Time Lapse of Balanced Cantilever Bridge Construction

This is a time lapse of a bridge being constructed using the segmental balanced cantilever method. The segments are temporarily held in place using stress bars and then permanent post-tensioning cables are installed. The segments weigh between 42 and 54 tonnes (I put 50T max). They are lifted by a crane on the right and segment lifter on the left. We can erect around 8 segments a night (9pm to 4am).



http://www.youtube.com/watch?v=bJbd3rvRg7c&hl=en

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