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z
e
4
28
1.5
4
13
z
Sole plate
36 cm
2.
5
2.5
2.5
2.5
5
60 cm
5
6
12 cm
12
6
Upper bearing plate
5
60 cm
5
5
R
R
=22.3 cm
5
2
3.5
4.5
3.5
3.5
(
+10)/2
a
3
= 54 cm
d
+10) (
d
(
d
+10)/2
80 cm
Rollers
d
= 17 cm
17 cm
2.5 2.5
2.5
2.5
16.5
27 cm
16.5
Lower bearing plate
80 cm
4
6
R
/2
R
/2
7.92 MPa
1 mm
110,880
183,051 N mm
183,051 N mm
Figure 4.209 Detailing of the twin roller fabricated steel bridge bearings.
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