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Singapore Showcase

by T. Y. Lin, (Hon.M.ASCE), Chairman of the Board; Lin Tung-Yen China, Inc., San Francisco, CA,
Tan See Chee, P.E., Bridge Engineer; T.Y. Lin, Southeast Asia, Singapore,


Serial Information: Civil Engineering—ASCE, 1996, Vol. 66, Issue 11, Pg. 61-63


Document Type: Feature article

Abstract:

A new bridge in Singapore has a unique pylon design and no piers. The deck hangs from the pylon supported by three back stays. The 100 m overpass bridge was designed for the Singapore Air Force Training Institute with the idea of inspiring cadets about the possibilities of combining esthetics and technology. The inclined independent pylon acts as a rigid body with back stays and ground beams. The Institute was willing to pay 20% in extra costs for the bridge, possibly the first of its kind in the world. The bridge also features a curved girder (in plan) that ties into the contours of the hills at either end, and the first application in Asia of the wing-tip section with a curved and grooved soffit. The specially fabricated cables allow strands to be installed, detensioned and replaced individually. The foundation is based on piles and ground anchors. Modeling with STAAD-III and construction processes are described.

Subject Headings: Cables | Bridge design | Slopes | Pile foundations | Girder bridges | Curvature | Training | Singapore | Asia

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