Author: M.H.W. Sien, L.M. See and K. Franklin (all Arup)
1 June 2017
First published: 1 June 2017
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M.H.W. Sien, L.M. See and K. Franklin (all Arup)
Due to its location in the centre of Marina Bay, Singapore’s new downtown area, there are many possible usage scenarios for the Helix in addition to its primary function of providing pedestrian access. These include:
a crowd gathering on one side of the bridge to view a firework display; and the bridge acting as a sports or events venue, e.g. for marathons or performances. The complexity of possible loading scenarios also extends to the accidental impact force from vessels in the bay. The Helix’s structurally efficient long-span form, coupled with its long cantilever viewing pods and the possible functioning scenarios, meant that the structure’s dynamics and vibration performance were a major design consideration to ensure user comfort.
This article provides a summary of CROSS newsletter No. 46 from Structural-Safety.
All the articles published in the June 2017 issue.
Ingrid Chauvet is crackling with energy and has ambitions for her eight-strong practice, RISE Structural Engineers, to grow to be as large as Arup. Jackie Whitelaw wouldn’t bet against her.