Civil Engineering Reference
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125 kN
125 kN
125 kN
A
B
Case of loading 1
a
1.6
0.4 1.2
1.3
0.5
5 m
Y
A
= 217.5 kN
Y
B
= 157.5 kN
125 kN
125 kN
125 kN
A
B
Case of loading 2
1.6
1.6
0.9
0.9
5 m
Y
B
= 187.5 kN
Y
A
= 187.5 kN
q
vk
= 40 kN/m
A
B
Case of loading 3
5 m
Y
B
= 100.0 kN
Figure 4.5 Cases of loading for the maximum bending moment acting on a stringer.
Y
A
= 100.0 kN
Dynamic Factor
F
Assuming a track with standard maintenance, therefore,
L
F
¼
5+3
¼
8m
2
:
16
p
0
F
3
¼
2
+0
:
73
¼
1
:
552,
F
3
1
:
0 and
2
:
0
:
:
Bending Moment Due to Dead and Live Loads with Dynamic Effect
Added (M
D+L+F
)
M
D+L+
F
¼M
D
:
L
:
g
g
+
FM
L
:
L
:
g
q
¼
15
1
:
2+1
:
552
268
:
75
1
:
45
¼
622
:
8kNm
It should be noted that the load factors adopted in this study are that of
the ultimate limit state. This is attributed to the fact that the finite element
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