Civil Engineering Reference
In-Depth Information
(a)
(b)
Figure 10.15
First two mode shapes of the case study pedestrian bridge. (a) First mode
shape (lateral). (b) Second mode shape (vertical).
X
= Free
Y
= 59.225 kip
Z
= −0.000 kip
M
X
= Free
M
Y
= Free
M
Z
= Free
X
= Free
Y
= 59.225 kip
Z
= −0.000 kip
M
X
= Free
M
Y
= Free
M
Z
= Free
X
= 0.000 kip
Y
= 59.225 kip
Z
= 0.000 kip
M
X
= Free
M
Y
= Free
M
Z
= Free
X
= 0.000 kip
Y
= 59.225 kip
Z
= 0.000 kip
M
X
= Free
M
Y
= Free
M
Z
= Free
Figure 10.16
Nodal reaction report of the case study pedestrian bridge.
against applied loads so as to essentially eliminate simple errors in
modeling.
A similar pony truss bridge of a 43.5-m (142′-8 1/2″) span with the full
strength developed at joints used to demonstrate the structure redundancy
is shown in Chapter 15.
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