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In page Helix Bridge:
"Extensive numerical analysis was completed in order to explore possible solutions, using the engineer's in-house structural optimisation software. This enabled a method to be found of linking the two helices. It also ensured that the steel sections are used to their maximum capacity in supporting the pedestrian deck, shade canopies and light fixtures. Prior to specifying materials, or even finalising the designs, the bridge was fully modelled using three-dimensional software in order to visualise its form and geometrical compatibility, as well as to visualise the pedestrian experience on the bridge.
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