Civil Engineering Reference
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Figure 18.18
Adjustment of match segment and formworks for casting segment.
(Courtesy of Ninive
TM
CASSEFORME, http://www.ninive.it/bridge-formwork/
segmental-box-girder-forms/.)
Alt
Long
Lat
O
Alt′
O′
Lat′
Figure 18.19
Segments assembled and global/local coordinate systems.
are established. Coordinate system Long′-Alt′-Lat′ is the casting coor-
dinate system or the local coordinate system. By transforming the global
coordinate system to casting coordinate system as shown in Figures 18.19
and 18.20, the relative locations of the match segment to the casting seg-
ment in both vertical and horizontal directions can be obtained. Therefore,
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