by Robert Dowell
Dowell, Robert (2004). Visualization of Seismic Bridge Motions. SMIP04
Seminar on Utilization of Strong-Motion Data, p. 103 - 112.
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This paper discusses a new computer program for visualizing the animated measured response of bridge structures subjected to earthquakes.
A graphical display allows the bridge to be viewed from any angle with any level of perspective and magnification to deformations. Panning
and zooming are also available. Bridge behavior is measured at various locations on the structure as part to the Strong Motion Instrumentation
Program. Between measured locations the bridge response is determined from spline functions consistent with structural behavior and boundary
conditions. Time-history plots are also available which allow any quantity to be plotted against any other quantity, providing a powerful tool
for visualizing data.