EX. To generate the influence
surface for the deck
On the
Bridge Deck ribbon tab, select the
Loading > Influence Surface Generator tool
in the
Loading group.
A temporary STAAD input file (filename_deck.std) is
sent to the STAAD analysis engine for processing. The
STAAD Analysis and Design dialog
opens to display the progress. When the analysis is complete, the dialog closes
automatically.
On the
Bridge Deck ribbon tab, select the
Loading > Influence Diagram tool in the
Loading group.
The
Diagrams dialog Influence
tab opens.
Select the
Diagram Type as
Node Displacement.
The
Parameter field updates to display
Node Displacement and the object field updates
to
Node.
Select the
Node Displacement as
Y (Global Y direction).
Select the
Node as
104 (approximately center of the deck,
mid-span of the longer span).
Click
OK.
The influence surface for the vertical
displacement at node 104 is drawn on the deck.
