1.Elaborating the application techniques of D-shaped beams, this article aims at the re-construction of the K210 overpass bridge from gradecrossing to grade separation on the Binzhou Line--the construction of the Darhan Overpass Bridge in Taikang county, which offers reference for similar works.
2.In all the traffic accidents, bicycle related accidents and its casualties have taken a large proportion; especially at gradecrossing, traffic accidents often happen between bicycles and vehicles, which is seriously impaired traffic safety.
