentrated loads as shown.
1) Calculate the reactions at B and E and neatly draw the shear force and bending moment diagrams, clearly indicating the magnitude and sign of all actions at A, B, C, D and E.
2) Calculate the position and magnitude of the maximum positive moment in the span BE.
4 m
A E D B
150 kN
6 m 3 m
20 kN/m 150 kN
5 m
C
Figure 4
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Question 5: (2009 Quiz) For the truss structure shown in Figure 5, 1) Find the reactions at A and E. 2) Determine the force in each member of the truss, and indicate whether the members are in tension or compression. Note: assume each member is pin-connected.
Figure 5
C
6 m
E
4 m
4 m
A
B D
40 kN
60 kN
60 kN
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Question 6: (2010 Quiz) The Howe bridge truss is subjected to the loading shown in Figure 6, 1) Find the reactions at A and E. 2) Determine the force in members HD, CD and GD, and state if the members are in tension or compression.
J I H G F
A B C D
E
4 @ 4 m = 16m
4 m
30 kN 20 kN 40 kN
20 kN
Figure 6
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Question 7: (2009 Exam) Determine the force in members CD, CJ, DJ, IJ, FG, FL and LG of the truss which serves to support the deck of a bridge. State if these members are in tension or compression.
A B C D E F G
H I J K L 6 @ 4.0m = 24.0m
3.0m
40 kN 80 kN 80 kN
60 kN
Figure 7
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4
213.3
33.3
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Question 8: (2010 Exam) For the pin-joined truss shown in Figure 8, 1) Find the reactions at A and J; 2) Determine the axial force in each of the 7 members connected at E, and state if these members are in tension or compression.
C
30 kN
B
A
D
E
G
H
I
J
5 m
5 m
5 m 5 m 5 m
20 kN
40 kN 40 kN 40 kN 40 kN
60 kN F
Figure 8
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Question 9: (2009 Exam) For the frame shown in Figure 9,
1) Find the reactions at A and E. 2) Draw the axial force, shear force and bending moment diagrams for the frame, showing the
magnitude of all peak values. Note: support A is fixed and there is a hinge at connection D.
4 m
A
E B
60 kN
7 m 5 m
30 kN/m
C F
2 m
D
20 kN/m
6 m
Figure 9
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Question 10: (2010 Exam) For the frame shown in Figure 10,
1) Find the reactions at A and F. 2) Draw the axial force, shear force and bending moment diagrams for the frame, showing the
magnitude of all peak values. Note: support A is a roller, support F is fixed, and there is an internal hinge at D.
5 m
A
EB
7 m
20 kN/m
C
4 m
D
6 m
F
120 kN 6 m
Figure 10
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