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SINGAPORE SCHEME

A special 'semitop down' construction method has been devised by Robert Benaim Associates for two stations on Singapore's new mass transit North East Line. The method uses 2m thick perforated slabs built with a series of large square holes left out to reduce weight during construction. Each slab will eventually be heavily reinforced so that the station can also serve as a civil defence shelter. During construction, slabs acts as 5m wide concrete struts between the 800m thick diaphragm ...

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