High Speed Rail lines(Beijing- Tianjin)
Technical assistance for a 115km line(design speed 350km/h) : review and construction supervision (in partership). The line comprises 100km of bridges and viaducts, and 15km of embankments. The bridges are made of prestressed concrete and are erected by full span precast method(FSPM) for spans up to 33m ; cast in place for 40m spans, and built by balanced cantilever method for continuous struct..