25th February 2015
University of Warwick
University of Warwick
Stage 2 Project: Modelling and optimization
Written By: 1425823
Affiliation: Civil Engineering Year 1
(i)To Show the line diagrams of the 5 trusses showing member forces
Truss 1
D
E
-600KN
-150KN
0KN
-450KN
0KN
A
-450KN
H
F
-600KN
-450KN
-150KN
-450KN
C
-450KN
J
G
-450KN
K
0KN
B
0KN
G
H=L
Truss 2
C
0KN
D
H
NKN
+600K
J
N
+450KN
+450K
F
-450KN
+300K
qad
A
N
+450KN
0KN
E
-450KN
+600K
0KN
B
+450K
K
H=L
NKN
N
Truss 3
D
E
-600KN
H
+300KN
+450KN
0KN
+300KN
A
F
-600KN
+450KN
J
+450KN
K
H=1.25L
+450KN
B
Truss 4
D
-480KN
E
+360KN
H
+360KN
J
F
+300KN
0KN
+300KN
A
-480KN
+360KN
K
H=L
+360KN
KN
B
1425823
Truss 5
E
D
F
+450KN
H
+300KN
+240KN
+300KN
A
25th February 2015
University of Warwick
+450KN
+450KN
J
K
H=L
+450KN
H=1.25L
B
KN
(i)
Calculation for Truss 5
Since this is a symmetrical truss, only members on one half of the truss would be solved as members on the other half will have the same force
Moment at A, anticlockwise as