Because of the lightweight nature of steel structure, the steel bridge of DU-108 is adopted to cross the No. 1 Provincial Highway for 90 m long span, and it performs well as the concrete bridges for all the functional requirements of HSR. Various aspects in analysis and design are carried out for the special bridges, such as dynamic analysis of rolling stock, track-structure interaction, fatigue stress check etc., besides the anti-seismic consideration and stringent functional requirements of the HSR.

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